Full Stack Developer · Mid / Senior

Novatraqr; Paris; On-site; EUR 45,000 - 65,000; Full time

Job summary

Novatraqr Sàrl is seeking a Full Stack Developer in Paris to build and evolve a webapp handling key insurer flows. The role demands expertise in React, Next.js, and TypeScript, while also emphasizing back-end understanding.

Your responsibilities include developing the webapp, maintaining PostgreSQL databases, and designing secure REST APIs. Aiming for quality and speed, you will collaborate across teams to ensure the application's success.

Qualifications

• Excellent mastery of React and solid expertise in Next.js.
• Very good command of TypeScript.
• Good understanding of back-end constraints and tRPC.

Responsibilities

• Develop and maintain the full-stack webapp with React, Next.js, and TypeScript.
• Own front-end concerns like architecture, performance, and UX.
• Design and secure REST APIs using OAuth2 and JWT.

Skills

React mastery

Next.js expertise

TypeScript command

Understanding of back-end constraints

Application ownership

Job description

Overview

Build and evolve a key webapp that handles all the flows of an insurer (~€60M/year), with a front‑end‑leaning profile and good understanding of modern back‑end.

A modern application deployed on Vercel, with NeonDB (PostgreSQL), Clerk for auth, Statsig for feature flags. Speed and product quality are first.

Missions

• Develop and maintain the full‑stack webapp with React, Next.js and TypeScript.
• Own front‑end concerns: architecture, performance, accessibility, UX.
• Design, deploy and secure REST APIs (OAuth2, JWT).
• Deploy and maintain PostgreSQL databases.
• Integrate and operate Clerk, NeonDB, Statsig and tRPC.
• Work closely with product, design and engineering teams.

Profil

• Excellent React mastery and solid Next.js expertise.
• Very good TypeScript command.
• Good understanding of back‑end constraints and tRPC.
• Able to own the application as a whole, not just one screen.
• Ideally Senior, or confirmed Mid Full Stack with strong autonomy.