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Xsolla • Montreal, Quebec, Canada
Role & seniority
Stack/tools
Web3/blockchain integrations, wallet flows (MetaMask, WalletConnect), smart contracts, on/off-chain data sync
Testing: manual, API validation (Postman), regression/functional/exploratory
Tools: Jira, Git, browser dev tools; CI/CD collaboration; AI-powered testing tools and potential automated frameworks (Playwright/Cypress)
Environment: multi-environment testing, production monitoring via logs/explorers
Top 3 responsibilities
Lead manual testing of complex Web3 and platform features across environments; drive exploratory, functional, regression testing with structured documentation
Validate blockchain interactions, wallet flows, decentralized identity/auth, smart contract upgrades/migrations; ensure data synchronization
Create/maintain test cases and QA docs; ensure reliable CI/CD test coverage; monitor production logs and analytics to detect anomalies; mentor junior QA
Must-have skills
7+ years total QA experience; 2+ years hands-on Web3 testing (blockchain integrations, wallets, decentralized systems)
Strong manual testing and defect lifecycle skills
Blockchain fundamentals (transactions, gas, confirmations, RPC)
API validation (Postman or equivalent); Jira, Git; browser dev tools; good English communication
Familiarity with AI-powered testing tools (test generation, log analysis)
Nice-to-haves
Wallet testing experience (MetaMask, WalletConnect, Coinbase Wallet)
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About Us Xsolla is a global commerce company powering the business of games. With a robust suite of tools and services, we help developers solve the complex challenges of funding, distributing, marketing, and monetizing their games. From indie teams to AAA studios, we support creators worldwide with scalable solutions that accelerate growth and unlock new revenue opportunities. As the industry evolves, we continue expanding into emerging technologies—including Web3, blockchain‑enabled game features, digital asset ownership, and decentralized identity—to help developers build the next generation of player experiences. Learn more at Launch, monetize, and scale with Xsolla tools and services
About You We 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.
Responsibilities \n
Core QA Ownership Lead manual testing of complex Web3 and platform features across multiple environments Validate blockchain interactions, wallet flows (e.g., MetaMask, WalletConnect), and decentralized identity/authentication Test smart contract interactions, event handling, and on‑chain/off‑chain data synchronization Drive exploratory, functional, and regression testing using structured documentation and deep product knowledge Identify, log, and track reproducible issues with precision using Jira or similar tools
Web3‑Specific Quality Work fy blockchain node responses, RPC interactions, and event‑driven workflows Validate transaction signing, wallet authentication, and multi‑chain compatibility Collaborate with engineers to test smart contract upgrades, migrations, and versioning Monitor production logs, blockchain explorers, and analytics dashboards to detect anomalies
Process & Tooling Create and maintain detailed test cases, checklists, and QA documentation Collaborate with engineering and DevOps teams to ensure reliable CI/CD test coverage for Web3 components Evaluate 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 configurations Conduct load, stress, and performance testing—especially around high‑volume Web3 interactions
Quality Leadership ct as a quality advocate across sprint planning, reviews, and release cycles Mentor junior QA engineers and promote a culture of proactive quality ownership Contribute to best practices for testing decentralized systems and hybrid architectures
Qualifications & Skills Required Minimum 7 years of total QA experience, including ownership of end‑to‑end quality At least 2 years of hands‑on Web3 testing experience, covering blockchain integrations, wallet flows, or decentralized systems Strong understanding of manual testing methodologies and defect life cycle Familiarity with blockchain fundamentals (e.g., transactions, gas, confirmations, RPC endpoints) Experience validating APIs using Postman or similar tools Proficiency with bug tracking systems (e.g., Jira) and version control (e.g., Git) Comfortable using browser developer tools and basic terminal/command‑line workflows Strong verbal and written English communication skills Familiarity with AI‑powered testing tools (e.g., test case generation, smart prioritization, AI log analysis)
Good to Have Experience with wallet testing (MetaMask, Coinbase Wallet, WalletConnect, custom wallets) Understanding of smart contracts, Solidity basics, or blockchain debugging tools Experience with automated testing frameworks (Playwright, Cypress, Selenium) Knowledge of backend technologies, APIs, and familiarity with PHP or related languages Experience working in Linux environments and using Bash scripting Hands‑on experience with AI platforms used in QA contexts
\n Benefits Latest Mac workstations + additional hardware to support productivity Google Chat, Gmail, Google Drive, Confluence, Jira, GitLab Free trainings and participation in specialized conferences Knowledge‑sharing culture across global teams Health insurance (medical, dental, optical) for employees and dependents Flexible working hours No dress code Comfortable, modern office environment