Source Job

$180,000–$200,000/yr
US

  • Build across the stack, owning fullstack features end to end from design through release.
  • Collaborate cross-functionally and take ownership in a fast-moving, meeting-light environment.
  • Use AI tools as a force multiplier and help shape our AI-native development practices.

React TypeScript Node.js GraphQL PostgreSQL

20 jobs similar to Senior Fullstack Engineer

Jobs ranked by similarity.

India

  • Design, develop, and deliver high-quality full-stack applications using TypeScript, Node.js, Next.js, React, and C#/.NET.
  • Build clean, maintainable, and well-tested code with strong emphasis on quality, accessibility, and performance.
  • Work autonomously within a collaborative, fast-paced agile team, leveraging AI-assisted tools to drive product impact.

Smart Working connects skilled professionals with global teams for full-time remote roles. It is known as one of the highest-rated workplaces on Glassdoor, offering a supportive community and growth opportunities.

$150,000–$185,000/yr
US Canada

  • End-to-end delivery: Design, build, test, and ship full-stack features across frontend and backend.
  • Product partnership: Work closely with Product, Design, and Data to turn customer needs into reliable software.
  • Code quality: Write clean, maintainable, well-tested code and hold the team to a high bar through reviews.

FutureFit AI is an AI-powered platform that helps people get to better jobs faster and cheaper, focusing on those facing barriers to opportunity. The company has a team of 30-50 across the US and Canada, with a culture of high velocity, high intensity, and high trust.

$160,000–$230,000/yr
US

  • Build backend services, APIs, and data layers powering product domains like outreach automation, payments, reporting, and analytics.
  • Own data modeling, ETL, and vendor SDK integrations while contributing to React frontend and internal tooling.
  • Partner with Product throughout the development lifecycle, author technical specs, and contribute to CI/CD and development infrastructure.

Pearly is a B2B SaaS and payments company serving over 2,500 dental offices. They are scaling rapidly with a hyper-modern stack and a focus on shipping impactful capabilities.

Global

  • Implement end-to-end user journeys across the full stack, including administrative and core platform flows such as tenancy, user management, and permissions.
  • Rapidly prototype new flows, validate assumptions, and iteratively harden them into production-quality implementations.
  • Review, refine, and integrate AI-generated code, ensuring correctness, performance, and maintainability.

Gradera defines a new category of enterprise transformation called Software-Orchestrated Services™, where software orchestrates human expertise, digital workers, and enterprise systems. As an AI Native Services firm, they help enterprises redesign work across operations, product, engineering, customer experience, data, and enterprise workflows.

Philippines

  • Own features from concept to deployment and design, build, test, and release production-ready software.
  • Refactor and improve existing codebases, debug and maintain AI-generated applications for production.
  • Collaborate with globally distributed teams to improve scalability, maintainability, and performance.

Doneverse is a fast-growing technology and digital services company that supports founders and businesses across the United States, Australia, and global markets. They offer a high-autonomy engineering environment and focus on building and scaling production-grade systems.

US Unlimited PTO

  • Build and ship high-quality product experiences across the stack, with attention to speed, reliability, usability, and craft.
  • Design and implement clean frontend systems in React and TypeScript, and develop APIs and backend services.
  • Own problems end to end, from idea formation through technical design, implementation, and long-term maintenance.

Ondo Finance provides institutional-grade, blockchain-enabled investment products and services, with a technology arm developing decentralized finance and an asset management arm creating tokenized funds. Founded by ex-Goldman Sachs team members, the company is fully remote, well-capitalized, and backed by top investors like Founders Fund and Coinbase Ventures.

India

  • Build end-to-end features from database to UI across the customer-facing web app, APIs, and integrations.
  • Drive requirements from ambiguous asks to concrete specs and shipped outcomes in tight feedback loops.
  • Use AI tools like Claude Code for efficient execution and own the quality bar for every PR.

CertifID protects large real estate transactions from fraud by operating at the intersection of identity, payments, and fraud prevention, serving title, escrow, and lending markets. With 1.46 million transactions protected in 2025, they have a growing, product-focused engineering team.

North America

  • Ship high-quality features end-to-end using TypeScript, Next.js, and PostgreSQL.
  • Take ownership of technical decisions and balance speed with correctness.
  • Collaborate with cross-functional teams to drive the Cards roadmap.

Keep provides businesses with a comprehensive suite of cross-border banking services. Backed by VCs, they are a fast-growing fintech startup with a team of seasoned startup veterans.

US

  • Be part of a team replacing a decades-old legacy system with a modern web ecosystem using Agentic AI tools like Claude Code and Codex.
  • Develop and own domain services in TypeScript and Node.js, including case lifecycle state machines and pricing engines.
  • Deliver complete vertical slices of business capability across the full stack, from React UI to AWS CDK infrastructure-as-code.

Redhorse Corporation is a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We are a team of thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions.

$151,000–$178,500/yr
US

  • Lead and evolve the architecture of our core platform including React, Node.js/Express, Postgres, and AWS ECS infrastructure.
  • Mentor engineers across all levels and establish engineering standards for code quality, testing, and observability.
  • Partner with engineering leadership and product to scope, sequence, and de-risk large technical initiatives.

AnswersNow is trailblazing the future of autism therapy with an innovative virtual ABA therapy platform designed by clinicians. Our fully remote team is reshaping autism therapy to make it more immediate, accessible, and effective for families everywhere.

$166,600–$208,300/yr
US Canada

  • Feel a strong sense of product ownership and actively seek responsibility.
  • Work in an autonomous environment on a close-knit team.
  • Partner closely with designers and product leaders to ship lovable experiences.

Mercury provides a modern banking experience for startups, aiming to rescue customers from frustrating legacy tools. The company fosters a culture of product ownership and autonomy, with a close-knit team working as a 'startup within a startup'.

$126,700–$235,300/yr
US

  • Build full-stack applications with TypeScript, React, Python, and Go.
  • Collaborate with product, design, and customers to solve real-world problems.
  • Develop AI-powered developer tools and operate in mission-critical environments.

Istari Digital builds modern web applications, developer tools, and AI-powered workflows for aerospace and defense customers. Their remote team focuses on delivering secure, high-performance systems for mission-critical environments.

India

  • Design, develop, and maintain scalable full-stack applications using Node.js and React.js.
  • Build and integrate REST APIs and cloud-based solutions with AWS services, including AWS Bedrock.
  • Integrate Generative AI capabilities into applications and collaborate with cross-functional teams to deliver software solutions.

Tech Holding is a full-service consulting firm delivering predictable outcomes and high-quality solutions to clients. It was founded by experienced industry professionals with senior positions in startups to Fortune 50 firms, fostering a diverse and inclusive workplace.

US

  • Build and enhance modern web applications and APIs using React, TypeScript, and Python.
  • Contribute to scalable, cloud-native architectures on AWS with event-driven designs.
  • Use AI-assisted development tools like GitHub Copilot and Cursor in daily engineering work.

Arine is a healthcare technology and clinical services company that uses AI and data science to optimize medication management, reducing waste and improving patient outcomes. Backed by leading healthcare investors and managing over 18 million lives, the company is a rapidly growing startup ranked among the fastest-growing in the AI category.

$54,195–$108,390/yr
Germany

  • Own the entire build from task to ship, building UI, writing backend logic, and deploying features on AWS or Vercel.
  • Talk directly to Design Partners to understand their e-commerce needs and translate them into smart software solutions.
  • Move fast, make pragmatic decisions, and bring features from discovery to live deployment using modern AI coding tools.

Adference, a subsidiary of ABOUT YOU since 2019, provides an online marketing solution for Amazon, helping agencies and brands optimize their Amazon Advertising. It is a fast-growing, innovative tech company with a flat hierarchy, open feedback culture, and remote options.

$84,680–$94,170/yr
Canada Unlimited PTO

  • Build and ship end-to-end features, from RESTful APIs to responsive frontend components, using Python/Django and TypeScript/React.
  • Develop scalable backend services and create high-quality frontend experiences with reusable, performant UI components.
  • Champion code quality through clean, testable code and actively participate in code reviews to elevate the team.

Procurify is the AI-enhanced procurement and AP automation platform for mid-market organizations. We are a remote-first company with a big heart and a strong ambition to modernize business spend management.

Europe Global

  • Own product outcomes end-to-end: from identifying user problems to shipping, measuring, and iterating.
  • Build frontend experiences and scalable backend services for ranking insights and analytics.
  • Design and implement LLM-driven workflows and data pipelines for large-scale processing.

Saas.Group is a portfolio powerhouse that acquires and grows small B2B SaaS companies into industry stars. With a fully remote team of nearly 350 colleagues across 44 countries, they foster a culture of innovation and collaboration.

India Global

  • Contribute to full-stack features across React frontend and NestJS backend microservices.
  • Write clean, well-tested TypeScript, build GraphQL resolvers, and optimize SQL queries.
  • Participate in Kafka-based event pipeline development and work within Kubernetes and AWS environments.

H1 provides a platform that uses data and AI-technology to unlock medical insights and improve healthcare globally. The company is a mission-driven organization with a focus on health equity, offering flexible work hours and the opportunity to work from anywhere.

$128,700–$153,400/yr
US 6w PTO

  • Influence: Makes an impact on the whole team, not just on specific parts of it.
  • Technology: Researches, creates proofs of concept, and introduces new technologies.
  • System: Owns the technical design, development, maintenance, and operational responsibilities for one or more projects or products.
  • People: Mentors others to accelerate their career-growth and encourages them to participate.

Bellese is a mission-driven Digital Services Company pioneering innovative technology solutions in civic healthcare. With a focus on service design, the company aims to improve public health outcomes and includes a team dedicated to the QMARS program at CMS.

India

  • Lead design and development of scalable full-stack applications with cloud-native and AI technologies.
  • Build AI-enabled applications using large language models, retrieval-augmented generation, and autonomous execution patterns.
  • Collaborate with cross-functional teams to translate business needs into technical solutions and drive engineering best practices.

This role is listed on behalf of a partner company that builds advanced AI-powered enterprise applications transforming customer interactions. The company has a flexible-first work culture supporting remote arrangements and offers professional growth opportunities.