Java Software Engineer

Senior Java Developer – Microservices \| Stockholm \| Contract We are currently supporting a client in Stockholm who is looking for a Senior Java Developer to join a high\-performing engineering team working on modern distributed systems and microservices architecture. This is a contract opportunity focused on building scalable backend services, improving platform performance, and supporting the rollout of services across multiple markets. **Role Details** * Location: Stockholm (onsite / hybrid 2/3 days a weel) * Rate: 600 SEK per hour * Role: Java Engineer **Key Responsibilities** * Design, build and maintain Java\-based microservices within a modern distributed architecture * Develop orchestration services and scalable backend systems * Build and maintain REST APIs and asynchronous integrations using messaging technologies * Conduct code reviews and contribute to engineering best practices * Improve observability, monitoring and performance of services * Support production environments and market rollouts **Key Skills** * Strong experience with Java and Spring Boot * Experience building microservices and orchestration services * Hands\-on development of REST APIs and event\-driven integrations (Kafka, JMS, Solace or similar) * Experience implementing OAuth authentication and authorization * Knowledge of observability tooling (Grafana, Prometheus, ELK, OpenTelemetry or similar) * Strong SQL skills including schema design and query optimisation * Experience with unit testing frameworks such as JUnit and Mockito * Familiarity with ServiceNow / ITSM processes If you are a solid Java Developer with strong microservices experience and interested in a Stockholm\-based contract opportunity, please get in touch to discuss further.