AI Training Backend Engineer & Annotator

Odixcity Consulting; España; Presencial; EUR 35.000 - 52.000; Jornada completa

Descripción de la vacante

Odixcity Consulting is seeking a Backend Engineer Annotator to support AI model training by reviewing, annotating, and validating backend engineering datasets, code samples, and system designs. You will evaluate REST APIs, GraphQL, and backend workflows for performance and reliability.

The role requires a computer science-related degree, knowledge of authentication systems, cloud platforms, and databases. Familiarity with Docker and distributed systems is a plus.

Formación

• Bachelor’s Degree in Computer Science, Software Engineering, Information Systems, or related technical discipline.
• Understanding of authentication systems (OAuth, JWT, session management).
• Knowledge of microservices architecture, distributed systems, and event-driven design.
• Review database queries, authentication systems, and microservices.
• Strong knowledge of backend security principles and secure coding standards.
• Familiarity with containerization tools such as Docker.
• Understanding of cloud platforms such as AWS, Azure, or Google Cloud.
• Strong knowledge of databases such as SQL (PostgreSQL, MySQL), NoSQL (MongoDB, Redis, DynamoDB).
• Prior experience reviewing code or conducting technical assessments.

Responsabilidades

• 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.

Conocimientos

Code analysis

Data labeling

Quality evaluation

Authentication knowledge

Backend security

SQL/NoSQL databases

Educación

Bachelor’s degree in CS/SE/IS

Herramientas

Docker

AWS

Azure

Google Cloud

Descripción del empleo

Odixcity Consulting is seeking a Backend Engineer Annotator to support AI model training by reviewing, annotating, and validating backend engineering datasets, code samples, and system designs. You will evaluate REST APIs, GraphQL, and backend workflows for performance and reliability.

The role requires a computer science-related degree, knowledge of authentication systems, cloud platforms, and databases. Familiarity with Docker and distributed systems is a plus.