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Open nowPosted 60 days ago

🌎 Full Stack Developer, Remote - Contract

xperteez208 open roles

Where
International
Work mode
Remote
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Your applicationOpen now🌎 Full Stack Developer, Remote - Contractxperteez · International

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: posted 60 days ago

The posting

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 — 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

  • Contribute clear code samples, debugging approaches, and development insights across frontend and backend, using languages like JavaScript/TypeScript, Python3, Java, or Go.
  • Identify, troubleshoot, and resolve bugs that span both the UI and the underlying API or database layer.
  • Build small to medium features end-to-end, from the interface through to the data layer, following good coding practices.
  • Improve existing frontend and backend code to make it cleaner, more consistent, and easier to maintain.
  • Document your reasoning, approach, and code decisions to support AI training data quality.
  • Review peer-contributed code and technical submissions for correctness and clarity.

Preferred Qualifications

  • 1+ years of hands-on experience building both frontend and backend applications.
  • Comfortable with at least one frontend framework (React, Vue, or Angular) and one backend stack (Node/Express, Python/Django/Flask, Java/Spring, or similar).
  • Solid understanding of how frontend and backend systems connect through APIs.
  • Ability to debug issues that cross the frontend/backend boundary.
  • Good documentation and communication skills to explain your technical decisions clearly.
  • Interest in or curiosity about AI and its technical challenges (previous AI experience not required).
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