Senior Web Developer

Technology

Remote Remote permanent

Posted: November 17, 2025

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Required Skills

React TypeScript Front-end technologies Fintech Ethereum High-performance Software-Driven Approach Code Reviews Mentorship

Job Description

Relai is on a mission to simplify Bitcoin saving and investing. As Europe’s fastest growing Bitcoin-only investment app, we’re rapidly scaling and to support this growth, we’re building a lean and high-performing finance team ready to drive impact.

We’re looking for a React Developer with strong experience in TypeScript and a product-driven mindset.

What You’ll Do

• Build and maintain high-quality web interfaces in React and TypeScript, with a focus on performance and scalability

• Collaborate with designers, backend engineers, and product managers to create seamless user experiences

• Translate UI/UX designs into clean, maintainable code

• Ensure accessibility, responsiveness, and cross-browser compatibility

• Participate in code reviews, mentor junior developers, and share best practice

What You Bring

• 5+ years of professional experience as a front-end or full-stack developer, with React as a core skill

• Strong expertise in TypeScript, HTML, CSS, and related front-end technologies

• Experience with Next.js or other modern frameworks

• Proven track record in fintech, Bitcoin, or crypto products

• Startup/scaleup experience and comfort with high-speed product cycles

What You’ll Get

• 100% remote work – Join a fully remote, flexible team working across Europe.

• Relai provides you with the latest MacBook laptop and an iPhone to ensure smooth and effective work.

• Competitive salary + employee participation – We grow together.

• Professional Development – Yearly budget for your professional growth.

• 0% fees on Bitcoin purchases at Relai – Stack sats with ease.

• Meaningful perks – Blinkist, Spotify, and Netflix subscriptions on us.

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