Senior Java Developer (Spring Boot/Shopify) - Portugal Full Remote

HumanIT Digital Consulting · via Himalayas ·

Budget / Salary€2,550–3,350
TypeFull-time job
LocationPortugal
Posted2 hours ago
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: €2,550 – €3,350/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:
Originally posted on Himalayas
java-developer backend-engineer software-engineer api-developer remote-senior-java-developer senior-java-developer-(spring-boot) senior-java-developer-ecommerce
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