Okx2mo ago

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Staff / Senior Staff Software Engineer, Mobile

Hong Kong·Hong Kong Sarsenior

Software EngineerSoftware Engineering

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Quick Summary

Overview

OKX will be prioritising applicants who have a current right to work in Hong Kong, and do not require OKX's sponsorship of a visa. Please note that Hong Kong is a group-level service hub,

Technical Tools

Software EngineerSoftware Engineering

OKX will be prioritising applicants who have a current right to work in Hong Kong, and do not require OKX's sponsorship of a visa. Please note that Hong Kong is a group-level service hub, and OKX does not carry on a business of operating a virtual asset trading platform in Hong Kong.

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 Role

~1 min read

We are looking for a Senior Staff Mobile Engineer to join our P2P & Fiat team, where you will own the mobile engineering for OKX’s peer-to-peer trading and fiat payment experiences across multiple markets. This is a high-ownership role sitting at the intersection of mobile engineering and cross-border payments—you will work closely with compliance, legal, and regional business teams to build localised, regulation-aware payment flows for users across Southeast Asia, LATAM, MENA, and beyond.

You bring deep familiarity with P2P trading mechanics, cross-regional fiat payment integrations, and the compliance considerations that govern them. You are also fluent in AI-assisted development and bring the discipline to build, maintain, and continuously improve your own AI engineering workflows.

Responsibilities

~1 min read

→Own the mobile engineering for P2P trading flows, including trading channel mechanics, payment methods, and end-to-end buy and sell transaction journeys.
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Build and maintain cross-regional fiat payment integrations, including local bank transfers, e-wallets, and third-party PSP integrations across markets such as Southeast Asia, LATAM, and MENA.
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Ensure mobile payment flows and user data handling comply with local and international regulatory requirements, including KYC tiers, transaction limits, and regional compliance constraints.
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Collaborate closely with compliance, legal, product, and regional market teams to translate local regulatory requirements into reliable, user-friendly mobile experiences.
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Drive technical decision-making on payment architecture, clearly articulating trade-offs across delivery speed, maintainability, and compliance.
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Apply AI coding tools actively in your workflow—not only for code generation, but also to build and maintain repeatable personal AI development workflows.
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Mentor engineers on the team and contribute to a culture of ownership, technical rigour, and high engineering standards.

5+ years of professional software engineering experience, including hands-on experience building and maintaining production mobile applications. Level will be calibrated based on technical depth, scope, and demonstrated impact.
Proficiency in either iOS development using Swift or Objective-C, or Android development using Kotlin or Java.
Solid software engineering fundamentals, including data structures, algorithms, API design, testing, debugging, and system design.
Experience delivering reliable mobile features and addressing practical challenges in areas such as performance, stability, architecture, or user experience.
Ability to take ownership of engineering work, collaborate effectively with others, and drive solutions from design through production.
Good judgment when balancing delivery speed, product requirements, technical quality, and maintainability.

Experience in crypto, fintech, digital payments, or another regulated product environment.
Experience building large-scale or multi-market consumer mobile applications.
Experience in one or more areas such as mobile architecture, infrastructure, performance, security, or cross-platform development.
Practical experience using AI-assisted development tools and validating AI-generated output.

What We Offer

~1 min read

✓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!

Location & Eligibility

Where is the job

Hong Kong Sar, Hong Kong

On-site at the office

Who can apply

Listing Details

Posted: June 29, 2026
First seen: June 29, 2026
Last seen: September 1, 2026

Posting Health

Days active: 0
Repost count: 0
Trust Level: 67%
Scored at: June 29, 2026

Signal breakdown

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Okx

greenhouse

OKX is a global cryptocurrency exchange and Web3 technology company, offering trading, wallet services, and access to decentralized finance. Founded in 2017, it serves millions of users in over 100 countries.

Employees

5k+

Founded

2017

Domain

Jobs

External application · ~5 min on Okx's site

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