Java Backend Developer (Digital Hangar)

Our requirements

• 4+ years of professional Java development experience.
• Hands-on experience with microservices and distributed systems.
• Experience with REST APIs and event-driven architecture (e.g. Kafka).
• Practical experience with containers, Kubernetes and CI/CD.
• Understanding 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.

Optional

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

Your responsibilities

• 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.

About the project

This is how we organize our work

What we offer

• An international working environment, atmosphere that stimulates development.
• Individual career path.
• Lufthansa Group membership benefits.
• Flexible working time and place adjusted to employee’s needs. Possibility of starting your workday between 07:00 and 11:00.
• 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.
• Stable employment under an employment contract.
• Modern office in Oliwa – great location and comfortable workspace.
• Atmosphere – small teams, high independence, real impact on the project.

Development opportunities we offer

• external training
• industry-specific e-learning platforms
• intracompany training
• mentoring
• soft skills training
• substantive support from technological leaders
• technical knowledge exchange within the company

Benefits

• sharing the costs of sports activities
• private medical care
• life insurance
• flexible working time
• fruits
• corporate products and services at discounted prices
• no dress code
• coffee / tea
• drinks
• parking space for employees
• leisure zone
• extra social benefits
• holiday funds
• sharing the costs of holidays for kids
• sharing the commuting costs

Lufthansa Systems