Senior Full Stack Developer (Java + Angular)

Jit Team; Warszawa; Hybrid; PLN 185,000 - 258,000; Full time

Benefits offered by this job

Flexible work arrangement

International environment

Scandinavian culture of balance

Regular integration meetings

Job summary

Jit Team in Poland is seeking a Senior Full Stack Developer (Java + Angular) to join an international Cards and Payments project. You will work in a hybrid model, splitting time between office and remote, and will translate business requirements into scalable software in a modern microservices environment.

You will design and implement features using Java, Spring Boot, Angular, Kafka, SQL, Docker, and Kubernetes, drive secure coding practices, and contribute to CI/CD improvements while

Qualifications

• 8+ years of commercial Full Stack Java development experience.
• Strong experience with Java, Spring Boot, microservices, REST APIs.
• Hands-on Angular experience and Angular Material.
• Experience with Kafka and SQL databases.
• Experience with Docker, Kubernetes, Git, Bitbucket, Jenkins, CI/CD.
• Knowledge of OWASP and secure coding; remediation of vulnerabilities.
• Experience with SAST, dependency scanning, and container security findings.
• Strong troubleshooting, problem-solving; Agile/Scrum experience.
• Basic knowledge of AI-assisted development tools or willingness to adopt AI.

Responsibilities

• Take end-to-end ownership of feature delivery from requirements 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 microservices-based solutions following engineering best practices.
• Develop and maintain REST APIs and integrations with internal and external systems.
• Build and maintain automated tests, test frameworks, and automation scripts.
• Ensure test coverage across unit, integration, API, and regression testing levels.
• Participate in Agile ceremonies, technical refinement, estimation, and planning.
• Troubleshoot production incidents, performance issues, and integration challenges.
• Identify and remediate security vulnerabilities and drive secure coding practices.
• Improve CI/CD pipelines and software delivery automation.
• Optimize performance, scalability, resilience, and observability of applications.
• Create and maintain technical and operational documentation.
• Support code reviews and contribute to engineering excellence.
• Leverage AI tools such as GitHub Copilot and Microsoft 365 Copilot.

Skills

Full Stack Java

Java

Spring Boot

Microservices

REST APIs

Angular

Kafka

SQL

Docker

Kubernetes

Git

Bitbucket

Jenkins

CI/CD

Automated tests

OWASP

Secure coding

SAST

Dependency scanning

Container security

Agile/Scrum

AI Copilot

Tools

Docker

Kubernetes

Git

Bitbucket

Jenkins

CI/CD

Job description

Senior Full Stack Developer (Java + Angular)

Salary: 1000-1400 PLN/day on B2B

Work model: hybrid fromGdańsk / Warszawa(2/3 days per week from the office)

Why choose this offer?

• You can expect a flexible work organization
• The international work environment will give you the opportunity to interact with the English language on a daily basis
• Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
• The Jit community will bring you a nice time during regular integration meetings

Project

Join an international team delivering modern solutions within the Cards and Payments domain. The role combines full-stack development, technical ownership, automation, security, and DevSecOps practices. You will be responsible for translating business requirements into scalable technical solutions and driving feature delivery from analysis through development, testing, deployment, and production support.
Working in a modern microservices environment, you will collaborate with cross-functional teams while leveraging AI-assisted development tools to improve software quality, engineering efficiency, and operational excellence.

Responsibilities you'll have

• Take end-to-end ownership of feature delivery from requirements analysis to production verification
• Analyse business requirements and translate them 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 following engineering best practices
• Develop and maintain REST APIs and integrations with internal and external systems
• Build and maintain automated tests, test frameworks, and automation scripts
• Ensure adequate test coverage across unit, integration, API, and regression testing levels
• Participate in Agile ceremonies, technical refinement, estimation, and planning
• Troubleshoot production incidents, performance issues, and integration challenges
• Identify and remediate security vulnerabilities and drive secure coding practices
• Improve CI/CD pipelines and software delivery automation
• Optimize performance, scalability, resilience, and observability of applications
• Create and maintain technical and operational documentation
• Support code reviews and contribute to engineering excellence
• Leverage AI tools such as GitHub Copilot and Microsoft 365 Copilot

Expected competences and knowledge

• 8+ years of commercial experience in Full Stack Java Development
• Strong experience with Java, Spring Boot, Microservices, and REST APIs
• Strong hands-on experience with Angular and Angular Material
• Experience with Kafka and SQL databases
• Experience with Docker, Kubernetes, Git, Bitbucket, Jenkins, and CI/CD
• Experience developing automated tests and automation frameworks
• Knowledge of OWASP, secure coding principles, and vulnerability remediation
• Experience working with SAST, dependency scanning, and container security findings
• Strong troubleshooting and problem-solving skills
• Experience working within Agile/Scrum environments
• Basic practical knowledge of AI-assisted development tools, such as GitHub Copilot, or a strong willingness to explore and adopt AI for development, testing, documentation and automation

Nice to have knowledge and experience

• Experience in banking, cards or payments
• Experience with cloud platforms and cloud-native development
• Experience with DevSecOps and vulnerability management
• Experience with performance tuning, monitoring and observability
• Experience with technical mentoring, code reviews and coaching

Technologies you'll work with

• Java
• Spring Boot
• Microservices
• Angular
• Angular Material
• Kafka
• SQL
• REST API
• Docker
• Jenkins
• Git
• Bitbucket
• CI/CD
• OWASP

Client – why choose this particular client from the Jit portfolio?

Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language.

About Jit Team

The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.