Senior QA Automation Engineer - Web3

Building the Future of Crypto Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken’s focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world. Before you apply, please read the Kraken Culture page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here. As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures. Become a Krakenite and build the future of crypto! Proof of work The team We are seeking an experienced Senior QA Automation Engineer to join our platform team, focused on ensuring the quality, reliability, and security of our Web3 and backend systems. The team builds and operates core infrastructure and user-facing applications that interact with blockchains, smart contracts, wallets, and off-chain services. Our goal is to deliver highly reliable, production-grade financial products in a fast-moving and highly regulated environment. This role focuses on designing, building, and maintaining automated test systems across backend services, smart-contract–adjacent flows, and Web3-enabled user interfaces. We are looking for someone with an extreme eye for detail, strong systems thinking, and a pragmatic “ship fast, but don’t ship broken” mindset. The opportunity • 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 Skills you should HODL • 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 Nice to haves • 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 This job is accepting ongoing applications and there is no application deadline. Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution. We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance. Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgable about crypto! As an equal opportunity employer, we don’t tolerate discrimination or harassment of any kind. Whether that’s based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws. Stay in the know Follow us on Twitter Learn on the Kraken Blog Connect on LinkedIn Candidate Privacy Notice Apply tot his job