Skip to content
OpenTrain AIFor AI Companies

Android Code Review and AI Training Engineer

Use your Android engineering experience to review AI-generated code, write reference solutions, and rate technical responses. This remote contract pays $35 to $110 per hour and requires at least 20 hours weekly.

Apply now
OpenTrain AI

Coding & Software

Remote Hourly · $35–$110/hr

$35–$110/hr

Compensation

Contract, part-time

Engagement

Remote

Location

Jul 8, 2026

Posted

Open in 16 countries

United States
+ more
  • Bangladesh
  • Bhutan
  • Cambodia
  • Germany
  • India
  • Indonesia
  • Malaysia
  • Nepal
  • Pakistan
  • Philippines
  • Singapore
  • Sri Lanka
  • Thailand
  • Timor-Leste
  • United States
  • Vietnam

The Work

You will review AI-generated Android code, mobile architecture choices, and technical explanations. You will also write reference implementations, detailed prompts, and model answers that help improve Android-focused AI outputs.

Your reviews will cover correctness, reasoning quality, security, performance, reliability, maintainability, and whether each response follows the prompt.

  • Review Android code, architecture decisions, and technical explanations generated by AI.
  • Find issues involving Jetpack Compose, Views, concurrency, threading, app lifecycle, networking, persistence, memory use, and release workflows.
  • Write clear reference implementations and step-by-step explanations based on Android best practices.
  • Compare and rate multiple AI responses for correctness, security, performance, reasoning quality, and maintainability.
  • Create Android prompts and reference answers for AI training content.
  • Check outputs for inaccurate information, unsafe recommendations, and subtle implementation flaws.

What It Pays and Takes

This is a remote, part-time contractor role for an intermediate-level Android engineer. The work requires strong technical judgment and clear written English.

  • Pay: $35 to $110 USD per hour.
  • Time: 20 or more hours per week.
  • Work arrangement: Remote contractor, part time.
  • Eligible locations: Bangladesh, Bhutan, Cambodia, Germany, India, Indonesia, Malaysia, Nepal, Pakistan, Singapore, Sri Lanka, Thailand, the Philippines, the United States, Timor-Leste, and Vietnam.
  • Language: English.
  • Experience: Strong production Android experience with Kotlin; Java experience is helpful.
  • Android knowledge: Activities and Fragments, app lifecycle, state restoration, background execution limits, Jetpack Compose or Views, recomposition, state hoisting, and UI performance.
  • Concurrency: Coroutines, Flow, threading, cancellation, race conditions, and avoiding application-not-responding errors.
  • Architecture: MVVM, Clean Architecture, dependency injection, and modularization.
  • Development tools and practices: Retrofit, OkHttp, Room, SQLite, DataStore, unit tests, instrumentation tests, UI tests, CI/CD, and release workflows.
  • Security: Secure storage, authentication flows, certificate pinning, and privacy permissions.
  • Helpful background: AI data training, annotation, evaluation of AI-generated technical content, Android code review, or debugging workflows.

How It Works

You apply on OpenTrain with your resume and then complete the application on the hiring site.

About AI Training Work

AI training work uses human examples and reviews to improve how artificial intelligence responds. In this role, your Android engineering judgment helps evaluate technical answers and create better examples for AI systems.

Requirements

  • Experience: Intermediate level
  • Languages: English

How to apply

  1. Apply here on OpenTrain. You create a free account and add your resume.
  2. Complete your application for this role on OpenTrain.

Ready to apply?

Create a free OpenTrain account and apply for this role in minutes.

Keep exploring

Similar open roles

View all AI training jobs

ML/AI Systems Engineer

Build and evaluate multi-step AI agent systems for software engineering and advanced mathematical reasoning datasets. This fully remote, one-month contractor role pays $30 per approved task and is open in nine countries.

Coding & Software
Computer Code Programming
Remote · India, Pakistan, Nigeria +6 more
English
Part-time · Flexible
Entry level
Per task · $30/label

Posted Oct 27, 2026

Rust Architect / Backend Developer

Work on AI training projects that test Rust backend systems, APIs, concurrency, infrastructure, and reliability. This remote contractor role offers flexible work of about 15 hours per week.

Coding & Software
Computer Code Programming
Remote · United Arab Emirates, Argentina, Austria +49 more
English
Part-time · Flexible
Entry level

Posted Oct 24, 2026

Machine Learning Researcher and Task Reviewer

Review and validate machine learning engineering tasks involving Python, models, numerical computing, and system performance. This remote contractor role offers $60 to $120 per hour equivalent, paid per task that meets the project specifications, with about 15 flexible hours per week.

Coding & Software
Computer Code Programming
Remote · United Arab Emirates, Argentina, Austria +49 more
English
Part-time · Flexible
Mid-Senior level
Per task · $60–$120/hr equivalent

Posted Oct 23, 2026

Machine Learning Applied Scientist

Build and validate machine-learning models, training pipelines, inference systems, and numerical methods remotely for about 15 flexible hours per week. Compensation is $60 to $120 per hour equivalent, paid per task that meets the project specifications.

Coding & Software
Computer Code Programming
Remote · United Arab Emirates, Argentina, Austria +48 more
English
Part-time · Flexible
Entry level
Per task · $60–$120/hr equivalent

Posted Oct 23, 2026

Mathematics and Computational AI Training Expert

Solve, code, and validate advanced mathematical tasks for AI training using Python and scientific computing tools. Pay is $60 to $120 per hour equivalent, paid per task that meets the project specifications, with about 15 flexible hours each week.

Coding & Software
Computer Code Programming
Remote · United Arab Emirates, Argentina, Austria +48 more
English
Part-time · Flexible
Entry level
Per task · $60–$120/hr equivalent

Posted Oct 22, 2026