Principal & Senior Engineer - Blockchain Analysis Engineer (Java)

Hong Kong, Hong Kong SAR

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 Team

The work of the blockchain parsing team involves structuring on-chain data. This means taking all the raw data from the blockchain and, through business modeling, computation, transformation, and other operations, converting it into the data required by various business applications (such as wallets, explorers, CeFi, etc.). This process involves parsing on-chain data from hundreds of blockchains with different architectures, including EVM, UTXO, Cosmos, Move, and more, as well as scheduling these operations. It also encompasses the management of complete historical data for each blockchain, reaching the scale of petabytes (PB) of data.

Responsibilities

• Responsible for researching various blockchain architectures and on-chain data parsing.
• Maintain good communication with the team, provide rational suggestions for requirements, and ensure the development work progresses smoothly as planned; ensure the system meets performance, scalability, and security requirements.
• Responsible for database design, system design, API interface design, and external system integration.
• Troubleshoot and resolve issues across the entire pipeline; optimize and improve the availability and capacity of online services, and handle unexpected online issues.

Qualifications

• Solid foundation in Java, with extensive experience in Java multithreading, concurrency, and network communication, and good coding practices.
• Familiar with common open-source projects or middleware (at least one or two), with source code experience being a plus, such as Kafka, RocketMQ, GRPC, Dubbo, Redis, MySQL, Elasticsearch (ES), caching mechanisms, Spring/SpringBoot, etc.
• Proficient in mainstream open-source application frameworks such as SpringBoot, SpringMVC, MyBatis, SpringCloud, etc.
• Experience in developing and designing large-scale data platforms.
• Strong learning ability, teamwork, and communication skills; proactive in thinking and capable of independent analysis and problem-solving.
• Understanding of Web3, public blockchain business, and technology; relevant work experience is a plus.
• Strong sense of responsibility, ownership mindset, and an exploratory spirit.

Benefits

• 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