REQUIRED QUALIFICATIONS

• 5+ years of experience in QA for mobile applications (iOS and Android).
• Strong knowledge of blockchain, cryptography, and cold storage wallets.
• Experience with QA automation frameworks: Appium, Espresso, XCUITest, etc.
• Proficiency in test case management tools (e.g., TestRail, Zephyr).
• Hands-on experience testing secure environments, air-gapped devices, or hardware wallets is a big plus.
• Understanding of mobile OS security, biometric authentication, and app sandboxing.

PREFERRED QUALIFICATIONS

• Experience with hardware integration testing (e.g., secure elements, NFC, QR code scanners).
• Knowledge of cryptographic standards such as BIP32, BIP39, BIP44.
• Background in fintech, DeFi, or crypto exchanges.
• Familiarity with tools for mocking blockchain interactions in test environments.
• ISTQB certification or equivalent is a plus.

SOFT SKILLS

• Excellent communication and documentation skills.
• Strong analytical and problem-solving abilities.
• Proactive mindset and ownership of quality processes.
  Team player with a collaborative and adaptive approach
  Job Type: Full-time
  Pay: $120,000.00 - $220,000.00 per year

Benefits:

• 401(k)
• Dental insurance
• Flexible schedule
• Health insurance
• Health savings account
• Paid time off
• Vision insurance

Work Location: Remot

ABOUT THE ROLE

We are seeking a Senior QA Test Engineer with deep expertise in mobile application testing and a strong understanding of blockchain technology and cold storage wallets. You’ll play a critical role in ensuring the security, functionality, and reliability of our mobile cold storage wallet application on both iOS and Android platforms. You will collaborate with cross-functional teams, including product managers, developers, and security engineers, to deliver a best-in-class user experience for managing digital assets securely.

KEY RESPONSIBILITIES

• Test Planning & Strategy
• Design and implement comprehensive test strategies for iOS and Android mobile apps focused on blockchain and wallet functionality.
• Develop and maintain automated test frameworks for smart contracts (e.g., Solidity, Rust)
• Design, develop, and execute comprehensive manual and automated test plans for mobile apps and backend systems.
• Validate blockchain-related features such as wallet integration, transaction signing, smart contract interactions, and cryptographic operations.
• Work closely with developers and product teams during the full software development lifecycle).
• Identify and prioritize test cases based on risk and user impact, with a strong emphasis on security and transaction integrity.
• Manual & Automated Testing
• Execute end-to-end, regression, smoke, and exploratory tests.
• Design and maintain automation scripts using tools like Appium, Espresso, XCUITest, or Detox.
• Automate high-risk and high-use scenarios such as wallet recovery, transaction signing, and cold storage mechanisms.
• Blockchain-specific QA
• Test wallet functionalities including key generation, signing transactions, address validation, backup and restore processes.
• Verify integration with various blockchain networks (e.g., Bitcoin, Ethereum).
• Perform edge-case and security testing (e.g., air-gapped signing, tamper detection, etc.)
• Bug Reporting & Issue Triage
• Log detailed and reproducible bugs using tools like Jira
• Collaborate with development and product teams to triage and resolve issues quickly.
• Continuous Integration & Delivery
• Work within CI/CD pipelines to ensure robust automated testing is part of the release cycle.
• Contribute to release sign-offs and production verification testing.
• Compliance & Security
• Ensure testing procedures align with industry security standards and compliance requirements (e.g., SOC2, ISO 27001).
• Collaborate with security teams for penetration testing and vulnerability assessments.
• Mentorship & Process Improvement
• Mentor junior QA engineers and review their test plans and cases.
• Identify and implement process improvements in test execution and coverage.