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Full-Stack Engineer

Paris, France💼 Full-time🗓 2026-04-16 → 2026-09-26

Core

Building high-performance user interfaces and full-stack services for a user authentication and onboarding platform.

Role type

Full-Stack Engineer (Frontend/Backend)

Builds

User-facing authentication features, internal developer tools, and the core Prelude API.

Domain

SaaS / Cybersecurity / Authentication

Deliverable

production ML models | product features | dashboards & analysis

Required skills

React, TypeScript, Go, API design, distributed systems, UX design

Preferred skills

Rust, gRPC, AWS serverless (Lambda, DynamoDB, SQS)

Technologies

React, TypeScript, Go, DynamoDB, SQS, Redshift, Lambdas

Responsibilities

Building polished user interfaces with React and TypeScript; Owning features end-to-end from frontend to backend; Working across the stack on distributed systems; Designing and building internal tools and dashboards; Helping deploy and scale fraud prevention models; Interacting with clients to build custom features; Participating in on-call rotations.

Seniority

Mid-Senior, hands-on IC

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