Java Tech Lead

Middleware Systems

📍 , , Spain, , , Spain, Spain

Full-time Informática y tecnología Posted March 03, 2026

Job Description

MANDATORY SKILLS

  • Strong knowledge of Java and experience in building reliable applications.
  • Extensive experience with Spring and Spring Boot.
  • Strong knowledge of Spring Security.
  • Strong knowledge in reactive stack (Spring WebFlux, Reactor Netty, RXJava ...).
  • Experience in microservices architecture (REST, API Gateway, etc.).
  • Experience with Maven for build and dependency management.
  • Experience with JUnit, TDD, and writing end-to-end tests.
  • Solid understanding of object-oriented programming and design patterns.
  • Experience creating Java libraries for reuse across multiple projects.
  • Strong communication and leadership skills, with the ability to guide a team.
  • Ability to stay informed and up to date with the latest Java and Spring features.
  • English C1.

NICE TO HAVE

  • Experience with OAuth 2.0, JWKS management, and authentication mechanisms.
  • <...