Security Engineer

Sha Tin, hk on site Until 8/23/2026 First posted March 22, 2025 Last posted March 22, 2025
Job description

CryptoBLK Limited

What We Do

Established in 2017, CryptoBLK in Hong Kong is a young and thriving technology start-up specialising in Blockchain solutions. Expanding our offices in Taiwan and China, we’ve built up the complete set of DLT software development and operation capabilities in Trade Finance, Supply Chain & Logistic, Insurance Technology, Central Bank-issued Digital Currency (CBDC), Payment & Settlement & Crypto-Tokens. Together, we empower our customers to unleash their Web3 potential through blockchain technology and to create a trusted digital ecosystem.

Why Work Here

CryptoBLKers are widely diverse and believe deeply in the power of “connected”. We’re united by a common DNA because we’re the people who revolution the global FinTech market with Blockchain and Cryptography. We’re all passionate about individual skillsets of every CryptoBLKer coming together to form a multi-dimensional presence. We’re just getting started and welcome other intellectually curious and open-minded individuals to join our family.

What You'll Do

Smart Contract Audit

  • Running Audit Automated Tools.
  • Performing manual smart code analysis and tool-assisted security reviews of smart contracts on public blockchain (Solidity).
  • Writing audit report.

 

Application Security Task

  • Protecting business application from security attacks by developing, inserting, and testing security components that make an application more secure.
  • Working with development teams to ensure security of backend applications;
  • Taking proactive steps (constant and dynamic app security testing) to discover vulnerabilities and patch them before hackers get a chance to exploit them.
  • Working with DevOps trams to design and implement security of infrastructure
  • Setting up security control measures and implement different types of application security.
  • Set up monitoring to help identify culprits in case of a data breach and to keep track of application’s behaviour.
  • Preventing attackers from accessing information they are not authorised to see, especially with data in transit.
  • Running security test to reveal application vulnerabilities.

What You'll Need

  • B.S. in Computer Science, Information Technology, or another related discipline;
  • At least 3-4 years of experience in hand-on security tasks;
  • Experience either with web application penetration testing or with Solidity security reviews or equivalent experience;
  • Being able to expand knowledge and skill into adjacent areas, described above.

What We Expect

  • Passionate in learning the latest technologies;
  • Passionate in producing large-scale systems for complex business solutions;
  • Self-motivated and fast learner;
  • Strong communication and collaboration skills.

What You’ll Receive

As an equal opportunities employer, we’re dedicated to provide fringe benefits so as to fostering a family-friendly culture and work environment. 

Market Leading Remuneration Package:

  • Birthday Leave
  • Discretionary Bonus
  • Medical Insurance
  • Dental Insurance
  • Employee Share Option Subscription Scheme (ESOSS)

Supportive Working Environment:

  • Flexible Work Arrangements
  • Education Sponsorship
  • Health Check
  • Laboratory Test

Work-Life Balance:

  • Five-Day Week Schedule
  • Work From Home Policy
  • Company Activities
  • Birthday Party
  • Happy Friday

How To Apply

Does the above sound interest to you? If so, we’d love to hear from you. 

Interested candidates can send an applications with a detailed resume, current and expected salary, and availability to us.

About this role

Summary

Perform smart contract audits, application security testing, and vulnerability management in blockchain environment.

Job title

Security Engineer

Experience level

3-4 years

Industry

technology

Location requirements

Sha Tin, hk, remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

security tasksweb application penetration testingsolidity security reviewssecurity testing

Preferred skills

blockchaincryptographyDevOps security

Specializations

blockchainsmart contractsapplication securitycryptography
Locations

Structured locations inferred from the posting.

Sha Tin, Hong Kong

On-site City