Senior Java Backend Engineer

About the job Senior Java Developer (Java *, Spring, Azure) - Full Remote Portugal
ABOUT THE OPPORTUNITY
We are looking for a Senior Java Developer to join a high-performing international engineering team focused on building scalable digital products and modern cloud-native platforms.
This opportunity is ideal for professionals passionate about software craftsmanship, collaborative problem-solving, and delivering robust backend solutions in fast-paced Agile environments.
You will work alongside experienced engineers in a culture that values autonomy, technical excellence, continuous learning, and innovation.
The role offers the opportunity to contribute across the full software development lifecycle, from architecture discussions and implementation to deployment, monitoring, and production support.
Beyond coding, you will also help mentor team members, contribute to technical decisions, and influence engineering best practices.
PROJECT & CONTEXT
The project environment is based on modern distributed systems and microservices architectures, leveraging Java 17 and Java 21 in cloud-native ecosystems.
Teams operate using Agile methodologies with strong DevOps principles, CI/CD automation, observability, and collaborative engineering practices.
You will contribute to the design and development of scalable APIs and backend services while working closely with cross-functional teams including Product Managers, DevOps Engineers, QA Engineers, and Software Architects.
The engineering culture promotes ownership, innovation, continuous improvement, and high-quality delivery standards.
WHAT WE'RE LOOKING FOR (Required)
Minimum 7 years of professional experience with Java development
Strong experience with Java 17 and Java 21
Hands-on experience with Spring ecosystem, including Spring Boot, Spring Cloud, and Spring Data Flow, or experience with Micronaut
Strong understanding of Microservices, Web Services, and Service-Oriented Architecture (SOA)
Experience developing REST APIs and GraphQL Federation services
Experience with observability and monitoring tools such as OpenTelemetry and Dynatrace
Proficiency with Gradle build automation
Experience with unit testing, integration testing, and Test-Driven Development (TDD)
Experience with Azure Cloud environments
Hands-on experience with Docker, Kubernetes, Terraform, and GitHub Actions
Experience working with MongoDB and MySQL databases
Familiarity with JIRA, Confluence, Jenkins, Nexus Repository, or similar ALM tools
Strong understanding of Agile methodologies including Scrum and Kanban
Experience with DevOps practices, CI/CD pipelines, BDD/TDD, and Pair Programming
Solid knowledge of software design patterns and scalable application design
Strong problem-solving and analytical skills
Fluency in English
NICE TO HAVE (Preferred)
Experience mentoring junior or mid-level developers
Previous involvement in technical interviews and hiring processes
Experience troubleshooting production environments and optimizing system performance
Exposure to large-scale distributed systems and high-availability platforms
Knowledge of additional observability or cloud-native tooling
Experience contributing to technical roadmaps and architecture decisions
Strong interest in innovation, continuous improvement, and engineering best practices
Compensation: €2,450 – €3,250/month net, depending on experience and seniority level.
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
What it's really like