Senior/Staff Engineer, Decentralize Exchange (DEX)

OKX; Hong Kong; On-site; HKD 90,000 - 150,000; Full time

Benefits offered by this job

Competitive total compensation package

L&D programs and Education subsidy for

Various team building programs and公司

Wellness and meal allowances

Comprehensive healthcare schemes for员工

Job summary

OKX in Singapore is seeking an experienced backend engineer for the DEX Token Markets team to build and maintain the real-time market tracking platform. You will design high-throughput systems that cope with meme-coin style volume spikes while keeping data accurate and available.

You should have 3–5+ years in Java, a strong grasp of JVM, multithreading, and networking, plus solid MySQL experience and familiarity with caching and message queues.

Qualifications

• 3-5+ years building high-performance Java systems.
• Strong knowledge of JVM, IO, multithreading, and networking.
• Solid MySQL experience with transactions, indexing, SQL optimization.

Responsibilities

• Build and maintain the market tracking platform with meme coin–style volume spikes.
• Develop high-throughput, low-latency backend systems.
• Troubleshoot issues to ensure stability.
• Ship features on time with clean, tested code.
• Collaborate with product and engineering to keep integrations running smoothly.

Skills

Java programming

JVM concepts

Multithreading

SQL / MySQL

Caching / MQ

Data structures & algorithms

English communication

Education

Bachelor's/Master's in CS/Software Engineering

Tools

MySQL

Caching

Message queue middleware

Job description

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa

About OKX

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 DEX Token Markets team at OKX Web3 builds real-time market tracking and analysis tools across 40+ chains and hundreds of thousands of trading pairs — charts, trade feeds, watchlists, alerts, and screeners trusted by millions of traders navigating DeFi, including the fast-moving meme coin markets driving much of today's on-chain volume.

What You'll Be Doing

• Build and maintain the market tracking platform, including systems tuned for meme coin-style volume spikes and liquidity swings.
• Develop high-throughput, low-latency backend systems that keep data accurate and reliable under bursty load.
• Troubleshoot issues to ensure service stability and quality.
• Ship features on time with clean, well-tested, maintainable code.
• Collaborate with product and engineering to keep integrations running smoothly.

What We Look For In You

• Bachelor's/Master's in CS, Software Engineering, or related (or strong STEM background).
• 3-5+ years building high-performance systems in Java — strong grasp of JVM, IO, multithreading, concurrency, networking.
• Solid MySQL experience (transactions, indexing, SQL optimization) and familiarity with caching/message queue middleware.
• Strong command of data structures, algorithms, design patterns.
• Clear logic, strong communication, thrives in fast-paced environments.
• Hands-on meme coin trading experience — an active trader/degen who understands the volatility, liquidity dynamics, and speed that define this market, bringing real product intuition to the team.

Nice to Haves

• Distributed systems experience — consistency, high availability, fault tolerance, horizontal scalability.
• Experience with real-time on-chain data systems: DEX pools, token launches, liquidity tracking.
• Working proficiency in English for global collaboration.

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!

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