Java Backend Developer (Digital Hangar) w Gdańsk, Polska

Java Backend Developer (Digital Hangar)

Miejsce pracy: Gdańsk

Technologies we use

Expected

• Java 17/21
• REST API
• Microservices Architecture
• Apache Kafka
• Kubernetes
• Docker
• Git
• CI/CD
• SQL
• Azure
• Event-Driven Architecture

Optional

• OpenTelemetry
• AI-powered applications

About the project

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.

This is how we organize our work

This is how we work

• in house
• you focus on a single project at a time
• you have influence on the choice of tools and technologies
• you have influence on the technological solutions applied
• you focus on product development
• agile
• scrum

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.

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.

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

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.

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