Senior Java Developer (Java 17/21, Spring, Azure) - Portugal Full Remote

Senior Java Developer (Java 17/21 · Spring Boot · Azure) - Portugal Full Remote

ABOUT THE OPPORTUNITY

We're looking for a Senior Java Developer to join a respected international software engineering company known for its people-first, lean and self-organised culture: no politics, just great engineering. You'll be a technical reference within your team, owning your code from development to production, mentoring others, and helping shape the technical direction of large-scale digital products used by customers worldwide.

This company encourages the use of AI tools for coding and related tasks, but values strong engineering fundamentals above all. Transparency about AI use during the interview process is expected.

PROJECT & CONTEXT

You'll join a cross-functional, agile team delivering high-quality solutions for international clients, often in e-commerce and retail. The exact tech stack depends on the project. Your responsibilities will include:

• Taking part in every stage of delivery and mentoring the development team through knowledge sharing
• Owning your code end to end, from development and deployment to maintenance
• Diagnosing production issues and designing solutions for them
• Contributing to solution design, architecture and implementation
• Challenging business requirements to get the best possible outcome
• Driving the adoption of new technologies and influencing the technology roadmap
• Conducting technical interviews within your area of expertise
• Occasional national and international travel (0–15%, depending on project and client needs)

WHAT WE'RE LOOKING FOR (Required)

• 7+ years of experience with Java, including Java 17 and Java 21
• Solid experience with Spring (Spring Boot, Spring Cloud, Spring Cloud Data Flow) or Micronaut
• Strong knowledge of Microservices, Web Services and SOA architectures
• Experience with REST APIs and GraphQL Federation
• Monitoring and observability experience with OpenTelemetry, Dynatrace or similar tools
• Proficiency with Gradle
• Hands-on unit testing, integration testing and TDD
• Cloud experience with Azure, Terraform, Docker, Kubernetes and GitHub Actions
• Database experience with MongoDB and MySQL
• Familiarity with JIRA, Confluence, Jenkins, Nexus Pro or similar ALM tools
• Agile practices: Scrum/Kanban, BDD/TDD, CI/CD, DevOps and Pair Programming
• Strong command of design patterns for scalable, maintainable solutions
• Fluent English (spoken and written)
• Must be based in Portugal

NICE TO HAVE (Preferred)

• Experience with Product Information Management or Master Data Management platforms (e.g., Stibo STEP)
• Background in e-commerce or retail
• Kotlin experience

Why HumanIT people stay (4.4 Glassdoor, 89% recommend)

• 15th month salary
• Health insurance covering your family
• Birthday off
• Mobility program for digital nomads
• Real work-life balance

Full benefits: https://www.humanit.pt/careers/#perks
What it's really like: https://www.humanit.pt/careers/#work-at