Staff Engineer - Wallet Security

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 currently seeking a skilled Web3 Security Engineer to join our team, with a focus on on-chain fraud scenarios , such as phishing attacks and malicious tokens. This role requires a deep understanding of blockchain technology, smart contracts, cryptography, and distributed systems, as well as the ability to build and maintain security service infrastructure. What You’ll Be Doing Analyze on-chain fraud incidents, including phishing, malicious tokens, and private key leaks. Implement response strategies and early warnings for security risks. Design and maintain scalable security infrastructure for Web3 products. Research new emerging attack scenarios, including trader-bots, new protocols, and new projects. What We Look For In You Bachelor's or Master's in Computer Science or related field. Proficiency in at least one programming language (Python, Go, Rust, or Java). Experience in smart contract programming and security incidents. Strong Java development skills are better. Excellent problem-solving, teamwork, and communication abilities. 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! Apply for this job * indicates a required field First Name * Last Name * Email * Phone * Location (City) * Resume/CV * Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf Education School Select Degree Select Start date year End date year Are you legally authorized to work in the advertised location for this role? * Select Please indicate if you are a Singapore Citizen, Permanent Resident, or if you require a work pass to work and reside in Singapore. For work pass holders, kindly also specify which pass you are currently holding, if applicable. * Select Which company are you currently employed or last employed with? * What is your notice period to your current employer? * Select J-18808-Ljbffr

Location: Singapore, SG

Posted Date: 6/21/2025