Senior Full Stack Developer (Java + Angular)

Quick Facts

• Role: Senior Full Stack Developer (Java + Angular)
• Domain: Cards and Payments (microservices)
• Work model: Hybrid (2/3 days per week on-site from Gdańsk/Warsaw)
• Contract: B2B (salary 1000–1300 PLN/day)

Description

You will deliver modern Cards and Payments solutions in an international team, owning features end-to-end from requirements analysis through production verification. The work combines full-stack development with technical ownership, automation, security, and DevSecOps practices, including REST API integrations and microservices-based architecture. You’ll also improve CI/CD, testing automation, observability/performance, and create and maintain technical documentation while leveraging AI-assisted tools.

Responsibilities

• Take end-to-end ownership of feature delivery from analysis to production verification
• Translate business requirements into technical designs and implementation approaches
• Design, develop, test, and maintain applications using Java, Spring Boot, Angular, Kafka, SQL, Docker, and Kubernetes
• Build and enhance microservices-based solutions
• Develop and maintain REST APIs and internal/external system integrations
• Build and enhance automated tests, test frameworks, and automation scripts
• Ensure strong test coverage across unit, integration, API, and regression testing
• Participate in Agile ceremonies, refinement, estimation, and planning
• Troubleshoot production incidents, performance issues, and integration challenges
• Identify and remediate security vulnerabilities and follow secure coding practices
• Improve CI/CD pipelines and delivery automation
• Optimize performance, scalability, resilience, and observability
• Create and maintain technical and operational documentation
• Support code reviews and contribute to engineering excellence
• Use AI tools such as GitHub Copilot and Microsoft 365 Copilot

Requirements

• 8+ years of commercial experience in Full Stack Java Development
• Strong Java/Spring Boot/Microservices and REST API experience
• Hands-on Angular and Angular Material experience
• Kafka and SQL database experience
• Docker and Kubernetes experience
• Git, Bitbucket, Jenkins, and CI/CD experience
• Automated tests and automation framework experience
• OWASP knowledge, secure coding principles, and vulnerability remediation
• Experience with SAST and dependency scanning (including container security findings)
• Strong troubleshooting and problem-solving skills
• Agile/Scrum experience
• Basic knowledge of AI-assisted development tools (or willingness to adopt them)

Benefits

• Flexible work organization
• International environment with daily English usage
• Scandinavian culture focused on work-life balance and time for training (financed)
• Integration meetings through the Jit community