03 Java/Kotlin Developers (All level, English)

Top 3 reasons to join us

• Dynamic and international working environment
• Hybrid working model and good work-life balance
• Attractive salary and benefits

Job description

About Us
At Topicus, we believe IT should serve society. From healthcare and education to finance, our solutions empower millions of people daily by turning complex challenges into user-friendly platforms. We don’t just build software; we increase self-reliance and reduce vulnerability for citizens worldwide.
With a team of over 1,500+ "Topicans" across Southeast Asia (Vietnam & Thailand) and Europe (the Netherlands, Romania, Portugal, and Iceland), we are constantly expanding our horizons. Our ambition reaches far beyond Europe, driven by a shared mission to make a meaningful difference.

About the Role
 

You will contribute to our digital consultation platform that allows patients to securely contact their GP online. Through the platform, patients can describe symptoms, share measurements (such as blood pressure or glucose levels), and receive medical advice without always needing a physical visit. It’s fully integrated with regional health systems and GP information systems, helping healthcare providers work more efficiently and focus more on patient care.
 

Key Responsibilities

• Develop backend services using Kotlin/Java + Spring Boot.
• Implement microservices and event-driven architecture using AWS queuing services.
• Apply Domain-Driven Design concepts into system design.
• Ensure software quality through unit testing & integration testing.
• Work with CI/CD pipelines via Github Actions.
• Collaborate with DevOps for deployments on AWS, Docker, Kubernetes.
• Collaborate with the front-end team and contribute to features with Angular.
• Build reusable Angular components using Nx monorepo setup.
• Work with Module Federation to build scalable frontend architecture.

Your skills and experience

• 1-5+ years of experience in Kotlin or Java using Spring Boot.
• Hands-on experience with PostgreSQL.
• Understanding of Microservices architecture, Domain-Driven Design (DDD), and event-driven architecture using AWS queuing.
• Experience with unit testing (Jest) and integration testing (Cypress).
• Experience using GitHub Actions for CI/CD.
• Strong problem-solving skills and good English communication in an international working environment.

Nice-to-have

• Experience with Angular, Nx monorepo, Module Federation or other modern front-end frameworks and willing to be Fullstack.
• Experience working with Docker, AWS, Kubernetes.
• Experience with monitoring tools such as Datadog.

Why you'll love working here

• Attractive salary (annual salary review).
• Fixed 13th-month salary and performance bonus.
• Full salary during probation and full coverage of social insurance.
• Hybrid working model and good work-life balance.
• Premium healthcare (with annual health check-up).
• 16 days of annual leave per year.
• 5 paid sick leave days.
• Dynamic and international English-speaking working environment.
• Regular gatherings (happy hour, bimonthly dinner, social events, etc.).
• Annual company trip.
• Fully stocked pantry with coffee and snacks.
• Budget for team activities.
• Supportive and diverse work environment that promotes continuous learning.
• Opportunity for traveling and training in the Netherlands.