Java Integration Developer

Quick Facts

• Role: Java Integration Developer
• Focus: Integration services and APIs for a microservices-based architecture
• Work style: Hybrid (3 days in office)

Description

You will design, implement, test, and maintain integration flows and APIs, collaborating with architects, analysts, Product Owners, and project teams. You will use CI/CD automation and Kubernetes in daily work, while ensuring quality, security, availability, and performance. The role also offers growth opportunities in API development, asynchronous integration, orchestration, and gradual ownership of complete solutions.

Responsibilities

• Design, implement, test, and maintain integration flows and APIs according to requirements and Definition of Done
• Participate in technical decisions for how to implement integrations and APIs, aligned with architectural standards
• Ensure quality, security, availability, and performance; diagnose issues and eliminate root causes
• Work with architects, analysts, Product Owners, and teams to clarify requirements and align on solutions
• Contribute to estimation, planning, and analysis of technical risks
• Support the team in solving technical problems and share best practices
• Participate regularly in code review; improve code quality standards and software delivery automation

Requirements (MUST HAVE)

• Minimum 4 years of commercial Java development, including practical Java 21+ and Spring Boot
• Experience with integration and API design/implementation using REST, JSON, OpenAPI, OAuth 2.0, JWT; also SOAP and XML
• Experience building asynchronous integrations using Apache Kafka, RabbitMQ, or another message broker
• Experience with API Management platforms: publishing and securing APIs
• Experience developing microservices and deploying them to Kubernetes
• Experience with CI/CD processes, especially Bamboo or Jenkins; working with Git/Bitbucket and Jira; automation of deployments
• Experience writing unit tests using Java testing frameworks
• Experience with PostgreSQL or Oracle, including creating and optimizing SQL queries
• Documented independence in troubleshooting and making technical decisions

Nice to Have

• Experience with Microsoft Azure API Management or an equivalent solution
• Practical experience with Docker, Kubernetes, and Helm
• Experience with Apache NiFi for integration solutions