Staff/Senior Staff Engineer, Web3 Wallet

OKX; Singapore; On-site; SGD 75,000 - 100,000; Full time

Job summary

A leading crypto exchange in Singapore is seeking a Backend Developer to design and develop high-performance Distributed Backend services. Ideal candidates will have over 6 years of experience, strong knowledge of Java, and a background in Blockchain fundamentals. This role offers a competitive compensation package, wellness allowances, and a supportive work environment focused on employee development.

Benefits

Competitive total compensation package

L&D programs and Education subsidy

Team building programs and company events

Wellness and meal allowances

Comprehensive healthcare schemes

Qualifications

• At least 6 years of industry experience.
• Familiar with the Ethereum Virtual Machine (EVM) and Ethereum Architecture.
• Experience with Blockchain Technologies like SUI, Solana, and Aptos.

Responsibilities

• Design and develop highly performant and highly available Distributed Backend services.
• Explore emerging opportunities in DeFi to bridge Centralized and Decentralized solutions.
• Solve complex business logic challenges for global user experiences.
• Engage in research to leverage new technologies in the DeFi space.

Skills

Java programming language

Core Blockchain fundamentals

Backend Development in Web3 or DeFi

Education

Bachelor's Degree in Computer Science/Engineering or related field

Tools

Go

Rust

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!

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