Data Science Jobs in Web3

Who We Are At OKX, we believe that the future will be reshaped by Crypto, ultimately contributing to every individual's freedom. OKX began as a crypto exchange giving millions of people access to crypto trading and over time becoming among the largest platforms in the world. In recent years, we have developed one of the most connected Web3 wallets used by millions to access decentralized crypto applications (dApps). OKX is a trusted brand by hundreds of large institutions seeking access to crypto markets on a reliable platform that seamlessly connects with global banking and payments. In the last year, OKX has expanded into new markets including Australia, Brazil, Netherlands, Singapore and Turkey, with plans to launch in the US, Belgium and the UAE. We are deeply committed to shaping a fairer, more transparent and accessible society through blockchain technology. This is why we publish proof of reserves monthly, and continue to ship new innovative security features. About the Opportunity The Data team at OKX is responsible for the end-to-end management of data across the entire OKG ecosystem. This includes everything from technical selection, architecture design, and data ingestion to storage, ETL processes, data visualization, business intelligence, and data science. Our team is composed of data engineers, analysts, and scientists, and we take full ownership of the data lifecycle, ensuring seamless integration and management of data across all stages—from ingestion to ETL, warehousing, and services. As a Data Engineer on the team, you will collaborate with colleagues to harness cutting-edge data technologies, enabling data-driven decision-making and enhancing the quality of OKX’s products and services. Additionally, working in the risk domain, you’ll have the opportunity to engage in risk behavior analysis and contribute to the development of risk strategies and models. What You’ll Be Doing

You will be responsible for designing and building offline data warehouses, including the ODS, DWD, DWS, and ADS layers, across both Alicloud and AWS platforms.

You will develop and manage real-time data warehouses, leveraging tools such as Flink, Hologress, and Aurora to build resilient, efficient, and scalable real-time data pipelines.

You will oversee the creation and optimization of risk datamarts, focusing on writing efficient, resource-friendly, and maintainable code.

You will ensure the integrity and scalability of data systems by enforcing data standards, improving data validation processes, and enhancing monitoring procedures to proactively identify and resolve issues.

What We Look For In You

Minimum 5 years of experience in data engineering, with a proven track record in building and optimizing data pipelines.

Strong proficiency with data processing tools such as Apache Spark and Apache Flink.

Extensive experience in developing both batch and streaming data pipelines.

In-depth expertise in SQL and NoSQL databases, including advanced skills in performance tuning and troubleshooting.

Advanced proficiency in SQL, with familiarity in FlinkSQL features, such as window functions, aggregate functions, and the creation of scalar functions and user-defined functions.

Knowledge of and experience with AWS Data Pipeline and related tools.

Strong programming skills in Hive-SQL, Python, Java, and Apache Spark.

A self-motivated, innovative team player with excellent collaboration, communication, and presentation skills.

Nice to Haves

Fluent in both English and Mandarin, with strong written and spoken proficiency in both languages preferred.

Familiar with Alicloud Data Engineering process

Risk related job experience, payment industry and payment risk are best

Familiar with DevOps tools such as Git, Docker, k8s

Perks & Benefits

Competitive total compensation package

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 dependents

Okcoin Statement: The salary range for this position is $126,713 to $238,518. The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via Okcoin and OKX internal or external careers site.   Okcoin is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider employment-qualified applicants with arrest and conviction records.