Please send the CV in English.
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.
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.
Monitor, debug, and continuously improve backend performance and reliability.
Participate actively in agile ceremonies and help shape our technical roadmap.
6+ years of experience in backend development, ideally in a product-driven, high-traffic environment.




~ Strong proficiency in TypeScript and Node.js .
~ Solid experience with NestJS framework and its ecosystem (modules, guards, interceptors, etc.).
~ Deep knowledge of PostgreSQL , including indexing, query optimization, and schema design.
~ Hands-on experience with Redis .
~ Experience with Google Cloud Platform services or cloud-native deployment patterns.
~ Experience with Prisma ORM or similar ORMs.
~ Understanding of software design patterns, clean architecture, and SOLID principles.
~ Comfortable working in an agile, fast-moving startup environment.
~ Fluent in English.

Backend: NodeJS with TypeScript, NestJS framework, Prisma ORM .
Database: PostgreSQL , Redis (caching).
Infrastructure: Google Cloud Platform (Cloud Run, Pub/Sub, Cloud Storage).
React Native with TypeScript.
BigQuery, Mixpanel, Metabase.
Practices: REST APIs, CI/CD pipelines, code reviews, agile sprints.
WHAT'S IN IT FOR YOU

📌 Backend Developer (España)
🏢 MACADAM TECHNOLOGIES
📍 España