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BUILD THE FUTURE WITH PLAY PORTFOLIO COMPANIES

Senior Fullstack Engineer

Timeleft

Timeleft

Software Engineering
Europe · Remote
Posted on Jan 8, 2026

⌘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.