Founding Engineer Infrastructure And Backend jobs in New York City – Browse 1,314 openings on RoboApply Jobs

Founding Engineer Infrastructure And Backend jobs in New York City

Open roles matching “Founding Engineer Infrastructure And Backend” with location signals for New York City. 1,314 active listings on RoboApply Jobs.

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Full-time|On-site|New York City

Overview: Spur is the AI QA Engineer for every company.Location: New York CityAt Spur, we create groundbreaking technology designed to redefine quality assurance: autonomous browser agents that think, explore, validate, and self-heal like actual users. We aren’t just another testing tool; we are revolutionizing the way digital teams deliver with confidence.The market response has been resounding. Leading brands such as Alo Yoga, Living Spaces, HelloFresh, Nextdoor, and Abercrombie & Fitch are actively engaging with us. Demand is skyrocketing, sales cycles are swift, and our product delivers — teams can go live in days, not months.Our elite team comprises builders from DeepMind, Figma, and former founders who are producing at a pace that larger companies cannot match.Our Mission: We aim to empower our customers to deliver exceptional digital experiences.Explore our Manifesto: https://www.spurtest.com/founders-letterThe RoleAs the founding engineer specializing in infrastructure and backend, you will design the core architecture of Spur’s platform—defining, building, and scaling critical infrastructure that powers our web agents.You will oversee our entire stack from top to bottom, orchestrating vast fleets of browsers and web agents in the cloud while optimizing them for massive scale. Collaborating closely with the founders, you will tackle pioneering infrastructure challenges that have a direct impact on our customers and set the benchmark across our stack, from low-level infrastructure to the user experience delivered by our agents.What You Will DoBuild and scale our core infrastructure to deploy and manage thousands of browser and web agents daily.Design, implement, and maintain our clusters, CI/CD processes, observability, and best practices.Rapidly iterate in collaboration with product, engineering, and the founders.Bonus PointsExperience with distributed task queues and optimizing performance/scalability.A history of generating impact in small teams and scaling infrastructure from the ground up.You Will Excel Here If YouHave 5+ years of experience designing, deploying, and managing infrastructure at scale.Possess deep expertise in Docker and cloud technologies.

Jan 21, 2026
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companyfuku logo
Full-time|$160K/yr - $200K/yr|On-site|New York, New York, United States

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

Dec 9, 2025
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companyDiligenceSquared logo
Full-time|On-site|New York City

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.

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

Join Brellium as a Senior Backend / Infrastructure Engineer in the vibrant heart of New York City. In this pivotal role, you will be responsible for designing, implementing, and maintaining robust backend systems that power our innovative solutions. You will collaborate with cross-functional teams to ensure seamless integration and high performance of our applications.

Mar 17, 2026
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companyTitan logo
Full-time|On-site|New York

About TitanTitan is a pioneering wealth management firm dedicated to revolutionizing the way individuals access financial advisory services. Our mission is to democratize wealth management, empowering every individual with a personal wealth advisor in their pocket. Unlike traditional wealth management, which often caters solely to the ultra-rich, Titan leverages cutting-edge technologies like artificial intelligence to create a platform that amplifies advisors' capabilities, making them accessible to a broader audience. With the support of renowned investors such as a16z, General Catalyst, and Sam Altman, we proudly manage over $1 billion in assets for clients nationwide.Why Join TitanJoining Titan means becoming part of a mission-driven company where your contributions will have a lasting impact. Ambitious Vision: Our goal of placing private wealth management in everyone's hands will redefine wealth accumulation for generations to come.Critical Timing: The rise of large language models (LLMs) fuels our quest to make personalized wealth management a reality for all, motivating our daily efforts.Significant Impact: As a part of our small, agile team, your contributions will be highly visible and influential in shaping the future of Titan.Dynamic Team Culture: We thrive on collaboration, working closely together in our office, alongside our founders who are deeply involved in daily operations.Competitive Compensation: At Titan, we offer attractive salary packages and equity opportunities that ensure every team member feels like an integral part of the company.Renowned Support: With backing from top-tier investors who align with our bold vision, including a16z and Y Combinator, we are poised for continued growth.Role OverviewWe are looking for a Principal Backend / Infrastructure Engineer to join our engineering team in New York City. In this high-impact role, you will be instrumental in architecting, developing, and scaling the core systems that underpin our financial platform. Collaborating with a talented team of former founders and engineers from tech giants like Google and Meta, you will focus on enhancing our backend services, trading systems, real-time APIs, data pipelines, and automated workflows, ensuring they are secure, scalable, and resilient. Your technical expertise will directly influence the reliability and performance of our platform as we scale beyond $1 billion in assets under management.

Feb 6, 2026
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companyOXIO logo
Full-time|On-site|New York City Office

Senior Backend Engineer – Transform Telecom Infrastructure for NextGenAt OXIO, we are revolutionizing the telecom landscape with the world’s first Telecom-as-a-Service (TaaS) platform. Our mission is to democratize telecom, empowering brands and enterprises to own and manage proprietary mobile networks tailored to their unique customer needs. By integrating multiple networks into a single, cloud-based platform, we provide a modern SaaS solution that offers full network access, delivering exceptional business intelligence and insights to enhance understanding of customer and machine behavior. With a relentless focus on innovation, OXIO enables companies to establish a robust telecom presence while unlocking unparalleled customer insights.As we expand our capabilities, we are looking for an experienced Tech Lead to contribute to our flagship BrandVNO platform. In this pivotal role, you will lead the development of our software development kit (SDK), empowering clients to craft groundbreaking telecom experiences within their mobile applications.

Jan 15, 2026
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companyCVector logo
Full-time|$125K/yr - $150K/yr|On-site|New York, New York, United States

CVector is dedicated to revolutionizing economic optimization and AI-driven predictions across energy and manufacturing sectors.Our technology seamlessly integrates critical decision-making factors that impact cost, reliability, and profit margins, providing a unified decision layer that forecasts future scenarios, simulates potential outcomes, and optimizes operational strategies. This allows industrial plants to operate closer to their maximum economic potential daily.This position requires in-office attendance at our New York City headquarters four days a week. CVector serves clients nationwide and operates in challenging industrial environments.Role OverviewAs a Senior Software Engineer specializing in Backend and AI Infrastructure, you will be instrumental in advancing CVector’s backend platform. Your focus will be on developing time-series data systems, AI-enhanced analytics, cloud infrastructure, and data ingestion pipelines that underpin our client-facing applications and internal modeling tools.This role is ideal for engineers who thrive on working closely with data and infrastructure, possess excellent architectural judgment, and are eager to engage with AI systems, databases, and distributed backend services. You will take ownership of complex systems, lead significant technical migrations, and influence the integration of intelligence into industrial energy workflows.You will work in close collaboration with product, modeling, and frontend engineers, significantly impacting the platform's direction, reliability, and scalability for the long term.Key ResponsibilitiesAs a Senior Software Engineer, your contributions will span various interconnected domains:Intelligent SystemsTranslate customer domains and operational workflows into effective prompts and AI system interfaces.Design, implement, and refine evaluations for AI outputs.Incorporate customer feedback and reinforcement signals to enhance system performance.Optimize context selection, retrieval, and trace collection to elevate output quality.Fine-tune smaller models using collected traces to enhance speed while maintaining performance standards.Evaluate and assimilate new AI platforms and models as they emerge.Support the training and deployment of large, time-series-specific models.Backend Platform and Data InfrastructureOversee migrations and enhancements of our time-series data schemas and storage systems.Update and manage PostgreSQL and associated database infrastructure.Develop and sustain data connectors for industrial and external systems.Lead improvements to MQTT-based data ingestion pipelines.Transition PostgREST to a GraphQL-based framework and evolve our API architecture.

Feb 2, 2026
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companyOuterSignal logo
Full-time|On-site|New York City

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.

Dec 5, 2025
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companySavvy logo
Full-time|On-site|NYC Office

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.

Mar 10, 2026
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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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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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companySailor Health logo
Full-time|Remote|USA

About Sailor HealthSailor Health is dedicated to addressing the urgent mental health crisis affecting older adults. In the U.S., seniors are the demographic with the highest suicide rates but often lack adequate mental health services. With projections indicating that by 2030, over 65 million seniors will represent nearly a quarter of the U.S. population, this issue demands immediate attention.We are developing an innovative platform focused on senior mental health, facilitating connections between older adults, therapists, healthcare professionals, and insurance providers. Our AI-driven operating system enhances care coordination, provides real-time clinical insights, and simplifies insurance billing, allowing therapists to dedicate more time to compassionate care.Our rapid growth and partnership with Medicare enable us to deliver exceptional and affordable psychotherapy to hundreds of patients. We are proud to have the support of distinguished founders from Ramp, Nourish, Headway, Charlie Health, and Spring Health.⭐ About the RoleLocation: HQ - New York City - Remote.We are seeking a Founding Full-Stack Engineer who will spearhead the development of our AI-enhanced platform from its architectural design through to launch. You will collaborate closely with our co-founders to establish the systems and AI infrastructure that drive our platform, including tools for therapists and care navigation support.This is a unique opportunity to create and launch an AI-first product from the ground up at a startup that has achieved exceptional product-market fit. You will be responsible for significant technical decisions, influence our engineering culture, and rapidly bring innovative ideas to fruition. If you thrive in a fast-paced environment and seek to make a meaningful impact through your coding, we want to connect with you.

Jan 5, 2026
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companyConfido logo
Full-time|On-site|NYC Office

At Confido, we are revolutionizing the AI infrastructure for Consumer Packaged Goods (CPG) brands, streamlining processes from deduction to production planning. Our platform integrates cash application, deductions, disputes, trade promotion management, forecasting, demand planning, and analytics, resulting in significant time savings and enhanced decision-making capabilities.Trusted by over 200 brands managing more than $20 billion in revenue—including OLIPOP, Simple Mills, Dr. Squatch, and Tropicana—Confido has established itself as a leader in the industry. Recently, we secured a $15 million Series A investment led by Footwork Ventures and Y Combinator, propelling our growth further.We are creating an AI-native operating system for brands selling into brick-and-mortar retail, developing intuitive and powerful software alongside AI agents that help brands like Baskin Robbins and OLIPOP automate thousands of hours of tedious manual work involved in scaling in retail.Currently, we offer two innovative products: (1) an accounting automation solution that processes over one million transactions annually, and (2) a forecasting tool that assists brands in managing over $1 billion in retail sales.Join us at Confido, where we are experiencing best-in-class growth (5x YoY) and efficiency, fueled by our recent funding to continue building on this momentum.

Nov 8, 2025
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companyJunior logo
Full-time|On-site|New York City

Join JuniorAt Junior, we are on a mission to revolutionize the investment research process for private market investors through innovative LLM-powered tools. Our esteemed clients include some of the top 10 private equity and consulting firms globally, collectively managing billions in investments annually. As a profitable and bootstrapped startup, we have a dynamic team of 24 professionals based in London and New York City.Learn more about our mission and values here. Role OverviewAs a Senior Backend Engineer, you will play a pivotal role in building and scaling the systems that drive our AI-enhanced research platform. This systems-level position is a perfect fit for engineers passionate about data flows, orchestration, and optimizing performance across complex distributed environments.Being one of our initial engineering hires, you will have the exceptional opportunity to:Deliver solutions rapidlyDesign and scale backend systems that facilitate high-throughput LLM interactions, vector searches, and multi-agent orchestration.Integrate AI infrastructure across various model providers, data stores, and internal APIs to construct cohesive and high-performing systems.Enhance reliability and observability, aiding in the evolution of our database systems (Postgres / ClickHouse) and job orchestration mechanisms.Prototype new backend functionalities (retrieval pipelines, caching layers, async task queues) to expedite our development processes.Influence our engineering culture About YouWe seek product-focused backend engineers who:Are based in NYC, as we operate 5 days a week in the office.Are enthusiastic about the fusion of AI infrastructure and systems design.Possess experience in leading projects from inception to completion.Are eager to influence product decisions.Are proficient in our technology stack: Next.js, TypeScript, PostgreSQL.Feel a constant drive to build faster.

Nov 4, 2025
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companyNoto logo
Full-time|Hybrid|New York City

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.

Jul 10, 2025
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companyEliseAI logo
Full-time|On-site|New York City

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.

Jun 20, 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

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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companyTalentpluto logo
Full-time|On-site|New York, New York, United States

Location: New York CityIndustry: AI / Recruiting / HR TechCompensation: Competitive salary plus meaningful early equity Talentpluto is building an autonomous recruiting platform that uses AI to streamline hiring. The team focuses on intelligent candidate screening, real-time conversations with hiring managers, and automating complex recruiting workflows. The product leverages large language models, voice AI, and automation tools to reshape how companies find and hire talent. The company values agility, rapid iteration with real users, and a culture based on trust and ownership. Feedback from clients and candidates directly shapes product decisions, and everyone is encouraged to take responsibility for impactful hiring tools. Role overview The Founding Engineer will help define the technical direction of Talentpluto and take on broad ownership across the product and technology stack. This position suits someone who enjoys building from the ground up, partnering closely with founders and clients, and shaping both architecture and engineering culture from the earliest stages. This role covers everything from designing and deploying features to establishing infrastructure and engineering practices. The Founding Engineer will also help recruit and onboard future engineering hires, ensuring the team grows with strong foundations in place. Key responsibilities Design, build, and launch features across the stack, including backend data models, APIs, and user interfaces Work directly with founders and clients to turn high-level needs into practical, effective solutions Select tools, frameworks, and architectural approaches for the platform Set up and maintain infrastructure for CI/CD, observability, security, testing, and performance Define engineering best practices, such as code review standards, testing protocols, and release management Contribute to pipeline management UIs, multi-tenant systems, and integrations with payment gateways and external services Support recruitment, hiring, and onboarding of engineers and contractors as the team grows Troubleshoot complex production issues and improve documentation and internal tools as needed Requirements Experience delivering real products end-to-end, ideally in a startup or fast-changing team Comfort working across the full stack: frontend, backend, databases, and sometimes mobile Strong sense of ownership and focus on user outcomes, not just task completion Ability to work through ambiguity and iterate based on user feedback

Apr 29, 2026
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companyMeridian logo
Full-time|On-site|New York City

Join Meridian as a Founding Backend Engineer and play a pivotal role in crafting the foundational systems that drive our cutting-edge AI capabilities. In this exciting position, you will be tasked with developing scalable APIs, efficiently managing vast datasets, and establishing a robust and high-performance backend infrastructure.Key ResponsibilitiesDesign and develop resilient backend systems that facilitate AI-driven analytics.Create scalable APIs that provide real-time insights and streamline data management.Enhance data processing pipelines for both large structured and unstructured datasets.Maintain system security, performance, and reliability throughout the tech stack.Collaborate closely with front-end engineers and data scientists to implement impactful features.Make critical technical decisions, balancing speed and long-term sustainability.Candidate ProfileDemonstrated expertise in backend development, supported by a strong portfolio or GitHub repository.Proficiency in Node.js, TypeScript, and Python, with practical experience in scalable backend solutions.In-depth knowledge of database systems (PostgreSQL, S3, data lakes) and adept at efficient query design.Proven history of developing robust data pipelines and experience with distributed systems.Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Docker, Kubernetes).Strong understanding of security best practices, API authentication, and performance optimization.Thrives in a dynamic, high-performance startup environment.Experience in system prompt engineering and LLM output evaluation is a plus.

Sep 14, 2025

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