About us:
BetterMe — an all-in-one well-being ecosystem empowering millions to become better — physically, mentally, and emotionally. We build what makes people better and keep challenging ourselves to inspire others.
We are looking for a Backend Engineer to join our Core team and help build reliable, scalable backend solutions for a product used by millions of users. This role combines developing new features, optimizing existing services, and contributing to the evolution of the system architecture.
Your impact:
- Develop new backend functionality using Go as the primary programming language, with occasional work on the PHP codebase (~80/20).
- Migrate business logic from legacy PHP monoliths to Go-based services.
- Ensure the stability, performance, and reliability of production systems.
- Contribute to infrastructure improvements, including CI/CD, observability, and operational excellence initiatives.
- Collaborate closely with product teams and stakeholders to deliver end-to-end solutions within the domain.
- Conduct code reviews with a focus on best practices, code quality,



and maintainability.

About you:
- 5+ years of experience in backend development.
- 2+ years of commercial experience with Go (Golang).
- Experience working with PHP, preferably Symfony or Laravel.
- Strong understanding of idiomatic Go patterns, best practices, and application design principles.
- Actively use AI tools (e.g., Claude Code, Codex, Cursor) in your daily development work to improve workflows and automate tasks.
- Experience with relational databases such as MySQL and/or PostgreSQL.
- Experience with asynchronous messaging systems (RabbitMQ, Apache Kafka, Amazon SQS, or similar).
- Experience with caching and in-memory data stores (Redis / AWS ElastiCache).
- Exposure to infrastructure and operations, including Kubernetes, CI/CD pipelines, observability, and production troubleshooting.
- Experience working with Linux and Docker.
- Ability to write and maintain unit tests, ensur

📌 Backend Engineer Core Team (España)
🏢 Betterme
📍 España