Java Backend Developer (Digital Hangar)

At Digital Hangar, we build large-scale digital products that serve customers and employees across Lufthansa Group airlines worldwide.

By combining cloud-native technologies, DevOps practices, and AI-assisted development, our engineering teams deliver innovative solutions at scale. We actively explore emerging technologies such as AI agents, Agentic Engineering, and intelligent automation, integrating them into our products and development processes where they add real business value.

Who are we?

Lufthansa Systems Poland is acclaimed and widely recognized provider of superior services and IT solutions for the aeronautical, logistic and financial industries. As a part of the Lufthansa Group we implement technological solutions and dedicated services.

Who are you?

• 4+ years of professional Java development experience.
• Hands-on experience with microservices and distributed systems.
• Experience with REST APIs and event-driven architectures (e.g. Kafka).
• Practical experience with containers, Kubernetes and CI/CD.
• Understanding of software architecture, clean code and engineering best practices.
• Experience using AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code or similar.
• Strong problem-solving and collaboration skills.
• Professional working proficiency in English (B2/C1).
• Availability to work in a hybrid model – 2 days per week in our Gdańsk office

What do we welcome

• Azure and cloud-native services.
• Observability / OpenTelemetry.
• AI-powered applications, LLMs, RAG, MCP or AI agents.
• Agile and cross-functional product teams.

Why do we need you?

In this role, you will be responsible for:

• Design, build and operate Java-based backend services used across Lufthansa Group.
• Develop cloud-native microservices, REST APIs and event-driven integrations.
• Take ownership of the full software lifecycle – from solution design and implementation to deployment, monitoring and continuous improvement.
• Work with Kubernetes, CI/CD, distributed messaging and modern DevOps practices.
• Use AI-assisted engineering tools and help us explore new approaches to software development.
• Collaborate with engineers and other roles in cross-functional product teams.

What do we offer?

• An international working environment, atmosphere that stimulates development,
• Individual career path,
• Lufthansa Group membership benefits,
• Salary in the range of:
  • Senior position 10 000 - 21 000 zł gross (contract of employment)
  • Standard position 8 000 - 16 000 zł gross (contract of employment)
• Support for your passion for sports within the local activity group and co-financing Multisport cards,
• Private medical care for employees and their family members.
• Life insurance.
• Training opportunities and real growth paths.
• Modern office in Oliwa – great location and comfortable workspace.
• Atmosphere – small teams, high independence, real impact on the project.