Java Full Stack Developer

🚀 Senior Full Stack Java Developer📍 Hybrid | 1 day from the office in Gdańsk or Warsaw Are you an experienced Full Stack Developer passionate about building secure, scalable applications and leveraging the latest AI-powered development tools? Join our team and help shape innovative solutions within the payments and fintech space.We're looking for a Senior Software Engineer who combines strong Java expertise with a modern engineering mindset and enthusiasm for Agentic AI technologies such as GitHub Copilot, ChatGPT, Claude, and Cline.💡 Your MissionAs a Senior Full Stack Java Developer, you will:🔧 Development &

• EngineeringDesign, develop, and maintain enterprise-grade full-stack applications.Build scalable backend services using Java, Spring Boot, and Spring Security.Develop modern, responsive user interfaces using React, Angular, or Vue.js.Optimize database interactions using Hibernate/JPA.Design and implement secure solutions for handling sensitive financial data.Participate in the full software development lifecycle—from concept to deployment.🤖 AI-Powered DevelopmentUtilize Agentic AI tools to accelerate development and improve code quality.Apply AI solutions for coding, testing, documentation, and troubleshooting.Explore and adopt emerging AI technologies to enhance engineering efficiency.Share AI best practices and drive innovation within the team.⚙️ CI/CD &
• DevOpsBuild and maintain Jenkins CI/CD pipelines.Automate testing, deployment, and release processes.Improve development workflows and delivery speed.✅ Quality &
• TestingCreate and maintain unit and integration tests using JUnit and Mockito.Participate in code reviews and quality assurance initiatives.Debug and solve complex technical challenges.🤝 CollaborationWork closely with Product Managers, QA Engineers, Designers, and fellow Developers.Participate in Agile/Scrum ceremonies.Contribute to technical documentation and knowledge sharing.🎯 Must-Have SkillsBackend✔️ 5 years of commercial Java development experience✔️ Strong expertise in:JavaSpring BootSpring SecurityHibernate/JPA✔️ Experience building RESTful APIs✔️ Experience with microservices and distributed systemsFrontend✔️ Solid knowledge of:HTML5CSS3JavaScript✔️ Hands-on experience with:ReactAngularVue.jsDevOps &
• Infrastructure✔️ Jenkins CI/CD✔️ Docker &
• Kubernetes✔️ MySQL, PostgreSQL, or OracleEngineering Practices✔️ Software architecture and design patterns✔️ Agile/Scrum methodologies✔️ Understanding of cryptography, encryption, digital signatures, and key management⭐ Nice to HaveExperience with AWS, Azure, or GCPAndroid or iOS development experienceOpen-source contributionsTechnical blogging or community involvement💳 FinTech &
• Payments Experience2 years in fintech, payments, or financial services will be great (nice to have)Knowledge of ISO 8583, EMV, and PCI DSSExperience with HSMs and key management systemsFamiliarity with tokenization and real-time payment systemsUnderstanding of financial compliance and regulations🎁 What You'll Get✨ Opportunity to work on innovative fintech products✨ Exposure to cutting-edge AI-powered development practices✨ Hybrid work model (Gdańsk or Warsaw)✨ Collaborative and supportive engineering culture✨ Influence on architecture and technical decisions✨ Continuous learning and professional growth opportunities🚀 Ready to build the future of fintech with AI-enhanced engineering?Apply now and join a team where modern technology, innovation, and engineering excellence come together.