Source Job

Global

  • Lead the development and completion of the app as a full stack developer.
  • Own the technical roadmap and become a co-founder of the company.
  • Collaborate with a remote team of technologists and medical professionals.

PostgreSQL Node.js React Native AWS Full Stack Development

20 jobs similar to Lead Developer and Co-founder

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US

  • Design, build, and maintain backend services, APIs, and databases that power our product.
  • Collaborate with our team to deliver full-stack features end-to-end.
  • Lead and improve database architecture, performance, and reliability.

Tiny Health is advancing lifelong health through precision microbiome science, using shotgun metagenomics and AI. Founded in 2020, it is a remote-first team of microbiome scientists and physicians with a culture of high standards and transparency.

Latin America

  • Act as the primary technical point of contact for healthcare 'vibe coders', diagnosing and resolving complex platform issues.
  • Design, build, and maintain full-stack features and internal tooling.
  • Write optimized SQL queries and develop secure, type-safe REST APIs.

We build a platform to easily build and launch secure healthcare applications. We are a small, remote team with a focus on developer experience.

$92,000–$113,500/yr
United States

  • Collaborate with senior developers to implement new features and improve existing functionality.
  • Write and test high-quality code based on design specifications and product requirements.
  • Participate in planning and design discussions with product managers and designers.

Judi Health is an enterprise health technology company providing pharmacy benefit management and health benefit solutions for employers and health plans. It is a late-stage startup with a remote-first culture and a focus on delivery.

LATAM

  • Design and develop scalable, secure server-side components, APIs, and front-end interfaces using React, TypeScript, and Node.js.
  • Build and maintain services on AWS and Kubernetes, ensuring compliance with HIPAA, SOC 2, and HITRUST.
  • Collaborate cross-functionally with product, design, and DevOps teams in agile sprints, writing clean, tested code.

Blue Coding specializes in hiring excellent developers from Latin America for cutting-edge companies in the United States and Canada. With over 150 engineers and other professionals distributed across more than 10 countries, we are a fully remote, culturally diverse company committed to honesty, fairness, and cooperation.

Brazil

  • Design and develop full-stack features for internal platforms supporting finance, compliance, and transaction workflows.
  • Build scalable backend services, APIs, and integrations with third-party platforms.
  • Develop modern frontend applications and dashboards for operational metrics.

The company builds modern technology platforms to improve operational efficiency in the real estate industry. It operates as a remote-first team with a focus on product ownership and collaboration with global teams.

Global

  • Lead the design and delivery of complex, cross-cutting features spanning APIs, data models, and UI while mentoring mid-level engineers to raise the overall engineering bar.
  • Drive technical direction for new payments capabilities, including architecture trade-offs, operational feasibility, and risk assessment across a cloud-native orchestration platform.
  • Use AI-assisted development tools effectively and contribute to incident response, root-cause analysis, and platform reliability in a 100% remote team.

Xplor Technologies provides modern vertical software, embedded payments, and AI-powered capabilities for membership-based and service-based industries. With over 130,000 businesses in 72+ countries and $47 billion in annual payment volume, the company fosters a values-driven, inclusive culture focused on innovation and collaboration.

Global

  • Execute the full software development lifecycle across both backend services and frontend interfaces.
  • Design and build well-tested, well-documented features that span APIs, data models, and UI.
  • Contribute to verification plans, quality assurance procedures, and deployment guardrails.

Xplor Technologies provides vertical software, embedded payments, and AI-powered capabilities to help businesses in various industries simplify operations and enhance customer experiences. With over 130,000 businesses in 72+ countries and processing over $47 billion in payments annually, the company fosters a culture of innovation and collaboration guided by core values like 'Find a better way' and 'Win together'.

US

  • Design, build, and ship customer-facing product features end-to-end.
  • Own architecture across backend systems, APIs, databases, and cloud infrastructure.
  • Develop AI-powered workflows leveraging modern LLM technologies.

This seed-stage healthcare technology startup is building AI-powered infrastructure to modernize care coordination and benefit administration for vulnerable populations. The founding team is creating a culture centered around ownership, collaboration, and craftsmanship.

Latin America

  • Use requirements from product manager to develop features that clients will love.
  • Leverage best practices to create great code and connect with your remote team daily.
  • Carefully analyze requirements, test scripts, and assist in planning and scope management.

Founders Workshop creates web and mobile apps for non-tech founders of tech startups. They partner with clients to deliver first version software on time and on budget, fostering a culture of collaboration, transparency, and continuous learning.

Brazil

  • Design and develop fullstack applications using .NET 9, C#, ReactJS, and PostgreSQL.
  • Build and optimize RESTful APIs and database solutions for healthcare processes.
  • Collaborate with multidisciplinary teams to deliver scalable, high-performance software.

You will join a partner company that builds digital solutions for healthcare technology, focusing on appointment scheduling and operational workflows. The company fosters a collaborative, inclusive environment with opportunities for growth and a feedback-driven culture.

$137,000–$217,000/yr
US Unlimited PTO

  • Full stack product development with a lean towards backend, building and maintaining GraphQL APIs with Python and web/mobile experiences with React & React Native.
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  • Mentor other engineers, contribute to cross-team engineering forums, and participate in on-call duties.

Modern Health is a mental health benefits platform for employers, offering one-on-one, group, and self-serve digital resources for emotional, professional, social, financial, and physical well-being. The company has raised over $170 million and is the fastest entirely female-founded company in the U.S. to reach Unicorn status, with a culture of high empathy and high accountability.

Global

  • Build and maintain features across React/TypeScript frontend and NestJS/TypeScript backend, including UI, REST APIs, and data layers.
  • Design client-server architecture with state management, routing, authentication, real-time WebSocket updates, and AWS SQS background job processing.
  • Collaborate on integration between web app and LLM-based agents for message schemas, queue communication, and file/data handoff.

InsightRX builds a platform combining web applications with conversational AI to support pharmacokinetic/pharmacodynamic analysis and clinical trial workflows. Their team focuses on pharmaceutical R&D decision-making tools, though no specific size or culture data is provided.

United States Unlimited PTO

  • Craft client code that is efficient, performant, testable, scalable, secure, and of the highest quality.
  • Provide accurate status tracking, reporting, and estimation using project methods and tools.
  • Collaborate with fellow engineers, designers, and managers to understand user pain points and iterate on solutions.

3Pillar is an AI transformation partner that helps enterprises build AI-native products and intelligent agents. With teams across North America, Europe, Latin America, and Asia, the company fosters a remote-first culture focused on well-being, global collaboration, and career growth.

Colombia

  • Design, develop, and maintain scalable web applications using front-end and back-end technologies.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Optimize applications for maximum speed and scalability while ensuring security and data protection.

Fygaro is an eCommerce business builder that enables entrepreneurs and businesses of all sizes to sell online. Winners of the Visa Everywhere Initiative 2020, they are a leading technology startup focused on helping SMEs in the LAC region adopt e-commerce.

Global

  • Grow API compatibility with the Supabase client, keeping behavior faithful to hosted Supabase and backed by conformance tests.
  • Build and harden the path for upgrading a project from Supabase Lite to full Supabase.
  • Own the developer experience end to end: the CLI, local tooling, and docs.

Supabase is the Postgres development platform, built by developers for developers. The company has ~400 team members across 60+ countries, is open-source-first, and has raised over $1B.

Global

  • Design, implement, and maintain internal and public-facing APIs used across Supabase products, including Studio, CLI, and OAuth applications.
  • Integrate with third-party platforms and partners, providing clear API points for them to connect with Supabase.
  • Build and enhance testing, debugging, and monitoring tools to ensure API stability, reliability, and performance.

Supabase is a Postgres development platform that provides a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. They are a remote-first, open-source company with 280+ team members across 55+ countries, and they have raised $500M.

$146,000–$182,500/yr
Canada 4w PTO

  • Design, build, and maintain backend APIs and services that power our AI workflow platform at scale.
  • Own complex projects end-to-end from architecture through production with full ownership and quick iteration.
  • Collaborate with a remote-first team to ship multiple times per day, using AI coding tools to accelerate development.

We're building an AI-native platform that helps marketing and creative teams at top e-commerce brands understand which ads are working and ship more winning creative across major ad platforms. We're a Series B remote-first team, currently under 100 headcount, growing 2.5x year over year, led by second-time founders.

US

  • Lead design and implementation of backend services for large-scale, data-rich healthcare applications.
  • Drive architecture decisions for integrations with third-party data sources and APIs.
  • Mentor engineers and elevate engineering standards through design reviews and operational excellence.

Omada Health is reverse engineering healthcare delivery in America, focusing on chronic conditions like obesity, diabetes, and hypertension. They are a publicly traded company (Nasdaq: OMDA) that has served over two million members and employ a virtual-first model with human-led care teams.

US

  • Develop and maintain full-stack application features across React frontends, Node.js services, databases, and cloud infrastructure.
  • Design intuitive, accessible user interfaces for complex workflows and data-rich applications while using AI-assisted tools.
  • Apply modern engineering practices including TDD, automated testing, CI/CD, and deliver frequent, incremental releases.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. The company values efficiency, objectivity, and data privacy, operating in a fully remote environment with a focus on diversity and equal opportunity.

Brazil

  • Design, develop, test, and maintain high-quality software solutions across frontend and backend.
  • Build scalable backend services and APIs using Node.js, and responsive frontend applications with React.js.
  • Collaborate with cross-functional teams, participate in code reviews, and mentor developers to grow toward technical leadership.

Our partner is a technology company that builds impactful digital solutions. They have a remote-first culture with a global team.