Senior Manual QA Engineer (Mobile)

About Ledger

Founded in Paris in 2014, Ledger is a global platform for digital assets and Web3. Ledger is a world leader in digital asset security and utility. With more than 7 million devices sold to consumers in 180+ countries, 20% of the world's crypto assets are secured by Ledger devices.

Your mission

• Drive the quality of mobile applications (iOS and Android) throughout the SDLC, from grooming and product specifications onward.
• Create, maintain, and execute test plans and test cases, contributing to the definition of acceptance criteria.
• Perform manual functional, regression, and end-to-end testing on real devices as part of weekly release cycles.
• Conduct exploratory testing to identify potential issues related to device fragmentation, OS versions, permissions, connectivity, and hardware interactions.
• Analyze test failures, assess quality risks, and communicate findings clearly to engineering teams.
• Prepare clear, well-structured reports on testing results and quality status for relevant stakeholders.
• Collaborate with developers and product teams, contributing to Agile testing practices and knowledge sharing.
• Work with the QA Automation team to identify scenarios suitable for automation and define test specifications.

What we're looking for

• 5+ years of experience in software quality assurance, with strong hands-on experience in manual testing of iOS and Android applications.
• Proficiency in black-box and grey-box testing approaches.
• Good understanding of mobile testing specifics, including device fragmentation, OS versions, app store builds, and mobile debugging tools such as Xcode, Android Studio, Charles, or Proxyman.
• Good knowledge of software development processes and Agile methodologies.
• Strong analytical and organizational skills, with the ability to communicate findings clearly.
• Highly proactive and autonomous, with the ability to take ownership of QA activities and work effectively without close supervision.
• Strong collaboration skills and the ability to build positive working relationships with the team and Product Owner.
• Ability to challenge decisions when necessary.
• Fluent English is mandatory.

Nice to have

• Experience with desktop application testing.
• Experience testing products that interact with hardware devices.
• Experience with test automation. This is primarily a manual QA role.
• An engineering degree.
• Interest in cryptocurrency and the Web3 ecosystem.