Staff & Senior Staff Engineer, Web3 Big Data Platform

P2P; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A leading crypto exchange in Singapore seeks a seasoned software developer to lead the architecture and implementation of Big Data products. You will be responsible for developing backend systems, participating in design proposals, and tackling complex challenges. Ideal candidates should have over 5 years of Java experience and a background in Big Data technologies. The role offers competitive compensation and a supportive environment for professional growth.

Benefits

Competitive total compensation package

L&D programs and Education subsidy

Wellness and meal allowances

Comprehensive healthcare schemes

Qualifications

• 5+ years of Java development experience with solid fundamentals.
• Bachelor’s degree or above in Computer Science, Software Engineering, or related fields.
• Proficient in Spring Boot, Spring Cloud or MyBatis.

Responsibilities

• Design and develop backend systems for Big Data applications.
• Architecture, design, planning, and implementation of Big Data products.
• Review design proposals for key projects and provide technical support.

Skills

Java development experience

Proficient in Spring Boot

Experience with MySQL

Knowledge of Elasticsearch

Strong passion for technology

Education

Bachelor’s degree in Computer Science or related field

Tools

Elasticsearch

Kafka

Job description

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.

About OKX

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

The Web3 Explorer team is responsible for parsing and persistently storing on‑chain data. They are responsible for developing and maintaining Explorer‑related projects, which includes calculating and monitoring real‑time metrics for DEX platforms, providing wallet and DEX users with accurate asset and transaction data, and performing multi‑dimensional statistical analysis and metric computations based on on‑chain data.

What You’ll Be Doing

• Responsible for the architecture, design, planning, development, and implementation of Big Data products and tools.
• Design and develop backend systems for Big Data applications built on enterprise‑level data warehouses; participate in requirements analysis, system design, detailed design, and technical optimization for both batch and real‑time processing scenarios.
• Review design proposals for key projects, provide technical support, and tackle complex technical challenges.

What We Look For In You

• 5+ years of Java development experience with a solid foundation in Java fundamentals, including I/O, multithreading, collections, and a good understanding of JVM principles.
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• Bachelor’s degree or above from a nationally accredited university, majoring in Computer Science, Software Engineering, or related fields.
• Proficient in mainstream development frameworks such as Spring Boot, Spring Cloud or MyBatis.
• In‑depth knowledge of mainstream database technologies such as MySQL, with experience in SQL performance optimization.
• Hands‑on experience with middleware and big data technologies including Elasticsearch, HBase/Lindorm, Flink, and Kafka; understanding of underlying principles and use cases, with the ability to propose and implement optimization solutions.
• Experience in designing and developing business platforms that handle massive volumes of data.
• Strong passion for technology, broad technical vision, curiosity, self‑motivation, and excellent learning ability.

Nice to Haves

• Knowledge of data warehousing concepts or experience with data platforms/tools.
• Experience in distributed system design and development; familiarity with Hadoop, Spark, Hive, ZooKeeper, or similar technologies is a plus.
• Basic understanding of blockchain technologies, with the ability to learn and research based on business needs.
• Background in compliance analysis within the financial industry, with experience in relationship analysis, transaction tracing, or behavioral analysis.

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 dependants
• More that we love to tell you along the process!

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