Blockchain Engineer - Blockchain Infrastructure Company

Tokalent; Hong Kong; On-site; HKD 500,000 - 900,000; Full time

Job summary

Tokalent is recruiting a Blockchain Engineer for a leading Blockchain Infrastructure Company in Hong Kong. You will architect and build blockchain-based digital assets applications for financial services, contributing to 0-to-1 product development with a hands-on approach.

You should have 4–5+ years in software engineering, 2+ years in Solidity, and strong experience with Ethereum, smart contracts, and CI/CD; DeFi project exposure is a plus.

Qualifications

• 4-5+ years of experience in Software Engineering and strong CS fundamentals.
• 2+ years of experience building and releasing production-grade Solidity contracts.
• Deep understanding of the Ethereum Virtual Machine and gas optimization; experience deploying complex smart contract systems to the Ethereum main net.
• Experience in Agile, CI/CD environments.

Responsibilities

• Architect and build blockchain-based and digital assets applications for the financial services industry.
• Contribute to the development of blockchain technologies – smart contracts and dApps on EVM networks.
• Design, implement, and refine smart contracts (primarily in Solidity).
• Work with designers, PMs, and other engineers to create high-quality applications.

Job description

About the job Blockchain Engineer - Blockchain Infrastructure Company

Company

- Our client isa global financial infrastructure platform for institutions. They provide digital assets infrastructure for financial services institutions, from large banks to Fintechs.

Role andResponsibilities

- Looking for a full-stack developer who is hands‑on, with blockchain experience to architect and build the next generation of blockchain-based and digital assets applications for the financial services industry.

- To succeed in this role, you need to be passionate about building 0-to-1 products and should have the skills & the ability to execute quickly.

- Contribute to the development of blockchain-based technologies - smart contracts & dApps on EVM Blockchain networks by designing, implementing, and refining smart contracts (primarily on Solidity).

- Deep knowledge and understanding of Ethereum & other protocols work (smart contract codebase) etc.

- Contribute towards writing and maintaining documentation & instruction manuals

- Research, apply, and invent new smart contract paradigms.

- Create a unified component library for use across front-end applications.

- Ensure product stability through testing and development of best practices.

- Work cross-functionally with designers, PMs, and other engineers to design & create high-quality applications.

Requirements

-4-5+ years of experience in Software Engineering, and strong command of computer science fundamentals and software development.

-2+ years of experience building and releasing production‑grade Solidity contracts.

-A deep understanding of the Ethereum Virtual Machine and gas optimization; prior experience deploying complex smart contract systems to the Ethereum main net

-Experience in writing code in Agile, CI/CD environments.

-Prior experience of working on DeFi projects or protocols is a plus.

-Experience with programming languages such as Python / Java / C++ / Rust is a plus.

-Experience in building high-performance REST & WebSocket APIs is a plus.

-Prior experience working with component libraries or design teams in user-facing applications is a plus.