CareerPlan

Fullstack Developer - Advanced @Fleet

ParisFull-time€45k–€55k2026-11-07 → 2026-11-09
On-site · FranceNo visa sponsorship

Core

Lead development projects and build new features for Fleet's IT security platform and internal tools.

Role type

Senior Full-Stack Web Developer

Builds

IT security offering (MDM, antivirus, VPN), internal tools, and sales/marketing automation

Domain

Cybersecurity / SaaS

Required skills

JavaScript (React, Express), TypeScript, PostgreSQL, technical specification writing, QA, mentoring, API design

Preferred skills

Experience in start-ups or scale-ups, independent project management, analytical problem solving

Technologies

React, Next.js, Express, TypeScript, PostgreSQL, MUI, GitHub Actions, Zod, React Hook Form, Redis

Responsibilities

Develop new features and integrate them into the current platform; Write technical specifications based on business needs; Mentor less experienced developers; Work with Product team to deliver customer-centric solutions; Improve internal tech processes (unit testing, CI, monitoring)

Seniority

Senior, hands-on IC