Source Job

India

  • Build interactive web applications using modern frontend frameworks like React, Next.js, Vue, or Svelte alongside backend services with Python or Node.js.
  • Design and implement database structures, integrate third-party APIs, and manage full application features including authentication and data management.
  • Independently architect, develop, and deliver complete features from concept to deployment while ensuring code quality, security, and scalability.

JavaScript TypeScript Python React Node.js

20 jobs similar to Freelance Full-Stack Web App Developer

Jobs ranked by similarity.

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.

India

  • Design, develop, and maintain scalable full-stack applications using Python, JavaScript, React, and modern frameworks.
  • Build and optimize backend services with Flask and FastAPI, and create high-performance frontend applications with React.
  • Implement cloud-based solutions using AWS services (EKS, S3, RDS) and manage containerized applications with Docker and Kubernetes.

  • Design, develop, test, and maintain responsive web applications, including both front-end and back-end components.
  • Develop RESTful APIs and integrate third-party services, collaborating with designers and stakeholders.
  • Optimize application performance, security, and scalability, and participate in code reviews.

VA4U is a technology company that builds scalable web applications. They have a growing remote team and emphasize collaboration and innovation.

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.

Ukraine

  • Lead the full product lifecycle from MVP to production, managing a cross-functional team.
  • Build responsive frontend components and robust backend APIs with modern frameworks and databases.
  • Collaborate with cross-functional teams to translate business requirements into technical solutions.

INFUSE is a data-driven digital company that helps businesses grow through innovative solutions. We foster a collaborative, innovation-first environment with a focus on initiative and experimentation.

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.

$127,500–$178,000/yr
US

  • Develop and maintain web applications using React, Next.js, and Node.js to power e-commerce systems.
  • Collaborate with cross-functional teams to design, optimize, and deliver high-performance user interfaces.
  • Debug and resolve issues across the stack to ensure high availability and reliability.

Oura empowers people to own their inner potential through its award-winning health tracking ring and app. As a quickly growing company focused on health and happiness, it fosters a dynamic and inclusive work environment.

India

  • Design and deliver modern, high-performing web applications using React and Next.js.
  • Collaborate with cross-functional teams to transform business requirements into reliable digital products.
  • Drive technical excellence through clean code, performance optimization, testing, and continuous improvement.

Jobgether uses an AI-powered matching process to connect candidates with job opportunities. It operates as a platform that reviews applications and shares shortlists with hiring companies, with a collaborative and agile engineering culture.

Europe

  • Design, develop, test, and deploy scalable full-stack applications using Python, React, and TypeScript.
  • Leverage AI-assisted coding tools to improve productivity and maintain code quality.
  • Collaborate with cross-functional teams in an Agile remote environment to deliver reliable digital solutions.

The company builds modern software solutions while leveraging AI-assisted development tools to accelerate engineering workflows. They offer a remote-first, flexible working environment with a focus on innovation and continuous learning.

Global

  • Design, develop, and maintain full stack applications from front-end to backend.
  • Build APIs, microservices, and cloud-based services for innovative products.
  • Collaborate with product, design, and engineering to align technical strategy.

SignalFire partners with top early-stage startups shaping the future of technology. Our portfolio spans 200+ innovative companies across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS.

India

  • Build and maintain full-stack features using Node.js (backend) and React/Vue (frontend).
  • Develop and integrate REST APIs, ensuring performance and reliability.
  • Collaborate with product, design, and QA to deliver features end-to-end.

Netomi is the leading agentic AI platform for enterprise customer experience, working with brands like Delta Airlines and MetLife to enable agentic automation at scale. Backed by Y Combinator and Index Ventures, we are a growing startup with a fast-paced, collaborative culture that values ownership and innovation.

Canada

  • Lead end-to-end development of scalable, customer-focused software features.
  • Architect and implement backend APIs and modern frontend applications.
  • Mentor engineers and contribute to engineering best practices and documentation.

The company builds enterprise SaaS solutions that help organizations operate with greater clarity, efficiency, and confidence. It is a fast-growing, remote-first organization with a collaborative culture and employee resource groups.

India

  • Build and maintain web applications for scientific communities and research-focused users.
  • Develop robust APIs, backend services, and scalable application architectures.
  • Contribute to Web3 infrastructure initiatives including blockchain features and smart contracts.

A mission-driven company building products at the intersection of technology, science, and decentralized innovation. They are a remote-first, async-friendly team with a small, collaborative culture focused on meaningful global impact.

Spain

  • Design, develop, and deploy a mobile-first PWA using React and TypeScript.
  • Build APIs with Python/FastAPI or Node.js and integrate with PostgreSQL for data management.
  • Implement offline functionality, caching strategies, and client-server synchronization for optimal performance.

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, they are committed to delivering impactful, future-ready solutions.

  • Build full-stack web features from front-end to back-end with real ownership.
  • Own your work from inception to launch, including iterating with customers post-launch.
  • Hold yourself accountable to high standards of quality in a fast-moving startup environment.

Meow provides startups with business accounts, corporate cards, and clean financial reporting to operate and raise capital. They are a small, fast-moving startup that combines financial infrastructure with hands-on support for global customers.

US

  • Design and build end-to-end features spanning responsive front-end interfaces and back-end services.
  • Develop and maintain RESTful APIs, manage databases, and own features from concept through deployment.
  • Participate in code reviews, architecture discussions, and technical planning while writing clean, maintainable code.

Thermal Works provides integrated cooling systems for data centers and commercial buildings, reducing energy demand, water consumption, and cost. The company is part of the Endeavour Energy ecosystem, values efficiency, and fosters a culture of respect, learning, and excellence.

$140,000–$190,000/yr
US Unlimited PTO

  • Design, build, and maintain backend APIs and frontend components for end-user-facing features
  • Own features from concept to production, iterating quickly based on customer feedback
  • Write high-quality, well-tested, maintainable code across the full stack

Clarium is an AI-powered platform that provides hospitals with end-to-end visibility into their supply chain operations, automating workflows and surfacing actionable insights. Founded in 2020, Clarium has raised $43M in total funding and is trusted by major health systems, with a culture of fast-paced, high-growth collaboration.

US

  • Design and develop end-to-end web applications using React and Python, integrating AI-powered capabilities for document management.
  • Build scalable backend services and APIs, and connect with search platforms and data pipelines.
  • Collaborate with experts to optimize performance, write maintainable code, and contribute to continuous improvement.

Our partner builds modern AI-powered applications that transform how enterprises manage and interact with complex information. They offer a collaborative, remote environment focused on innovation and professional growth.

Switzerland

  • Design, develop, and maintain scalable backend services, microservices, and RESTful APIs.
  • Deliver features from initial design through deployment, including testing, code reviews, and production releases.
  • Mentor junior engineers and contribute to architectural decisions.

Partner company develops modern software products with a focus on building scalable, high-performance backend solutions. Its fully remote engineering team values ownership, technical excellence, and continuous improvement.

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.