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Hire OpenAI API Engineers — Freelance

Browse 288 OpenAI API engineers available Freelance for remote work. All profiles manually reviewed. No agencies, no noise.

288 Freelance OpenAI API profiles
Manually reviewed
Remote worldwide

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Khandu

Khandu

Junior
India — Kolkata (UTC+5.5) Full-time, Contract-to-hire
Automation & AI Workflows AI & Machine Learning Engineers
Mohammad Mughrabi

Mohammad Mughrabi

Mid-Level
Palestine — Hebron (UTC+3) Part-time, Freelance
NLP & Prompt Engineering data science & analytics
Daniel

Daniel

Mid-Level
Lithuania — Vilnius (UTC+3) Active 16 hours ago Full-time, Freelance
Automation & AI Workflows AI Implementation & Consulting
Aditya

Aditya

Senior
India — Kolkata (UTC+5.5) Full-time, Part-time
AI & Machine Learning Engineers data science & analytics
Umair

Umair

Mid-Level
Pakistan — Karachi (UTC+5) Active 6 hours ago Full-time, Part-time
Automation & AI Workflows AI Implementation & Consulting
openai api python prompt engineering ai agents vector databases +2
Nada

Nada

Junior
Egypt — Cairo (UTC+3) Contract-to-hire, Full-time
AI & Machine Learning Engineers data science & analytics
Timoth

Timoth

Mid-Level
Nigeria — Lagos (UTC+1) Full-time, Part-time
NLP & Prompt Engineering Automation & AI Workflows
Cynthia

Cynthia

Mid-Level
United States — New York (UTC-4) Freelance, Contract
Automation & AI Workflows AI Implementation & Consulting
openai api ai agents fastapi vector databases
Olisaemeka

Olisaemeka

Mid-Level
United Kingdom — London (UTC+1) Full-time, Contract
NLP & Prompt Engineering AI Product & Strategy
Tameeem

Tameeem

Mid-Level
Pakistan — Karachi (UTC+5) Contract-to-hire, Freelance
AI & Machine Learning Engineers NLP & Prompt Engineering

About this role

OpenAI API engineers — Freelance availability

The OpenAI API powers a growing share of production AI applications. Engineers who build with it professionally understand rate limiting, cost optimisation, prompt engineering, function calling, and the Assistants API — not just basic completions.