Staff Software Engineer, Payment

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.

About The Opportunity
We're hiring
Staff (or Senior Staff) level engineers
to take on high-impact, mission-critical projects. This is a chance to
shape the foundation of a scalable, resilient, and highly observable payment platform
while working alongside
top-tier product managers, designers, and engineers
. If you're looking to make a real difference and build at scale, we'd love to connect

What You'll Be Doing

• Design and develop high-scale, 24/7 APIs and distributed payment services across multiple cloud providers, ensuring reliability and performance.
• Work with Java as the primary language, leveraging Spring Boot to build and enhance the existing codebase.
• Collaborate in code reviews, providing and receiving constructive feedback to uphold high coding standards.
• Diagnose and resolve complex technical challenges, driving effective solutions and long-term improvements.
• Stay ahead of industry trends, continuously learning and applying the latest advancements in technology and software development.
• Thrive in a fast-paced, high-impact team, contributing to cutting-edge payment solutions.

What We Look For In You

• 6+ years of software development experience, with a strong track record of building scalable and reliable systems.
• Experience with payment systems, financial integrations, or API development.
• Proficiency in Java (experience with other languages is a plus).
• Proven ability to develop and maintain high-availability, large-scale applications.
• Strong grasp of software engineering principles, including data structures, algorithms, and design patterns.
• Effective collaborator who thrives in a team environment and can drive cross-team solutions with complex dependencies.
• Excellent problem-solving skills, with the ability to work both independently and within a team.
• Strong communication skills, capable of articulating complex technical concepts to non-technical stakeholders.

Nice to Haves

• Experience with Java Spring Boot is preferred
• Experience with payment systems and platforms is highly desirable.
• A history (and preference) of being both strategic, analytical and execution-oriented
• Familiarity with product management processes and tools
• Experience working with teams across offices and time zones

Perks & Benefits

• Competitive total compensation package
• L&D programs and Education subsidy for employees' growth and development
• Various team building programs and company events

OKX Statement
The salary range for this position is $214,000 to $321,000. The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via OKX internal or external careers site.

OKX is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider employment-qualified applicants with arrest and conviction records.

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.