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

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