Senior Java Developer

Jit Team is a Polish IT company employing over 770 experienced experts, delivering innovative IT solutions in collaboration with global clients. The company has a long-standing partnership with a leading Nordic financial group, engaging over 200 personnel in more than 60 projects. Jit Team emphasizes Scandinavian organizational culture, work-life balance, and international teamwork with English language exposure.

• Extensive experience in Java development, preferably in microservices-based architectures
• Strong understanding of data flows, data sourcing systems, and integration-heavy environments
• Ability to analyze end-to-end processes and understand the impact of changes across interconnected systems
• Experience working in Agile/Scrum teams and collaborating with both technical and business stakeholders
• Strong analytical thinking, problem-solving skills, and ownership mindset
• Excellent communication skills with the ability to challenge, clarify, and refine requirements

Nice to have:

• Experience with Angular or React frameworks
• Knowledge of credit risk, banking systems, or the broader financial services domain
• Familiarity with event-driven architectures, asynchronous communication patterns, and distributed systems
• Experience with performance tuning, optimization, and troubleshooting in data-heavy environments and high-volume processing systems

• Design, develop, and maintain Java-based microservices within the Credit Data Sourcing domain
• Build, optimize, and maintain complex data flows and integrations between multiple systems
• Collaborate closely with Business Analysts, Product Owners, and stakeholders to understand business requirements and translate them into scalable technical solutions
• Participate in requirements refinement, solution design, and technical discussions
• Analyze incidents, perform root cause investigations, and support production environments
• Ensure high-quality code through testing, code reviews, and performance optimization