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November 4, 2026

Senior Java Developer

Senior • On-site

Lisbon, Portugal

Quick Facts

  • Role: Senior Java Developer

  • Focus: Java backend development, mentoring, CI/CD, application architecture

Description

Join the establishment of a Java Center of Excellence and contribute to building and maintaining Java backend applications in a collaborative, innovative environment. You will mentor junior developers, help with onboarding, and participate in CI/CD and application architecture discussions, including microservices and hexagonal approaches. The team works in a horizontal structure with no traditional management hierarchy.

Responsibilities

  • Help establish a center of excellence

  • Develop and maintain Java backend applications

  • Mentor and coach junior team members

  • Facilitate onboarding and act as a role model

  • Collaborate within a horizontal organization

  • Participate in CI/CD practices and application architecture discussions

Requirements

  • Higher education degree

  • 5+ years of Java backend development experience

  • Proficiency with Spring or Spring Boot

  • Experience with relational databases (Oracle, PostgreSQL) and SQL

  • Familiarity with JPA and Hibernate

  • Knowledge of application architecture (microservices-based, hexagonal, etc.)

  • Proficiency with CI/CD tools

  • English proficiency at B2 level

Benefits

  • Work model: 4 days in-office initially, then 3 days in-office and 2 days remote

  • Work schedule: 43 hours/week in winter and 39 hours/week in summer, with additional compensation days

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