????????:As a Mid Backend Engineer, you will design and implement features end to end with increasing autonomy.

You will work in a real high-availability environment with our stack: Java, Spring Boot, MySQL, Redis, RabbitMQ and AWS.

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Technical design and autonomous deployment of features.

Optimize a platform that processes thousands of bookings daily.

Lead advanced testing initiatives (TDD, BDD) and reduce technical debt.

Integrate Claude Code and GitHub Copilot into your day-to-day work.

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+3 years of experience developing with Java/Kotlin.

Proficiency in Spring Framework, Spring Boot and Hibernate/JPA.

Hands-on experience with MySQL, PostgreSQL and Redis.

Design of REST APIs and asynchronous/event-driven architectures (RabbitMQ or similar).

Regular use of Clean Code, SOLID, Pull Requests and CI/CD pipelines.

Monitoring and structured logging (CloudWatch,



Prometheus, Grafana).

Fluency in Spanish and professional proficiency in English.

????? ??????: Experience with Apache Kafka, Elasticsearch or integrating systems with AI (MCP); Previous experience in the hotel industry (PMS or booking platforms)

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Versátil schedule: Monday to Thursday from 8:00 to 16:30 and Friday from 8:00 to 15:00 all year round.

Hybrid model: 1–2 remote work days per week, of your choice.

Extended remote work: option to combine up to 5 remote work days with your vacation.

Your birthday off.

Free coffee, equipped kitchen and team-building activities.

Global team with offices in Barcelona and Ibiza.

#J-*****-Ljbffr

📌 Backend Developer with English, hibrido (Barcelona)
🏢 Randstad Digital España
📍 Barcelona