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E Eurowings Digital VERIFIED EMPLOYER

Full Stack Engineer (all genders).

Software Engineering & Dev Full-Time
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Full Stack Engineer (all genders): our view in 3 lines...

  • The Role:This role is for a senior full stack engineer building and scaling digital products across the full stack in an operations-focused programme.
  • The Person:The person will build end-to-end features, integrate mathematical optimization engines and Generative AI capabilities, evolve microservices and APIs, improve frontend applications, and support other engineers with technical guidance.
  • Requirements:The ideal candidate has 5+ years of software engineering experience and strong expertise in Java, Spring or Spring Boot, microservices, REST APIs, Vue.js, React, JavaScript, TypeScript, HTML, CSS, Docker, Kubernetes, CI/CD, and testing strategies.

About the role

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

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.

Inclusivity

All genders

Workplace type

Hybrid

Published October 9, 2026
Location Köln, Germany
Category Software Engineering & Dev  
Job Type Full-Time  

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