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Fleet

Senior Fullstack Developer @Fleet

On site

Paris, France

Senior

Full Time

30-09-2025

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Skills

JavaScript TypeScript PostgreSQL GitHub Monitoring Sales Analytical Skills react Marketing Next.js Redis Express GitHub Actions

Job Specifications

Today, we are looking for an Senior Full-Stack Web Developer to support the development of our dev team's skills.

The role will involve leading development projects on Fleet's current platform.

As part of Fleet's Tech team, they will be responsible for developing new features and integrating them into the current platform:

Very good level of JavaScript (React + Express)
You are able to write technical specifications for your projects based on business needs
You are able to make pragmatic technical decisions (choice of technology, service provider, build vs. buy, etc.)
You are able to deliver high-quality projects by setting your own deadlines and ensuring their QA
You mentor less experienced developers and push your colleagues to excel
You know how to work with a Product team and have a customer-centric vision

Current initiatives :

Development of our IT security offering (MDM, antivirus, VPN, Password Manager)
Improvement of our app to adapt it to larger hardware fleets (500-1000+)
Development of our internal tools: supply, ops, KYB, contract management, billing, etc.
Improving our sales and marketing tools (tracking, retargeting, mailings, automation, reporting, etc.)
Opening up our API to external partners
Participating in the scaling of our solution for the international market
Improving internal tech processes: implementing unit testing, continuous integration, error management (Sentry), monitoring

Our technical stack:

Front-end: React / Typescript / Tanstack query
Static showcase site in Next.js
Back-end: Express / Typescript
Database: PostgreSQL
Design System: Based on MUI
Code management via GitHub
Continuous integration via GitHub Actions
Data validation with Zod
Form management via React Hook Form
Queue management with Redis

Profil

You are a graduate of a reputable engineering or computer science school
You have initial successful experience in a start-up or scale-up
You are able to work independently on complex projects
You are very attracted to start-ups and the world of entrepreneurship
You have good analytical skills and enjoy solving problems

Interview process

Initial call with Guy, VP Product, to present the position and the company
Case study to be completed at home, used as a basis for discussion during the interview
Feedback and main interview with Robin (senior developer) + Guy (VP Product) at our offices
"Fit" interview with two members of the team you will be working with

About the Company

Fleet simplifies the leasing, administration, and renewal of your IT equipment and office furniture through an all-in-one solution available on a single platform. We replace expensive traditional purchases or complex leasing arrangements with a fixed, transparent monthly subscription that covers: - High-quality leased computers - An easy-to-use fleet management interface via our Cockpit - A guarantee and responsive support in case of issues - Responsible renewal every 3 years, including the management of your computers' seco... Know more