Senior Full Stack Engineer - Java

Location
Cologne
Employment level
App. w. professional exp.
Function
11
Working time
Full-time or Part-time

As a Senior Full Stack Engineer, you will shape and scale high-impact digital products within the Ops Digital Heartbeat initiative. Own complex systems, define architecture, and deliver modern cloud solutions. Drive data pipelines, analytics, and automation to improve decisions and execution through modular, iterative delivery

Tasks

What you will do

Integrating mathematical optimization engines and Generative AI capabilities into production-grade enterprise applications (key part of this role)
Design and implement end-to-end features across backend and frontend
Build and evolve scalable microservices and APIs using Java (Spring Boot)
Develop high-quality frontend applications using Vue.js
Ensure high code quality through testing, code reviews, and engineering best practices
Collaborate closely with Product, Design, and Engineering teams
Optimize systems for performance, scalability, and reliability
Support and mentor other engineers through technical guidance and feedback.

Behind the scenes

Meet the Eurowings Digital Team!

Our Culture

Requirements

What you will need

Core Skills: 5+ years of experience in software engineering; Strong expertise in Java and Spring / Spring Boot; Experience building microservices and REST APIs at scale; Solid frontend experience with React or Vue; Strong knowledge of JavaScript / TypeScript, HTML, CSS

Platform & Engineering Practices: Experience with cloud platforms (Azure, AWS, or GCP); Strong understanding of containerization (Docker) and Kubernetes; Experience with CI/CD and DevOps collaboration; Strong knowledge of testing strategies (unit, integration, end-to-end); Understanding of performance, security, and scalability principles
Collaboration: Experience working in cross-functional teams; Strong communication and stakeholder management skills.

What you will bring

Expertise in system design and clean architecture principles
Ability to drive and influence team direction
Ownership mindset
Pragmatic decision-making
Ability to mentor and elevate team
Proactive communication and a mindset of continuous improvement.

Company

About Eurowings Digital GmbH

We want to unfold the world to our customers. Eurowings Digitals mission is to deliver the most convenient and affordable end2end travel experience by connecting the physical and digital world. While our customers enjoy their journey, we take charge of a carefree travel experience. Not only offering quality flights for affordable prices, but being a travel companion all along the way. From their first inspiration to their favorite travel memories. Therefore we launched a whole new company which puts their customer into their total focus. Together we are going to discover, develop and test new products along the whole customer journey, on- and offline. In agile and diverse teams we will revolutionize the way of travelling.

www.eurowings-digital.de