Senior/Staff Engineer, Decentralize Exchange (DEX)

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.

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

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

What We Look For In You

1. Bachelor's/Master's in CS, Software Engineering, or related (or strong STEM background).
2. 3-5+ years building high-performance systems in Java — strong grasp of JVM, IO, multithreading, concurrency, networking.
3. Solid MySQL experience (transactions, indexing, SQL optimization) and familiarity with caching/message queue middleware.
4. Strong command of data structures, algorithms, design patterns.
5. Clear logic, strong communication, thrives in fast-paced environments.
6. 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

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