Senior QA Engineer (Web3 Applications & Infrastructure)

Xsolla • 2 months ago
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≈ $81k – $176k per year (Estimated)
Location
Remote (United States, China, Malaysia, Germany)
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Senior · 7+ years exp
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Full-Time
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Xsolla

Xsolla is a video game commerce company founded in 2005 that handles the payment, billing and storefront side of the business for game developers and publishers. Its products cover global payment acceptance in hundreds of methods and currencies, web shops that sell directly to players outside the mobile app stores, subscription and in-game purchase management, partner networks and player acquisition tools, with the company acting as merchant of record so developers do not carry tax and compliance obligations themselves. Headquartered in Los Angeles, it works with thousands of studios and has grown as publishers look for routes around platform store fees.
xsolla.com • HQ: Los Angeles, United States • Financial Services • Payments • Game Development • Gaming • 1001-5000 employees • Est. 2005

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.

ABOUT US

Xsolla 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

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Responsibilities

  • 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
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