Senior Data Engineer

As a Senior Data Engineer at OKX, part of OKG, you design and maintain real-time and batch data processing pipelines that power a leading crypto exchange and wallet platform used by millions. You work with Apache Flink to build scalable, high-performance streaming systems alongside data scientists, AI specialists, compliance, risk, and engineering teams to deliver robust data solutions across the organization.

What you'll do

• Design, develop, and maintain real-time and batch data processing pipelines using Flink, ensuring high performance and scalability
• Own the architecture design and development of Flink streaming systems, tailoring solutions to complex business requirements
• Collaborate with data scientists to support feature engineering and develop feature stores for machine learning models in production
• Work closely with cross-functional teams, including AI, compliance, risk, and engineering, to provide robust and scalable data solutions
• Troubleshoot and resolve performance bottlenecks and technical challenges in real-time stream processing, ensuring system stability and scalability
• Improve system performance and data integrity, addressing complex issues in real-time data pipelines

What you bring

• Deep expertise in Apache Flink for real-time data streaming and processing, with experience designing and developing streaming architecture
• Familiarity with data platforms such as Alibaba Cloud Hologres, Doris, Clickhouse, and Spark
• Experience in feature engineering and feature store development to support machine learning applications in production environments
• At least 10 years of relevant work experience, especially in large enterprises or international Fintech companies
• Background in FinTech or blockchain companies
• Strong English communication skills to work effectively in a cross-national team

Nice to have

• Experience developing feature stores
• Experience with blockchain technology

About OKX

OKX is a leading crypto exchange and developer of OKX Wallet, giving millions access to crypto trading and decentralized applications. OKX is part of OKG, a group bringing blockchain value to users worldwide through products including OKX Wallet and OKLink, and serves hundreds of large institutions seeking access to crypto markets.