πŸ“ Brussels, Brussels, BelgiumContract

About this role

COSMOTE Global Solutions NV, part of the OTE Group of Companies, is a leading ICT Systems Integrator offering a comprehensive range of ICT solutions and services. We are dedicated to delivering innovative technology solutions that empower businesses to succeed.

We are seeking a highly skilled and motivated Front-end Developer to join our talented team. In this role, you will be responsible for developing user-facing features, ensuring the technical feasibility of UI/UX designs, and optimizing applications for maximum speed and scalability.

Key Responsibilities:

  • Develop new user-facing features and build reusable code and libraries for future use.
  • Ensure the technical feasibility of UI/UX designs.
  • Optimize applications for maximum speed and scalability.
  • Collaborate closely with back-end developers and web designers to improve usability.
  • Maintain and improve website and application performance.
  • Implement responsive design to ensure compatibility across devices.
  • Participate in code reviews and contribute to team knowledge sharing.
  • Write and maintain technical documentation.
  • Bachelor’s degree in Computer Science or related field.
  • Minimum 13 years of experience in front-end development.
  • Strong proficiency in JavaScript, HTML5, and CSS3.
  • Experience with modern front-end frameworks/libraries such as React, Angular, or Vue.js.
  • Familiarity with RESTful APIs and asynchronous request handling.
  • Knowledge of browser rendering behavior and performance optimization techniques.
  • Experience with version control systems, preferably Git.
  • Understanding of responsive design principles and mobile-first development.
  • Good problem-solving skills and attention to detail.
  • Ability to work well in a team environment and communicate effectively.
  • Fluent in English.

Frequently Asked Questions

Is the salary disclosed for the Front-end Developer position at COSMOTE GLOBAL SOLUTIONS NV?
The salary for this Front-end Developer role at COSMOTE GLOBAL SOLUTIONS NV is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Front-end Developer position at COSMOTE GLOBAL SOLUTIONS NV located?
This Front-end Developer role at COSMOTE GLOBAL SOLUTIONS NV is based in Brussels, Brussels, Belgium. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Front-end Developer role at COSMOTE GLOBAL SOLUTIONS NV full-time or part-time?
This is listed as a Contract position. It is posted as a Front-end Developer role at COSMOTE GLOBAL SOLUTIONS NV.
How do I apply for the Front-end Developer position at COSMOTE GLOBAL SOLUTIONS NV?
Click the "Apply Now" button on this page. You will be redirected to COSMOTE GLOBAL SOLUTIONS NV's official application portal hosted on workable where you can submit your application directly.
When was the Front-end Developer job at COSMOTE GLOBAL SOLUTIONS NV posted?
This Front-end Developer position at COSMOTE GLOBAL SOLUTIONS NV was posted on May 8, 2026. Apply as soon as possible β€” early applications are often reviewed first.
Front-end Developer
COSMOTE GLOBAL SOLUTIONS NV
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