[Remote] Full Stack Engineering Specialist - Freelance AI Trainer Project

Note: The job is a remote job and is open to candidates in USA. Invisible Technologies is seeking an experienced Full Stack Engineering Specialist to shape the future of AI. The role involves working with cutting-edge AI tools, evaluating code outputs, and providing expert feedback to enhance training data for large-scale language models.

Responsibilities

• Review and annotate AI-generated code
• Assess outputs for logical and structural soundness
• Identify and document error patterns
• Collaborate with our team to refine prompts, evaluation methods, and engineering guidelines

Skills

• Proficiency in both frontend and backend technologies
• Strong experience with languages such as JavaScript/TypeScript, Python, or Java
• Experience with frameworks such as React, Node.js, or Django
• Experience with databases (SQL/NoSQL)
• Clear communication skills
• Problem-solving ability
• Attention to detail
• Experience in cloud services
• Experience with CI/CD pipelines
• Experience with containerization (Docker/Kubernetes)

Benefits

• Company-sponsored benefits such as health insurance and PTO do not apply

Company Overview

Invisible Technologies makes AI work. Our platform cleans, labels, and structures company data so it’s ready for AI. It was founded in 2015, and is headquartered in San Francisco, California, USA, with a workforce of 201-500 employees. Its website is https://www.invisible.co/.

Company H1B Sponsorship

Invisible Technologies has a track record of offering H1B sponsorships, with 8 in 2026, 9 in 2025. Please note that this does not guarantee sponsorship for this specific role.