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Top OpenAI Codex Prompt freelancers

29 freelancers list OpenAI Codex Prompt on Upwork.

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Showing 29 of 29Data updated Nov 7

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Freelancer
Since
1
Brian C.
Top Rated Plus
Brian C. 🇺🇸

Senior Embedded Firmware Engineer

$3k↓ 18%Nov 2025
2
Derek O.
Top Rated Plus
Derek O. 🇬🇭

Software Engineer(Ruby, Rails, Go), AI Engineering, RAG

$3k↑ 3%Jun 2015
3
Simon M.
Top Rated Plus
Simon M. 🇺🇸

20+Yrs Unreal & Unity Game Dev | AI, NPC & Narrative Design Specialist

$3k↓ 12%Jul 2025
4
Himanshu B.
Top Rated Plus
Himanshu B. 🇮🇳

Sr. Full-Stack Developer | Python | Node.js | AI/ML, RAG, LLM, Bedrock

$2k↓ 10%Feb 2021
5
Ehsan Z.
Top Rated Plus
Ehsan Z. 🇵🇰

AI Engineer | n8n, Make, Claude AI Consultant, AI Agents & RAG

$925↓ 5%May 2023
6
Muhammad A.
Rising Talent
Muhammad A. 🇵🇰

Senior AI/ML Engineer | AI Agents & Voice AI | RAG & LLM Pipelines

$701↓ 1%Sep 2025
7
Abdulrafiu  I.
Top Rated
Abdulrafiu  I. 🇳🇬

Fullstack Developer | AI Engineer | Next.js | Express.js | Claude Code

$636↑ 26%Oct 2024
8
Anas A.
Anas A. 🇵🇰

Kotlin Multiplatform Expert | Android & iOS | SpringBoot | Mobile App

$569↑ 59%Nov 2019
9
Syed Saif uddin P.
Top Rated
Syed Saif uddin P. 🇵🇰

AI Automation Engineer & AI Agents Expert | Production-Grade Systems

$544↓ 47%Jan 2021
10
Ramón A.
Top Rated
Ramón A. 🇨🇱

Senior Python Automation Engineer | AI Agents & Data Processing

$495↓ 1%Dec 2025
FreelancerMRRMember since
11
Dimple L.
Top Rated
Dimple L. 🇮🇳

Senior Full-Stack & AI Developer | Node.js, React, Angular, Laravel

$424–Oct 2019
12
Ahtsham  A.
Top Rated
Ahtsham  A. 🇵🇰

GoHighLevel & AI Automation Expert | GHL, AI Agents, Claude & Codex

$113↑ 27%Aug 2022
13
John A.
Top Rated
John A. 🇺🇸

Chemistry (PhD) in Systems Solutions, AI Engineer, and ML Engineer

$64↓ 60%May 2025
14
Ammar T.
Ammar T. 🇩🇪

AI Engineer | Agentic AI, RAG, OpenAI, Full Stack, Python, N8n, LLM

$50↓ 1%Jan 2021
15
Siegfried K.
Top Rated
Siegfried K. 🇩🇪

AI & Automation Engineer | n8n | MAKE | Airtable | WeWeb | Xano | LLM

$35↓ 67%Apr 2024
16
ALI U.
Top Rated
ALI U. 🇵🇰

PHP Developer | Laravel, WordPress & Social Marketing Expert

$8↓ 1%Apr 2012
17
Muhammad Asif  A.
Muhammad Asif  A. 🇵🇰

AI/ML Engineer | LLM Chatbots & RAG, Agents | Computer Vision | Python

$5↓ 1%Dec 2018
18
Birendrajung R.
Birendrajung R. 🇳🇵

Senior Laravel Developer | Custom Web Apps, APIs & AI

$5–May 2022
19
Debraj B.
Debraj B. 🇮🇳

AI-Powered Mobile App Developer | Android & Flutter | 12+ Yrs

$0–Mar 2018
20
Hemani M.
Hemani M. 🇮🇳

LLM Agents| AI Agents| GenAI| NLP | OpenAI | PyTorch| TensorFlow

$0–Jan 2025
FreelancerMRRMember since
21
Souhila B.
Souhila B. 🇩🇿

WordPress Website Designer | White-Label & Overflow for Agencies

$0–Mar 2016
22
Luiz Fellipe A.
Rising Talent
Luiz Fellipe A. 🇧🇷

AI Agent & Automation Developer

$0–Jan 2021
23
Michelle P.
Rising Talent
Michelle P. 🇵🇭

| Cold Calling, Data Entry, Sales, Operation Manager

$0–Sep 2023
24
Master R.
Master R. 🇵🇰

AI-Powered Full Stack Developer

$0–Sep 2019
25
Md Golam R.
Md Golam R. 🇧🇩

Full-Stack SaaS Developer | Laravel, Golang, Flutter | DevOps

$0–Dec 2012
26
Kartikey T.
Kartikey T. 🇮🇳

Fullstack Ruby on Rails Developer with Hotwire and AI Exprience

≈$0–Jan 2013
27
Ashish D.
Rising Talent
Ashish D. 🇮🇳

Full Stack Developer .NET Core - React - Azure - Cloud Solutions & AI

$0–Aug 2020
28
Anita K.
Top Rated
Anita K. 🇳🇬

HIPAA AI Voice Agent Developer | Retell AI | Vapi AI | Twilio | GHL

≈$0–Nov 2025
29
Diwakar T.
Diwakar T. 🇮🇳

Certified Shopify, BigCommerce,WooCommerce/Wordpress, SEO Specialist

≈$0–Nov 2013
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