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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Java Backend Developer (Digital Hangar)

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