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Senior Full Stack Engineer

icon building Unternehmen : Eurowings
icon briefcase Auftragstyp : Vollzeit
icon geo-alt Cologne, Germany

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Arbeitsbeschreibung - Senior Full Stack Engineer

Job overview

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.

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

Senior Full Stack Engineer

Job Subtitle

Java

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: 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.

Inclusivity

all genders

Workplace type

Hybrid

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.
Original job Senior Full Stack Engineer posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
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