Remote Backend Engineer: Scale APIs & Optimize Performance

Crossing Hurdles; United States; Remote; USD 41,000 - 138,000; Full time

Job summary

Crossing Hurdles is seeking a Software Engineer Backend for a remote contract role. You will design and implement scalable back-end services, craft rigorous coding tasks for AI, and help verify solutions with deterministic checkers. The position emphasizes performance tuning and thorough code reviews.

Requirements include strong backend experience across Java, Node.js, Go, Rust, TS, Python, or C++. You will collaborate across teams to deliver robust APIs while maintaining quality and

Qualifications

• Strong backend experience in one or more listed languages (Java, Node.js, Go, Rust, TS, Python, C++).
• Experience building scalable services and APIs.
• Comfort with debugging, performance tuning, and automated testing.
• Solid code review instincts and CI/CD familiarity.

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 experience

Algorithms & DS

Code review

Automated testing

Backend languages

Job description

Crossing Hurdles is seeking a Software Engineer Backend for a remote contract role. You will design and implement scalable back-end services, craft rigorous coding tasks for AI, and help verify solutions with deterministic checkers. The position emphasizes performance tuning and thorough code reviews.

Requirements include strong backend experience across Java, Node.js, Go, Rust, TS, Python, or C++. You will collaborate across teams to deliver robust APIs while maintaining quality and