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Principal AI Engineer, Chatbot Development

San Jose, CA$250.4k – $375.7k/yrPosted 215 days ago

About the Company

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.

OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.

Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.

About the Opportunity

We are looking for a Principal AI Engineer to lead the architecture and deployment of large-scale, LLM-powered conversational Chatbot systems serving both enterprise and consumer use cases.

This is a hands-on technical role focused on building intelligent, autonomous chatbot systems operating in real-time crypto environments. You will define the technical vision and own end-to-end delivery of production-grade conversational AI platforms.

What You'll Be Doing

  • Lead the design, development, and lifecycle management for conversational Chatbots products for enterprise and consumer use cases.
  • Drive experimentation, simulations, and continuous learning pipelines for Chatbot performance optimization.
  • Design multi-level intent routing, classifier training, and fallback strategies.
  • Building dialogue quality evaluation systems.
  • Drive automated bad-case discovery, A/B testing, and continuous iteration loops.
  • Ensure system scalability, security, and regulatory compliance of AI-powered solutions in the crypto exchange domain.

What We Look For In You

  • PhD or Master's in Computer Science, AI, Machine Learning, or related field with at least 10 years of industry experience.
  • Deep understanding of the engineering complexity behind industrial dialogue systems, including orchestration layers, intent classification, policy control, and fallback strategies.
  • Proven experience deploying large-scale conversational products (To Business or To Consumer) in production environments.
  • Hands-on experience designing multi-tier intent routing and training classifiers for high-accuracy task allocation.
  • Experience building structured dialogue evaluation frameworks (automatic metrics, LLM-as-judge, human review systems, etc.).
  • Strong experience driving automated bad-case discovery, logging systems, experiment design, and A/B testing frameworks.

Preferred / Nice-to-Have Qualifications

  • Experience in top-tier AI labs or Tech industry leaders
  • Experience in high-frequency trading, fintech, Web3, or crypto platforms is a strong advantage
  • Startups or research-intensive environments preferred; must be comfortable operating with ambiguity and speed

OKX Statement

The salary range for this position is $250,444.00 to $375,666.00. The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via Okcoin and OKX internal or external careers site.

OKX is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

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About OKX

OKX, founded in 2017 and headquartered in Seychelles with major hubs in Dubai, Hong Kong and San Jose, operates one of the world's largest crypto exchanges and the OKX Wallet/Web3 ecosystem. Beyond spot and derivatives trading, it builds OKX Chain (X Layer), MPC self-custody and DeFi aggregation used by 50M+ users. Backed by consistent top-5 volume, OKX invests heavily in proof-of-reserves, compliance in Europe and the Middle East, and brand partnerships in F1 and football. The company values speed, trading-domain understanding and shipping reliable systems under market volatility. OKX prioritizes zero-knowledge proof-of-reserves transparency, multi-chain Web3 wallet security, and institutional trading liquidity across global markets.