Freelance Senior QA Engineer (Mobile)

• Architect, develop, and maintain test automation using Sauce Labs, primarily with TypeScript

• Design and maintain test plans for existing and new application features, and integrate them with Xray and Jira

• Execute, maintain, and improve test cases in Xray, and enhance their integration into workflows

• Test setups that include peripheral hardware such as card payment terminals, receipt printers, and barcode scanners

• Test inter-device communication between multiple in-house applications, such as customer-facing displays or helper applications for gastronomy

• Develop and maintain cross-team test scenarios, including API communication and database operations

• Leverage AI Tools: Actively use and adapt AI tools in daily QA tasks, exploring innovative solutions and maintaining a curiosity-driven approach.

• Collaborate with developers and product owners to achieve optimal test coverage, focus on E2E multiplatform testing coverage but also system tests that reach a realistic experience of the customers & merchants

• Engage in code reviews to uphold coding standards and improve overall code quality

• Conduct Multi-Environment Testing: Execute tests across various environments to ensure robustness and compatibility

Current tech stack of the team:

current automation framework & language: TypeScript & Webdriver.io

Tooling: Java based

• Ability to work from our Berlin office twice a week to perform in office device testing

• 4+ years of professional experience in mobile application testing (iOS and Android)

• Experience in test automation using TypeScript and platforms such as Sauce Labs, Appium, or similar

• Experience with Test Case Design, including designing test plans and following industry standards

• Strong knowledge of data structures and databases, particularly PostgreSQL and SQLite

• Solid understanding of different types of APIs and experience testing them using tools such as Postman

• Experience testing hardware devices and inter-device communication

• Experience in release management and communication

• A structured mindset with a proactive approach to test planning ahead of development

• Experience in the fintech or payment industry, retail, or gastronomy POS is a strong plus

• Experience writing automated tests and defining test scenarios throughout the development lifecycle, with most testing performed through automation.

Nice to have:

• Experience with Playwright & Selenoid

• Does it sound exciting? - Apply with your CV in English. Please don't shy away if you don't meet all the requirements! We're looking forward to meeting you.

• We will get back to you within 14 days of receiving your application.

• The interview process includes a 30-minute intro call with a TA Partner, a 60 minute call with the hiring manager, take home assignment and a 60-minute call with a peer team member. Please note the process might alter depending on our team's availability.

*Unzer is an equal employment opportunities workplace, and we commit to hiring regardless of race, sex, gender identification, sexual orientation, national origin, native language, religion, age, disability, marital status, citizenship, genetic information, pregnancy, or any other characteristic protected by law. Please refrain from including your picture and age with the application.

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