AI Backend Engineer & Data Annotator

Odixcity Consulting; South Africa; On-site; ZAR 280,000 - 420,000; Full time

Benefits offered by this job

Restaurant d'entreprise

Job summary

Odixcity Consulting is seeking a highly analytical Backend Engineer Annotator to support AI development, evaluation and improvement. You will review, annotate, validate and improve backend datasets, code samples and system design outputs.

Responsibilities include annotating backend code samples, labeling REST APIs and GraphQL datasets, and evaluating scalability, performance and reliability. Apply your expertise to ensure secure, efficient server-side solutions.

Qualifications

• 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 understanding 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.

Responsibilities

• 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.

Skills

Backend engineering

Code review

Data annotation

REST APIs

GraphQL

Microservices

Distributed systems

Event-driven design

Secure coding

Containerization

Cloud platforms

Education

Bachelor’s Degree in Computer Science or related field

Tools

Docker

JWT/OAuth

AWS

Azure

Google Cloud

PostgreSQL

MySQL

MongoDB

Redis

Job description

Odixcity Consulting is seeking a highly analytical Backend Engineer Annotator to support AI development, evaluation and improvement. You will review, annotate, validate and improve backend datasets, code samples and system design outputs.

Responsibilities include annotating backend code samples, labeling REST APIs and GraphQL datasets, and evaluating scalability, performance and reliability. Apply your expertise to ensure secure, efficient server-side solutions.