Remote AI Data Engineer & Backend Specialist (Contractor)

Micro1.; Cape Town; Remote; ZAR 344,000 - 620,000; Part time

Job summary

Micro1. is seeking a backend-focused contractor to help train next-generation AI systems. You will design and create challenging coding tasks and implement deterministic verifiers to evaluate solutions, shaping how models learn and perform through high-quality data.

No prior AI experience required; domain knowledge matters. Flexible, remote engagement with ~15 hours per week, weekends optional.

Qualifications

• Strong backend experience with Java, Node.js, Go, Rust, TypeScript, Python or C++.
• Experience building scalable services and APIs.
• Comfort with debugging, performance work and automated testing.
• Solid code review instincts.
• Strong testing background and experience designing test strategy.

Responsibilities

• Train next-generation AI systems through high-quality real-world input.
• Create realistic, interesting coding tasks for AI to solve.
• Implement deterministic verifiers that accept reasonable valid solutions and reject everything else.

Skills

Backend skills

Testing background

Code review

Debugging

Performance optimization

Tools

Java

Node.js

Go

Rust

TypeScript

Python

C++

Job description

Micro1. is seeking a backend-focused contractor to help train next-generation AI systems. You will design and create challenging coding tasks and implement deterministic verifiers to evaluate solutions, shaping how models learn and perform through high-quality data.

No prior AI experience required; domain knowledge matters. Flexible, remote engagement with ~15 hours per week, weekends optional.