Backend Engineer Annotator

, , spain, , , spain, Spain • Posted June 02, 2026

Job Type: Full-time
Location: , , spain, , , spain
Posted: June 02, 2026
Category: Informática y tecnología
Application Deadline: July 12, 2026

Role Description

Job Summary: We are seeking a highly analytical and detailed oriented Backend Engineer Annotator to support the development, evaluation, and improvement of Artificial intelligence. As the Backend Engineer you will play a critical role in training AI modes by reviewing, annotating, validating, and improving backend engineering datasets, code samples, and system design outputs.

Job Responsibilities

  • Ability to analyze and annotate backend code samples and engineering workflows
  • Label datasets involving REST APIs, GraphQL, and backend workflows.
  • Validate scalability, performance, and reliability standards.
  • Provide engineering reasoning and structured evaluation feedback.
  • Evaluate server-side code performance and logic accuracy.

Job Requirements

  • Bachelor’s Degree in Computer Science, Software Engineering, Information Systems, or related technical discipline.
  • Understanding of authen...

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