Freelance Senior QA Engineer (Mobile)

Unzer; Berlin; Vor Ort; EUR 70.000 - 90.000; Vollzeit

Benefits dieser Stelle

Hybrid work model

Learning budget for personal developem

Learning forums and knowledge sharing

Zusammenfassung

Unzer seeks a dedicated QA professional to elevate the quality of its mobile POS applications across Android and iOS. You will architect and maintain test automation in TypeScript using Sauce Labs and test plans for new features, integrating with Xray and Jira.

You will also test hardware like card terminals and printers, and ensure robust inter-device communication between apps. You will collaborate with developers and product owners to achieve optimal test coverage, perform multi-environment

Qualifikationen

• 4+ years of professional experience in mobile application testing (iOS and Android).
• Experience in release management and communication.
• Solid understanding of different types of APIs and experience testing them using tools such as Postman.
• Structured mindset with a proactive approach to test planning ahead of development.
• Experience writing automated tests and defining test scenarios throughout the development lifecycle, with most testing performed through automation.
• Experience in the fintech or payment industry, retail, or gastronomy POS is a strong plus.
• Strong knowledge of data structures and databases, particularly PostgreSQL and SQLite.
• Experience testing hardware devices and inter-device communication.
• Ability to work from our Berlin office twice a week to perform in-office device testing.
• 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.
• Experience with Playwright & Selenoid.

Aufgaben

• Test mobile applications (iOS/Android) and ensure end-to-end quality.
• Architect, develop, and maintain test automation using Sauce Labs, primarily with TypeScript.
• Design and maintain test plans for existing and new features; integrate with Xray and Jira.
• Execute, maintain, and improve test cases in Xray and integrate into workflows.
• Test hardware setups including card terminals, printers, and barcode scanners.
• Test inter-device communication between in-house apps and devices.
• Develop cross-team test scenarios, including API communication and database operations.
• Leverage AI tools to enhance QA tasks and maintain curiosity-driven testing.

Kenntnisse

Mobile testing

Release management

APIs testing

Test planning

Automation testing

Fintech/payments knowledge

Databases (PostgreSQL/SQLite)

Hardware testing

TypeScript

Sauce Labs

Appium

Playwright

Selenoid

Postman

Tools

TypeScript

Webdriver.io

Sauce Labs

Appium

Playwright

Selenoid

Jobbeschreibung

• 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.
• 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

Benefits

• Excellent working atmosphere in ambitious, diverse, and agile teams.
• Flexible working hours.
• A learning budget for personal development in addition to internal knowledge-sharing forums and best practice sharing. We want you to have the ability to learn something new every day!
• A hybrid work model allows you to keep work-life balance – you can work from home up to 80% of the time.
• A fast-paced work environment with the creative freedom to contribute to Unzer’s future.

Qualifications

• 4+ years of professional experience in mobile application testing (iOS and Android).
• Experience in release management and communication.
• Solid understanding of different types of APIs and experience testing them using tools such as Postman.
• Structured mindset with a proactive approach to test planning ahead of development.
• Experience writing automated tests and defining test scenarios throughout the development lifecycle, with most testing performed through automation.
• Experience in the fintech or payment industry, retail, or gastronomy POS is a strong plus.
• Strong knowledge of data structures and databases, particularly PostgreSQL and SQLite.
• Experience testing hardware devices and inter-device communication.
• Ability to work from our Berlin office twice a week to perform in-office device testing.
• 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.
• Experience with Playwright & Selenoid.