Kraken · 17 hours ago
Senior QA Automation Engineer - Web3
United States
Full-time
Remote
Senior Level
$83K/yr - $167K/yrKraken is a mission-focused company rooted in crypto values, seeking to accelerate the global adoption of crypto. The Senior QA Automation Engineer will ensure the quality, reliability, and security of Web3 and backend systems through designing, building, and maintaining automated test systems.
BitcoinBlockchainCryptocurrencyEthereum
Responsibilities
Design, implement, and maintain automated test suites covering backend services, APIs, and event-driven systems
Build and own end-to-end test automation for Web3 user flows, including wallet interactions, signing flows, approvals, and transaction lifecycle validation
Automate browser-based UI tests involving wallet extensions (e.g. MetaMask) using tools such as Synpress, Playwright, or Cypress
Validate blockchain-related workflows including deposits, withdrawals, mint/burn flows, bridges, and on-chain/off-chain reconciliation
Collaborate closely with backend, frontend, blockchain, and DevOps engineers to embed testing deeply into the SDLC
Integrate test automation into CI/CD pipelines with clear reporting, fast feedback, and high signal-to-noise
Proactively identify edge cases, race conditions, and failure modes specific to distributed systems and blockchain environments
Document test strategies, known risks, and quality gates, and help define release readiness criteria
Qualification
Required
Strong experience with test automation in JavaScript/TypeScript or Python
Proven experience testing backend systems: REST/GraphQL APIs, async workflows, message queues, and database state validation
Hands-on experience with browser-based E2E testing frameworks such as Playwright or Cypress
Practical experience automating Web3 workflows, including: Transaction signing, approvals, nonce handling, and failure scenarios
Network switching, RPC configuration, and chain-specific behavior
Experience working with CI/CD systems and running automated tests in containerized environments
Strong QA fundamentals: bug reporting, exploratory testing, risk-based testing, and test documentation
A detail-oriented, skeptical mindset with a passion for breaking complex systems to make them robust
Preferred
Wallet extensions and programmatic wallet control (e.g. Synpress, custom MetaMask automation)
Solid understanding of blockchain fundamentals (EVM and beyond): transactions, gas, events/logs, confirmations, reorgs
Familiarity with tools such as Hardhat, Foundry, or Anvil for local blockchain testing
Experience validating financial workflows, balances, and reconciliation logic
Understanding of security, custody, and wallet safety considerations
Personal or professional experience using crypto wallets, DeFi protocols, or trading platforms
Company
Kraken
Kraken is a global cryptocurrency exchange platform that allows users to buy, sell, and trade digital assets securely.
Founded in 1911
1001-5000 employees
H1B Sponsorship
Kraken has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Late StageLeadership Team
David Ripley
CEO
Trevor Rutar, MBA
Chief Executive Officer and Managing Director of Kraken Bank
Recent News
2025-10-07
Crowdfund Insider
2025-10-07
Company data provided by crunchbase