🌎 Full Stack Developer, Remote - Contract

Sorry, this job was removed at 09:39 a.m. (UTC) on Tuesday, Aug 25, 2026
Hiring Remotely in United States
Remote
Junior
HR Tech • Information Technology • Professional Services • Consulting
The Role
Build and review full-stack software environments for AI training. Develop frontend and backend features, integrate APIs, debug issues across UI and data layers, improve code quality, document technical reasoning, and review peer submissions. The role requires frontend and backend development experience with frameworks such as React or Angular and stacks including Node.js, Python, Java, or Go. Prior AI experience is not required.
Summary Generated by Built In

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).

Skills Required

  • Node.js
  • TypeScript
  • React
  • Angular
  • Go
  • API integrations
  • FastAPI
  • REST APIs
  • React Native
  • Shopify
  • WordPress
  • Nest.js
  • At least 1 year of hands-on experience building frontend and backend applications
  • Experience with at least one frontend framework and one backend stack
  • Understanding of frontend and backend connections through APIs
  • Ability to debug frontend and backend issues
  • Good documentation and communication skills

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The Company
Year Founded: 2012

What We Do

Xperteez Technology is a business consulting and recruitment firm that bridges the gap between business needs and talent. The company specializes in providing IT consulting, digital marketing, and comprehensive recruitment solutions across various sectors, including BFSI, manufacturing, and e-commerce. They focus on connecting qualified job seekers with direct payroll opportunities at leading companies across India, emphasizing growth and technological excellence.

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