Unzer

Freelance Senior QA Engineer (Mobile)

Unzer · DE · 5d ago
Hybrid senior JavaTypeScript
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About the role

ABOUT US
 
Unzer is a leading European fintech company with a mission to simplify international payments for e-commerce and retail businesses. Our brand was formed from 13 companies that now contribute to building a unique product covering the entire payment flow.  
 
At Unzer, we are driven by the belief that customers should enjoy a seamless shopping experience, no matter where they choose to shop. We are a team of over 700 experts of 55 different nationalities, dedicated to creating a state-of-the-art unified commerce platform. Our goal is to enable businesses to delight their customers with a seamless payment experience.  
 
Whether you're a tech enthusiast, payment expert, or a dedicated support professional, we are looking for individuals who are passionate about making a difference.  
 
Our offices: We are based across Austria, Denmark, Germany and Luxembourg with a HQ in Berlin.
 
ABOUT THE TEAM

As a member of the Unzer Unified POS team, you will play a pivotal role in testing Unzer’s mobile POS applications for Android and iOS. You will focus on elevating service quality and ensuring seamless functionality. The mobile applications interact with a variety of hardware components, such as barcode scanners, receipt printers, and card payment terminals.

What your work will look like:

  • 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

    What you need to be successful in this role:

  • 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 
  •  

    What’s next?

  • 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. 
  • Tech stack

    JavaTypeScript
    Level senior
    Arrangement Hybrid
    Location DE
    Posted 5d ago
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