Job Description

About CompoSecure

Founded in 2000, CompoSecure (Nasdaq: CMPO) is a technology partner to market leaders, fintechs and consumers, enabling trust for millions of people around the globe. The company combines elegance, simplicity, and security to deliver exceptional experiences and peace of mind in the physical and digital world. CompoSecure's innovative payment card technology and metal cards with Arculus security and authentication capabilities deliver unique, premium branded experiences, enable people to access and use their financial and digital assets, and ensure trust at the point of a transaction. For more information, please visit and .

Position Overview:

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.

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.
• 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

At CompoSecure , we believe in supporting our employees with a comprehensive benefits package that promotes health, financial well-being, and work-life balance. Our full-time team members enjoy access to:

• Medical, Dental & Vision Coverage
• Flexible Spending Accounts (FSA)
• Company-Paid Life and Disability Insurance
• 401(k) with Company Match
• Paid Time Off & Paid Holidays
• Annual Bonus Opportunities
• Employee Assistance Program (EAP)
• Career Advancement Opportunities

Benefits eligibility and details will be shared during the hiring process. We're excited to support you in building a rewarding career with us.

Please note: CompoSecure does not accept unsolicited resumes from staffing agencies or third-party recruiters. Any unsolicited resumes sent to CompoSecure , including to our employees, will become the property of CompoSecure and may be used without any obligation to pay referral or placement fees. Any agency or recruiter seeking to work with CompoSecure's Talent Acquisition Team should contact our team directly by sending an email to recruiting@composecure.com .

CompoSecure is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or national origin. We are also an equal opportunity employer of individuals with disabilities and protected veterans.

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