Sr. Full-Stack Software Engineer

OpenTrain AI, Inc.; United States; Remote; USD 69,000 - 138,000; Part time

Job summary

OpenTrain AI, Inc. is seeking a part-time remote contractor to contribute to AI training and software evaluation. You will work on building, debugging, and evaluating AI-generated code across front-end and back-end systems, handling user-facing features, services, APIs, and data models.

The role emphasizes debugging, multi-language code evaluation, and contributing to complete software-system architectures. Hours are limited to under 20 per week, with pay of $50 to $100 per hour equivalent.

Qualifications

• Experience: Mid-Senior level.

Responsibilities

• Develop, modify, and debug front-end and back-end application components.
• Build user-facing features with supporting services, APIs, and data models.
• Work in unfamiliar repositories and understand existing application architecture.
• Diagnose issues involving application state, API contracts, authentication, persistence, networking, and deployment.
• Evaluate and improve code written in multiple programming languages.
• Review and validate challenging software-engineering tasks and AI-generated solutions.

Skills

Mid-Senior level

Debugging

Problem-solving

Full-stack experience

Job description

Build, debug, and evaluate full-stack software and AI-generated code across front-end and back-end systems. Earn $50 to $100 per hour equivalent, paid per task that meets the project specifications, for under 20 hours per week.

$50–$100/hr

equivalent, paid per accepted task

Compensation

Contract, part-time

Engagement

Remote

Location

Posted

Open in 52 countries

United States + more

• Algeria
• Argentina
• Austria
• Bahrain
• Bangladesh
• Belgium
• Brazil
• Canada
• Chile
• Colombia
• Denmark
• Egypt
• France
• Germany
• Ghana
• Greece
• India
• Indonesia
• Italy
• Japan
• Jordan
• Kazakhstan
• Kenya
• Kuwait
• Kyrgyzstan
• Lebanon
• Malaysia
• Mexico
• Morocco
• Netherlands
• Nigeria
• Oman
• Pakistan
• Palestine
• Peru
• Philippines
• Portugal
• Qatar
• Saudi Arabia
• Singapore
• South Africa
• Spain
• Sri Lanka
• Switzerland
• Taiwan
• Thailand
• Tunisia
• United Arab Emirates
• United Kingdom
• United States
• Uzbekistan
• Vietnam

The work

You will contribute to AI training through software development, technical problem-solving, system architecture, debugging, and code evaluation. The work covers both front-end and back-end systems, including user-facing features, services, APIs, data models, and external integrations.

You will also create and solve challenging engineering tasks, translate complete coding builds between programming languages, and assess AI-generated solutions against standards for correctness, completeness, performance, security, and maintainability.

• Develop, modify, and debug front-end and back-end application components.
• Build user-facing features with supporting services, APIs, and data models.
• Work in unfamiliar repositories and understand existing application architecture.
• Diagnose issues involving application state, API contracts, authentication, persistence, networking, and deployment.
• Evaluate and improve code written in multiple programming languages.
• Review and validate challenging software-engineering tasks and AI-generated solutions.

What it pays and takes

This is part-time contractor work for an AI training and software evaluation project.

• Pay: $50 to $100 per hour equivalent, paid per task that meets the project specifications.
• Time: Less than 20 hours per week.
• Location: Open to candidates in the United States, Canada, the United Kingdom, Europe, Asia, Africa, the Middle East, and Latin America, including the listed eligible countries.
• Hands-on experience across both front-end and back-end engineering.
• Production experience with multiple programming languages.
• Experience understanding and contributing to complete software-system architecture.
• Ability to work effectively in unfamiliar codebases.
• Strong debugging and technical problem-solving skills.

About AI training work

AI training is the human work behind systems that learn from examples, including writing, reviewing, and evaluating computer code. Experienced software engineers help improve these systems by judging whether generated solutions are correct, secure, complete, efficient, and maintainable.

Requirements

• Experience: Mid-Senior level

Job details

Location

100% remote

United States + more

• Algeria
• Argentina
• Austria
• Bahrain
• Bangladesh
• Belgium
• Brazil
• Canada
• Chile
• Colombia
• Denmark
• Egypt
• France
• Germany
• Ghana
• Greece
• India
• Indonesia
• Italy
• Japan
• Jordan
• Kazakhstan
• Kenya
• Kuwait
• Kyrgyzstan
• Lebanon
• Malaysia
• Mexico
• Morocco
• Netherlands
• Nigeria
• Oman
• Pakistan
• Palestine
• Peru
• Philippines
• Portugal
• Qatar
• Saudi Arabia
• Singapore
• South Africa
• Spain
• Sri Lanka
• Switzerland
• Taiwan
• Thailand
• Tunisia
• United Arab Emirates
• United Kingdom
• United States
• Uzbekistan
• Vietnam

Pay

Languages

Engagement

Contract, part-time

Experience

Mid-Senior level

Coding & Software

Data type

Computer Code Programming

Computer Programming Coding, Evaluation Rating

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