Principal/Senior Engineer - Defi - Explorer(Java)

Sorry, this job was removed at 06:45 p.m. (CST) on Monday, Aug 04, 2025
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Hong Kong
Financial Services
The Role
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 Opportunity

What You’ll Be Doing:

  • Responsible for developing Defi Explorer function, handle hyperscale data scenarios
  • Collaborate with the product team to independently complete module business design, and prepare core flow summary and detailed designs.
  • Independently design and develop work in accordance with the company's project development specifications.
  • Collaborate with the technical manager to design technical solutions for data storage and data application in big data scenarios, and overcome technical difficulties.
  • Proactively research and learn about blockchain knowledge, and continuously update one's own technical skills.

What We Look For In You: 

  • Years of experience in Java development, proficient in multithreading, locking, caching, design patterns, JVM tuning, and other related technologies.
  • Familiar with development frameworks such as Spring, Spring Boot, MyBatis, among others.
  • Familiar with MySQL, Redis, and SQL optimization.
  • Familiar with Elasticsearch, HBase, Kafka, and other tools, and understand their core technical principles.
  • Proficient in using tools such as Idea, Git, Maven, among others.
  • Strong learning ability, initiative, sense of responsibility, good communication skills, team spirit, and bilingual proficiency in English and Chinese.

Nice to Haves:

  • Familiarity with machine learning algorithms, capable of extracting useful information from massive data and analyzing address behavior characteristics.
  • Experience with data warehouses and the ability to calculate complex business data
  • Prior experience in big data or blockchain-related work is preferred.
Perks & Benefits 
  • Competitive total compensation
  • Comprehensive insurance coverage for employees and their dependants
  • More that we love to tell you along the process!

OKX Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about OKX and has not been reviewed or approved by OKX.

  • Fair & Transparent Compensation Pay is considered competitive or above market, especially in engineering, product, and legal roles across major hubs. This positioning is consistently cited as a major attraction for candidates.
  • Healthcare Strength Role descriptions indicate comprehensive medical, dental, vision, life, and disability coverage, with employer-paid premiums in some cases. Health coverage is highlighted alongside core benefits like PTO and parental leave.
  • Wellbeing & Lifestyle Benefits Allowances for education and fitness, meal perks and snacks, team-building budgets, and structured learning programs are described across locations. These extras enhance the total rewards package beyond base pay.

OKX Insights

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The Company
Dublin, Dublin
1,073 Employees
Year Founded: 2017

What We Do

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 decentralized finance.

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