OpenAI Codex Jobs - Remote & On-site

OpenAI Codex jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $215,417/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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Quantum

Unlimit
unlimit.com
Unlimit is a global financial technology company headquartered in London, United Kingdom, and founded in 2009. The firm provides a suite of financial services, including global payment processing, multicurrency business accounts, card issuing, and banking-as-a-service platforms. Operating across Europe, Asia, Africa, and the Americas, the company supports over 1,000 local payment methods and 150 currencies to facilitate international business transactions.
unlimit.com • HQ: London, United Kingdom • GameFi • Crypto Payments • Blockchain & Crypto • Banking • FinTech • Financial Services • Payments • Est. 2009
HQ: London, United Kingdom • GameFi • Crypto Payments • Blockchain & Crypto • Banking • FinTech • Financial Services • Payments • Est. 2009
Open 322 daysVerified live · 1 day ago 11 months ago

Agentic Systems Engineer
In office (Belgrade, Serbia) • Full-Time
Java
Kotlin
Java
Spring Boot
Databases
Apache Kafka
RabbitMQ
AI/ML
AI Agents
Claude
RAG
Context Engineering
GPT-5
LLM Guardrails
Model Context Protocol
OpenAI Codex
DevOps
AWS
CI/CD
Docker
Kubernetes
Cybersecurity
PCI DSS
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Gensyn
gensyn.ai
Gensyn is a London company founded in 2020 that is building a protocol for distributed machine learning compute. Its network lets anyone contribute graphics processors to training jobs, with cryptographic proofs verifying that the work was performed correctly. The project is backed by a16z and aims to make training capacity a commodity market rather than the preserve of a few clouds.
gensyn.ai • HQ: London, United Kingdom • Branding • AI Agents • Est. 2020
HQ: London, United Kingdom • Branding • AI Agents • Est. 2020
Open 368 daysVerified live · 2 hours ago 1 year ago

Technical Product Manager
Remote (Europe) • Relocation • Visa sponsorship
Go
Python
Rust
AI/ML
Claude
Claude Code
Cursor
OpenAI Codex
Web3
DeFi
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Shield AI
shield.ai
Shield AI is an American defence technology company founded in 2015 that builds autonomy software and uncrewed aircraft for military missions. Its Hivemind autonomy stack lets aircraft fly, navigate and complete objectives without GPS, a remote pilot or a communications link, which matters in contested environments where those links are jammed. Headquartered in San Diego, California, the company fields the V-BAT vertical take-off aircraft with United States and allied forces, licenses Hivemind to other manufacturers and is developing the X-BAT jet for high-end missions.
shield.ai • HQ: San Diego, United States • Space & Aerospace • Drones & UAVs • Defense AI • Military Drones • Military • Artificial Intelligence • 1001-5000 employees • Est. 2015
HQ: San Diego, United States • Space & Aerospace • Drones & UAVs • Defense AI • Military Drones • Military • Artificial Intelligence • 1001-5000 employees • Est. 2015
Open 505 daysTop 25% pay 1 year ago

Senior Engineer, Automated Test (R4461)
$114k – $171k per year • Senior • 5+ years exp • Remote/Hybrid (San Diego, United States) • Full-Time • Senior
Go
Python
TypeScript
Cython
C++
Cython
Setuptools
AI/ML
Claude
Claude Code
LLM
OpenAI Codex
DevOps
CI/CD
GitLab CI
GitLab
Apply
Report

Uncountable
uncountable.com
Uncountable is the AI platform that unifies R&D, QC, and PLM data across the full product lifecycle — for traceability, compliance, and faster decisions.
uncountable.com • HQ: San Francisco, United States • CAD & PLM • Artificial Intelligence • Software
HQ: San Francisco, United States • CAD & PLM • Artificial Intelligence • Software
Open 737 daysTop 25% pay 2 years ago

Full-Stack Engineer
$130k – $200k per year • In office (New York, United States) • Bachelor's Degree • Full-Time
JavaScript
Python
SQL
TypeScript
Python
Flask
Databases
PostgreSQL
AI/ML
Claude
Claude Code
LLM
AI Agents
OpenAI Codex
Frontend
React.js
Redux
Sass
Apply
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Fanatee
fanatee.com
Fanatee is a global game development studio, founded in Brazil in 2013. We are the creators of CodyCross Crossword Puzzles and Stop Categories Game.
fanatee.com • Game Development • Gaming
Game Development • Gaming
Open 2021 dayVerified live · 2 days ago 5 years ago

Unity Software Engineer
Remote/Hybrid • Full-Time • Portuguese: C1
C#
AI/ML
Claude Code
OpenAI Codex
Game Dev
Unity
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OpenAI Codex Jobs - Remote & On-site
Frequently asked questions
How many OpenAI Codex jobs are available on Alion?
There are currently 1110 active listings from 480 hiring companies on Alion, refreshed daily.
What salary do OpenAI Codex jobs pay?
The average salary is around $215,417 per year based on the current listings.
Are remote options available for OpenAI Codex jobs?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for OpenAI Codex jobs?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.