3+ DAPP (Decentralized Applications) Jobs in Delhi, NCR and Gurgaon | DAPP (Decentralized Applications) Job openings in Delhi, NCR and Gurgaon

Job Title: QA Engineer – Blockchain / Web3 / DApps

Location: Noida (Onsite)

Experience: 3+ Years

About the Role

We are looking for a detail-oriented QA Engineer with hands-on experience in Blockchain, Web3 Wallets, and Decentralized Applications (DApps). The ideal candidate will ensure the reliability, performance, and security of blockchain-based products through both manual and automated testing.

Key Responsibilities

• Design, develop, and execute test cases for Blockchain applications, Web3 Wallets, and DApps.
• Perform functional, integration, regression, and performance testing across blockchain ecosystems (Ethereum, Polygon, BSC, etc.).
• Test Web3 wallet integrations (MetaMask, Trust Wallet, WalletConnect, Coinbase Wallet).
• Validate smart contracts using Hardhat, Truffle, Remix IDE, and Blockchain Explorers (Etherscan, Polygonscan, BSCscan).
• Conduct API testing (REST, GraphQL, Web3 APIs) using Postman, Newman, and Insomnia.
• Automate UI & functional tests using Selenium, Cypress, or Playwright.
• Perform mobile DApp testing using Appium.
• Collaborate with developers, product managers, and blockchain engineers to identify and resolve defects.
• Document test plans, strategies, and reports in Confluence/JIRA.
• Participate in CI/CD pipelines for test automation (Jenkins, GitHub Actions).

Required Skills & Tools

• Blockchain & Web3: Ethereum, Polygon, Binance Smart Chain, Ganache, Hardhat, Truffle, Remix IDE
• Wallet Testing: MetaMask, Trust Wallet, WalletConnect, Coinbase Wallet
• Automation & QA Tools: Selenium, Cypress, Playwright, Appium
• API Testing: Postman, Newman, Insomnia
• Performance Testing: JMeter, Locust, k6
• Version Control & CI/CD: Git, GitHub, GitLab, Jenkins, GitHub Actions
• Bug Tracking & Collaboration: JIRA, Trello, Confluence

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 3+ years of QA experience, with at least 2 years in Blockchain/Web3.
• Strong understanding of smart contracts, wallets, and decentralized apps.
• Hands-on experience with test automation frameworks and API testing.
• Excellent problem-solving, debugging, and communication skills.

Job Title : QA Engineer – Web3/Blockchain

Experience : 3+ Years

Location : Noida Sector 18

Job Type : Full Time

Job Summary :

We are seeking a skilled QA Engineer with hands-on experience in testing Blockchain/Web3 projects such as wallets, DApps, and related decentralized applications. The ideal candidate should be detail-oriented, proactive, and passionate about ensuring the quality and reliability of Web3 solutions.

Mandatory Skills : QA testing of Web3 wallets, DApps, smart contracts, blockchain transactions, and API testing (Postman/Swagger).

Responsibilities :

• Design, develop, and execute test cases for Web3 wallets, DApps, and smart contract integrations.
• Perform functional, regression, API, and end-to-end testing of blockchain applications.
• Validate transactions, gas fees, wallet functionalities, and blockchain data consistency.
• Collaborate with developers, product managers, and other stakeholders to identify and resolve issues.
• Work with automation tools (if applicable) to enhance QA efficiency.

Requirements :

• 3+ years of QA/testing experience with a focus on Blockchain/Web3 applications.
• Strong knowledge of wallets (MetaMask, Trust Wallet, etc.) and DApps.
• Understanding of smart contracts, Ethereum, and blockchain fundamentals.
• Experience with API testing tools (Postman/Swagger) and bug tracking systems (Jira, etc.).
• Good problem-solving and communication skills.