Job
- Level
- Senior
- Job Field
- Web, Full Stack, Back End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Cologne
- Working Model
- Hybrid, Onsite
Job Summary
In this role, you will develop scalable digital products using modern technologies. You will design architectures, implement end-to-end features, and integrate data pipelines into cloud applications.
Job Technologies
Your role in the team
- As a Senior 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.
- 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).
- Entwickle hochwertige Frontend-Anwendungen mit 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.
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Our expectations of you
Experience
- 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: 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).
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What we offer
- Hybrid workplace type.
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Benefits
Health, Fitness & Fun
Work-Life-Integration
More net
Topics that you deal with on the job
Job Locations
This is your employer
Eurowings Aviation GmbH
At Eurowings, we strive to provide our customers with a seamless travel experience. That's why we're working hard to create the digital travel companion of the future. It will support our customers throughout their journey with relevant information and smart services, from inspiration with "Horizons by Eurowings" to memories of their trip!
Description
- Company Type
- Established Company
- Working Model
- Hybrid, Onsite
- Industry
- Logistics, Transportation