OKX

Senior Staff Software Engineer, Mobile P2P & Fiat

OKX
Apply
2 months ago
Hong Kong, Hong KongStaff+

Responsibilities

  • Own mobile engineering for P2P trading flows, payment methods, and end-to-end buy/sell transaction journeys
  • Build and maintain cross-regional fiat payment integrations with local banks, e-wallets, and third-party PSPs
  • Ensure mobile payment flows and user data handling meet local and international regulatory requirements
  • Translate regional regulatory requirements into reliable, user-friendly mobile experiences with cross-functional teams
  • Drive payment architecture decisions and communicate trade-offs among speed, maintainability, and compliance
  • Use AI coding tools to build repeatable personal AI development workflows
  • Mentor engineers and promote strong ownership and engineering standards

Requirements

  • 8+ years of software engineering experience shipping production-quality mobile systems at scale
  • Strong familiarity with P2P trading channels, payment methods, and consumer-facing buy/sell transaction flows
  • Hands-on experience with cross-regional fiat payment integrations, including bank transfers, e-wallets, and third-party PSPs
  • Working knowledge of KYC tiers, transaction limits, and regional regulatory constraints
  • Ability to build and maintain personal AI-assisted engineering workflows
  • Strong cross-functional communication with compliance, legal, product, and regional market teams
  • Ability to balance speed, quality, and compliance
  • Mobile development experience with iOS or Android is a plus
  • Experience with PSPs or payment rails in Southeast Asia, LATAM, or MENA is a plus
  • Background in fintech, crypto, or regulated consumer financial products is a plus
  • Familiarity with anti-fraud mechanisms and multiple regulatory environments is a plus
  • Current right to work in Hong Kong without visa sponsorship

Benefits

  • Competitive total compensation package
  • Learning and development programs and education subsidy
  • Team-building programs and company events
  • Wellness and meal allowances
  • Comprehensive healthcare schemes for employees and dependants
  • Onsite role in Hong Kong
  • Applicants must have current Hong Kong work authorization and not require visa sponsorship

Tech Stack

JavaKotlinObjective-CSwift

Categories

Mobile
OKX

About OKX

1,001-5,000 employees

At OKX, we believe that the future will be reshaped by Crypto, ultimately contributing to every individual's freedom. OKX began as a crypto exchange giving millions of people access to crypto trading and over time becoming among the largest platforms in the world. In recent years, we have developed one of the most connected Web3 wallets used by millions to access decentralized crypto applications (dApps). OKX is a trusted brand by hundreds of large institutions seeking access to crypto markets on a reliable platform that seamlessly connects with global banking and payments. In the last year, OKX has expanded into new markets including Australia, Brazil, Netherlands, Singapore and Turkey, with plans to launch in the US, Belgium and the UAE. We are deeply committed to shaping a fairer, more transparent and accessible society through blockchain technology. This is why we publish proof of reserves monthly, and continue to ship new innovative security features. We believe in good sportmanship and the pursuit to be better. You may see our OKX logo neatly fitted on the McLaren F1 cars, Manchester City FC team shirts, or at the Tribeca Film Festival celebrating artists and creators. Wherever you may find us, you will notice our pursuit of making our world more efficient, transparent, and connected. To learn more about OKX, download our app or visit: www.okx.com UK users follow: https://www.linkedin.com/company/okxuk/ Learn more about working at OKG, the business group developing OKX, our Digital Assets Exchange, our Web3 portal and blockchain ecosystems: bit.ly/WorkingatOKG