Source Job

Europe

  • Integrate user-facing elements with server-side logic and write reusable, testable code.
  • Design and implement low-latency, high-availability applications with security and data protection.
  • Create design systems and web components for third-party applications, ensuring SDK compatibility across browsers and frameworks.

React JavaScript Node.js TypeScript CSS

20 jobs similar to Senior Web Developer

Jobs ranked by similarity.

Global

  • Build and ship end-to-end web and backend features with production-grade quality
  • Develop AI-powered systems, including custom agents, RAG pipelines, and state-machine-driven workflows
  • Create scalable frontend experiences using SvelteKit, React, Vue, or similar modern frameworks

Truelogic is a leading provider of nearshore staff augmentation services. They have over 600 highly skilled tech professionals based in Latin America and partner with U.S. companies on their most impactful projects, delivering results that make a difference.

Europe

  • Design, develop, and scale backend services using TypeScript and Node.js within a microservices architecture.

Jobgether is an AI-powered matching platform that helps job seekers connect with companies. They ensure applications are reviewed quickly, objectively, and fairly against the role's core requirements.

Global

  • Design, develop, and maintain high-quality payment processing systems.
  • Build and refine seamless transaction experiences that optimize fund transfers.
  • Ensure efficient and intuitive onboarding experiences for users interacting with payment systems.

Kraken is a mission-focused company rooted in crypto values. As a fully remote company with Krakenites in 70+ countries, they are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space.

India

  • Design, develop, and maintain scalable full-stack web applications supporting learner-focused platforms and services.
  • Work within a microservices architecture using modern frameworks such as React, Next.js, and Node.js.
  • Collaborate with product managers, designers, and engineers to translate product requirements into technical solutions.

Our partner is building scalable, user-facing learning platforms that support thousands of students transitioning into new careers. The engineering culture is highly collaborative and fully remote, with a strong focus on learning, mentorship, and long-term career growth.

Global

  • Work closely with Engineering, Product, Design, and other stakeholders to align on project goals, gather and refine requirements, and ensure seamless execution.
  • Lead the design and implementation of robust, scalable, and maintainable frontend architecture using React, evaluating technical approaches and optimizing performance.
  • Drive development of UI components, services integration, and ensure high code quality through best practices, code reviews, testing, and documentation.

Miratech is a global IT services and consulting company that helps visionaries change the world by supporting digital transformation for some of the world's largest enterprises. With over 99% project success rate since 1989, Miratech retains nearly 1000 full-time professionals across 25+ countries and has a culture of Relentless Performance.

Global 6w PTO

  • Develop new website functionality using React and modify existing features.
  • Optimize system speed and design technical solutions.
  • Apply TypeScript, SOLID principles, and FRP while splitting specifications into subtasks and conducting code reviews.

Social Discovery Group (SDG) is a global group of social discovery companies offering social entertainment platforms that connect people across cultures. The international team of 1000+ professionals and digital nomads works remotely from over 20 countries and is a two-time "Great Place to Work" winner (USA & Japan, 2024–2025).

Europe 5w PTO

  • Contribute actively to open-source packages, SDKs, and developer tooling.
  • Develop and maintain clear, comprehensive, and developer-friendly documentation for SDKs, APIs, and integration workflows.
  • Foster and engage with the open-source community through GitHub discussions, technical support, knowledge sharing, and developer advocacy initiatives.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Jobgether appreciates your interest and wish you the best!

US Unlimited PTO

  • Lead the execution of the team's most complex technical initiatives across the full stack.
  • Lead technical design and architecture for complex features, ensuring solutions are maintainable and scalable.
  • Mentor and uplevel engineers through actionable code reviews and knowledge sharing.

NerdWallet's mission is to bring clarity to all of life’s financial decisions. They've built an inclusive, flexible, and candid culture where you’re empowered to grow and take smart risks.

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.

United States

  • Develop and maintain web applications using React, Next.js, TypeScript, TailwindCSS, and occasionally Python.
  • Collaborate with team members on best practices for efficient engineering, balancing aesthetics, scalability, and performance.
  • Provide and receive technical feedback through pair programming and code reviews, and collaborate with design, product, and leadership teams.

The Motley Fool is a purpose-driven financial services company on a mission to make the world smarter, happier, and richer. For 30 years, they’ve been helping people make better investment decisions through transparency, education, and a healthy dose of Foolish fun, operating as a fast-moving, collaborative team that values high-quality work and initiative.

Europe

  • Build features, fix bugs, and gradually take on more ownership as you learn the product.
  • You'll work alongside senior engineers who'll help you grow, but we won't spoon-feed you either.
  • You'll use AI tools heavily in our workflow - you'll be expected to leverage them to move fast and learn faster.

Cello provides the Revenue Growth Infrastructure for modern digital businesses. They help teams acquire, retain, and monetize customers at scale by turning word-of-mouth into a systematic, measurable growth channel built for the AI era. They are a small team backed by $10.3M in funding from top-tier investors.

US

  • Develop scalable platforms, services, and internal tooling to power Rula’s Revenue Cycle Management operations.
  • Build and maintain systems supporting payments, claims submission, and operational workflows across the revenue cycle.
  • Collaborate with engineering, operations, and business stakeholders to improve efficiency, reliability, and cost effectiveness.

Rula is a mental healthcare provider dedicated to evidence-based, compassionate care that empowers individuals to take charge of their well-being. As a remote-first company, we hire in most U.S. states and foster a culture of inclusion, diversity, and equity.

US

  • Design and develop modern full-stack application features using React, TypeScript, Python, and FastAPI.
  • Develop backend APIs and services that integrate with internal enterprise systems and downstream workflows.
  • Help modernize and simplify legacy operational processes through thoughtful application design and automation.

Trility Consulting fosters a strong, remote-work culture where people thrive, earning them a Great Place to Work Certification. They embrace flexible schedules and collaboration across geographically distributed teams serving clients from all corners of the United States and globally.

Canada Latin America United States Unlimited PTO

  • Lead technical direction and execution of fiat-to-crypto features and infrastructure.
  • Guide and mentor a team of engineers across backend, frontend, desktop, and mobile.
  • Build secure, scalable systems connecting users to third-party payment providers.

Consensys is the leading blockchain and web3 software company, founded by Joe Lubin, CEO and Co-Founder of Ethereum. The company has a fully remote, globally distributed team of technologists, designers, cryptographers, and researchers building the next layer of the internet.

US

  • Develop and maintain responsive web interfaces using React, HTML, CSS, and JavaScript.
  • Collaborate with product and data science teams to implement optimized designs across platforms.
  • Write clean, modular code and participate in code reviews to ensure high performance and scalability.

Implicit builds the world's leading AI Knowledge Engine for Maintenance and Support. We are a secure, no-code AI platform transforming complex documentation into structured knowledge, and we seek a part-time frontend engineer to join our diverse team.

US

  • Deliver full-stack feature work across a modern TypeScript and Next.js App Router codebase, including server actions, API routes, and service-layer logic.
  • Build accessible, responsive, design-system-driven UI in React, and design maintainable service, domain, and persistence boundaries.
  • Integrate with CMS platforms, write meaningful tests, and work within CI/CD pipeline using GitHub Actions and deploy to Vercel.

AKQA (part of WPP) designs adaptive digital services and applications that capture the imagination, delivering returns for clients. They foster a collaborative culture of respect and belonging with equal opportunities.

Europe

  • Understanding of React.js fundamentals.
  • Hands-on experience with server-side rendering, API routes, authentication strategies with Next.js.
  • Strong knowledge of TypeScript, including custom types, generics, utility types, and type safety best practices.

Software Mind develops solutions that make an impact for companies around the globe. We build cross-functional engineering teams that take ownership and crave more and our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

$160,000–$200,000/yr
US Unlimited PTO

  • Design, build, and maintain high-quality frontend applications using React, TypeScript, and Chakra UI.
  • Collaborate with product, design, and backend engineering teams to deliver intuitive user experiences.
  • Own frontend architecture decisions, including state management, component design systems, performance optimization, and accessibility.

Truffle Security is a cybersecurity company focused on detecting, verifying, and remediating secrets across software environments. They empower security and engineering teams with tools to find and manage exposed credentials across various systems.

Global

  • Ship complete features: design data models, build APIs, implement UI, and write tests
  • Build AI-powered tools for cultural analysis, document processing, and content localization
  • Integrate with LLM APIs (OpenAI, Anthropic, Google Gemini) and observability tools like Langfuse

We are building AI-powered tools for cultural intelligence. The company seems to be a fast-moving product team.

Poland Europe

  • Design and maintain robust applications using TypeScript/JavaScript, Node.js, NestJS, and React.js
  • Work in an AI-augmented development environment with tools like Claude Code and Cursor
  • Collaborate with stakeholders to define and deliver new features while ensuring code quality and security

Sigma Software partners with innovative European companies to deliver cutting-edge technology solutions with business impact. They have collaborated with a leading logistics provider since 2017, delivering over 10 active projects.