QA Engineer at Embark focused on designing test strategies and ensuring product quality. Collaborating with teams to identify defects and drive continuous improvement.
About the role
- Senior QA Engineer with strong Web3 experience for game commerce company Xsolla. Testing blockchain interactions, smart contracts, and decentralized systems in a hybrid setup.
Responsibilities
- 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
- Verify 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
- 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
- Act 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
Requirements
- 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)
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
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
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