FrontEnd Software Engineer

Role: FrontEnd Software Engineer

One of Keystone Recruitment's clients is seeking experienced FrontEnd Software Engineers to support high-impact research collaborations with leading AI labs. This unique opportunity allows you to apply your front-end engineering expertise to shape the next generation of intelligent systems by building high-quality training datasets that improve AI model performance on real-world client-side web development tasks.

This role is 100% Remote and offers competitive compensation of USD 70-80 per hour.

About the Project

You will be instrumental in creating high-quality “vibe coding” datasets specifically designed to train AI models on essential client-side web development skills. These skills include state management, interactivity, UI correctness, and robustness.

Projects you may engage with include:

• Interactive web applications
• Browser-based games
• Visualizations and simulations
• Front-end tools and utilities

Key Responsibilities

As a FrontEnd Software Engineer, your primary responsibilities will include:

• Writing realistic, self-contained prompts for client-side web applications, games, and simulations.
• Developing precise, binary rubrics, meticulously tagged by verification type.
• Ensuring all rubric criteria are strictly pass/fail and verifiable through screenshots and detailed code inspection.
• Designing tasks that comprehensively test UI behavior, logic correctness, and edge-case handling.

Ideal Qualifications

To be successful in this role, candidates should possess:

• 2+ years of experience in front-end or full-stack development, or equivalent technical content creation in web development.
• A Bachelor’s degree in Computer Science, Software Engineering, or a related field (an advanced degree is preferred).
• Strong proficiency in modern front-end technologies such as JavaScript, TypeScript, React, or vanilla JavaScript.
• The ability to write clear technical specifications and structured evaluation criteria.
• A detail-oriented mindset, with a strong emphasis on verifiability and precision in all tasks.

Project Details

This is an immediate start, part-time contract role with a duration of 1–2 months. You will commit 15–25 hours per week, with flexibility to work up to 40 hours per week. The position is fully remote and asynchronous.

Application & Onboarding Process

The application process for this FrontEnd Software Engineer role is straightforward:

• Submit your resume.
• Complete a short AI-led interview (approximately 15 minutes).
• Expect follow-up communication within a few days regarding next steps and onboarding details.

Compensation & Contract Terms

This independent contractor position offers:

• $70–$80 per hour, based on experience.
• Weekly payments via supported payment platforms.
• The project duration may be extended, shortened, or concluded based on performance and project needs.
• No access to confidential or proprietary information from any employer, client, or institution.

Key skills/competency

• Front-end Development
• JavaScript
• TypeScript
• React
• UI/UX Design
• Web Applications
• AI Model Training
• Dataset Creation
• Technical Specifications
• Detail-Oriented