Remote QA Engineer — Blockchain/Web3 Testing

Blockvora; United States; Remote; USD 90,000 - 130,000; Full time

Benefits offered by this job

Remote role across global time zones

Flexible full-time or part-time work

Job summary

Blockvora is seeking a QA engineer to own product quality across web, mobile, and blockchain-integrated applications. You’ll design risk-focused test coverage, execute end-to-end user journeys, and automate key checks with engineering teams before releases.

You will create test plans and regression suites for blockchain apps, perform functional, API, and exploratory testing, validate smart contracts and wallet interactions, and automate high-value checks across UI, API, and on-chain components.

Qualifications

• At least three years of QA experience on software products, including hands-on testing of blockchain or Web3 applications.
• Understanding of blockchain transactions, smart contract interactions, and Ethereum or EVM-compatible networks.
• Familiarity with wallet connectivity, transaction signing, and on-chain events.
• Strong test design, regression testing, bug reporting, API testing, and browser automation skills.
• Ability to assess complex multi-step workflows and distributed systems through functional, integration, and end-to-end testing.
• Strong analytical skills, attention to detail, and clear communication with product and engineering teams.

Responsibilities

• Create test plans, test cases, and regression suites for blockchain applications.
• Perform functional, integration, API, and exploratory testing across product workflows.
• Validate smart contract interactions, on-chain activity, and blockchain integrations.
• Test wallet connections, authentication, transaction signing, and transaction lifecycle behavior.
• Cover edge cases such as failed transactions, network problems, gas issues, and wallet rejection; verify token transfers, ownership, and event processing.
• Automate high-value UI, API, and blockchain integration checks, then investigate defects and confirm fixes.

Skills

QA testing

Blockchain/Web3 testing

Test design

Regression testing

API testing

Browser automation

Strong communication

Tools

Playwright

Cypress

Selenium

Hardhat

Foundry

Job description

Blockvora is seeking a QA engineer to own product quality across web, mobile, and blockchain-integrated applications. You’ll design risk-focused test coverage, execute end-to-end user journeys, and automate key checks with engineering teams before releases.

You will create test plans and regression suites for blockchain apps, perform functional, API, and exploratory testing, validate smart contracts and wallet interactions, and automate high-value checks across UI, API, and on-chain components.