Staff/Senior Staff Engineer, Web3 Wallet

Okx

Singapore, Singapore (Singapore ) Remote permanent

Posted: January 22, 2026

Required Skills

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 Wallet Team is responsible for building the Backend Infrastructure for OKX's Account Abstraction (AA) Wallet. They are also responsible for the Backend development of core products such as OKX Pay and Centralized Decentralized (CeDeFi) Wallets.

What You’ll Be Doing

•
Design and develop highly performant and highly available Distributed Backend services for core products like OKX Pay and AA Wallet

•
Explore emerging opportunities in DeFi to promote growth and bridge Centralized and Decentralized solutions

•
Solve complex business logic challenges and drive improvements for global user experiences

• Engage in research to leverage on new technologies in the DeFi space like SUI, Solana and Aptos

What We Look For In You

•

Bachelor's Degree in Computer Science/Engineering or in a related field with at least 6 years of industry experience.

•
Experience in the following areas:

• Familiar with the Java programming language

• Solid understanding of core Blockchain fundamentals like the Ethereum Virtual Machine (EVM) and Ethereum Architecture

• Backend Development experience in Web3 or DeFi related applications

Nice to Haves

• Professional working experience with languages like Go or Rust

•
Knowledge of ERC-4337 or other related protocols

•
Experience with Blockchain Technologies like SUI, Solana and Aptos

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!

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.

Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX's Candidate Privacy Notice.

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.