Senior Automation QA Engineer

As a Senior Automation QA Engineer at Hyphen Connect, you own quality assurance across core blockchain infrastructure and product applications. You design and execute comprehensive test strategies covering network and RPC functionality, web applications, APIs, wallet interactions, smart contracts, and on-chain transactions, working across protocol-level and application-level scenarios.

What you'll do

• 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, end-to-end, 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 and end-to-end flows, RPC interfaces, and on-chain scenarios
• Investigate issues across blockchain nodes, RPC, smart contracts, frontend and backend services, and third-party integrations, driving them through to resolution

What you bring

• 5+ years of experience in software testing, test automation, or SDET roles
• Strong programming skills in at least one modern language such as Python, JavaScript/TypeScript, Go, or Java
• Hands-on experience with API and Web and end-to-end 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
• A 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 and 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
• A background in constructing automation frameworks, running performance and stability testing, or integrating quality controls into CI and CD pipelines