Full-Stack Engineer

📋 Description

• • As a Full-Stack Engineer at Prelude, you will play a pivotal role in building and scaling the platform that transforms user authentication from a cost center into a growth lever, directly impacting how companies worldwide onboard and secure their users.
• • You will build high-performance user interfaces using Next.js and TypeScript, own features end-to-end from React frontend through Go backend and data layer, and work across the stack using Go, DynamoDB, SQS, Redshift, and Lambdas to shape the next generation of the Prelude API.
• • You will join a small, high-impact team of 60 in Paris that values flat hierarchies, in-person collaboration, ownership, bias for action, and care — where your contributions directly influence product direction and system reliability.
• • You will have the opportunity to grow technically and product-wise by designing internal tools, improving developer efficiency, deploying fraud prevention models at scale, and engaging daily with clients to solve real-world problems — all while contributing to a mission-driven product with global reach.