Backend AI Challenge Designer & Verifier Engineer

OpenTrain AI, Inc.; Northern (KY); Hybrid; USD 827,000 - 1,378,000; Part time

Job summary

OpenTrain AI, Inc. is hiring a Backend AI Coding Task and Verifier Engineer to design realistic feature requests and build reliable checks that distinguish valid solutions from incorrect ones. This role blends backend engineering, code review, testing, and security-aware judgment.

The position is a part-time contractor role with 20+ hours per week. Strong backend experience across Java, Node.js, Go, Rust, TS, Python, or C++, plus the ability to reason about scalable APIs, performance, and secure

Qualifications

• Strong backend development experience and the ability to make careful technical judgments.

Responsibilities

• Create backend coding tasks for feature implementation and bug fixing.

Skills

Backend development

Code review

Algorithms

Data structures

Secure coding

Debugging

Automation testing

Problem solving

Technical communication

Tools

Java

Node.js

Go

Rust

TypeScript

Python

C++

Job description

OpenTrain AI, Inc. is hiring a Backend AI Coding Task and Verifier Engineer to design realistic feature requests and build reliable checks that distinguish valid solutions from incorrect ones. This role blends backend engineering, code review, testing, and security-aware judgment.

The position is a part-time contractor role with 20+ hours per week. Strong backend experience across Java, Node.js, Go, Rust, TS, Python, or C++, plus the ability to reason about scalable APIs, performance, and secure