Senior Software Engineer (Java)Work Model: Remote with visits to Warszawa, Gdańsk or Wrocław office once per monthSalary: 150-180 pln/h on B2B Join our expanding engineering team supporting a strategic initiative in the financial domain. As a global tech partner with over 30 years of experience, we help leading organizations modernize their systems and deliver top-tier digital solutions. We’re looking for a Senior Software Engineer (Java) who thrives in ownership-driven environments and enjoys solving complex technical challenges. What You’ll Do• Design and build scalable back-end solutions using Java and Spring Boot• Own the full software development lifecycle: from requirements gathering to deployment and monitoring• Collaborate with cross-functional teams and stakeholders• Drive engineering excellence and mentor others What You Bring• Proficiency in Java, with strong experience in Spring Boot, Kafka, Docker, and Kubernetes• Solid knowledge of Hibernate and Microservices architecture• Experience with CI/CD tools (Jenkins, GitHub Actions) and cloud platforms (AWS, Azure, or GCP)• Strong understanding of unit testing, REST APIs, and security best practices• Excellent communication skills, team collaboration, and ownership mindset• Fluent in English• Must be located in Poland Agile Experience• Hands-on experience with Agile/Scrum methodologies• Comfortable working in fast-paced environments with evolving priorities Nice to Have• Background in financial services Why Join Us• Remote-first work model• Work in international teams (Poland, UK, US)