OutSystems Front-End Developer, Senior

About the role

Adree is looking for a senior OutSystems Front‑End Developer to shape the visual experience of its digital products. You will turn UI/UX designs into high‑performance, pixel‑perfect OutSystems applications for web and mobile.

Key responsibilities

• Convert Figma or Adobe XD wireframes into functional OutSystems Reactive Web and Mobile interfaces.
• Create and maintain custom OutSystems themes, CSS style guides and reusable UI blocks.
• Extend the OutSystems UI framework with advanced CSS, HTML5 and JavaScript when native widgets are insufficient.
• Ensure cross‑browser and multi‑device responsiveness, adhering to WCAG accessibility standards.
• Optimize front‑end performance, including rendering, DOM manipulation and asset loading.
• Collaborate closely with UI/UX designers and back‑end OutSystems developers to bind UI components to data actions and APIs.

Required profile

• Bachelor’s degree in Computer Science, IT, UI/UX Design or a related field.
• 4+ years of front‑end development experience, with at least 2‑3 years focused on OutSystems UI development.
• Strong eye for detail, typography and visual hierarchy.

Required skills

• OutSystems UI framework and custom widget creation.
• HTML5, CSS3, SASS/LESS, advanced CSS techniques.
• Vanilla JavaScript and modern front‑end practices.
• Responsive layout design using Flexbox and CSS Grid.
• Proficiency with design tools such as Figma and Adobe XD.
• Knowledge of WCAG accessibility guidelines.