Full Stack Engineer (all genders)

Role summary

Full Stack Engineer (all genders) is a full-time role at Eurowings Digital in Cologne, North Rhine-Westphalia, Germany (on-site). Posted 2026-10-09. Experience level: 5-10.

Job title

Full Stack Engineer (all genders)

Company

Eurowings Digital

Location

Cologne, North Rhine-Westphalia, Germany

Work arrangement

on-site

Employment type

full-time

Category

Software Engineering

Experience level

5-10

Date posted

2026-10-09

Job description

Job overview

As a Full Stack Engineer, you will build and scale critical digital products across the full stack, mainly within the Ops Digital Heartbeat initiative. This program focuses on creating scalable, data-driven solutions for operational processes. You will own complex systems, shape architecture, and work closely with engineering and domain teams to deliver modern cloud-native solutions. This includes integrating data pipelines, enabling analytics, and driving automation to improve decision-making and execution. The work is delivered iteratively, with a strong focus on modular design and continuous optimization of operational systems.

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

Job Title

Full Stack Engineer

Job Subtitle

Job Introduction

What you will need

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: Proven experience working in cross-functional teams

Strong communication and stakeholder management skills

Nice to have Exposure to or experience with Operations Research (OR) concepts and ecosystems: MILP/LP modeling, constraint programming, scheduling, routing, forecasting

Experience with agent frameworks and protocols (e.g., LangGraph, Pydantic AI, Model Context Protocol / MCP)

What you will bring

Strong expertise in system design and clean architecture principles

Ability to drive technical decisions and influence team direction

Ownership mindset with end-to-end accountability

Pragmatic decision-making balancing speed, quality, and business needs

Ability to mentor and elevate team engineering standards

Proactive communication and a mindset of continuous improvement.

We believe in fair and transparent pay. For this position, the annual salary starts at a minimum of €70,000 and depends on your qualifications, experience, and level of responsibility.

Eurowings Digital Benefits

Inclusivity

All genders

Workplace type

Hybrid

Apply now!

About us

We are dreamers, doers, and enthusiasts!

Our mission is to enable our customers on leisure and/or business travel to enjoy a seamless travel booking experience from the tip of their fingers. Therefore, we are continuously working passionately on providing diverse and attractive offers on our online booking platforms Eurowings & Eurowings Holidays and mobile Apps to empower our customers with relevant information and smart digital services throughout their travel experience.