Fronted Engineer (Senior)

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  • Luxemburg
  • Unbefristet
  • Vollzeit
  • 3 Tage her
  • Einfach bewerben
Why are you looking for a job?If your answer ticks all the boxes, this could be the start of a great collaboration.
  • You have a curious mind - You won't understand what we're talking about if you don't.
  • You want to learn more around technology - You won't survive if you don't.
  • You want to make the world a bit better - We don’t like you if you don’t.
We happen to be just like that as well. We like hacking things here and there (you included) and create scalable solutions that bring value to the world.Squaredev? 🐿️We use state-of-the-art technology to build solutions for our own customers and for the customers of our partners. We make sure we stay best-in-class by participating in research projects across Europe, collaborating with top universities and enterprises on AI, Data, and Cloud.Role overviewWe are looking for an experienced Frontend Engineer who will develop, maintain, test, and deploy modern frontend web portals, applications, reusable components, and shared libraries using JavaScript and the React framework. You will collaborate closely with team leads, tech leads, business analysts, developers, and testers to fully understand business and technical requirements, ensuring alignment, consistency, and high-quality delivery across all stages of the development lifecycle. You will also be responsible for deploying and monitoring applications in both on-premises and cloud-based containerized environments.RequirementsTo excel in this role, you'll need:
  • A university degree at a related field is mandatory.
  • 10+ years of professional experience.
  • Strong expertise in React, particularly with functional components, hooks, and the Context API, and a deep understanding of modern React patterns and best practices. You should be comfortable designing and implementing reusable, scalable components and contributing to or maintaining shared component libraries and design systems that ensure consistency across multiple applications.
  • Solid testing experience using Jest and React Testing Library, with the ability to write clean, maintainable unit and integration tests. You should understand testing strategies, mocking, and how to ensure high code quality and reliability through automated testing practices.
  • Advanced knowledge of JavaScript (ES6+), including asynchronous programming, promises, and modern syntax features. A strong understanding of JSON structures and RESTful services is essential, along with experience integrating frontend applications with backend APIs and handling data efficiently.
  • Experience in HTML5 and CSS3, with hands-on experience building responsive, accessible, and cross-browser compatible user interfaces. You should be comfortable implementing responsive layouts, working with modern CSS methodologies, and translating UI/UX designs into pixel-perfect, high-performance interfaces.
  • Experience with package management and build tools, including NPM and Babel, as well as working within modern frontend build environments. Familiarity with CI/CD pipelines, specifically using tools like Vite and Azure DevOps, is important to support automated builds, testing, and deployments.
  • Understanding of containerized environments and deployment processes, with the ability to support application deployment and monitoring in both on-premises and cloud infrastructures.
  • Candidates must be EU citizens.

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