🌎 Full Stack Developer, Remote - Contract✦ anywhere

🏒 Xperteez Technology · all 7 jobs
πŸ“ Worldwide
πŸ’° USD 65 - 120 / hourly
πŸ“… Posted Oct 2, 2026 Β· via Himalayas
🏷 Full Stack Developer, Full Stack Engineer, Software Developer, Web Developer, Backend Engineer, Remote Full Stack Developer +3 more
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Job Title: Full Stack Developer

Job Type: Contractor

Location: Remote
Required Skills

- Node.js

- Typescript

- React

- Angular

- GoLang

- API Integrations

- FastAPI

- REST API

- React Native

- Shopify

- Wordpress

- Nest.js

In this role, you'll apply your end-to-end development expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required β€” your development skills are what matter.

As an expert, you will be creating Reinforcement Learning Environments which test an AI model's ability to solve full-stack software problems, spanning frontend, backend, and the connection between them. You will be tasked with creating a reproducible environment and a golden reference solution for the problem.
Scope of Work

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Contribute clear code samples, debugging approaches, and development insights across frontend and backend, using languages like JavaScript/TypeScript, Python3, Java, or Go.

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Identify, troubleshoot, and resolve bugs that span both the UI and the underlying API or database layer.

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Build small to medium features end-to-end, from the interface through to the data layer, following good coding practices.

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Improve existing frontend and backend code to make it cleaner, more consistent, and easier to maintain.

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Document your reasoning, approach, and code decisions to support AI training data quality.

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Review peer-contributed code and technical submissions for correctness and clarity.

Preferred Qualifications

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1+ years of hands-on experience building both frontend and backend applications.

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Comfortable with at least one frontend framework (React, Vue, or Angular) and one backend stack (Node/Express, Python/Django/Flask, Java/Spring, or similar).

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Solid understanding of how frontend and backend systems connect through APIs.

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Ability to debug issues that cross the frontend/backend boundary.

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Good documentation and communication skills to explain your technical decisions clearly.

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Interest in or curiosity about AI and its technical challenges (previous AI experience not required).

Originally posted on Himalayas

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