Senior QA Engineer - Web3 job opportunity at Xsolla.

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Xsolla Senior QA Engineer - Web3
Experience: 7 Years
Pattern: hybrid
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Technology,Engineering

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degreeBachelor's (B.Sc.)
loacation Montreal, Canada
loacation Montreal....Canada

ABOUT YOUWe are looking for a Senior QA Engineer with strong Web3 experience to join our engineering team. You are meticulous, technically sharp, and deeply curious about decentralized technologies. You understand the nuances of blockchain interactions, wallet integrations, smart contract behavior, and hybrid on‑chain/off‑chain systems.You thrive in fast‑paced, agile environments and bring a proactive approach to quality—anticipating risks, validating distributed systems, and ensuring seamless user experiences across Web3‑enabled features. You are confident in manual testing, comfortable with API‑level validation, and eager to integrate AI‑driven testing tools to improve coverage, speed, and defect detection.If you’re excited to shape quality practices for blockchain‑enabled products and help define how Web3 experiences should feel for millions of users, we’d love to meet you.ABOUT USXsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game.For more information, visit xsolla.com.\nResponsibilities:Lead manual testing of complex Web3 and platform features across multiple environmentsValidate blockchain interactions, wallet flows (e.g., MetaMask, WalletConnect), and decentralized identity/authenticationTest smart contract interactions, event handling, and on‑chain/off‑chain data synchronizationDrive exploratory, functional, and regression testing using structured documentation and deep product knowledgeIdentify, log, and track reproducible issues with precision using Jira or similar toolsIdentify blockchain node responses, RPC interactions, and event‑driven workflowsValidate transaction signing, wallet authentication, and multi‑chain compatibilityCollaborate with engineers to test smart contract upgrades, migrations, and versioningMonitor production logs, blockchain explorers, and analytics dashboards to detect anomaliesCreate and maintain detailed test cases, checklists, and QA documentationCollaborate with engineering and DevOps teams to ensure reliable CI/CD test coverage for Web3 componentsEvaluate and integrate AI‑powered testing tools (e.g., automated test generation, log analysis, visual regression)Set up and manage test environments, staging pipelines, and job configurationsConduct load, stress, and performance testing—especially around high‑volume Web3 interactionsAct as a quality advocate across sprint planning, reviews, and release cyclesMentor junior QA engineers and promote a culture of proactive quality ownershipContribute to best practices for testing decentralized systems and hybrid architecturesQualifications & Skills:Minimum 7 years of total QA experience, including ownership of end‑to‑end qualityAt least 2 years of hands‑on Web3 testing experience, covering blockchain integrations, wallet flows, or decentralized systemsStrong understanding of manual testing methodologies and defect life cycleFamiliarity with blockchain fundamentals (e.g., transactions, gas, confirmations, RPC endpoints)Experience validating APIs using Postman or similar toolsProficiency with bug tracking systems (e.g., Jira) and version control (e.g., Git)Comfortable using browser developer tools and basic terminal/command‑line workflowsStrong verbal and written English communication skillsFamiliarity with AI‑powered testing tools (e.g., test case generation, smart prioritization, AI log analysis)Nice to Have: Experience with wallet testing (MetaMask, Coinbase Wallet, WalletConnect, custom wallets)Understanding of smart contracts, Solidity basics, or blockchain debugging toolsExperience with automated testing frameworks (Playwright, Cypress, Selenium)Knowledge of backend technologies, APIs, and familiarity with PHP or related languagesExperience working in Linux environments and using Bash scriptingHands‑on experience with AI platforms used in QA contexts\nEqual Employment Opportunity Statement:Xsolla is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other characteristic protected by law.We consider qualified applicants with criminal histories in accordance with the Fair Chance Act.Criminal History Consideration:For the Senior QA Engineer - Web3, we will conduct a background check that may include the following:Criminal history checkEmployment verificationEducation verificationRelevance to Job Responsibilities:The background check is relevant to this position because of the following role responsibilities:Accessing confidential company dataEnsuring compliance with regulatory requirementsRights Under the Fair Chance Act:Applicants are encouraged to inquire about their rights under the Fair Chance Act. If you have questions regarding our hiring practices, please contact careers@xsolla.com.By submitting the following job application form, you consent to Xsolla processing your data for career-related inquiries and potential employment opportunities. We process your data in accordance with this Xsolla Privacy Notice for Job Applicants. Please direct any inquiries regarding your data privacy to careers@xsolla.com.

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