Full Stack Developer (Java+Angular)

Worldline; Polska; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid working policy

Gift vouchers

Private medical services

Referral bonuses

WFH & Flexible Working Hours

Learning platform access

Job summary

Worldline is seeking an experienced full‑stack developer in Poland to build and maintain scalable payment tech solutions. You will work on Angular frontend and Java/Spring backend, ensure security, and participate in DevOps practices.

The role requires collaboration with cross‑functional teams and a strong emphasis on quality, documentation, and continuous learning. The position offers hybrid work arrangements, learning opportunities, and a supportive, global team.

Qualifications

• 3–4+ years of full-stack development with Angular frontend and Java/Spring backend.
• Strong knowledge of OAuth2, mTLS, JWT and API security best practices.
• Experience creating reusable Angular libraries for future projects.
• Extensive Spring ecosystem: Spring Boot, Spring Security, Spring Data, Spring Cloud.
• Experience with Docker, Kubernetes and CI/CD tooling (Jenkins, GitLab CI, GitHub Actions).
• Degree in software engineering or computer science; strong analytical skills and UI/UX understanding.
• Experience with Google Cloud Platform or any cloud provider; Agile environment.

Responsibilities

• Embraces new technology with passion.
• Write clean, secure code, ideally with a test-driven approach.
• Code that others can reuse.
• Translate user stories and propose design approaches to meet user needs.
• Adopt a modern approach to standards and tools; apply design standards effectively.
• Collaborate with other IT specialists to deliver software solutions.
• Document all aspects of software for ongoing maintenance and revisions.
• Participate in ongoing training to stay current in required skills.

Skills

Angular

Java

Spring

OAuth2

mTLS

JWT

API security

CI/CD

Docker

Kubernetes

GCP

Agile

English

German

Education

Bachelor's in software engineering or CS

Tools

Jenkins

GitLab CI

GitHub Actions

Job description

Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

The opportunity

At Worldline, our technology addresses the persistent challenges of the payment world. We design and operate leading digital payment and transactional solutions that enable sustainable economic growth and reinforce trust and security in our societies. If you are a highly skilled Developer who has a creative mind and passionate about delivering quality code, then get ready to join our company! We have many hardworking and dedicated peers that would love for you to work with them. We are committed to continuous improvement. We are always looking for new and innovative ways to improve quality, reduce costs, build excellent solutions, and grow customer happiness. We would like to welcome an organized, innovative and process driven colleague to our team.

Day-to-day responsibilities

• Embraces new technology with passion
• Responsible for writing clean, secure code, ideally following a test-driven approach
• Code that others can reuse
• Apply technical knowledge and experience to create or design workable prototypes and outputs
• Translate user stories and propose design approaches or services to meet user needs and engage in meaningful interactions and relationships with users when required
• Adopt a modern approach to standards
• Apply appropriate design standards, methods and tools and ensure they are applied effectively
• Collaborative, keen to share knowledge and learn continually
• Think out of the box
• You document all aspects of software, for ongoing maintenance and revisions
• You collaborate with other IT specialists, technicians, etc., to deliver software solutions
• You participate in on-going training to stay current in required skills

Who are we looking for

We look for big thinkers. People who can drive positive change, step up and show what’s next – people with passion, can-do attitude and a hunger to learn and grow. In practice this means:

• You have 3-4+ years of experience in full-stack development with proficiency in Angular for frontend and Java with Spring for backend
• You have strong knowledge of authentication and security mechanisms such as OAuth2, mTLS, JWT, and API security best practices
• Knowledge on create and maintain reusable Angular libraries to optimize the development of future project
• You have strong knowledge of Spring ecosystem including Spring Boot, Spring Security, Spring Data, and Spring Cloud
• You have good knowledge with dependency injection, AOP, and other core Spring concepts
• DevOps experience with CI/CD tools (Jenkins, GitLab CI, GitHub Actions)
• Knowledge with containerization (Docker) and container orchestration (Kubernetes)
• You have a degree in software engineering, computer science or similar field
• You have great analytical and problem-solving skills
• Good understanding of UI/UX design principles
• You have working knowledge of Google Cloud Platform and/or any Cloud Provider, with experience of hosting software solutions on the platform
• You have experience of Agile working environment
• You are organized and skilled in time-management
• You are very accurate and demonstrate high attention to detail
• You have a willingness to learn additional technologies and programming languages
• You have sophisticated interpersonal and communication skills
• Experience with PHP is nice-to-have
• You are fluent in English, German is a plus

At Worldline you’ll get the chance to be at the heart of the global payments technology industry and shape how the world pays and gets paid. On top of that, you will also:

• Hybrid Working Policy
• Gift vouchers on the occasion of Christmas/Easter Holidays
• Private medical services
• Referral bonuses for new hires recommended by you
• WFH & Flexible Working Hours
• Full access to the Learning platform

Shape the evolution

We are on an exciting journey towards the next frontiers of payments technology, and we look for big thinkers, people with passion, can-do attitude and a hunger to learn and grow. Here you'll work with ambitious colleagues from around the world, take on unique challenges as a team, and make a real impact on the society. With an empowering culture, strong technology and extensive training opportunities, we help you accelerate your career - wherever you decide to go. Join our global team of 18,000 innovators and shape a tomorrow that is yours to own.

Learn more about life at Worldline at jobs.worldline.com

We are proud to be an Equal Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, gender expression, age, status as an individual with a disability, or any applicable legally protected characteristics.