Invisible Technologies AI

Open 130d RemoteWorldwideContract

AI QA Trainer - LLM Evaluation - Freelance Project

Evaluate and harden large language models by designing tests, running adversarial prompts, and documenting failures to improve reasoning, safety, and reliability for enterprise use.

AI Automation Backbone.js Data Quality Data Science +11 skills

6 – 65 $ / hr

Open 130d North AmericaContract

ML Engineer Specialist - Freelance AI Trainer Project

United States

A freelance machine learning engineer trains and evaluates advanced AI models by solving applied ML tasks, designing benchmarks, and improving datasets for next-generation language models.

AI Cloud Data Science Deep Learning LLM +5 skills

30 – 50 $ / hr

Open 130d North AmericaContract

Backend Engineering Specialist - Freelance AI Trainer Project

United States

A contract backend engineer evaluates and refines AI-generated code for correctness, efficiency, and scalability, using Python, Java, Go, or C++ and related frameworks and databases.

AI API Api Design Cloud Containerization +11 skills

8 – 65 $ / hr

Open 130d North AmericaContract

Full Stack Engineering Specialist - Freelance AI Trainer Project

United States

A contract role for a Full Stack Engineer to review, annotate, and refine AI-generated code, ensuring correctness, efficiency, and scalability across frontend, backend, and cloud technologies.

AI CI/CD Cloud Containerization Django +10 skills

8 – 65 $ / hr