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Hire Senior OpenAI API Engineers

Browse 99 reviewed Senior OpenAI API engineers available for remote hire. Every profile is manually reviewed before it goes live.

Browse Senior OpenAI API Profiles
99 Senior OpenAI API profiles
Manually reviewed
Remote worldwide

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Khandu

Khandu

Junior
Kolkata, India (UTC+5:30) Full-time, Contract-to-hire Rate on request
Automation & AI Workflows AI & Machine Learning Engineers
python tensorflow rag keras gcp +5
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Ankit

Ankit

Senior
Kolkata, India (UTC+5:30) Active 17 hours ago Freelance, Full-time Rate on request
NLP & Prompt Engineering AI & Machine Learning Engineers
python fastapi ai agents react gemini +5
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Mohsin

Mohsin

Senior
New York, United States (UTC-5) Full-time, Freelance Rate on request
Automation & AI Workflows AI Product & Strategy
python langchain openai api sql rag +4
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Stelios

Stelios

Senior
London, United Kingdom (UTC+0) Full-time, Freelance Rate on request
AI & Machine Learning Engineers NLP & Prompt Engineering
python pytorch docker reinforcement learning azure +5
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Mohammad Mughrabi

Mohammad Mughrabi

Mid-Level
Hebron, Palestine (UTC+2) Part-time, Freelance Rate on request
NLP & Prompt Engineering Data Science & Analytics
python sql numpy pandas openai api +5
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Amha

Amha

Mid-Level
Addis Ababa, Ethiopia (UTC+3) Full-time, Freelance Rate on request
AI & Machine Learning Engineers AI Training & Data Annotation
python openai api web scraping vector databases pytorch +5
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Tanmay

Tanmay

Mid-Level
Kolkata, India (UTC+5:30) Freelance, Part-time Rate on request
AI Business, Marketing & Strategy Automation & AI Workflows
prompt engineering openai api python power bi reinforcement learning
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Daniel

Daniel

Mid-Level
Vilnius, Lithuania (UTC+2) Full-time, Freelance Rate on request
Automation & AI Workflows AI Implementation & Consulting
python sql prompt engineering openai api hugging face +4
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Olisaemeka

Olisaemeka

Mid-Level
London, United Kingdom (UTC+0) Full-time, Contract Rate on request
NLP & Prompt Engineering AI Product & Strategy
python tensorflow pytorch prompt engineering openai api +5
Message
Tameeem

Tameeem

Mid-Level
Karachi, Pakistan (UTC+5) Contract-to-hire, Freelance Rate on request
AI & Machine Learning Engineers NLP & Prompt Engineering
llm fine-tuning hugging face python pytorch openai api +5
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About this role

What makes a Senior OpenAI API engineer?

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.

Frequently asked questions

What does a Senior OpenAI API engineer bring that a mid-level doesn't?

Senior OpenAI API engineers take ownership of architecture decisions, handle production incidents independently, and mentor others. They reduce review cycles and catch edge cases earlier. For production AI systems, senior engineers are the difference between a system that works in a demo and one that holds up at scale.

How do I verify someone is truly senior in OpenAI API?

Look for evidence of ownership: production systems they designed, incidents they resolved, technical decisions they made under pressure. Our team reviews every profile before it goes public (a real name, a written description and a list of skills), so judge seniority from the experience each person lists.

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