STARTASAP

DURATION> 12 months
Location: Warsaw (hybrid - 1 day a week in the office)
Rate: up to 170 PLN net/hour
Contract: B2B
The Lead Java Developer is responsible for leading and executing Java development tasks in the Payments Data Domain, focusing on optimizing existing services and driving the transition to modern technologies.

KEY REQUIREMENTS:

• Expert in Java (Java8/Java21).
• Expert in designing, developing and optimizing Kafka producer and consumer code.
• Expert in SQL (Oracle, DB2, MSSQL or similar RDBMS).
• Experience building distributed, highly-available and high-throughput applications.
• Hands-on knowledge of domain-driven design, event sourcing architecture patterns, microservices architecture and clean code practices.

• Working as an Expert Java developer (with Apache Kafka) in banking.
• Review, refactor and optimize existing Java services.
• Technical lead for developers/data engineers in a scrum team.
• Contributing to solution architecture, design, and maintainability of applications.
• Designing, building and maintaining near real-time data pipelines.
• Interacting with product owners and stakeholders to clarify requirements and detailed reporting needs.
• Supporting the transition of the existing solutions to a modern tech stack.
• Collaborating with other engineers and properly documenting your design and solutions.