Senior Java Full-Stack Developer

📍 Hybrid | 1 day/week from Warsaw or Gdańsk Are you a passionate Senior Java Full-Stack Developer who enjoys building scalable systems and working with modern technologies? Do you like collaborating with international teams while still having the flexibility of a hybrid model? If yes, we’d love to meet you! What You’ll Be Doing • Design, develop, and maintain high-quality full-stack solutions using Java and modern frameworks • Build and evolve microservices-based architectures • Develop and integrate RESTful APIs and backend services • Work with relational databases and ensure optimal performance • Implement logging and metrics instrumentation to enable real-time monitoring and troubleshooting • Collaborate closely with cross-functional, distributed teams in an Agile environment • Contribute to CI/CD pipelines and help shape scalable, reliable architectures • Share knowledge, mentor others, and actively participate in technical discussions What You Bring • Strong hands-on experience with Java, Spring Boot, and JEE technologies • Solid front-end skills with React or Angular and JavaScript • Experience with Node.js and shell scripting • Good understanding of Microservices architecture • Experience working with REST APIs and relational databases • Comfortable working in Unix/Linux environments • Experience with Git and Bitbucket • Strong understanding of Agile development practices • Proven experience working with remote, international teams • Excellent communication skills and a collaborative, team-player mindset Nice to Have • Experience designing solutions with CI/CD in mind • Leadership mindset and the ability to clearly explain complex technical concepts