Tech Lead Java, WARSZAWA

Leadership & Soft Skills:

• Exceptional communication and coordination skills.
• Proven ability to identify the technical critical path and take decisive steps to ensure successful delivery.
• A strong sense of ownership, multitasking abilities, and a highly proactive, self-sufficient mindset.

Technical Expertise:

• Strong command of Java (from version 11 up to 25) and advanced concepts, including memory management, concurrency, and JDBC.
• Extensive experience with the Spring ecosystem (Spring Boot 2 to 4) and JPA/Hibernate.
• Solid RDBMS experience, with a specific focus on Oracle SQL development and query optimization.
• Deep understanding of microservices architecture, asynchronous messaging systems, and web communication (REST, OpenAPI/Swagger, and API-First approach).
• Everyday proficiency with Git and Maven.
• Sound knowledge of backend security practices and a commitment to writing clean, high-coverage unit and integration tests.
• Fluency in English (both written and spoken).

Nice to Have

• Hands-on experience with cloud-native and infrastructure tools like Kubernetes, Ansible, or OpenSearch.
• Familiarity with build and deployment automation (CI/CD via Jenkins, SonarQube).
• Experience implementing automated testing frameworks.
• Past involvement in high-level technical architecture and design.
• Experience working within geographically distributed, international teams.