Backend Development Engineer

HIGHBLOCK LIMITED·Financial Services

HK work permit required
1 to 3 yrs exp
Bachelor
9.0 hrs/day, 5 days/wk
Salary negotiable
HK $15K-23K/Month
Job Highlights
熟悉比特币、以太坊
钱包归集研发及优化
智能合约审计、测试
Job Description

Requirements:

1. Java/Golang/Nodejs/Python/

2. Spring-boot, Microservices

3. Familiar with Bitcoin, Ethereum

4. Familiar with cryptographic components

5. Familiar with the hot wallet funds collection, in and out of gold, reconciliation, and wallet data recovery business

Duties:

1. Wallet aggregation R&D and optimization

2. Wallet SLA construction, such as work order system, fault isolation capability construction, etc.

3. Optimize asset isolation, wallet operations, and Gas fee optimization

4. Blockchain node deployment, maintenance, and cost optimization

5. Smart contract audit, testing

Web Application Development
Java Application
Software Development Methodologies
Cantonese
English
Mandarin
Cathy Chan
HIGHBLOCK LIMITED·HR
Active within 3 days
Company Overview
HighBlock Limited | A Web3-Driven Fintech Company Based in Hong Kong HighBlock Limited is a Hong Kong-based fintech company dedicated to building the next generation of digital asset infrastructure. Founded by professionals with deep experience in global exchanges, investment banking, and blockchain technology, the company aims to bridge the gap between regulated finance and Web3 innovation. We are currently applying for the Hong Kong Virtual Asset Trading Platform (VATP) license, and developing a fully compliant crypto trading and custody solution with institutional-grade infrastructure. In parallel, affiliated teams within our broader network are pursuing additional regulatory licenses—including Type 1, 2, 4, 5, and 9—to support future integration with securities trading, asset management, and advisory services. HighBlock focuses on long-term, sustainable growth driven by compliance, technology, and global market insight. We are actively exploring forward-looking areas such as DeFi, tokenization of real-world assets (RWA), and AI-powered advisory solutions to help shape the future of financial services. Join us and be part of a team redefining the financial experience through innovation and integrity.
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