---
title: 'Principal/Senior Software Engineer, Mobile, CEX at OKX'
canonical: 'https://feeny.ai/job/principal-senior-software-engineer-mobile-cex-okx-hong-kong-pcvc25s28fsj'
type: 'job'
last_seen: '2026-11-06'
---

# Principal/Senior Software Engineer, Mobile, CEX at OKX

- **Company:** OKX
- **Location:** Hong Kong, Hong Kong
- **Posted:** 2026-06-10
- **Last confirmed live:** 2026-11-06
- **Apply:** https://job-boards.greenhouse.io/okx/jobs/7768122003

## Job description

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.

## 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.

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 Team

The CEX Trading Mobile Team sits at the heart of OKX's flagship exchange product, owning the trading experience for millions of users worldwide. We build and scale the real-time market data infrastructure that powers the OKX App — from live quotes and K-line charting to the full suite of trading scenarios that traders rely on every day. As a team, we care deeply about engineering quality: we hold high standards for technical architecture, move fast without cutting corners on stability or performance, and invest consistently in growing our craft through knowledge-sharing and technical training. We're now at an exciting inflection point, actively integrating AI into our product and engineering workflows — exploring how large language models, on-device inference, and intelligent agents can reshape the trading experience. If you're energized by solving hard technical problems at scale, working in a fast-moving market that never sleeps, and driving real innovation in one of the world's leading crypto platforms, this is the team to be on.

## What You'll Be Doing

- Owning the technical design and delivery of trading market data features for the OKX App — including real-time quotes, K-line charts, and related scenarios: Leading the team through product development, optimization, and ongoing maintenance.

- Participate in product requirement discussions, define well-reasoned technical solutions, and safeguard product performance, stability, and user experience.

- Stay deeply informed on industry trends, continuously refine the technical architecture, and drive the growth of the team's engineering capabilities.

- Organize and take part in technical training and knowledge-sharing sessions to elevate the team's overall technical proficiency.

- Coordinate cross-functional resources to keep projects on track and on quality, ensuring smooth, high-quality feature launches.

- Continuously improve the user experience, performance, and architecture of the modules under your ownership.

- Lead the team in exploring the integration of AI into business scenarios, driving product and technology innovation.

## What We Look For In You

- Hands-on AI engineering/pipeline development experience — Solid understanding of LLM fundamentals, Prompt Engineering, RAG, and core Agent concepts; proven practical experience delivering AI engineering solutions, including building complete AI workflows/pipelines from the ground up.

- Track record of leading mid-to-large-scale projects end-to-end — High standards for technical architecture and engineering quality.

- Trading business background — Client-side development experience at a crypto exchange, brokerage, or fintech app; familiarity with core domains such as order matching, market data display, and asset management.

Nice-To-Haves

- Native iOS or Android development background — Solid mobile engineering foundation with knowledge of mainstream platform architecture, performance optimization, and release processes.

- Client-side team management experience — Has led a client-side team of 5 or more; capable of mentoring, cross-team collaboration, and technical review.

- On-device AI or cross-platform experience — involve on-device AI inference, multimodal client features, or cross-platform architecture with Flutter / React Native.

## Perks & Benefits

- 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!

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.

Notice:

All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website.

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](https://www.okx.com/en-eu/help/okx-candidate-privacy-notice).

## About OKX

## Company Overview
- **One-liner**: OKX is a world-leading digital asset exchange and Web3 platform offering spot and derivatives trading, a self-custody wallet, and decentralized application access to over 100 million users globally.
- **Entity Type**: Private (venture-backed; last round $200M in March 2026)
- **Headquarters**: Seychelles (legal entity: Aux Cayes FinTech Co. Ltd.)
- **Founded**: 2017
- **Founders**: Star Xu

## Core Business
- **Primary industry**: Cryptocurrency exchange, digital asset trading, Web3 infrastructure.
- **Target customers**: B2C (retail traders, crypto enthusiasts) and B2B (institutions, high-frequency traders, liquidity providers). Serves both individuals and large institutions.
- **Mission**: To reshape the world with crypto, contributing to every individual’s freedom, and to build a fairer, more transparent, and accessible society through blockchain technology.

## Products & Services
- **Spot Trading**: Buy and sell over 300 cryptocurrencies with low fees.
- **Derivatives**: Futures, options, and perpetual swaps for advanced trading strategies.
- **Structured Products**: Yield-bearing products for passive income.
- **OKX Wallet**: Self-custody Web3 wallet supporting dApps, DeFi, NFTs, and cross-chain swaps.
- **OKX Pay**: Fiat on-ramp and payment infrastructure for seamless deposits.
- **Institutional Services**: Ultra-low latency API connectivity, prime brokerage, and tailored liquidity solutions.
- **Proof of Reserves**: Monthly public attestation of asset backing (1:1).

## Market Standing
- **Valuation**: Not publicly disclosed.
- **Key Metrics**: Over 100 million customers worldwide; 2,886 employees (as of mid-2026, +14.3% YoY); $200M total funding (venture round, March 2026).
- **Notable Investors/Partners**: One undisclosed investor in the latest round. Partnerships include McLaren F1, Manchester City FC, Tribeca Film Festival.
- **Growth Signals**: Expanded into Australia, Brazil, Netherlands, Singapore, and Turkey in the last year; plans to enter US, Belgium, and UAE. Active job postings: 246. Employee headcount grew 14.3% YoY.

## Competitive Advantages
- **Liquidity & Low Fees**: One of the top crypto exchanges by trading volume with competitive fee structures.
- **Transparency**: Monthly proof-of-reserves reports publicly verifiable.
- **Security**: Multi-layer security, GSLB, distributed server clusters, and dedicated security engineering teams.
- **Global Reach**: Available in over 180 countries/regions with localized support.
- **Web3 Integration**: Deeply connected wallet bridging centralized and decentralized finance.

## Strategic Focus
- **AI-Native Product & Engineering**: Investing heavily in AI agents, chatbots, and infrastructure for automated trading and user experience.
- **Institutional Growth**: Expanding VIP relationship management, prime brokerage, and institutional-grade tools.
- **Global Regulatory Compliance**: Obtaining licenses in new jurisdictions (e.g., Singapore, Turkey, Brazil) while maintaining a robust compliance center.
- **Web3 Ecosystem**: Growing the OKX Wallet and dApp connectivity to drive DeFi adoption.

## Why Work Here
- **Culture**: Values-driven environment with core principles: "WE before Me", "Do the right thing", and "Get things done". Emphasis on ownership, transparency, and innovation.
- **Work Policy**: Hybrid/office roles across multiple global hubs (Singapore, Hong Kong, San Jose, Dubai, etc.). Remote flexibility varies by role.
- **Perks**: Competitive benefits including learning budgets, team events, and the "Supernova Program" for early-career talent. Engineering teams work on cutting-edge blockchain and AI problems.
- **Engineering Culture**: Strong focus on AI-native development, Rust/Java/Go, mobile infrastructure, and security. High percentage of technical roles (721 engineers, 10% of workforce).
- **Growth Opportunity**: Rapidly scaling company with global expansion, offering cross-functional mobility and exposure to senior leadership.

## Sources
1. [okx.com - About & Careers](https://www.okx.com/en-us/join-us)
2. [LinkedIn - OKX Company Page](https://www.linkedin.com/company/okxofficial/jobs)
3. [Greenhouse - OKX Job Board](https://job-boards.greenhouse.io/okx)
4. [okx.com - Main Site](https://www.okx.com/)

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