Founding Fullstack Software Engineer Frontend Focus At Pear Vc New York City jobs in New York City – Browse 4,580 openings on RoboApply Jobs

Founding Fullstack Software Engineer Frontend Focus At Pear Vc New York City jobs in New York City

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Full-time|On-site|New York City

Join Our Team in New York CityAt Spur, we are pioneering groundbreaking technology for the future of Quality Assurance: autonomous browser agents that simulate real-user behavior by thinking, exploring, validating, and self-healing. We are not just another testing tool; we are redefining how digital teams can deliver with assurance.Our innovative approach has resonated powerfully in the market. Renowned brands such as Alo Yoga, Living Spaces, HelloFresh, Nextdoor, Abercrombie & Fitch, and many more are actively engaging with us. Demand is soaring, sales cycles are accelerating, and our product truly delivers—teams can go live in mere days, not months.We are a tight-knit, elite group of innovators from DeepMind, Figma, and former founders, moving at a pace that larger companies simply cannot match.Our Mission: We strive to empower our clients to provide exceptional digital experiences.Explore Our Manifesto: https://www.spurtest.com/founders-letterYour ResponsibilitiesLead the development of end-to-end features—design, code, test, deploy, and manage them in production. You will take ownership of product components throughout their lifecycle.Engage directly with users to transform their feedback into actionable improvements swiftly, influencing product direction.Develop and maintain robust performance in both frontend and backend systems.Launch innovative features, interact with customers for feedback, and iterate at a rapid pace.Collaborate closely with product, engineering, design teams, and company founders for swift iterations.Bonus QualificationsPrevious experience as a founder or founding engineer.Experience in building Large Language Model (LLM) products.A passion for developer tools and attention to detail that enhances both developer and customer experiences.You Will Excel Here If YouHave an unwavering focus on customer satisfaction. We are dedicated to creating delightful experiences for our users—how can we make each feature as enchanting as possible?Possess a curious mindset. You will encounter novel technologies and challenges daily as we grow—comfort with learning new frameworks quickly and sharing that knowledge with the team is essential.Demonstrate strong technical skills and a collaborative spirit.

Jan 21, 2026
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company
Full-time|On-site|New York City

At Atrix, we believe that breakthrough medicines begin with extensive research, vast amounts of data, and critical decisions made by leading medical teams within the foremost biopharma laboratories. These pivotal decisions dictate which treatments become available, how they are promoted to healthcare providers, and ultimately, when patients gain access to life-saving therapies.We stand at a transformative juncture. The rise of AI-driven drug discovery, precision medicine, and a surge of real-world evidence have broadened the horizons of what is achievable. Yet, the teams dedicated to translating scientific advancements into patient access are overwhelmed by unmanageable data.Our tools must evolve to meet the urgency of the moment. Atrix is pioneering AI solutions tailored for life sciences, ensuring the precision and rigor that biopharma demands.Currently collaborating with top-tier pharmaceutical companies, we are rapidly scaling our efforts, all with the singular goal of ensuring that the right treatments reach the right patients sooner.Role OverviewAs a founding member of our engineering team, you will play a crucial role in developing the Atrix AI-native platform. You will design and implement features that simplify intricate healthcare and AI workflows, crafting intuitive and user-friendly interfaces trusted by scientific, medical, and commercial teams across leading pharmaceutical organizations.From creating thoughtful front-end user experiences to building resilient backend systems, you will connect our AI core with tangible customer challenges, addressing issues that significantly enhance patient care.We are in the process of constructing a modular, intelligent platform that integrates with customer-approved data sources, transforms chaotic and unstructured data through cutting-edge AI, and delivers structured, actionable insights that facilitate decision-making in regulated environments.Your contributions will be actively utilized by medical, clinical, and commercial teams making critical decisions every day.You will encounter complex engineering challenges in the following areas:Performance — Handling extensive datasets simultaneously.Security & Privacy — Managing sensitive customer data with utmost trust.Explainability — Ensuring AI outputs are verifiable and traceable.Composable UI/UX — Designing adaptable interfaces for diverse applications, from chat interfaces to dashboards and spreadsheets.Join us in revolutionizing patient access and driving meaningful change in healthcare.

Jul 14, 2025
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company
Full-time|On-site|New York City

Join Our Visionary TeamWe are revolutionizing the AI landscape for America’s 33 million small and medium-sized businesses (SMBs). Our growth trajectory is remarkable—10x in the past year and 20% month-over-month. After recently securing $3 million in seed funding from Pear, we proudly serve over 300 businesses today, with a target of exceeding 1000 by year-end. We have uncovered an untapped opportunity to lead the SMB market while others focus solely on enterprise solutions.Our Ambitious GoalConventional wisdom suggests that SMBs are challenging due to low contract values and high churn rates. However, we see significant growth potential where others see obstacles. Representing half of the U.S. GDP, SMBs require AI solutions just as much as enterprises do, and we are making this vision a reality.Our initial success demonstrates our model's effectiveness, and we are on the lookout for a dynamic product leader to help us scale. Starting with AI receptionists, we have quickly evolved into a more robust platform—the SMB Customer Revenue Engine, equipped with AI agents managing all customer interactions, an intelligent layer that learns from each interaction, and outbound AI strategies that drive genuine revenue growth. Our bold vision is to become the ultimate SMB super app—a comprehensive, intelligent platform that oversees everything from customer acquisition to retention.Your RoleAs our first full-stack founding engineer, you will play a pivotal role in shaping the evolution of our product. This position is far from ordinary; while coding is part of your job, your responsibilities will also include:Engaging with customers to gather feedbackParticipating in major dealsFacilitating growth experimentsDirectly influencing the product roadmapYou will take ownership of features from prototype to production scaling, collaborating closely with our founder (ex-Meta) and PM (ex-Microsoft) to influence the company's direction.Within your first 90 days, you will:Launch revenue-generating features utilized by hundreds of SMBsParticipate in sales and support calls, transforming customer feedback into rapid product iterationsWork across the technology stack (TypeScript, React, FastAPI, Postgres, Twilio, LiveKit)Refine critical AI logic that impacts call qualityDevelop internal tools that accelerate go-to-market effortsIn the subsequent six months, you will:Manage significant product areas (e.g., lead capture workflows, analytics, integrations)Drive the adoption of your features across 1000+ businessesCollaborate across teams to enable seamless product launches

May 13, 2025
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company
Full-time|On-site|New York City

Founding Engineer - ScendWho We AreAt Scend, we are dedicated to revolutionizing the M&A landscape and enhancing efficiency within private markets. Backed by leading investors such as Pear VC, we have a strong team and early customers, positioning us for significant growth.Join our lean, high-impact team that thrives on creating stunning, functional products. Our diverse backgrounds span M&A, private equity, consumer fintech, and the vibrant Python open-source community, uniting us in our passion for excellence.Our Values (DEAL)Deliver: Every team member contributes by shipping code, designing features, or engaging directly with customers to transform ideas into tangible products.Empower: We believe in taking initiative beyond job titles. If you spot a challenge or an opportunity, you are encouraged to act.Align: Collaboration is key; we tackle challenges together with openness and humility.Learn: Our culture thrives on exploring new ideas, tools, and methodologies.The RoleAs a founding engineer, you'll collaborate closely with our founders to shape the product and architecture from inception. Your involvement as an early team member will greatly influence system design and our engineering culture. While prior experience is not mandatory, familiarity or interest in LLMs and Machine Learning will be highly valued.ResponsibilitiesDesign & Build: Create scalable, high-performance APIs to deliver financial data and develop them into product features.AI-Powered Systems: Utilize LLMs to generate datasets and research reports, applying evaluations and fine-tuning for accuracy.Data Processing: Handle large datasets using Airflow, Pandas, and Spark.Web Crawling: Build robust systems for crawling websites and documents from the internet.Infrastructure: Oversee infrastructure management with Terraform, Docker, AWS ECS, and monitoring solutions such as Sentry and CloudWatch.RequirementsA minimum of 2 years in developing scalable software systems.Proficient in Python and SQL.Preferred: Comfortable with data processing frameworks like Airflow, Pandas, and Spark.Preferred: Familiarity with infrastructure automation tools such as Terraform.

Mar 12, 2025
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company
Full-time|On-site|New York City

We appreciate your interest in joining Paxos through our General Application process!Although we currently do not have a position that matches your skills and interests, we would like to keep your details on file for future openings. By completing the form below, you will be added to our candidate pool, and we will contact you when a suitable role becomes available.In the meantime, we encourage you to regularly check our job board for new opportunities.

Mar 27, 2026
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company
Full-time|$100K/yr - $100K/yr|On-site|New York City

Frontend Engineer - TeachShareAbout TeachShareAt TeachShare, we are at the forefront of transforming K-12 education with innovative AI-driven tools that empower teachers to efficiently create customized curriculum materials. As a rapidly expanding EdTech startup, we proudly support over 400,000 educators and are backed by esteemed investors in the education sector. Our platform enables teachers to design standards-aligned instructional resources in mere minutes, significantly reducing their preparation time.We operate as a tight-knit, high-impact team of just four full-time employees based in New York City, delivering features that reach thousands of educators daily.The RoleWe are seeking a detail-oriented frontend engineer to turn Figma designs into flawless, responsive user interfaces. Collaborating closely with our designer—a former CIA analyst and Harvard graduate—you will rapidly iterate on growth experiments to enhance teacher engagement and retention.This is not your conventional frontend position; you will take ownership of the entire frontend experience for a platform boasting over 60% week-4 retention and be instrumental in conducting A/B tests that influence key performance metrics.What You'll DoDesign Implementation: Transform Figma designs into production-ready code, paying meticulous attention to detail (e.g., 10px vs. 15px can make a difference)Growth Experiments: Launch A/B tests using PostHog, implement feature flags, and iterate based on analytical insightsRapid Iteration: Collaborate in short cycles with our designer – designing in the morning, shipping by the end of the dayComponent Development: Develop and maintain our design system utilizing Solid.js and Tailwind CSSPerformance Optimization: Ensure fast and responsive experiences across various devices, including older Chromebooks utilized by many teachersTech StackFrontend: Solid.js (an alternative to React), Tailwind CSS, TypeScriptState Management: Zustand (preferred), React Query for data fetchingTools: PostHog (for analytics and A/B testing), Figma, PNPM monorepoInfrastructure: Vercel, NEON DB with branchingWhat We're Looking ForMust-HavesSolid foundation in frontend technologies (HTML, CSS, JavaScript/TypeScript)Familiarity with React or comparable frameworks (we use Solid.js, which is straightforward to learn)A keen eye for design details and spatial relationships

Nov 12, 2025
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companyCrosby logo
Full-time|$170K/yr - $225K/yr|On-site|New York City

Join the Future of Legal Services with Crosby!At Crosby, we are revolutionizing the legal landscape. Our innovative team of technologists and legal experts is dedicated to transforming corporate legal services through cutting-edge technology and collaborative workflows. Our goal is to streamline the review of complex documents, enhancing speed and quality in the legal profession.Founded by Ryan (Penn, Stanford Law, former Cooley attorney, and GC) and John (Penn M&T, ex-Ramp, and ex-Google), Crosby is built on the belief that:A robust legal system is fundamental to a prosperous society.Legal practice merges art and science; we aim to define this balance by systematizing the process while enhancing human judgment where it matters.True AI application in law is about delivering outcomes, focusing on quality legal work executed efficiently.We thrive on an in-person culture at our NYC headquarters.The Opportunity:As our Founding Frontend Engineer, you will spearhead the user experience for the Crosby platform. Your mission will be to craft visually appealing, user-friendly, and highly functional interfaces that enable our legal team to operate with unmatched efficiency. Collaborating closely with our founders, product team, and legal professionals, you'll transform intricate workflows into seamless user experiences. This is an unprecedented opportunity to build our frontend architecture from the ground up, create our design system, and set the benchmark for quality and performance.Your Responsibilities:Frontend Architecture: Develop the core frontend of the Crosby platform utilizing modern frameworks such as React, Vite, and TanStack.User Experience Design: Design and implement high-performance user interfaces tailored for complex, data-rich legal workflows.Rapid Prototyping: Collaborate with product and our in-house legal team to swiftly prototype and refine user-facing features.Codebase Foundation: Establish a sustainable frontend codebase, which includes a comprehensive component library and design system.Collaborative Development: Coordinate with backend engineers to design and implement APIs that ensure a cohesive user experience.Team Growth: Contribute to building and mentoring our engineering team.

Jan 7, 2026
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companyEverstar logo
Full-time|On-site|New York City

Join Us as a Founding Fullstack Engineer!Location: New York City (5 days on-site) · Competitive salary + equity + benefits.Overview: Help create the essential product for nuclear operators. Take complete ownership of features. This is a high-impact role at the forefront of innovation.Our MissionAt Everstar, we are revolutionizing the nuclear power industry by creating an intelligence layer that makes nuclear energy truly deployable—reducing regulatory workflows from months to mere days. Our platform, Gordian, is already utilized by utilities, advanced reactor companies, and hyperscalers, combining deep nuclear expertise with world-class product execution at a startup pace.We are seeking a Founding Fullstack Engineer who can transform complex engineering and regulatory workflows into seamless, production-ready software.Join the Apollo Team of Nuclear and collaborate with engineers from leading companies like Tesla, SpaceX, and Google, while learning from nuclear and national security experts with backgrounds at the Nuclear Regulatory Commission and CIA.Your RoleThis is an ownership-driven role with a focus on product development, not just a contract or feature factory.You will design and implement product features from start to finish—covering everything from database architecture to API contracts to meticulous UI design, with a ratio of 60% frontend and 40% backend work. You'll have the autonomy to make technical decisions and the responsibility to drive results.Your responsibilities will include:Creating user-centric features: transform complex regulatory workflows into elegant, user-friendly UI/UX that nuclear professionals will appreciate.Owning the technology stack: develop APIs, optimize database queries, implement front-end interactions, and troubleshoot production issues as needed.Defining product standards: you will have the opportunity to shape our approach to code quality, design systems, testing, and the overall product development life cycle.Collaborating with experts: engage with nuclear subject matter experts and AI engineers to understand intricate requirements and deliver effective solutions.Balancing speed and craftsmanship: continuously iterate on designs and features based on user feedback and evolving needs.

Dec 26, 2025
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company
Full-time|On-site|New York City

Founding Backend Engineer – PhaselawLocation: New York City or Raleigh/Durham AreaType: Full-timeSalary: Competitive, with equity optionsAbout PhaselawPhaselaw is revolutionizing the traditional eDiscovery sector, providing in-house legal teams with innovative document production tools that eliminate the cumbersome, service-heavy processes of the past. Currently in our seed stage, we are already partnering with Fortune 500 companies and experiencing rapid growth.The RoleWe are in search of a talented Backend Engineer to join our founding team and contribute to the development and scaling of our core product. Collaborating closely with our Founders and Engineering team, you will deliver features and enhance performance across various backend systems, including databases, data ingestion, and AI systems. This is a high-ownership, high-impact position where you will play a vital role in shaping Phaselaw’s technological future.What You’ll DoFirst WeekComplete onboarding, set up your development environment, and familiarize yourself with our systems.Deploy a minor update or bug fix to acclimate to the codebase.Utilize the product to gain insights into its functionality and pinpoint areas for enhancement.First MonthDeliver two major features.By 90 DaysRelease feature updates daily/weekly, focusing on quality.Work closely with the team and clients to influence the product's evolution.What We’re Looking ForA minimum of 3 years of backend development experience, preferably in startup environments or agile teams.Proficient in Python for backend development.Extensive database expertise, particularly with Postgres and/or Elasticsearch.Familiarity with contemporary infrastructure management tools, including Terraform, Kubernetes, and CI/CD.A strong inclination for action: You deliver quickly and iterate based on feedback.A keen product sense: You understand user needs and build accordingly.

Oct 9, 2025
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company
Full-time|On-site|New York City

At Atrix, we are at the forefront of revolutionizing the biopharma landscape with our innovative AI-driven solutions. As a Founding Backend Engineer, you will play a pivotal role in shaping our backend infrastructure, enabling AI-native workflows that efficiently convert unstructured data into actionable insights.You will design and implement scalable data pipelines, robust APIs, and real-time inference systems that support complex workflows and enhance customer-facing experiences. Your contributions will be critical to the operational success and scalability of our platform.Join us in building a modular, agentic platform that integrates with approved data sources, transforms data using LLM-based agents, and delivers decision-ready intelligence to our regulated teams. You will face exciting backend engineering challenges such as: System Design & Reliability: Ensure fast response times while handling vast amounts of records. LLM Ops: Make AI outputs transparent, auditable, and efficient. Multi-Tenant Infrastructure: Securely isolate customer data across parallelized pipelines. AI Performance Tuning: Optimize AI operations for maximum efficiency.

Jul 14, 2025
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company
Full-time|On-site|New York City

Breakthrough medicines begin with extensive research, vast amounts of data, and numerous decisions made by medical teams in top biopharma laboratories. These decisions dictate which treatments reach the market, how healthcare professionals are informed, and ultimately, which patients receive life-saving care and when.We are at a pivotal moment in healthcare innovation. With the rise of AI-driven drug discovery, precision medicine, and a surge in real-world evidence, the potential for change is unprecedented. However, the teams tasked with converting scientific breakthroughs into accessible patient care are overwhelmed by unusable data.At Atrix, we create specialized AI solutions tailored for the life sciences sector, ensuring the precision and rigor that biopharma demands.We are currently collaborating with leading pharmaceutical companies, experiencing rapid growth, and are laser-focused on one goal: expediting the delivery of the right treatments to the right patients.The RoleAs the Founding Account Executive, you will spearhead Atrix's go-to-market strategy, driving new customer acquisition and fostering growth within key accounts.Your responsibilities will include establishing repeatable sales processes, collaborating with cross-functional teams, and acting as the customer advocate in shaping Atrix's product offerings and strategic direction. You will engage directly with biotech, pharmaceutical, and medical technology organizations, helping them navigate regulatory hurdles, market access issues, and evidence generation challenges using Atrix’s innovative platform.This role is integral to Atrix's mission to accelerate the safe, evidence-based adoption of groundbreaking medicines and technologies. Each customer relationship you cultivate will directly empower scientists, medical affairs teams, and market access leaders in their efforts to deliver life-saving solutions faster.Key ResponsibilitiesRevenue GenerationManage the complete sales cycle—from prospecting and discovery to negotiation, closing, and account expansion.Generate early net-new revenue while establishing a framework for sustainable growth.Customer ExpansionForge deep executive relationships within key accounts in the life sciences sector.Identify and capitalize on expansion opportunities across various geographies, business units, and use cases.Sales Playbook DevelopmentEstablish a comprehensive sales playbook, documenting effective strategies and processes.

Oct 22, 2025
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company
Full-time|On-site|New York City

The advertising landscape is evolving, and at Polynomic, we’re leading the charge in transforming performance marketing from its roots. We envision a future where innovative ad formats remain the cornerstone of online business, driving growth in commerce. However, the current performance marketing strategies are bogged down by outdated methodologies and excessive manual labor. We’re committed to changing that narrative. Our goal is to empower brands to abandon the hit-or-miss approach of traditional marketing and leverage the power of AI to create more efficient and profitable advertising solutions.We’re developing autonomous, intelligent systems that allow brands to seamlessly connect and discover the most lucrative avenues for revenue growth through advertising, reducing the need for costly agencies and minimizing the time spent on campaign optimization.Founded by Madhav (former Google Ads, Citadel, HBS, Harvard) and Nathan (former Google Research, HBS, Stanford CS), Polynomic is a well-funded seed-stage startup supported by leading venture capitalists and angel investors. We’re already collaborating with multiple high-growth consumer brands as our clients.Role Overview:As a Founding Engineer, you will take the reins in defining and constructing the foundational technology stack that powers Polynomic. You will engage with cutting-edge AI challenges, develop data infrastructures, and orchestrate agents to create autonomous systems that will redefine the future of performance marketing.Preferred Qualifications:You possess exceptional talent demonstrated through successfully shipped products, impactful research contributions, open-source projects, startup experiences, or other technically rigorous endeavors.You are passionate about owning and successfully delivering ambitious and complex projects that tackle challenging technical problems (e.g., reinforcement learning, bandits, reasoning, agent reliability, and ad creative generation workflows).You are genuinely interested in the dynamics of running efficient digital advertisements and understand their significant influence on global commerce.This is an in-person role located in New York City.

Jan 12, 2026
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company
Full-time|On-site|New York City

Join the Pom Health TeamPom Health is revolutionizing the healthcare landscape with a focus on the joys of food. Our mission is to empower clinicians to integrate nutrition and lifestyle guidance into standard care practices.In the United States, 130 million people face chronic diseases linked to their dietary choices. Heart disease, diabetes, and obesity account for a staggering 85% of our $4 trillion healthcare expenditure. Despite this, there is no systematic approach for doctors to prescribe nutrition—a critical intervention.At Pom, we are changing this narrative. We collaborate directly with healthcare professionals to provide personalized, culturally-sensitive nutrition care through our skilled dietitians and AI-driven coaching, seamlessly woven into existing clinical workflows. We believe food should be a central component of a patient's care plan.Our passionate, multidisciplinary team—comprising clinicians, technologists, and operators—consists of 15 dedicated individuals. We are proud to have secured over $5.3 million in funding from esteemed investors such as NextView Ventures, Female Founders Fund, Flare Capital, and Pear Ventures, alongside the co-founder of Instacart. With our initial practice customers onboard, we have already positively impacted hundreds of patients.If you share our vision and wish to make a significant difference for countless individuals through your technological contributions, we would be thrilled to connect!Role OverviewAs a Founding Engineer, you will play a pivotal role in shaping Pom's foundational development. This position transcends traditional engineering tasks—you will have genuine ownership in building our product, platform, and team culture.In collaboration with the founders and our early team, your responsibilities will include:Developing our core product: You will create the infrastructure that merges high-touch nutrition therapy with AI coaching and engaging food content, guiding patients through impactful, incremental changes.Ensuring seamless integration: Your work will facilitate access to Pom's services at the point of care in clinical settings.Preparing for scalable growth: You will make foundational technical decisions that enable us to experiment and scale effectively.Cultivating our engineering culture: Together, we will establish a high-caliber technology organization.

Jul 2, 2025
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companyDiligenceSquared logo
Full-time|On-site|New York City

Join us as a Founding Software Engineer with extensive full-stack development expertise to shape the future of our innovative AI platform tailored for market due diligence. You will take full ownership of developing features from the ground up—spanning AI-driven backend systems to sleek frontend interfaces utilized by investment professionals in Private Equity, Hedge Funds, Private Credit, and Corporate M&A to guide billion-dollar decisions.About DiligenceSquaredDiligenceSquared revolutionizes commercial due diligence for Private Equity funds. Backed by Y Combinator, we recently secured a substantial Seed round, and our clientele includes some of the largest PE funds globally.The market is valued at over $10 billion annually, with PE funds investing $500,000 to $1 million per report with firms like McKinsey, BCG, and Bain. Our AI solutions provide these services faster, more cost-effectively, and with superior accuracy compared to traditional methods.Our founders have firsthand experience in this domain, having traded these reports while holding senior positions at Blackstone and BCG. We possess profound insights into the workflows and are now focused on automating these processes.Your Responsibilities:Develop new product features and user experiences end-to-end, from database schemas to API endpoints, and integrate them with UI components for our web application and AI Voice Agent.Design and build AI-powered modules from scratch (e.g., market sizing, competitive analysis) that will be integral to our research platform.Establish and manage product foundations across the stack, including AI agent orchestration, voice AI pipelines, interactive data visualizations, application and API performance, and intelligent automations.Incorporate lessons learned from every project into the product development, ensuring continuous incremental improvements (the Law of Compounding is critical, especially for a company founded by investment experts).Qualifications:Minimum of 3 years of professional full-stack development experience.Strong command of React/TypeScript and Python.Experience in developing intelligent systems using LLM platforms (e.g., Anthropic, OpenAI).Extensive hands-on experience with LLMs in production, focusing on building reliable intelligent systems.Proficient with PostgreSQL and SQL database architecture.Familiarity with modern frontend architecture, state management, and API design.

Dec 10, 2025
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companyMosaic logo
Full-time|On-site|New York City

About MosaicMosaic is an innovative, AI-driven deal modeling platform tailored for private markets, utilized by top-tier investors and advisors such as Warburg Pincus, CVC, New Mountain, and Evercore. Our platform automates and standardizes essential deal analyses—including LBOs and DCFs—enabling investment teams to accelerate their processes, minimize spreadsheet errors, and focus on strategic investment decisions.At Mosaic, we merge deterministic, rules-based calculations with advanced AI capabilities to produce replicable, audit-ready outputs, trusted by private equity, private credit, and investment banking teams across multi-million dollar transactions.We are dedicated to creating the AI-driven operating system for the world’s most sophisticated investors and their advisors. As we rapidly expand, we are seeking talented professionals across engineering, product, customer enablement, and go-to-market teams.This is an exceptional opportunity for those eager to influence the convergence of high finance and technology, shaping the future of the industry for years to come.Learn more about our journey:BloombergFinancial TimesNY PostAbout the RoleAs a Fullstack Engineer at Mosaic, you will create product experiences essential for investors and bankers engaged in high-stakes deal processes. Your responsibilities will span the entire technology stack—from developing sleek, user-friendly interfaces to building robust backend services that facilitate modeling, data ingestion, collaboration, and workflow automation.This position is designed for builders who crave real ownership. You will contribute to feature development from inception to deployment, closely collaborating with product and design teams, while helping to lay the technical groundwork for a platform relied upon in mission-critical situations. You will face challenging tasks such as structured financial computations, document ingestion, compliance, permissions management, real-time collaboration, and performance optimization at scale.

Jan 20, 2026
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companyMeridian logo
Full-time|On-site|New York City

About MeridianAt Meridian, we are pioneering the development of the first multi-agent platform designed to empower enterprise brands in marketing and selling to AI technologies.With the shift from traditional search engines to cutting-edge AI platforms such as ChatGPT, Gemini, and Claude, businesses must adapt to ensure their visibility and representation within these systems. We are creating the solution that enables this transition. Already utilized by hundreds of clients, our core concept is validated, and this is your chance to significantly influence our journey as we grow.The RoleAs a Founding Engineer, you will collaborate closely with the founders to build the fundamental systems that enhance Meridian's operations. You will tackle complex, high-stakes challenges and transform them into reliable software solutions that function autonomously in production environments.This position is ideal for engineers who seek extreme ownership, rapid execution, and the chance to shape a company from the ground up.Your ResponsibilitiesEnd-to-End Ownership: Tackle loosely defined business challenges and drive them from conception through system design, implementation, and iteration; you are accountable not only for coding but also for defining the necessary features and ensuring their real-world efficacy.Agent Design and Development: Develop internal tools and systems that facilitate Meridian's ability to define, execute, and monitor intricate workflows, gradually enabling these systems to manage workflows autonomously.Data and Decision Systems: Construct and refine the pipelines that fuel our platform, including data ingestion, analysis, AI model orchestration, evaluation, and feedback loops that enhance system performance over time.Practical Problem Solving: Comprehend user and agent search behaviors across various markets, identify signals utilized by AI systems to generate responses, and develop fully autonomous workflows.Strategic Technical Decisions: Make impactful trade-offs that shape the long-term development of our product and company, prioritizing actions that significantly contribute to our mission.Company Shaping: Collaborate closely with founders and the initial team to influence product direction, system architecture, and engineering culture.

Sep 14, 2025
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companySolva logo
Full-time|On-site|New York City

About SolvaSolva is pioneering the development of artificial intelligence solutions tailored for the insurance industry, transforming a colossal $8 trillion market, with a primary focus on claims management. Our operations are bolstered by a $6 million investment from prominent backers including First Round, Y Combinator, SV Angel, and notable angel investors like Paul Graham, who have previously supported industry giants such as OpenAI, Google, Stripe, Anthropic, Databricks, and GitHub. We are proud to have an advisory board composed of seasoned insurance executives and entrepreneurs.Our team has a proven track record, having played a crucial role in establishing Europe’s fastest-growing InsurTech and founding a licensed EU bank that handles payments exceeding €1 billion annually. We are on a mission to revolutionize one of the world’s largest sectors by reimagining it through the power of AI.Solva is recognized as a Y Combinator S25 company, rapidly emerging as one of the most dynamic and well-capitalized startups in the industry.About the RoleAs a Founding Engineer, you will collaborate with a team of seasoned entrepreneurs and former Apple engineers. You will set the standards for AI security and accountability, creating best practices where none currently exist. We value those willing to tackle challenging problems head-on and innovate in meaningful ways. Your contributions will be pivotal in shaping our core product and expanding our engineering team.Your responsibilities will vary, from delving deep into backend systems and cloud infrastructure to making architectural decisions that impact multi-billion dollar claims processes.This position offers true ownership. You will not only write code but also influence the technical direction, lead initiatives on new projects, and help cultivate a strong engineering culture from the ground up.What You Will DoDesign and implement production systems for our core offerings.Take charge of infrastructure and backend technologies (Go, Python, Postgres, GCP/AWS, Kubernetes, Terraform, CI/CD).Engage across the tech stack as necessary (React, Vite, TypeScript).Deliver quickly, iterate based on customer feedback, and transform complex issues into clean, scalable solutions.Help foster an exceptional engineering culture and play a significant role in shaping our long-term technical vision.What We Are Looking ForA standout candidate who has developed impressive projects in the AI domain.Extensive backend and infrastructure experience (cloud services, infrastructure as code, system scalability, observability).Proven ability to make technical decisions while balancing practical solutions and long-term design goals.A strong desire to innovate and contribute to the future of AI in the insurance sector.

Sep 11, 2025
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company
Full-time|On-site|New York City

At Fortify, we are revolutionizing the way students finance their education.We seek a passionate Fullstack Engineer who is enthusiastic about fintech, capital markets, and innovative products to join our mission in making education more accessible.About Us:Fortify is dedicated to empowering students by providing them with affordable options to finance their education and supporting them post-graduation.In the wake of COVID-19, access to credit has diminished, leaving students from various educational backgrounds—ranging from trade schools to prestigious universities—seeking financial assistance. Fortify is here to assist educational institutions in managing these financing programs more effectively, encompassing everything from financial aid and scholarships to payment plans and institutional loans. Our goal is to simplify student financing while also equipping our students for success beyond graduation.We are building solutions for those who possess the ambition and determination to pursue their education but lack the necessary resources.Supported by Pear VC, Fortify is a well-funded, agile organization.Join our small yet highly skilled team in fintech and lending, led by co-founders with a proven track record of launching successful venture-backed companies, including pivotal roles at SoFi.About This Role:As a Fullstack Engineer, you will be instrumental in developing Fortify's core financing platform.You will enjoy significant autonomy over new product initiatives and play a key role in major launches.Working within a compact team, you will have ample opportunities to lead design and product development if desired.Your contributions will directly support our mission of enhancing educational access and fostering economic mobility.Potential Projects:Taking charge of the architecture and launch of new products, such as a financial aid tool that simplifies the application process for federal (FAFSA) and state aid.Enhancing our online financing application to facilitate smoother access to loans, scholarships, or aid for students.Creating resources aimed at promoting financial literacy among students and assisting them in securing job opportunities post-graduation.Preferred Qualifications:Demonstrated significant ownership of production code at a tech startup.Experience with full-stack development in a collaborative environment.Passion for fintech and a commitment to advancing educational access.

Apr 30, 2025
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companyRillet logo
Full-time|Hybrid|New York City

About RilletAt Rillet, we empower accounting and finance teams to enhance their operational efficiency. Our clients are the financial strategists of their organizations, and our mission is to provide them with tools that deliver unparalleled speed, accuracy, and insights.Rillet is an innovative AI-driven ERP solution designed to facilitate rapid financial closures. What sets us apart is our cohesive data model, extensive range of seamless integrations (including Stripe, Ramp, Salesforce), automated workflows that are both efficient and auditable, and our growing suite of specialized AI agents that tackle various financial tasks. We take pride in maintaining a perfect customer satisfaction score. High-growth companies such as Mercer, Windsurf, and Function Health appreciate our ability to scale alongside their financial infrastructure.With significant backing of $100M from top-tier investors including Sequoia, a16z, Iconiq, Oak HC/FT, and First Round, we are poised to revolutionize financial operations.Our CultureRillet is a fast-paced environment where intelligence is essential. To thrive here, one must exhibit remarkable agility, proactivity, and adaptability.Successful team members at Rillet take initiative, internalize our mission, devise innovative strategies, and deliver superior results that surpass expectations.Our work is customer-centric, and we seek individuals who take pride in delivering high-impact solutions, even when they diverge from the initial plan.While accounting experience is not mandatory, a genuine appreciation for how our solutions empower our clients is crucial. Our team members are passionate about enhancing the financial backbone of the most dynamic companies around the globe.Position OverviewWe are in search of a skilled Senior Frontend Engineer to enhance the user interface of Rillet's cutting-edge accounting and finance software. In this role, you will collaborate with our CTO, product team, and designers to create user-friendly, high-performance interfaces that finance professionals will love to utilize.We value in-person collaboration and prefer candidates who are within commuting distance of our New York City or San Francisco offices, or those willing to relocate. Our team members are expected to work in the office on Tuesdays and Thursdays, along with one additional flexible in-office day. Some roles may necessitate more in-office presence based on specific functions.

Nov 4, 2025
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companyMadecard logo
Full-time|$120K/yr - $160K/yr|On-site|New York City

Join Our Team as a Frontend EngineerAt Madecard, we are on a mission to empower homeowners to save time, money, and reduce stress. Our flagship product, the Made Card, is a credit card crafted specifically for homeowners, providing unparalleled rewards on mortgage payments, home improvements, utilities, and essential purchases. Each transaction fuels a bespoke home management platform that enables users to oversee their home systems and appliances, stay ahead of maintenance tasks, and receive assistance—ranging from AI-powered guidance to in-person services—just when they need it.By collaborating with leading national organizations in the residential homeownership sector, including mortgage lenders and home service providers, we integrate Made into crucial moments of the homeowner journey. This strategic approach allows us to reach millions of households nationwide, delivering significant advantages to homeowners.Supported by esteemed investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team boasts extensive experience in fintech, mortgages, and credit cards from prestigious firms like Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are dedicated to building a financial and engagement platform that places homeowners at the forefront while redefining the essence of feeling at home.

Sep 28, 2025

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