Senior/Staff Software Engineer, Web3 Wallet Main

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.

Team Profile

The Web3 Wallet team forms an integral component of OKX's Web3 business. We are responsible for developing on-chain asset data management, on-chain gas estimation, transaction broadcasts and other important modules. We adapt to the business's interactions with different Blockchains by ensuring that there is support for high-concurrency requests, big data processes, stability and other challenges.

Roles & Responsibilities

• Lead the architecture design and core development of the Wallet system, ensuring scalability, security, high availability, and performance optimization across the platform.

• Design and implement clean, robust, and extensible APIs, establishing best practices and technical standards for Wallet-related services.

• Own the technical design and solution architecture for key strategic projects, driving design reviews, risk assessments, and cross-team technical alignment.

• Continuously optimize system architecture and infrastructure to support business growth, high transaction throughput, and mission-critical financial operations.

• Stay up to date with Blockchain technologies and industry trends, contributing technical insights to wallet integrations and Blockchain-related initiatives.

Requirements

• Bachelor's Degree in Computer Science or equivalent, with at least 5+ years of relevant experience in the industry.

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5+ years of experience in Java programming, with a solid foundation in Java fundamentals, including IO, multithreading, collections, etc., and a good understanding of JVM principles.

• Proficient in mainstream Java development frameworks such as Spring Boot, Spring Cloud and MyBatis.

• In-depth understanding of mainstream databases and middleware such as MySQL, Redis, Elasticsearch (ES), HBase, and Kafka.

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Understanding of Web3, public chain businesses and technology, or related work experiences

Good to have

• Experience in developing high-concurrency, high-availability, and high-performance systems is preferred.

• Basic knowledge of Blockchain; familiarity with at least one of BTC, ETH, Cosmos, or Polkadot (Dot) is preferred.

• Experience in large-scale payments related projects.

Perks & Benefits

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Competitive total compensation package

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L&D programs and Education subsidy for employees' growth and development

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Various team building programs and company events

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Wellness and meal allowances

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Comprehensive healthcare schemes for employees and dependants

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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.

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