Senior QA Engineer, Web3 Wallet & On-Chain Testing

Xsolla Inc.; Los Angeles (CA); On-site; CAD 120,000 - 180,000; Full time

Job summary

Xsolla is seeking a Senior QA Engineer to own quality for our on-chain wallet on Xsolla ZK. You’ll test contracts, transactions, and end-to-end flows across on-chain and front-end layers, using Playwright and TypeScript in CI.

You will work with an external wallet-infrastructure partner, fork chains for testing, and validate signing, account abstraction, and finality paths. Strong Web3 test experience is essential.

Qualifications

• Bachelor's degree in CS/SE or related field.
• 6+ years in software testing or quality engineering with 2+ years on EVM-based products.
• Hands-on testing of Web3 wallets and on-chain components.

Responsibilities

• Own end-to-end test strategy for the wallet on Xsolla ZK.
• Test account-abstraction flows and signing behaviours end-to-end.
• Verify counterfactual deployment and on-chain state reconciliation.
• Deploy and inspect contracts from CLI to reproduce defects.
• Build automation with Playwright for wallet UI and TypeScript scripts for CI.
• Mentor QA engineers and contribute to on-chain testing practices.

Skills

QA testing

Web3 testing

EVM testing

Playwright

TypeScript

CI automation

Education

Bachelor's degree in Computer Science or related field

Tools

Foundry

Hardhat

Anvil

Tenderly

Ethers.js

viem

wagmi

Job description

Xsolla is seeking a Senior QA Engineer to own quality for our on-chain wallet on Xsolla ZK. You’ll test contracts, transactions, and end-to-end flows across on-chain and front-end layers, using Playwright and TypeScript in CI.

You will work with an external wallet-infrastructure partner, fork chains for testing, and validate signing, account abstraction, and finality paths. Strong Web3 test experience is essential.