Remote Backend Engineer – Build Scalable APIs (Contract)

Crossing Hurdles; Singapore; Remote; SGD 53,000 - 176,000; Full time

Job summary

Crossing Hurdles is seeking a Software Engineer Backend for a remote contract role. Based anywhere, you will create realistic coding tasks for AI to solve, build scalable services and APIs, and help debug and optimize backend performance.

Join a small, fast-moving team and participate in thorough code reviews to ensure quality. Compensation ranges from $30 to $100 per hour, with 10–40 hours per week.

Qualifications

• Strong backend experience in Java, Node.js, Go, Rust, TypeScript, Python, or C++.
• Proven 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 CS fundamentals.

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

Java

Node.js

Go

Rust

TypeScript

Python

C++

Algorithms

Job description

Crossing Hurdles is seeking a Software Engineer Backend for a remote contract role. Based anywhere, you will create realistic coding tasks for AI to solve, build scalable services and APIs, and help debug and optimize backend performance.

Join a small, fast-moving team and participate in thorough code reviews to ensure quality. Compensation ranges from $30 to $100 per hour, with 10–40 hours per week.