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Tech Lead Java

Lumen Dynamics · Warszawa · Posted 2d ago

hybridlead150-180 pln🇵🇱 Poland
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About the role

Java Tech Lead We are looking for a seasoned Java Developer with natural leadership qualities. In this role, you won't just write clean, scalable code—you will champion the technical direction, unblock your engineering team, and act as a bridge between technical execution and business vision. Key Responsibilities Technical Leadership: Spearhead architectural and solutioning discussions with stakeholders to map out the best technical paths. Team Empowerment: Actively remove bottlenecks within the delivery pipeline and mentor team members to help elevate their technical skills. Quality Assurance: Guard technical standards, ensuring all deliverables align with security benchmarks, code quality metrics, and engineering best practices. Backend Development: Drive hands-on development across multiple applications, tackling both brand-new greenfield projects and the evolution of existing systems. Collaboration & Process: Drive proactive technical analysis, conduct thorough code reviews, and actively participate in Scrum ceremonies. Requirements 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.

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FAQ

Is the Tech Lead Java role at Lumen Dynamics remote?+

This Tech Lead Java position is listed as hybrid (Warszawa).

What is the salary for the Tech Lead Java role at Lumen Dynamics?+

The listing states 150-180 pln.

What seniority level is this Tech Lead Java role?+

This is a lead level position.

How do I apply for the Tech Lead Java role at Lumen Dynamics?+

Use the "Apply on justjoinit" button to open the original posting on justjoinit, where you can submit your application directly to Lumen Dynamics.