Senior Java Developer - One Portal Tribe

Join an international SCRUM team responsible for the backend service of T-Mobile's business customer self-service platform, focusing on Java/Spring backend development.

• Minimum 5 years of experience programming in Java (microservices) and Spring
• Experience developing solutions running on AWS
• Very good knowledge of Java 21+, Spring Boot, Spring Cloud, Spring Data, Spring Security, Spring Feign
• Ability to design data models and use databases such as PostgreSQL, MongoDB, Redis
• Experience in optimal service design and selection of appropriate design patterns
• Ensure high quality and performance of delivered code
• Knowledge and application of good programming practices
• Create automated tests (unit and integration) using JUnit, Wiremock, Mockito
• English language proficiency sufficient for team communication
• Knowledge of hexagonal architecture is a plus

• Responsible for backend development of the WEB product in hexagonal and microservice architecture
• Design internal service architecture and integration with external systems
• Create new functionalities
• Implement improvements, changes, and optimizations
• Collaborate with designers, frontend and backend developers, and testers