Macadam is a movement powered by over 15 million users who walk every day with us. We’re here to make walking more rewarding, engaging, and consistent - not just a habit, but something people genuinely enjoy.

Rooted in thoughtful design, our approach helps people stick with healthier routines by making them feel simple, motivating, and fun. As we grow, we’re focused on deepening our impact: supporting our community with smarter tools, richer experiences, and more reasons to keep moving.

If you’re passionate about building products that improve lives at scale, we’d love to meet you.

THE ROLE

As a Senior Backend Developer at Macadam, you will be at the core of our engineering team, designing and maintaining the server-side infrastructure that powers our app for millions of walkers worldwide. You’ll work closely with our mobile, product, and data teams to deliver reliable, high-quality features at scale.

This role is based in Barcelona. We’re looking for candidates who are already living in the city.





WHAT YOU'LL DO

- Design, build, and maintain robust RESTful APIs and backend services using NestJS.
- Architect and optimize data models and queries on PostgreSQL for performance and scalability.
- Implement and manage Redis caching strategies to ensure responsiveness at scale.
- Leverage Google Cloud Platform services (Cloud Run, Pub/Sub, Cloud Storage, etc.) to deploy and operate backend infrastructure.
- Collaborate closely with the React Native mobile team to define and iterate on API contracts.
- Contribute to code reviews, technical documentation, and engineering best practices.
- Monitor, debug, and continuously improve backend performance and reliability.
- Participate actively in agile ceremonies and help shape our technical roadmap.
- Leverage AI tools to optimize your workflows

WHAT YOU'LL BRING

- 6

📌 Senior Backend Engineer (Barcelona)
🏢 MACADAM
📍 Barcelona