Senior Full-Stack PHP Engineer

Open Assessment Technologies

📍 Cequelinos, Provincia de Pontevedra, Spain

Full-time Other-General Posted February 18, 2026

Job Description

Open Assessment Technologies (OAT) is looking for a Full Stack Developer to help us deliver world-class, open-source learning and assessment solutions.



You’ll work across frontend and backend , building robust, user-friendly web applications from end to end — from designing and implementing features to ensuring top performance, accessibility, and scalability. This is an opportunity to contribute to impactful educational technology projects in an international, multicultural environment.



&##Build and customize frontend experiences using JS (Svelte, ReactJS) , CSS , HTML5 .

Implement backend developments and platform customizations in Node.js or PHP .

Work with SQL and NoSQL databases.

Ensure cross-browser/mobile compatibility, accessibility, and performance.

Write, test, and refactor clean, maintainable code following best practices.

Participate in SCRUM ceremonies and provide accurate estimations for ...