AISL-265 Senior Frontend Engineer

Luxembourg, Luxembourg

At ABAKUS IT SOLUTIONS, we are looking for a highly experienced Senior Frontend Engineer to strengthen our team and contribute to the design and delivery of high-quality web portals and enterprise-grade applications. As a Senior Frontend Engineer, you will play a key role in developing, maintaining, testing, and deploying modern frontend solutions within complex environments. You will collaborate closely with cross-functional teams to ensure high performance, scalability, and clean architecture standards.

Your Responsibilities

  • Develop, maintain, test, and deploy frontend web portals, applications, shared components, and libraries using JavaScript and React.
  • Design and implement reusable components and contribute to shared design systems.
  • Collaborate with team leads, technical leads, business analysts, developers, and testers to ensure clarity, consistency, and alignment of requirements.
  • Integrate REST services and manage JSON-based data exchanges.
  • Ensure responsive, accessible, and high-performance UI implementations (HTML5, CSS3).
  • Write and maintain automated tests using Jest and React Testing Library.
  • Manage dependencies and builds using NPM and modern bundlers (Vite).
  • Contribute to CI/CD pipelines and deployments via Azure DevOps.
  • Deploy and monitor applications in on-premises and cloud-based containerized environments.
  • Promote best practices in code quality, testing, performance, and maintainability.

Qualifications & Experience

  • University degree in a related field.
  • Minimum 10 years of professional experience in software development.
  • Strong expertise in:
    • React (functional components, hooks, Context API)
    • Implementation of shared components and design systems
    • JavaScript, JSON, REST services
    • HTML5, CSS3, responsive layouts
    • Jest & React Testing Library
    • NPM and modern build tools (Vite)
    • CI/CD practices using Azure DevOps
  • Experience working in containerized environments (cloud and/or on-prem).
  • Strong communication skills and ability to work in collaborative Agile environments.
  • High attention to detail and commitment to code quality.

Why Join ABAKUS IT SOLUTIONS?

  • Work on challenging, high-impact digital projects.
  • Collaborate with experienced and passionate professionals.
  • Access modern technologies and structured development practices.
  • Benefit from a supportive and dynamic working environment.
  • Grow your technical expertise within an international context.

Ready to shape scalable and future-proof React solutions? Join ABAKUS IT SOLUTIONS and take your frontend expertise to the next level, we look forward to receiving your application!

by ABAKUS IT-SOLUTIONS

Opportunities are numerous. From bare applications development to of IT infrastructures management including conception, architecture and requirements analysis.

Although open to technologies used by our customers, ABAKUS IT-SOLUTIONS seeks mainly but not only consultants mastering: Windows and Linux Servers, networks, developments (JAVA, SAP, .NET,…) as well as highly specialized experts for example in cybersecurity or in Content Management System (CMS) (SharePoint, Drupal, WebLogic…).

In terms of non-technical competencies, ABAKUS IT-SOLUTIONS hires dynamic persons, open to the world, interested by innovation and having a keen sense of client relationship.

A very good command of English is essential, the capacity to speak French, German or Dutch is an asset.

Even though most of our positions require at least 3 years of experience, some are open to new starters.

ABAKUS IT-SOLUTIONS works either in its premises or in our customer’s one, remote activities are sometime possible.
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