FrontEnd Software Engineer (Remote)
Posted Today by Keystone Recruitment
£80 Per hour
Outside
Remote
United Kingdom
Summary: The FrontEnd Software Engineer role is a remote position focused on creating high-quality training datasets for AI models in client-side web development. Candidates will leverage their front-end engineering skills to develop realistic prompts and evaluation criteria for various web applications and tools. This position requires a detail-oriented approach to ensure the accuracy and verifiability of the datasets created. Ideal candidates will have a strong background in JavaScript and related technologies, with a commitment of 15-25 hours per week, flexible up to 40 hours.
Key Responsibilities:
- Write realistic, self-contained prompts for client-side web apps, games, and simulations
- Develop precise, binary rubrics tagged by verification type
- Ensure rubric criteria are strictly pass/fail and verifiable via screenshot and code inspection
- Design tasks that test UI behavior, logic correctness, and edge-case handling
Key Skills:
- 2+ years of experience in front-end or full-stack development (or technical content creation in web development)
- Bachelor’s degree in Computer Science, Software Engineering, or related field (advanced degree preferred)
- Strong proficiency in JavaScript, TypeScript, React, or vanilla JavaScript
- Ability to write clear technical specifications and structured evaluation criteria
- Detail-oriented mindset with a focus on verifiability and precision
Salary (Rate): £80 hourly
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: Mid-Level
Industry: IT
Role: FrontEnd Software Engineer (Remote)
Location: 100% Remote (Global)
Compensation: USD 70-80 per hour
Role Overview
One of our clients is hiring experienced Software Engineers to support high-impact research collaborations with leading AI labs. In this role, you will help build high-quality training datasets that improve AI model performance on real-world client-side web development tasks. This is a unique opportunity to apply your front-end engineering expertise to shape the next generation of intelligent systems.
About the Project
You will create high-quality “vibe coding” datasets designed to train models on client-side web development skills — including state management, interactivity, UI correctness, and robustness. Projects may include:
- Interactive web applications
- Browser-based games
- Visualizations and simulations
- Front-end tools and utilities
Key Responsibilities
- Write realistic, self-contained prompts for client-side web apps, games, and simulations
- Develop precise, binary rubrics tagged by verification type
- Ensure rubric criteria are strictly pass/fail and verifiable via screenshot and code inspection
- Design tasks that test UI behavior, logic correctness, and edge-case handling
Ideal Qualifications
- 2+ years of experience in front-end or full-stack development (or technical content creation in web development)
- Bachelor’s degree in Computer Science, Software Engineering, or related field (advanced degree preferred)
- Strong proficiency in JavaScript, TypeScript, React, or vanilla JavaScript
- Ability to write clear technical specifications and structured evaluation criteria
- Detail-oriented mindset with a focus on verifiability and precision
Project Details
Start Date: Immediate
Duration: 1–2 months
Commitment: Part-time (15–25 hours/week, with flexibility up to 40 hours/week)
Fully remote and asynchronous
Application & Onboarding Process
Submit your resume
Complete a short AI-led interview (approximately 15 minutes)
Receive follow-up communication within a few days with next steps and onboarding details
Compensation & Contract Terms
$70–$80 per hour, based on experience
Weekly payments via supported payment platforms
Independent contractor classification
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
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