Full Stack Engineer Annotator

About the role

The Full Stack Engineer Annotator will work on curating and labeling datasets that capture end‑to‑end full‑stack workflows. You will help AI models understand how frontend and backend components interact, ensuring accurate interpretation of architecture and implementation patterns.

Key responsibilities

• Annotate full‑stack application datasets, covering both UI and server‑side logic.
• Evaluate integration between frontend frameworks and backend services.
• Review UI interactions with APIs, databases, and authentication mechanisms.
• Label debugging, optimization, and feature‑implementation tasks for AI training.
• Rank AI‑generated solutions based on performance, maintainability, and scalability.
• Produce technical documentation and evaluation notes for each dataset.

Required profile

• Bachelor’s degree in Computer Science, Software Engineering or a related field.
• 3–5 years of experience as a Full Stack Developer.
• Strong knowledge of modern frontend technologies (React, Angular, Vue, HTML5, CSS3, JavaScript ES6+).
• Proficiency with backend languages and runtimes (Node.js, Python, Java, C#).
• Experience building and consuming REST APIs, working with databases and authentication systems.
• Understanding of system architecture, deployment workflows and strong debugging skills.
• Certification in at least one of the following: Meta Front‑End Developer Professional Certificate, AWS Certified Developer – Associate, Microsoft Certified Full Stack Developer, Certified Scrum Developer (CSD).

Required skills

• React
• Angular
• Vue
• HTML5
• CSS3
• JavaScript (ES6+)
• Node.js
• Python
• Java
• C#
• REST APIs
• Database interaction (SQL/NoSQL)
• Authentication mechanisms
• System architecture & deployment