Backend Engineer Annotator

About the role

We are looking for a Backend Engineer Annotator who will support the development and evaluation of artificial intelligence systems. In this role you will review, annotate, and validate backend‑engineering datasets, code samples and system‑design outputs to help improve AI models.

Key responsibilities

• Analyze and annotate backend code samples, REST API and GraphQL workflows.
• Label datasets that involve authentication mechanisms, microservices and event‑driven designs.
• Validate scalability, performance and reliability of server‑side code.
• Provide structured feedback and engineering reasoning on code quality and security.
• Review database queries, authentication systems and containerized deployments.

Required profile

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems or a related technical field.
• Experience reviewing code or conducting technical assessments.
• Strong understanding of backend security principles and secure coding standards.

Required skills

• Authentication protocols: OAuth, JWT, session management.
• Microservices architecture, distributed systems, event‑driven design.
• Containerization with Docker.
• Cloud platforms: AWS, Azure, Google Cloud.
• SQL databases: PostgreSQL, MySQL.
• NoSQL databases: MongoDB, Redis, DynamoDB.
• REST APIs and GraphQL.