Senior Staff Software Engineer, Payments

Who We Are

At OKX, we believe our future is reshaped with technology.   Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 countries globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX’s vision is a world of financial access backed by blockchain and the power of decentralized finance.   We invest in our people as much as we invest in the technology. We are united by our engaging culture, here we win as a team, embrace changes, and do the right thing. We are committed to creating a friendly, rewarding and diverse environment for OKers. It doesn’t matter where you come from, everyone feels valued here, respected and has the same opportunities to develop and thrive — we want to bring out the best in you.

About the Team 

Our Payments Team is a recently-formed development team focused on supporting a growing list of integrations to support payments, crypto transactions and the creation of complex compliance and regulation flows. This is a unique opportunity for technology enthusiasts to embrace your next challenge, to design tailor-made solutions, and to build high-performance web services that handle large volumes of transactions 24x7.

About the Opportunity

We’re looking for a Senior Staff Software Engineer to help lead our Payments Team. This role will provide an early and significant impact on the engineering team in the US. You will be reporting to the engineering director of payment engineering and also work closely with product leadership, head of engineering. You will collaborate with the oversea engineering team and work with management to build out the payment engineering team in the US.

What You'll Be Doing:

• Design and develop 24/7 high scale APIs and distributed systems, the tech stack will be on AWS. Java would be the language for the existing code base. Java Spring Boot will be the framework
• Write unit tests, integration tests and CI/CD scripts
• Own, monitor and improve our services in production
• Lead design efforts, write technical design documents and hold design review meetings
• Own and lead collaborative efforts with various stakeholders including: Product, Design, Business and oversea engineering teams
• Development and testing of high quality product features spanning multiple product domains
• Work with engineering managers, architects, engineers & QA to develop innovative solutions that meet market needs w.r.t functionality, performance, reliability, realistic implementation schedules and adherence to development goals and principles
• Be a technical leader; research and promote new technologies and tools
• Face technical challenges - performance, fault-tolerance, security and live production issues
• Be involved throughout our services life cycle, influence every step of the way
• Be part of an amazing fast-paced team

What We Look For In You:

• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent work experience. An advanced degree is preferred.
• At least 7 years of relevant work experience in software development, with a focus on building complex systems for infrastructure, including storage, distributed systems, or large-scale system design.
• Expertise as Java developer, other language experience (C++, Python, Go, Rust) can be a plus
• Experience designing, analyzing and troubleshooting large-scale distributed systems. And expertise in dealing with complex legacy systems and transforming them into modern, scalable solutions.
• Proficiency in designing and implementing solutions using advanced industry technologies and frameworks.
• Demonstrated ability to solve cross-cutting concerns in application design, such as security, performance, scalability, and maintainability.
• A deep understanding of system architecture, including processors, storage, and networking.
• Experience with open-source technologies and cloud services; experience with AWS, Google Cloud, or Microsoft Azure is a plus.
• Familiarity with running web services at scale; understanding of systems internals and networking are a plus.
• Experience working