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November 3, 2026
Senior Java Developer
Senior • Remote
150 - 180 PLN/yr
Warsaw, Poland
Quick Facts
- Role: Senior Java Developer
- Domain: Gaming and lotteries platform (global scale)
Description
Design, develop, and deliver high-quality software solutions, including architecture for complex technical challenges. Write unit tests, participate in code/design reviews, and provide technical guidance, documentation, and problem-solving support. Collaborate with distributed cross-functional teams and drive continuous improvement by developing tools that enhance workflow efficiency.
Responsibilities
- Design, develop, and deliver high-quality software solutions
- Architect solutions for complex technical challenges
- Write unit tests and participate in code/design reviews
- Provide technical guidance, documentation, and problem-solving support
- Collaborate with cross-functional and distributed teams to deliver projects on time
- Drive continuous improvement and develop tools to enhance workflow efficiency
Requirements
- Proficiency in Java, J2EE, Spring Boot, JPA, Hibernate, and RESTful services
- Strong knowledge of relational databases, particularly PostgreSQL
- Familiarity with software debugging tools and troubleshooting techniques
- Solid understanding of Object-Oriented Programming and Concurrent Programming concepts
- Hands-on experience with version control systems, preferably Git
- Practical experience with Docker and Kubernetes development environments
- Knowledge of event streaming, CQRS, and Apache Kafka
- Good English communication skills (B2/C1)
- Bachelor’s degree in Computer Science, Computer Engineering, or similar technical field
- Experience with design patterns, code quality practices, and unit testing (advantage)
Benefits
- Long-term relationships based on fair principles and reliability
- Co-financing of the Multisport card and Medicover private healthcare
- Modern office available
- Team bonding activities, internal courses, conferences, certifications
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