Principal AI Engineer, Chatbot Development
Location: Singapore, Singapore
Department: Engineering
OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.
Who We Are
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. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.
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
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Lead the design, development, and lifecycle management for conversational Chatbots products for enterprise and consumer use cases.
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Drive experimentation, simulations, and continuous learning pipelines for Chatbot performance optimization.
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Design multi-level intent routing, classifier training, and fallback strategies.
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Building dialogue quality evaluation systems.
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Drive automated bad-case discovery, A/B testing, and continuous iteration loops.
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Ensure system scalability, security, and regulatory compliance of AI-powered solutions in the crypto exchange domain.
What We Look For In You
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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.
Nice to Haves
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Experience in top-tier AI labs or Tech industry leaders
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Experience in high-frequency trading, fintech, Web3, or crypto platforms is a strong advantage
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Startups or research-intensive environments preferred; must be comfortable operating with ambiguity and speed
Perks & Benefits
- Competitive total compensation package
- L&D programs and Education subsidy for employees' growth and development
- Various team building programs and company events
- Wellness and meal allowances
- Comprehensive healthcare schemes for employees and dependants
- More that we love to tell you along the process!
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