Senior Full Stack Developer / Internal Tools and Data

Senior Full Stack Developer / Internal Tools and Data

France

At Relai, we are on a mission to make Bitcoin the go‑to savings technology—simple, accessible, and secure. As Europe’s leading Bitcoin startup, we’re pioneering the future of Bitcoin investing by making it effortless for individuals and institutions alike to buy, sell, and hold Bitcoin without complexity or middlemen. With $12M in Series A funding and rapid growth, we are expanding our team of passionate Bitcoiners.

We’re looking for a Senior Full Stack Engineer (m/f/d) to play a pivotal role in enhancing Relai’s Internal Tools and Data handling. Your contributions will directly impact our ability to deliver an intuitive, world‑class app for Bitcoin investing.

Your role

As a senior full‑stack engineer you will:

• Take care of our internal dashboard used by several departments at Relai
• Implement internal features of the dashboard such as performing actions related to users or transactions
• Implement the back‑end endpoints related to these actions
• Take full ownership of the data structure and handling
• Work closely with the front‑end and broker team

What you bring

• At least 3 years of experience in a similar role
• Strong SQL and PostgreSQL (including jsonb ) knowledge
• Working on large datasets and know how to process them efficiently
• Git and the related branching models
• CI/CD systems
• Big data knowledge is a plus
• Experience working in an agile development environment, embracing collaboration and iterative improvement.
• A preference for simple, scalable solutions that can evolve through iteration, avoiding unnecessary complexity.
• A passion for clean, maintainable code and a strong commitment to coding best practices.
• A self‑starter mindset, with the ability to work independently and deliver results with minimal supervision.

What You’ll Get

• 100% remote work – Join a fully remote, flexible team working across Europe. We will help you set up and enjoy remote work with a monthly allowance.
• Equipment – Relai will provide the latest MacBook laptop and an iPhone to ensure smooth and effective work.
• Education & Development budget – We will invest in your constant growth.
• Competitive salary + employee participation – We grow together.
• Monthly subscriptions – Netflix? Gym? Spotify? We got you!
• 0% fees on Bitcoin purchases at Relai – Stack sats with ease.
• Travel – A few times a year, you will get the chance to spend some time with the Team in various European locations.
• Referral program – With each person you suggest, and we hire, you get a bonus.