Java Full Stack Developer

Quick Facts

• Role: Java Full Stack Developer
• Domain: Financial / payments
• Contract: B2B
• Location / work mode: Warsaw (hybrid; 1–3 days on-site)
• Duration: Minimum 6 months (expected to be extended)

Description

Build and maintain full-stack applications for a high-impact financial/payments project. Work across backend services and frontend experiences using Java (Spring/Hibernate) and Angular, while supporting integrations, microservices, and CI/CD automation. Collaborate with Product, QA, DevOps, and Agile teams throughout the software development lifecycle.

Responsibilities

• Design, develop, and maintain full-stack applications with Java and Angular
• Build and enhance backend services, APIs, and business integrations
• Deliver responsive, user-friendly frontend solutions using Angular and JavaScript
• Develop microservices-based applications and containerized environments
• Participate in design, coding, testing, debugging, deployment, and ongoing maintenance
• Troubleshoot issues and perform root cause analysis
• Ensure code quality via best practices, code reviews, and testing
• Contribute to CI/CD pipeline implementation and automation
• Support integrations using REST APIs, HTTPS, SFTP, and SOAP protocols

Requirements

• 5 to 7 years of experience as a Java Full Stack Developer
• Strong hands-on experience with Java, Spring Framework, and Hibernate
• Experience with Angular and JavaScript for frontend development
• Understanding of REST APIs, SOAP services, HTTPS, and SFTP
• Experience with microservices architecture and containerization
• Familiarity with Linux and command-line environments
• Experience with Git, GitHub, GitHub Actions, Maven, Jenkins, and Jira
• Strong knowledge of MySQL and SQL databases
• Understanding of Agile development methodologies and Scrum
• Strong analytical, troubleshooting, and problem-solving skills
• Excellent verbal and written communication skills
• Proven ability to work effectively with Product, QA, DevOps, and cross-functional teams

Benefits

• Opportunity to work on an international project
• Professional growth and development opportunities
• Collaborative and dynamic working environment
• Long-term cooperation opportunity
• Flexible hybrid work model