Remote Backend Engineer (Contract) — Scalable APIs & AI Tasks

Crossing Hurdles; South Africa; Remote; ZAR 683,000 - 2,277,000; Part time

Job summary

Crossing Hurdles is seeking a Software Engineer Backend for a remote contract role. You will design and implement scalable backend services and APIs, focusing on performance, reliability, and code quality.

Ideal candidates bring strong backend experience across languages such as Java, Node.js, Go, Rust, Typescript, Python or C++, plus a track record of building scalable services. You should be comfortable debugging, optimizing performance, and performing automated testing and code reviews.

Qualifications

• Strong backend experience across Java, Node.js, Go, Rust, Typescript, Python, C++ or similar.
• Track record of building scalable services and APIs.
• Comfort with debugging, performance work, and automated testing.
• Solid code review instincts.
• Strong understanding of algorithms, data structures, and foundational CS concepts.

Responsibilities

• Create realistic and challenging coding tasks for AI to solve.
• Implement deterministic verifiers for solution validation.
• Build scalable services and APIs.
• Debug and optimize performance of backend systems.
• Conduct thorough code reviews to ensure quality.

Skills

Backend languages

Scalable services

API design

Automated testing

Code reviews

Debugging performance

Job description

Crossing Hurdles is seeking a Software Engineer Backend for a remote contract role. You will design and implement scalable backend services and APIs, focusing on performance, reliability, and code quality.

Ideal candidates bring strong backend experience across languages such as Java, Node.js, Go, Rust, Typescript, Python or C++, plus a track record of building scalable services. You should be comfortable debugging, optimizing performance, and performing automated testing and code reviews.