This job is no longer available
This job expired on 17/08/2026. It no longer accepts applications.
Front End Developer – Level 3
Core Code io · Brasilia
Job description
About the role
We are seeking a seasoned Front End Developer to join our product team. You will translate customer needs and user expectations into interactive, high‑performance web applications while ensuring an excellent user experience.
Key responsibilities
- Collaborate with design, product, and development teams to build elegant, responsive interfaces across devices.
- Convert UI/UX designs into functional prototypes, creating reusable modules and maintaining clean code.
- Apply UI development principles to deliver scalable client‑side solutions.
- Monitor key performance metrics, identify issues, and proactively optimise the application.
- Adapt quickly in a fast‑paced environment and support rapid design/technology changes.
Required profile
- 3‑5 years of experience as a web developer, UI developer, JavaScript expert, or frontend engineer.
- Strong knowledge of HTML and CSS.
- Familiarity with UI layouts, SASS, Bootstrap, and CSS Grid.
- Proficiency with JavaScript frameworks such as jQuery and Angular.
- Experience debugging with tools like Chrome Developer Console.
- Passion for good design and usability, and strong communication skills.
- Knowledge of Ember and Ruby is a plus.
Required skills
- HTML
- CSS
- SASS
- Bootstrap
- CSS Grid
- JavaScript
- jQuery
- Angular
- Chrome Developer Console
- Ember (optional)
- Ruby (optional)
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Core Code io
Brasilia