
The all-in-one cryptocurrency trading platform
OKX is a leading cryptocurrency exchange headquartered in Mahe, Seychelles, serving over 50 million active users across 180 countries. The platform offers a comprehensive suite of services, including crypto trading, NFT marketplaces, and decentralized finance (DeFi) products. With a commitment to se...
OKX provides a comprehensive insurance package covering medical, dental, vision, disability, and life insurance. Employees enjoy paid parental leave, ...
OKX fosters a culture focused on accessibility in cryptocurrency trading, aiming to demystify the crypto space for users of all levels. The company va...

OKX • Singapore, Singapore
OKX is seeking a Staff/Senior Staff Engineer for their Web3 Wallet team to design and develop backend infrastructure for crypto applications. You'll work with technologies like Java, JavaScript, and Solidity to build decentralized solutions. This role requires significant experience in backend development.
You have 5+ years of experience in backend engineering, particularly in building scalable and reliable distributed systems. Your expertise in Java and JavaScript allows you to design high-performance applications that meet the demands of a rapidly evolving crypto landscape. You are familiar with blockchain technologies and have experience working with decentralized applications (dApps), which positions you well for this role.
Your background includes a strong understanding of complex business logic and the ability to solve intricate challenges in the development of crypto wallets and payment systems. You thrive in collaborative environments and are eager to contribute to a team that is at the forefront of the Web3 movement. You are also comfortable exploring emerging opportunities in decentralized finance (DeFi) and bridging centralized and decentralized solutions.
Experience with Solidity and Web3.js is a plus, as these skills will enhance your contributions to the team. Familiarity with account abstraction and decentralized finance concepts will also be beneficial in this role. You are a proactive learner, always seeking to expand your knowledge in the blockchain space and apply it to your work.
In this role, you will design and develop backend infrastructure for OKX's Account Abstraction Wallet and other core products like OKX Pay. You will be responsible for creating highly available and performant distributed backend services that support millions of users. Your work will involve collaborating with cross-functional teams to ensure that the backend systems are robust and scalable.
You will explore new opportunities in DeFi, driving growth and innovation within the organization. Your ability to solve complex business logic challenges will be crucial as you work on improving existing systems and developing new features that enhance user experience. You will also participate in code reviews and contribute to the overall technical direction of the team.
At OKX, you will be part of a dynamic team that is passionate about reshaping the future of finance through blockchain technology. We offer a competitive salary and benefits package, along with opportunities for professional growth and development. You will work in a supportive environment that values collaboration and innovation, allowing you to make a significant impact in the crypto space.
Join us at OKX and be part of a mission-driven company that is committed to providing individuals with access to decentralized financial solutions. We encourage you to apply even if your experience doesn't match every requirement, as we value diverse perspectives and backgrounds.
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