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.
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
Core QA OwnershipLead 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 tools
Web3‑Specific Quality WorkVerify 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 anomalies
Process & ToolingCreate 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 interactions
Quality LeadershipAct 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 architectures
Qualifications & Skills
RequiredMinimum 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)
Good to Have
Good to HaveExperience 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