Full-Stack Software Engineer, Testing and Evaluation Contract - Remote (Worldwide)

• $75 per hour

• 100% remote

• Independent contractor

• Flexible schedule

Full-stack engineers can earn $75 an hour building coding challenges and the tests that grade them.

To measure AI coding skill, you need realistic projects with tests that always give the same answer. You will build those projects, write clear task docs, and package everything so any engineer can run it the same way.

## What you will do

• Build full-stack projects that feel like real engineering work.

• Design and maintain multi-file codebases with good engineering habits.

• Write coding challenges with clear, detailed documentation.

• Create deterministic test suites and containerize each task with Docker or a similar tool.

## Why this is worth your time

• Earn $75 per hour for hands-on engineering.

• Set your own schedule on remote contract work.

• Learn how AI coding ability is measured.

• Fully remote and flexible, no fixed shifts, no commute

## Who this is for

• Strong skill in a modern language; JavaScript, TypeScript, Java, Go, Rust, C and C++ all count.

• Experience designing or maintaining multi-file projects.

• Hands-on Docker or similar container tools.

• Good technical writing and reliable automated testing.

• Fluent English.

• Helpful: end-to-end app work, testing frameworks, build tools and code-quality workflows.

• No AI experience needed.

## Pay and details

• $75 per hour, paid hourly as an independent contractor.

• Contract, flexible hours; fully remote, Worldwide

## How to apply

1. Apply on OpenTrain with your resume: https://app.opentrain.ai/api/out/cmw8abzvr002z08l4fltxs901?ch=qajobsboard&sub=p_0b1511693a0f

2. Complete the application on the hiring platform.

3. If shortlisted, take a conversational AI interview with technical questions and a coding challenge, whenever it suits you.

Ready to build full-stack projects and reproducible tests for AI evaluation?

OpenTrain AI is hiring for this role.

## About OpenTrain AI

OpenTrain AI is a platform where people find AI training and data-labeling projects and start their applications.