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OpenTrain AIFor AI Companies

Full-Stack Engineer

Review and improve AI-generated code while building, debugging, and evaluating full-stack software. This part-time contract pays $50-$100 per hour and requires strong production experience across front-end and back-end systems.

Apply now

How the AI interview works

  1. Apply here on OpenTrain. You create a free account, and we send you to the hiring platform.
  2. Complete your application on the hiring platform.
  3. If you are shortlisted, you are invited to an AI interview.

What to expect

  • It is a conversational interview with an AI recruiter.
  • You can take it any time, from anywhere.
  • It asks open-ended technical questions based on the role, and scenario questions on how you think, solve problems and communicate.
  • Technical roles include a coding challenge.
  • You see right away whether you meet the certification criteria. If you do not, you can ask for feedback.
OpenTrain AI

Coding & Software

Remote Hourly · $50–$100/hr

$50–$100/hr

Compensation

Contract, part-time

Engagement

Remote

Location

Sep 16, 2026

Posted

Open to applicants in

Philippines United States Mexico

The work

You will contribute to AI training work focused on software development and code evaluation. The work covers front-end and back-end systems, technical problem-solving, debugging, system architecture, and software quality review.

You will create and solve engineering tasks, validate implementations, translate complete coding builds between languages, and assess AI-generated solutions for correctness, completeness, performance, security, and maintainability.

  • Develop, modify, and debug front-end and back-end application components.
  • Build user-facing features plus the APIs, services, and data models behind them.
  • Trace requests and data across browsers, applications, APIs, services, databases, and external integrations.
  • Understand unfamiliar repositories and contribute to complete application architecture.
  • Diagnose issues involving application state, API contracts, authentication, persistence, networking, and deployment.
  • Evaluate and improve code written in multiple programming languages.
  • Create, solve, review, and validate software engineering tasks for AI training.

What it pays and takes

Experience across both front-end and back-end engineering is required.

  • Pay: $50-$100 per hour, paid hourly in USD.
  • Time: Less than 20 hours per week.
  • Work type: Part-time contract work.
  • Language: Professional fluency in English.
  • Location: remote, open to applicants in Mexico, the Philippines, and the United States.
  • Required: Production experience with multiple programming languages and strong knowledge of browser applications, APIs, application state, databases, and service integration.
  • Required: Experience understanding and contributing to complete software-system architecture, working in unfamiliar codebases, debugging, and solving technical problems.
  • Helpful: Experience with Python, React, JavaScript, Java, Node.js, Rust, Go, or TypeScript.
  • Helpful: Experience reviewing AI-generated code and assessing security, performance, and maintainability.

How it works

You apply here in about two minutes; the application finishes on the hiring platform, with a short AI interview if you are shortlisted.

About AI training work

AI training is the human work behind systems that learn from examples. In this role, software engineers create and review coding tasks and evaluate model-generated solutions, using their experience to help improve how AI handles real software problems.

Requirements

  • Experience: Mid-Senior level
  • Languages: English

Ready to apply?

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