Senior Staff Software Engineer, Web3 job opportunity at OKX.

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OKX Senior Staff Software Engineer, Web3
Experience: 6-years
Pattern: full-time
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Engineering

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degreeBachelor's (B.A.)
loacation ,, Singapore
loacation ,....Singapore

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa About OKX 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 The OKX DEX-SWAP team is building the future of multi-chain trading with a mission to make decentralized trading seamless, efficient, and accessible to all. As a one-stop aggregated trading platform, OKX DEX-SWAP empowers users to easily discover and trade any token across multiple blockchains, all while securing the best liquidity and prices available on-chain. We leverage intelligent routing algorithms to automatically compute the most efficient transaction paths across chains, ensuring users benefit from lower slippage, optimized fees, and faster execution. As part of this team, you’ll work on solving complex challenges in decentralized finance, while helping scale a platform that plays a critical role in OKX’s broader Web3 strategy. If you're excited about pushing the boundaries of cross-chain interoperability, smart routing, and decentralized liquidity, this is the team to join.   What You’ll Be Doing Participate in the backend development of blockchain-related services, including blockchain protocols, recommendation algorithms, and other core products within the blockchain ecosystem. Continuously optimize system architecture and performance to meet high standards of availability, reliability, and scalability. Identify opportunities for service and infrastructure optimization, driving improvements in engineering efficiency and system robustness. Work closely with product and business teams to deeply understand requirements, and deliver solutions through functional design, architectural optimization, and hands-on R&D. Tackle complex technical challenges and provide guidance on system design best practices to elevate the overall technical capability of the team.   What We Look For In You Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field (or a strong STEM education background) 6+ years of extensive professional experience designing, building, and operating high-performance, systems in Java, with a deep understanding of the JVM, IO, multithreading, concurrency, networking, and solid grasp of object-oriented design principles including encapsulation and abstraction. Proficient in mainstream Java frameworks such as Spring, Spring Boot, and Spring Cloud. Experience in large-scale project development and application architecture design is highly preferred, especially in high-performance, distributed system environments. Strong problem-solving skills with the ability to design, build, and optimize robust backend systems. Passion for clean, scalable, and maintainable code, with a continuous drive to improve system performance and reliability. Proficiency in speaking, reading and writing in both English and Mandarin to collaborate effectively with global and cross-functional team members.   Nice to Haves  Familiarity with Python, Golang, TypeScript, Rust, or Graph technologies is a plus. Exposure to blockchain smart contracts or experience developing decentralized applications (dApps).  Understanding of major blockchain platforms such as Bitcoin, Ethereum, Hyperledger, or similar. Interest and hands-on experience with public chain ecosystems like Uniswap, AAVE, or other DeFi and Web3 protocols. Strong logical and analytical thinking, with an agile mindset, excellent learning ability, and communication skills to collaborate effectively across teams.   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! #LI-ML1 #LI-ONSITE Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX's Candidate Privacy Notice.
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