Medior/Senior Frontend Developer (React/SolidJS)

Looking for a Medior/Senior Frontend Developer to join our team.

Location: Headquarters, Hasselt BE

About Us

At DeltaBlue, we empower businesses to launch and maintain best-in-class cloud applications. Our platform provides cloud composition, consumption, and continuity for developers and teams working on mission-critical projects. We partner with innovative teams to deliver solutions using the complete spectrum of modern cloud services.

The Role

We are looking for a Medior/Senior Frontend Developer to join our team. Initially, your main focus will be helping us migrate our existing AngularJS 1 application to SolidJS while maintaining a seamless user experience. After the migration, you’ll remain a key member of DeltaBlue’s frontend development team, playing a crucial role in continuously improving and developing new features for our web application.

With the potential to grow into a Lead Frontend Developer, you will collaborate closely with design and product teams to deliver innovative solutions that enhance our users’ experience and optimize the platform’s performance. This role is ideal for someone with a passion for frontend development who is excited about leading projects and growing into a leadership role.

Key Responsibilities

  • Lead the migration of our current AngularJS 1 codebase to SolidJS, ensuring smooth transitions and high performance.
  • Build, test, and maintain high-quality React and SolidJS components for our scalable web application.
  • After migration, take ownership of frontend development, focusing on continuous improvement, new feature implementation, and overall codebase health.
  • Collaborate closely with the design and product teams to turn ideas and designs into reality, ensuring a user-friendly experience.
  • Play an instrumental role in driving frontend architecture decisions and establishing best practices for the team.
  • Work closely with backend developers to ensure seamless integration and communication between frontend and backend services.
  • Participate in code reviews and mentoring junior developers as you grow into a potential leadership role.
  • Stay updated on the latest frontend trends, continuously bringing new ideas to the table to improve the product.

Requirements

  • 3+ years of experience in frontend development
  • Deep understanding of web browser fundamentals: JavaScript + browser APIs, HTML5, CSS3
  • Experience with TypeScript
  • Experience with or interest in working with SolidJS. You’ll be part of the team that pioneers this technology at DeltaBlue.
  • Experience with React
  • Experience with or interest in maintaining and migrating from AngularJS 1 to modern frameworks.
  • Knowledge of modern build tools like Vite.
  • Familiarity with Git, CI/CD pipelines, and integrating RESTful APIs.
  • Excellent communication and collaboration skills, especially in working with cross-functional teams like design and product.
  • Leadership potential: Experience or willingness to grow into a Lead Frontend Developer role.

Nice-to-Have

  • Experience with DevOps tools and cloud environments like GitLab and Docker.
  • Familiarity with unit testing frameworks like Jest or Mocha to test critical logic in isolation.
  • Familiarity with end-to-end testing frameworks like Playwright or Selenium to test business critical user flows.
  • A solid understanding of UI/UX principles and how they relate to frontend development.

Why Join Us?

  • Lead the charge in migrating to SolidJS and contribute to shaping our web application’s future.
  • Grow your career into a Lead Frontend Developer position and play a central role in the company’s frontend strategy.
  • Collaborative culture with a focus on continuous learning and professional development.
  • Flexible work environment with opportunities for remote work.
  • Be part of a team that encourages innovation and empowers you to make a real impact on the product.

How to Apply

If you’re passionate about frontend development, eager to work with cutting-edge technologies like SolidJS, and excited about growing into a leadership role, we’d love to hear from you! Please send your resume, portfolio, and any relevant links (e.g., GitHub, LinkedIn) to [email protected].

Job opening contact

Bram Pieters
Bram Pieters
CTO
Contact Bram