Java Developer

Job Description

  At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.Your impact
At Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life Sciences, and Transport. We are seeking a Backend Developer with expertise spanning various aspects of software development, including Java OOPS concepts, Java 11/17/21 features, web applications, REST services, testing frameworks, and more. The ideal candidate will have a proven track record of successful project implementation. 
Key Responsibilities

• Apply object‑oriented programming principles in Java to deliver scalable and maintainable solutions
• Work with modern Java (11/17/21), making use of streams, functional interfaces, and collections for cleaner code
• Build microservices with Spring Boot and related frameworks, ensuring modular and efficient system design
• Develop RESTful APIs following industry best practices for implementation and consumption
• Write unit and integration tests using JUnit, Wiremock, and Mockito to ensure reliability and coverage
• Maintain high code quality through automated checks with SonarQube
• Deploy and orchestrate applications using Docker and Kubernetes
• Set up monitoring and logging with the ELK stack to support observability and troubleshooting
• Navigate CI/CD pipelines with BitBucket, Maven, and Jenkins to streamline delivery
• Contribute to team standards by conducting thorough code reviews

Here's what you'll need

• Minimum 4 years of hands-on experience in Java development
• Strong background in Spring and Spring Boot frameworks
• Proficient in version control systems, especially Git
• Solid understanding of both SQL and NoSQL databases
• Skilled in unit testing, particularly with JUnit
• Proven ability to design and deliver complex software solutions
• Familiarity with containerization and orchestration tools like Docker and Kubernetes
• Strong analytical thinking and problem-solving capabilities
• Excellent communication and teamwork skills
• Fluent in English

Nice to Have

• Experience using Postman for API testing
• Exposure to Kafka for event-driven architectures
• Understanding of UML diagrams
• Familiarity with Linux environments and shell scripting

We offer

• Rewarding employment: Full-time employment with a salary that matches your qualifications
• Hybrid work model: Enjoy the flexibility of working from home, with just several office days per month
• Flexible hours: Start your day anytime between 7:30 and 10:00 AM
• Comprehensive benefits: Including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system
• Co-financed holidays: Enjoy "Wczasy pod Gruszą" for a well-deserved break
• Global projects: Engage in exciting international projects
• Inclusive networks: Join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more
• Continuous learning: Participate in our Graduate Development Program, Learners’ Community, and self-learning platforms
• Language courses: Enhance your skills with courses in English, German, and Polish

 
We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disabilities, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. Find out more about life at Jacobs. As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team [email protected]
#LI-MB14Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.