OKX is hiring a
Web3 Senior Software Engineer - DEX

Compensation: $27k - $45k *

Location: Singapore

About OKX

Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX’s vision is a world of financial access backed by blockchain and the power of decentralised finance.

About the DEX team

The dex service team is a one-stop multi-chain and cross-chain aggregation trading platform. Through intelligent routing splitting algorithm X Routing, it automatically calculates the optimal transaction path and transaction volume split. It provides users with the optimal transaction price with lower slippage and less network fees in multi-chain and cross-chain scenarios. Currently, DEX supports 10+ chain transactions, aggregates 100+ mainstream DEXs,100,000+ currencies, and supports mainstream cross-chain bridges such as cBridge, MultiChain, and SWFT, Realize a DEX to trade any asset in any chain.


  • Formulate, select, and develop technical schemes for platform projects

  • Organize and coordinate resources, leading project research and development, troubleshoot problems, and ensure quality and timely completion

  • Facilitate cross-team communication and promote teamwork efficiency through code quality control and collaboration

  • Undertake team tasks and cultivate technical talents in the industry


  • Possess a solid foundation in Java, with a deep understanding of JVM configuration optimisation strategies and tuning, IO, multi-threading, concurrency frameworks, common data structures, algorithms, and design patterns.

  • Good programming specifications and rich work experience

  • Familiar with mainstream open source application frameworks, such as SpringBoot, SpringMVC, Mybatis, SpringCloud, etc.

  • Experience with MySQL, Oracle, and other databases, with an in-depth understanding of things, locks, indexes, database and SQL optimisation, design methods such as sub-database sub-table, leader/follower synchronization

  • Familiar with common middleware, such as MQ, RPC, cache, message queue etc.

  • Possess a deep understanding of the design principles of common caching systems, such as Memcached, Redis, etc. and be able to accurately choose caching solutions

  • Have a good understanding of distributed system principles, including CAP, consistency, idempotence operation, etc.

  • Clear logic, quick thinking and good communication skills

  • Bilingual is highly preferred ( Mandarin and English) as the team will be working with stakeholders in different regions

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Compensation: $27k - $45k *

Location: Singapore

This job is closed

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