Remote Backend Engineer for AI Coding Systems

OpenTrain AI; United States; Remote; USD 41,000 - 138,000; Full time

Job summary

OpenTrain AI is seeking focused backend engineers to work remotely on AI coding systems. You’ll assess AI-produced code, design validation checks, and contribute to feature and bug-fix scenarios on a flexible, part-time schedule.

Pay is an hourly-equivalent, $30–$100, per accepted task, with total hours under 20 weekly. This independent contractor role offers high autonomy and exposure to frontier AI tooling.

Qualifications

• Proven backend experience delivering scalable services and APIs.
• Strong knowledge of algorithms and data structures.
• Experience evaluating AI-generated code and writing automated checks.
• Ability to diagnose bugs and explain root causes.

Responsibilities

• Provide backend feature work and bug-fix scenarios for AI coding systems.
• Write automated checks to validate implementations and flag gaps.
• Assess generated code for correctness, performance, and test coverage.
• Diagnose system bottlenecks and explain improvements.

Skills

Backend experience

Java

Node.js

Go

Rust

TypeScript

Python

C++

CS fundamentals

Job description

OpenTrain AI is seeking focused backend engineers to work remotely on AI coding systems. You’ll assess AI-produced code, design validation checks, and contribute to feature and bug-fix scenarios on a flexible, part-time schedule.

Pay is an hourly-equivalent, $30–$100, per accepted task, with total hours under 20 weekly. This independent contractor role offers high autonomy and exposure to frontier AI tooling.