Senior Engineer, Vulnerability Scanner

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.

- Design and ship a Multi-Agent code auditing system (vulnerability detection, malicious code, sensitive data leakage) including role decomposition, tool-calling pipelines, and cross-agent state synchronization - Integrate RAG, Chain-of-Thought, and Reflection techniques into security audit agents; build evaluation frameworks to continuously improve detection accuracy - Develop CI/CD plugins for GitLab, Tekton, and Jenkins to enable automated security audit on every commit - Build an LLM security framework covering input, output and runtime - Design Human-in-the-loop and agent behavior audit systems ensuring production agents are observable, traceable, and controllable

- 3+ years of backend development in Python, Go, or Java - End-to-end LLM Agent production experience with depth in architecture design, hallucination handling, and tool-call fault tolerance - Hands-on AI security knowledge — Prompt Injection, Jailbreak, malicious agent injection, tool misuse — with production-ready defensive solutions - Production experience with at least one of LangChain, LlamaIndex, AutoGen, CrewAI, or LangGraph - Proficiency with Docker, Kubernetes, and microservice architecture

- 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!

OKX is a leading global cryptocurrency exchange founded in 2017, offering spot and derivatives trading, Web3 solutions, and a digital wallet. The platform supports over 300 cryptocurrencies and ranks fourth in daily trading volume, with recent expansion into tokenized securities trading in partnership with the NYSE parent company.