Senior Java Developer (Spring Boot/Shopify) - Portugal Full Remote
ABOUT THE OPPORTUNITY
Join a global software engineering company known for its people-first, politics-free culture, built on lean principles and self-organising teams. As a Senior Java Developer, you'll own solutions end to end, from design to deployment and production support. You'll mentor fellow engineers and help shape the technical direction of large-scale digital commerce platforms. AI-assisted development is encouraged, and engineering craft is what's valued most.
PROJECT & CONTEXT
You'll work on complex, production-level e-commerce systems built around Shopify integrations and event-driven backend services. Your responsibilities will include:
Designing and implementing scalable backend services and APIs
Owning your code through development, deployment and maintenance
Diagnosing and resolving production issues
Challenging business requirements to deliver the best outcomes
Driving adoption of new technologies and contributing to the technology roadmap
Mentoring the team and conducting technical interviews
Working hours are 08:00–17:00 CET. Occasional national or international travel may be required (0–15%, depending on project needs).
WHAT WE'RE LOOKING FOR (Required)
Solid experience as a Senior Java Developer (Java 17+/21) on complex, production-grade backend systems
Proven hands-on experience running, maintaining and troubleshooting Shopify integrations in production
Strong experience with Spring Boot 3.x, building and maintaining scalable services and APIs
Solid experience designing, developing and maintaining GraphQL APIs
Strong hands-on experience with AWS
Fluent English (written and spoken)
Must be based in Portugal
AWS DynamoDB and AWS secrets management solutions (e.g., Secrets Manager)
Apache Kafka or similar event-streaming technologies in asynchronous, event-driven architectures
OpenTelemetry and observability practices (monitoring and distributed tracing)
Experience mentoring engineers and taking part in technical hiring
Compensation: €2000 – €2700/month net, depending on experience and seniority level.
Why HumanIT people stay (4.4 Glassdoor, 89% recommend)
... solutions. The current stack is Java and Spring Boot, running on Microsoft Azure and deployed through Azure DevOps. The shape of the profile A senior Java / Spring Boot engineer who designs, builds and runs services in production - and closely matches every technical requirement below. The client prefers full stack developers. ...
At IRIUM, we want you to always chase your dreams! Here, get ready to achieve your goals while enjoying the journey. We are currently looking for a Backend Developer (Java / Spring Boot) to join an innovative technology project in Lisbon. Required Competencies - Minimum 5 years of professional experience in backend software ...
... along the way. Because when talent, technology, and opportunities connect, possibilities grow. The next step is yours. The possibilities, we build together. Java Developer – Spring Boot / OpenShift Description: We are looking for a Java Developer to participate in the design, development, and maintenance of backend solutions. ...
... your skills. Here's an overview of the technical skills you'll likely have to embark on our team: - 5+ years of working experience in Back-end Development with Java . - Deep expertise in the Spring ecosystem (Spring Boot, REST/gRPC), reactive patterns, and JVM internals (memory barriers, JIT compilation, and Heap management) ...
... your skills. Here’s an overview of the technical skills you’ll likely have to embark on our team: - 5+ years of working experience in Back-end Development with Java . - Deep expertise in the Spring ecosystem (Spring Boot, REST/gRPC), reactive patterns, and JVM internals (memory barriers, JIT compilation, and Heap management). ...
Senior Java Full-Stack Developer (Java/Angular) - Portugal Full Remote ABOUT THE OPPORTUNITY We're looking for a Senior Java Full-Stack Developer to join a product engineering team working for a leading international retail brand. This is a hands-on senior role. You'll design and build scalable backend services and modern ...
... partner company, who manages all applications and next steps. Our partner is looking for a Java Developer Associate based in Portugal. Join a remote team as a Java Developer Associate and contribute to the development and maintenance of desktop and web-based applications. In this role, you will use your Core Java expertise ...
Job Description We're looking for a Java Full Stack Developer to join our team! Main responsibilities: - Full Stack Development of Web applications, REST APIs, Microservices and all SOA layer. - Experiences in migration processes of JAVA Applications to Cloud environments. Functional knowledge in the Banking and/or Financial ...
... along the way. Because when talent, technology, and opportunities connect, possibilities grow. The next step is yours. The possibilities, we build together. Full-Stack Developer – Angular / https://jobeax.com/link/JSd7UYCSg572jJDY / Spring Boot We are looking for a Full-Stack Developer to participate in the design, development, ...
... Acompanhamento próximo, desenvolvimento contínuo e integração numa equipa experiente e orientada para a excelência. A PPM Coachers está a recrutar para a função de Senior Fullstack Developer (Java & Angular)! A tua missão: * Desenvolver e manter aplicações utilizando Java, Spring Framework e Spring Boot. * Conceber e implementar ...