Senior Engineer - Web3 Application - Blockchain Wallet

Sorry, this job was removed at 06:14 a.m. (CST) on Wednesday, Mar 25, 2026
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Hiring Remotely in Hong Kong
Remote
Fintech • Financial Services • Cryptocurrency
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 the development of blockchain application layer business services (including web3 wallet, staking and defi protocol design, etc.)
  • System Performance optimization, technical research and development to ensure high availability, high reliability and high performance requirements;
  • The architecture capability has the ability to discover service optimization points and improve engineering production efficiency.
  • Familiar with business and product requirements, complete functional design, architecture design optimization, and R & D work.

What We Look For In You:

  • Solid Java language programming experience and Java foundation, understanding of io, multi-threading, collection and other basic knowledge, have a certain understanding of JVM principles
  • Bachelor's degree or above in computer science, software engineering or related majors.
  • Proficient in mainstream development frameworks such as SpringBoot and Mybatis
  • Have a deep understanding of mainstream databases such as MySql, Redis, ES, Hbase, Kafka, or Middleware.
  • Have a strong interest in technology, broad vision, enjoy studying, have ambition, and have good learning ability.
  • Have experience in developing blockchain platform products, familiar with Bitcoin, Ethereum, etc., or understand one or more mainstream DeFi projects such as MakerDao, uniswap, compound, synthetix, etc.
  • Has a high sensitivity to the blockchain industry, can keep up with industry hotspots, lead the team to chase blockchain industry hotspots, and promote the landing of new products

Nice to Have

  • Candidates with experience in high-concurrency, high-availability, and high-performance project development are preferred.
  • Have a certain understanding of blockchain, knowledge of one of BTC, ETH, Cosmos, Dot is preferred, or knowledge of one or more mainstream DeFi projects: MakerDao, uniswap, compound, synthetix, etc
  • Lively personality, good at communication, those with project management experience are preferred.
  • Master C++, Go, TS any one language and above.

Perks & Benefits 

  • Competitive total compensation
  • Comprehensive insurance coverage for employees and their dependants
  • More that we love to tell you along the process!

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.

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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