Full Stack Engineer – Data Annotation Specialist

About the role

We are looking for a Full Stack Engineer to join our data-annotation team. In this role you will bridge frontend and backend technologies to create high-quality training data that helps AI models understand full-stack development patterns.

Key responsibilities

• Annotate and label full-stack application datasets, covering both UI and server-side components.
• Evaluate integration logic between frontend frameworks and backend services.
• Review UI interactions with APIs and databases, and document findings.
• Label debugging, optimization, and feature-implementation tasks for AI training.
• Rank AI-generated solutions based on performance, maintainability and scalability.
• Produce clear 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 professional experience as a Full Stack Developer.
• Strong understanding of system architecture, deployment workflows and authentication mechanisms.
• Proven ability to debug complex applications and solve technical problems.
• One of the following certifications: Meta Front-End Developer Professional Certificate, AWS Certified Developer – Associate, Microsoft Certified Full Stack Developer, or Certified Scrum Developer (CSD).

Required skills

• React, Angular or Vue
• HTML5, CSS3, JavaScript (ES6+)
• Node.js, Python, Java, C#
• RESTful APIs
• Relational or NoSQL databases
• Authentication systems