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Timeleft

Senior Fullstack Engineer

Hybrid

Paris, France

Senior

Full Time

01-12-2025

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Skills

PostgreSQL Monitoring react NodeJs Recruitment Nextjs Full-Stack Development Web Development Terraform FireBase

Job Specifications

⌘Role Overview

We’re hiring a true full-stack engineer who can confidently drive feature delivery using (NestJS) and web development (NextJS/React). You’ll work across the stack — building APIs, integrating Firestore/Supabase, and shipping web-first features end-to-end. This role is perfect for someone who thrives in a product-driven, fast-moving environment with full ownership of delivery.

⌘Key Responsibilities

Design and implement robust APIs using NestJS + Supabase + Firestore
Build and maintain key web features in NextJS, including data flows, navigation, and auth
Own end-to-end features — Backend / Web
Help to create features into iterative way with understanding of backend impact
Collaborate with product and design to shape web-first experiences
Review code, drive standards, and mentor less experienced engineers

⌘Requirements

Must have:

6+ years of full-stack development experience, with deep knowledge of NodeJS/NestJS and NextJS
Strong experience with PostgreSQL (Supabase), and Firebase (Firestore)
Proven track record of building and shipping features on both backend and mobile
Experience designing APIs and integrating them into web
Ability to work independently on full features and systems with high accountability
Comfortable with debugging, monitoring, and maintaining production systems

Nice to have:

Google Cloud Experience
Terraform / Infrastructure
React Native

⌘ What’s in it for you?

A front-row seat in an exciting, fast-growing start-up.
Employee stock options.
The opportunity to develop your position and responsibilities as Timeleft grows.
Take part in Timeleft dinners and see for yourself the impact we have on people's lives.
Help fight the loneliness epidemic in big cities.

⌘ Recruitment Process

Introduction Interview (30 min): A conversation with Talent Acquisition Lead to discuss your experience, career goals, and how they align with our mission at Timeleft.
1st Technical Interview (30min): Discussion with Senior Fullstack Engineer about your experience and technical skills.
2nd Technical Interview (1h): Discussion with Lead Backend Engineer about your experience and technical skills.
Final Interview (30 min): Discussion with Head of Engineering about your skills and how you'd fit with the team.

About the Company

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