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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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