Java Software Engineer
il y a 13 heures
Southampton
Java Backend Engineer (Contract) 6 months Fully remote (EU) Rate: 250–300 EUR/day We are looking for an experienced Java Backend Engineer to join a cross-functional delivery team building a modern data integration layer for a healthcare technology platform. The team is responsible for designing and scaling a GraphQL API layer that connects multiple product domains and unlocks new data workflows. This is a hands-on role with strong engineering standards and autonomy over technical decisions. Responsibilities • Design and build GraphQL and REST APIs with strong performance and clean domain boundaries, • Develop JVM-based services using Spring Boot and modern engineering practices, • Own services through design, implementation, deployment, monitoring and optimisation, • Work closely with Product, QA and DevOps to deliver features end-to-end, • Implement best practices for secure, reliable and maintainable code, • Contribute to performance tuning, caching strategies, pagination, resilience patterns and service health, • Participate in code reviews and knowledge sharing within the team Required skills • Solid hands-on experience with Java (11+) and Spring Boot in production, • Strong understanding of concurrency, collections and JVM fundamentals, • Experience with RESTful APIs; GraphQL experience beneficial, • SQL and NoSQL experience (e.g., PostgreSQL, MySQL, MongoDB, Redis), • Familiarity with Kafka or RabbitMQ for event-driven integration, • Comfortable with CI/CD pipelines and cloud environments (AWS/Azure/GCP), • Strong testing mindset (unit, integration, contract) and automation awareness, • Understanding of OAuth2/OIDC, JWT and general security patterns, • Familiarity with observability tools (OpenTelemetry, Prometheus, Grafana, ELK etc.) Nice to have • Previous work with healthcare or regulated environments, • Experience in distributed systems or platform teams, • Experience mentoring or supporting engineering peers Offer • 6-month contract, • Fully remote work within the EU, • Daily rate 250–300 EUR depending on experience, • Opportunity to work with a modern architecture and high-impact domain Ideal Start: ASAP Availability: EU-based contractors only