Senior Software Engineer, Platform

Role overview govwell is looking for a Founding Software Engineer to join its platform team in New York, NY. As one of the first engineers, this person will influence technical decisions and help build core systems that support government agencies. What you will do Design and develop scalable systems for the govwell platform Collaborate with teammates in engineering, product, and other areas Help define technical direction and set standards for the platform Build solutions that improve public services Impact This position shapes the technology foundation at govwell and advances the goal of empowering government agencies through stronger software.

DiligenceSquared is in search of a pioneering Backend Engineer to join our team as we revolutionize the landscape of market due diligence through cutting-edge AI technology. In this foundational role, you will be instrumental in designing the architecture for our AI-driven engine, which coordinates autonomous research agents and voice AI systems to produce innovative market reports tailored for investment professionals, including those in Private Equity, Hedge Funds, Private Credit, and Corporate M&A.About DiligenceSquaredAt DiligenceSquared, we are transforming commercial due diligence for Private Equity funds. Backed by Y Combinator and having successfully raised a substantial Seed round, we are proud to serve some of the globe's largest PE funds. The market opportunity exceeds $10 billion annually, with PE firms spending up to $1 million per report from consulting giants such as McKinsey, BCG, and Bain. Our AI agents streamline this process, delivering faster, cost-effective, and fully auditable results, linking every claim to its source.Our founding team comprises seasoned professionals from Blackstone and BCG, bringing invaluable insights into the market's needs, which we are now automating.Your Responsibilities:Develop comprehensive product features and experiences from start to finish, including database models, API endpoints, and their integration with UI components for our web and AI Voice Agent application.Design and implement new AI-driven modules from the ground up (e.g., market sizing, competitive analysis) that will become core functionalities of our research platform.Build and maintain product foundations that include AI agent orchestration, voice AI pipelines, application and API performance, and intelligent automations.Architect scalable backend services featuring complex asynchronous processing and background task orchestration.Continuously improve the product by applying insights gained from each project, ensuring we progress by 1% every day (the Law of Compounding is real, especially for a team founded by investment professionals).Qualifications:Minimum of 3 years of professional experience in Python backend development.Proven expertise in building production-ready APIs using frameworks like FastAPI, Django, or equivalent.Experience in developing agentic systems leveraging large language model platforms (e.g., Anthropic, OpenAI).Hands-on experience with LLMs in a production environment, focusing on building reliable agentic systems rather than just API calls.Knowledge of PostgreSQL and SQL database design.Strong problem-solving and analytical skills with a passion for innovative technology.

Join Savvy as a Founding Platform Engineer, where you will play a pivotal role in building innovative solutions that power our platform. As a key member of our team, you will collaborate closely with cross-functional teams to design, implement, and optimize our backend systems. Your expertise will help shape the technological backbone of our services, ensuring scalability and reliability.

Join OuterSignal as a Founding Software EngineerAt OuterSignal, we are pioneering the customer intelligence layer for commerce. While brands track orders, they often miss the larger picture, seeing only about 5% of the complete narrative. We provide insights into the remaining 95%, revealing not just who purchased, but also key information about those individuals — including executives, influencers, journalists, retail buyers, investors, and loyal customers who can become a brand’s strongest advocates. Our innovative platform enhances every order in real-time with both professional and personal signals, enabling smarter outreach, improved analytics, and better business development leads. In just six months, we've partnered with over 150 brands and are experiencing a monthly growth rate of 50%. Our small, high-performing team is committed to building a category-defining platform for e-commerce customer intelligence, supported by a world-class group of investors.Your Responsibilities:Design and manage core systems that handle millions of orders via APIs and LLM pipelines.Develop queue-based microservices utilizing Redis, Node.js, TypeScript, PostgreSQL, Docker/Kubernetes, and Vercel.Integrate vector databases and RAG pipelines to enhance customer profiles, making them smarter, faster, and more searchable in real-time.Deliver features end-to-end: from APIs to dashboards and integrations (including Shopify, Klaviyo, Slack, Zapier, and Gorgias).Ensure compliance with privacy regulations and best practices.Collaborate closely with the founding team on product vision, roadmap, and future hiring of engineers.Your Profile:5+ years of engineering experience, particularly in backend infrastructure and distributed systems.Proven experience in a fast-paced startup environment or a strong willingness to adapt to dynamic work conditions.Proficient in JavaScript/TypeScript (Node), with additional familiarity in Python and Machine Learning being a plus.Experience with vector databases (such as Pinecone, Weaviate, pgvector) and RAG architectures.Comfortable designing schemas and scaling PostgreSQL databases.Bonus if you have experience building applications around LLMs, Shopify, or data privacy frameworks.Above all, you desire ownership of your work. You thrive in rapid development environments, enjoy tackling complex challenges, and are not deterred by the chaos that often accompanies early-stage projects.

Join Highbeam in revolutionizing business banking and cash management!Our innovative platform integrates AI-driven agents, automated financial workflows, and seamless financial products, designed to help businesses save valuable time and resources.Trusted by industry leaders such as Cuts, Tushy, and NYON, our customers have generated billions in sales.Our talented team includes alumni from prestigious companies like Shopify, Square, Toast, and McKinsey, and we have successfully raised $42M in equity from top investors including Acrew, FirstMark, Mayfield, and Two Sigma Ventures.

About EliseAIAt EliseAI, we are transforming critical industries such as housing and healthcare. Everyone deserves a secure home and access to quality healthcare, yet both can often be difficult to attain. By seamlessly integrating AI agents into current workflows, we enhance efficiency, lower costs, and elevate the overall experience for users.Housing: We streamline the process for renters to tour apartments, sign leases, submit maintenance requests, and maintain communication with their property teams—bringing every essential service for their home into a single platform.Healthcare: We simplify the scheduling of appointments, the completion of intake forms, and enhance communication between patients and providers, allowing everyone to focus on health rather than paperwork.With EliseAI, organizations can minimize manual tasks, enhance accessibility, and provide a seamless experience across vital services. We recently secured a $250 million Series E funding round spearheaded by Andreessen Horowitz to propel this mission forward.About The RoleEliseAI is venturing into a new sector: healthcare. We are in search of a Founding Software Engineer to play a pivotal role in establishing our new business unit. You will be working in a startup environment within a startup, driving transformative changes in the healthcare landscape.As a Software Engineer at EliseAI, your role will extend beyond mere coding; you will develop software that enhances business operations and positively impacts lives. Instead of adhering to a predefined playbook, you will be creating one. Each day will present challenges to identify methods for scaling and executing our vision. You will collaborate with a small team of top-tier engineers, taking on substantial ownership, leading projects, and witnessing your ideas come to fruition.Key ResponsibilitiesDevelop systems that promote autonomous operations in healthcare, optimizing communication and administrative workflows.Collaborate directly with customers to design and manage new product features from conception to deployment.Enhance the scalability and reliability of our core infrastructure.Suggest and implement impactful improvements to our applications.

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.

About SequenceJoin Sequence to revolutionize how companies manage their revenue! Our platform processes over $1 billion in annual invoice volume and continues to expand rapidly.We are crafting an AI-driven financial platform designed for modern finance teams, eliminating outdated spreadsheets and cumbersome legacy systems with user-friendly software.Trusted by industry leaders like Cognition, incident.io, and MoonPay, Sequence is streamlining the revenue cycle for over 100 high-growth businesses, from quoting to billing and revenue recognition.Founded by seasoned entrepreneurs, we experienced a remarkable 10x ARR growth last year and recently secured $20M in Series A funding led by 645 Ventures, with participation from a16z and outstanding founders and CFOs from companies like Decagon, Klaviyo, and Wise.

At Authentic Insurance, we empower insurance brokers to develop superior insurance products tailored for their clients. Our innovative technology platform and robust support system enable brokers to create customized insurance solutions that cater to specific industries or customer segments. We act as the foundational operating system that drives these specialized insurance offerings. This allows brokers to provide unique products that set them apart from competitors, increase their earnings, and reduce the time spent on paperwork and administrative tasks. We manage the intricate aspects of technology, compliance, and partnerships with top-rated insurance carriers, allowing brokers to concentrate on delivering exceptional service and expanding their business.ResponsibilitiesDesign and implement the platform infrastructure to support cutting-edge insurance systems, taking ownership from problem definition to delivery.Identify bottlenecks and engineer solutions to enhance team efficiency, applying first-principles thinking alongside practical judgment to prioritize effectively.Take ownership of challenges from beginning to end, considering scalability, operability, and ongoing metrics—delving into root causes to optimize for real-world results.Enhance reliability and performance across the technology stack (infrastructure, deployment, observability).Iterate on existing platform tools and services in response to feedback from engineering teams.Collaborate with senior engineers on critical architectural decisions and technical direction.

Ramp builds intelligent infrastructure for finance teams, helping companies manage over $100 billion in annual spending. The platform automates payment authorization, risk reduction, spend categorization, and bookkeeping for more than 50,000 organizations. Ramp’s approach centers on solving complex, data-driven challenges with a focus on ownership, urgency, and measurable impact. Customers typically see a 5% reduction in costs and a 16% increase in revenue within their first year on Ramp. Every team member is empowered to make decisions that shape the company’s outcomes, with an emphasis on action over credentials. Role overview This Software Engineer position sits on the Engineering Platform team in New York, NY (HQ). Rather than building customer-facing features, this team creates and maintains the core infrastructure that supports over 300 engineers at Ramp. Work includes developing and refining CI/CD pipelines, merge queues, deployment systems, service templates, and on-call tools, as well as the AI-driven layer that connects these systems. When internal engineering processes slow down or fail, the effects are felt company-wide. This role carries responsibility for the entire incident lifecycle, from diagnosis and remediation to postmortem analysis and prevention. The work is foundational and high-impact, supporting a fast-moving engineering organization. What you will do Design and enhance systems that increase engineering productivity, such as merge queues, deployment strategies, CI/CD frameworks, Smart Reviewer, and stack tools. Respond rapidly to slowdowns or issues. Lead incident response from start to finish: identify root causes (for example, database serialization failures or Redis latency spikes), implement solutions, document postmortems, and develop strategies to prevent future incidents. Establish standardized service pathways, including API design, database migrations, Kafka, Temporal, and secret management, to help teams build infrastructure efficiently and avoid redundant work. Oversee the full suite of developer tools (including Devportal, Graphite, Buildkite, Inspect, deployment processes, LaunchDarkly, and Datadog), with a strong understanding of their interactions, especially under pressure. Treat the Software Development Life Cycle (SDLC) as an operational system: monitor metrics like pull request throughput, CI/CD cycle times, and defect rates, and proactively address bottlenecks.

Founding Backend EngineerCompany Overviewfuku is an innovative and rapidly expanding social shopping platform co-founded by Phoebe Gates and Sophia Kianni. With a user base exceeding 350,000 and an impressive 90% retention rate, fuku is at the forefront of transforming online shopping through community engagement, personalized experiences, and AI-driven recommendations. Join our dynamic, mission-oriented founding team and play a key role in defining the future of social commerce.Key Job Information- Location: New York City (relocation support provided)- Work Type: On-site, full-time- Required Experience: 3+ years- Salary Range: $160,000 – $200,000 per year- Visa Sponsorship: Available for H-1B, O-1, OPTRole SummaryIn the role of Founding Backend Engineer, you will take ownership of and enhance fuku's data infrastructure, essential for powering search, personalization, and recommendations. Collaborating closely with the CTO and machine learning engineers, you'll design robust data pipelines, architect backend systems, and establish best practices for backend engineering. This is a unique founding opportunity where you will have substantial product and technical ownership.Responsibilities- Design and implement backend systems for fuku's recommendation engine and shopping experience.- Develop and maintain data pipelines for processing large-scale datasets from diverse sources.- Create reusable APIs and microservices for core product functionalities.- Collaborate with the ML team to integrate machine learning models into production.- Ensure system reliability, scalability, and maintainability across the backend stack.- Set and uphold backend engineering standards and technical best practices.Requirements- At least 3 years of backend engineering experience.- Strong expertise in Python and cloud platforms (AWS/GCP).- Practical experience in building data pipelines and microservices architectures.- Familiarity with Airflow, gRPC, GraphQL.- In-depth knowledge of search and vector database technologies, including: - HNSW (Hierarchical Navigable Small World) - OpenSearch / Elasticsearch - Approximate Nearest Neighbor (ANN) frameworks- Exceptional system design and problem-solving capabilities.- Willingness to work in-person in New York City (relocation assistance provided).Benefits & Perks- Competitive salary with equity in the company.- Comprehensive health, vision, and life insurance.- 401(k) plan with company matching.- Complimentary daily lunches, snacks, and late-night Ubers.- Opportunity to work closely with founders and early team members, influencing product and technical direction.Interview Process1. Introductory chat with the Head of Recruiting2. Technical interview3. Coding assessment4. CTO interview5. Onsite interview (technical + cultural fit)6. Offer extended7. Onboarding

Join the Foundational Team at RillaRilla is revolutionizing the way we index the offline world. We have developed the premier sales coaching software tailored for organizations that conduct sales in-person. With over 1000 clients, including industry giants such as The Home Depot, KKR, Neighborly, and PulteGroup, our platform empowers AI-driven sales coaching across their operations.Supported by leading investors including Google Ventures, Bessemer Ventures, Crew Capital, and Broom Ventures, Rilla is an in-office team based in New York City. Our dynamic team operates with the speed and adaptability of high-performance learners, driven by a deep commitment to our customers and a passion for maximizing our real-world impact.If you're eager to develop products and systems that capture and index billions of real-world conversations, Rilla is the perfect place for you.Your RoleWe are establishing a new Platform team, and we are looking for one of the inaugural hires. You will collaborate closely with the platform team lead to shape how Rilla constructs, deploys, monitors, and scales its infrastructure.Your responsibilities will span the entire platform architecture: CI/CD pipelines, Terraform modules, monitoring stacks, SSO integrations, and the API infrastructure crucial for our client operations. If it ensures our product’s functionality and allows engineers to deploy seamlessly, it falls under your purview.You will engage in coding, system design, and architectural decision-making, effectively constructing the platform relied upon by our expanding engineering team of over 25 members. You will take ownership from initial concept to delivering production systems that serve thousands of customers.We welcome engineers of all experience levels; what counts is your relentless resourcefulness, strong technical skills, and enthusiasm for building from the ground up.Do you consider yourself 'obsessive' in your craft? Do you want to define the infrastructure for one of the fastest-growing startups in history? Then Rilla is the ideal environment for you to thrive.

Join us as a Founding Software Engineer specializing in frontend development to shape the future of AI-driven market due diligence. You will take charge of the frontend experience for our innovative platform, designing user-friendly interfaces for voice AI interactions and dynamic data visualizations, aiming to redefine market reports for investment professionals in sectors such as Private Equity, Hedge Funds, Private Credit, and Corporate M&A.About DiligenceSquaredDiligenceSquared revolutionizes commercial due diligence for Private Equity firms. Backed by Y Combinator and having recently secured a substantial Seed funding round, we serve some of the largest Private Equity funds globally.The market for due diligence services exceeds $10 billion annually, with firms like McKinsey, BCG, and Bain charging between $500K and $1M per report. Our AI agents offer faster, more cost-effective solutions with full traceability of claims to their sources.Our founders possess extensive experience from their time at Blackstone and BCG, where they were instrumental in these workflows. We intimately understand market needs, and we’re dedicated to automating them.Your ResponsibilitiesLead the frontend development of our AI-driven platform, crafting interfaces that engage and satisfy users at leading investment firms.Simplify complex data and AI outputs into user-friendly, actionable interfaces.Develop a robust, scalable frontend architecture capable of supporting intensive real-time operations.Explore the limits of modern web technologies to enhance user experience.Continuously improve our product by applying insights from each project to achieve a daily 1% improvement (the Law of Compounding is real, especially for a company founded by investment experts).Qualifications:Minimum of 3 years of professional experience with React and TypeScript.Strong expertise in contemporary frontend architecture and state management.Proven track record in developing complex, data-intensive applications.Familiarity with Next.js or comparable React frameworks.A portfolio showcasing your craftsmanship and attention to detail.A passion for UI/UX design and making intricate information easily digestible.Bonus Skills:Background in finance, particularly within investment banking or consulting.

Role overview Speechify is hiring a Software Engineer, Platform, based in Buffalo, NY. This position focuses on developing and maintaining the software systems that form the backbone of Speechify’s text-to-speech platform. What you will do Collaborate with team members to enhance and extend platform capabilities Design, build, and maintain essential software modules Contribute to delivering a reliable and effective user experience across Speechify’s products Support ongoing improvements in text-to-speech technology Impact Work in this role will shape the future of Speechify’s platform and influence how users engage with its technology.

Dagster Labs develops tools that enable organizations to build scalable and efficient data platforms. The company’s core offerings include Dagster, an open-source project popular among developers, and Dagster+, a managed cloud solution. These products support thousands of teams, ranging from early-stage startups to established enterprises, in their analytics, machine learning, and AI initiatives. With the rapid growth of AI, the need for reliable, high-quality data has never been greater. Dagster Labs is dedicated to simplifying the testing, comprehension, and usability of data platforms. Many top AI companies have adopted Dagster as a foundational part of their technology stack. Team culture The team operates with strong funding and a collaborative spirit. High standards, open communication, and a focus on trust and curiosity shape the work environment. The company values a workplace free from egos and unnecessary drama. Locations This is a remote-first company with offices in San Francisco, New York, and Minneapolis.

Join SeatGeek: Where Live Events Come to LifeAt SeatGeek, we believe that live events are transformative experiences that bring people together. Our mission is to revolutionize the ticketing industry through innovative technology and a customer-centric approach.The Platform team plays a crucial role in this journey by providing a robust and secure foundation for product development and deployment. By simplifying processes and offering user-friendly, self-service tools, we empower teams across SeatGeek to focus on delivering exceptional experiences without unnecessary complexities.We are seeking skilled Platform Engineers to enhance and expand our platform. In this position, you will collaborate with cross-functional teams to design and implement solutions that are user-friendly, scalable, and adaptable to diverse team requirements. Your contributions will ensure that SeatGeek teams can build and deliver products smoothly, particularly during critical operational moments.

About TheraThera is revolutionizing the financial landscape for modern small and medium-sized businesses (SMBs) by creating an integrated financial operating system that encompasses payroll, payments, treasury management, spending, accounting, and documentation — all within a single ecosystem. Our vision is supported by leading investors, including Y Combinator, 10X Founders, Zillionize, Amino Capital, and others.As a Founding Engineer, you will play a pivotal role in designing, developing, and scaling the foundational systems that facilitate global payroll and financial transactions. You will collaborate closely with the CEO, rapidly deliver solutions, take ownership of significant product features, and influence the engineering culture from the outset.What You Will CreateInnovative products spanning our comprehensive ecosystem, including Spend, Docs, Cash, and Accounting modules.About You3–7+ years of experience in building and deploying production systems.You excel in uncertain environments, work swiftly, and have a strong commitment to your craft.Proficient in managing the complete lifecycle of 0→1 features.You have a proactive approach, favor straightforward solutions, and uphold high standards.Experience with Typescript, Java, or Kotlin is preferred.Why Choose Thera?This is a genuine founding opportunity: substantial ownership, significant equity, direct influence on product development and company culture, and the chance to establish one of the most impactful fintech platforms of the next decade.Discover more about our cultural principles here: https://www.getthera.com/principles

Join clera as a Founding Engineer and be a pivotal part of our innovative team. As we embark on our journey with a $3 million pre-seed funding, we are looking for talented engineers who are eager to shape the future of our company. This role offers a unique opportunity to work collaboratively with our founding team to develop cutting-edge solutions and drive our technology forward.

Join Noto as a Founding Engineer!At Noto, we are revolutionizing the way after-school businesses operate by creating an AI-native operating system tailored for tutoring centers, music schools, and sports academies. Our goal is to empower the 150,000 after-school businesses across the U.S. with a seamless platform that modernizes outdated tools and eliminates the chaos of spreadsheets.With our recent funding of $3.8M seed from esteemed investors like Base10 Partners and South Park Commons, we are poised for rapid growth.Founded by visionary technical leaders, AJ Ding (CEO) and Steve Wang (CTO), we are based in NYC and are in the process of building a passionate team dedicated to quality, user experience, and making a significant impact.Become part of our mission to empower small-business owners within local communities!(Our team enjoying karaoke with a valued customer)Meet Our Founders AJ Ding (CEO) - A second-time founder with a background in AI recruiting and experience as a machine learning engineer and data scientist at Quora, Lyft, and Meta. AJ holds a degree in Statistics from Yale and has a personal connection to small business ownership.Steve Wang (CTO) - Previously the Head of Engineering at Nitra, Steve has extensive experience in data science and engineering at Lyft. He studied math at Harvard and has Canadian roots.Work Environment 4 days in-office (Union Square area)1 day remote per week1 week per quarter to work from anywhereOpportunities for occasional travel for team off-sites and client visitsOur Company Culture Strong Team Spirit: We collaborate closely and celebrate our shared achievements.Impact-Driven: We prioritize meaningful work that makes a difference.