Senior/Staff Software Engineer, Web3 Wallet Main

Confirmed live in the last 24 hours

OKX

Singapore, Singapore

On-site

Posted March 16, 2026

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.

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.