Senior Automation QA Engineer

Hyphen Connect Limited; Hong Kong; Sur place; HKD 420 000 - 640 000; Plein temps

Résumé du poste

Hyphen Connect Limited is seeking an experienced SDET to own QA across its blockchain-centric infrastructure and product applications. The role focuses on testing protocols, APIs, wallets, and on-chain interactions, with strong emphasis on automation and robust test design.

The ideal candidate has 5+ years in testing, hands-on API and Web/E2E automation, and deep blockchain knowledge. You will identify risks, drive quality from requirements to release, and collaborate across frontend, backend,

Qualifications

• 5+ years of experience in software testing, test automation, or SDET roles.
• Hands-on API and Web/E2E automation testing.
• Deep understanding of blockchain fundamentals: transactions, blocks, RPC nodes, wallets, signing, and smart contracts.
• Strong test design and debugging skills for distributed/transaction-based systems.
• High ownership to drive product quality from requirements to release.

Responsabilités

• Own QA across core blockchain infrastructure and product applications (network, RPC, web apps, APIs, wallets, smart contracts).
• Design and execute test strategies for protocol and application level scenarios (functional, integration, E2E, regression, compatibility).
• Identify risks in complex transaction/asset flows and edge cases across on-chain/off-chain systems.
• Build and maintain automated testing for APIs, web/E2E flows, RPC interfaces, and on-chain scenarios.
• Investigate issues across blockchain nodes, RPC, smart contracts, frontend/backend services, and third-party integrations.

Connaissances

Test automation

API testing

Web/E2E automation

Blockchain basics

Test design

Ownership

Outils

Foundry

Hardhat

viem

ethers.js

Web3.py

Description du poste

• Own quality assurance across core blockchain infrastructure and product applications, covering network and RPC functionality, web applications, APIs, wallet interactions, smart contracts, and on-chain transactions.
• Design and execute test strategies for both protocol-level and application-level scenarios, including functional, integration, E2E, regression, and compatibility testing.
• Identify risks in complex transaction and asset flows, including state transitions, data consistency, failure recovery, and edge cases across on-chain and off-chain systems.
• Build and maintain automated testing for APIs, web/E2E flows, RPC interfaces, and on-chain scenarios.
• Investigate issues across blockchain nodes, RPC, smart contracts, frontend/backend services, and third-party integrations, driving them through to resolution.

Requirements

• 5+ years of experience in software testing, test automation, or SDET roles.
• Hands-on experience with API and Web/E2E automation, including the ability to independently build test tools and automation scripts.
• Deep understanding of core blockchain fundamentals, including transactions, block architecture, RPC nodes, wallets, cryptographic signing, and smart contracts.
• Strong test design and debugging skills with experience analyzing complex distributed or transaction-based systems.
• High degree of ownership and the ability to independently drive product quality from initial requirements through production release.

Nice to Have

• Hands-on experience testing blockchain infrastructure, L1/L2 networks, or EVM-compatible ecosystems.
• Exposure to DeFi protocols, DEXs, cross-chain bridges, Web3 wallets, or financial trading applications.
• Familiarity with development and testing tools such as Foundry, Hardhat, viem, ethers.js, or Web3.py.
• Background in constructing automation frameworks, running performance/stability testing, or integrating quality controls into CI/CD pipelines.