QA Engineer (Mobile)

Signify Technology; Berlin; Hybrid; EUR 65.000 - 83.000; Vollzeit

Zusammenfassung

Signify Technology in Berlin, Germany, seeks a Senior QA Engineer (Mobile) for a 12‑month contract at €400 per day, hybrids with 2 on-site days. You will test Android/iOS POS apps, build automation in TypeScript, and design robust test plans. Must be based in Germany and available for B2B contracting.

Responsibilities include API and DB testing, inter-device communication, and QA support across environments. Fintech/retail POS experience is a plus, with AI tools exploration encouraged.

Qualifikationen

• 4+ years' experience testing mobile applications on iOS and Android
• Test automation experience in TypeScript with Appium or similar
• Strong background in test case design and structured test planning
• Solid knowledge of data structures and databases, PostgreSQL and SQLite
• Experience testing APIs, e.g. with Postman
• Experience testing hardware devices and inter-device communication
• Experience in release management
• Fintech/payments/retail POS background is a plus
• Playwright and Selenoid experience is a plus

Aufgaben

• Test Android and iOS point-of-sale applications that connect with card payment terminals, receipt printers and barcode scanners
• Build and maintain test automation in TypeScript, integrated with the team's test management tooling
• Design and maintain test plans for new and existing features, keeping test case coverage up to date
• Test communication between in-house applications, including customer-facing displays
• Cover API and database testing across teams
• Take an active role in exploring AI tools to support day-to-day QA work
• Take part in code reviews and testing across multiple environments

Kenntnisse

Mobile testing

Test automation

APIs testing

Data structures

Tools

Appium

TypeScript

Playwright

Selenoid

PostgreSQL

SQLite

Postman

Jobbeschreibung

Job title: Senior QA Engineer (Mobile)

Job type: Contract

Contract Length: 12 months.

Rate: €400 per day

Role Location: Berlin, Germany (Hybrid – 2 days per week on-site)

All candidates must be based in Germany, and able to work B2B/as a contractor to be considered. Those who cannot will not be considered.

The Company

An established European fintech company providing payment infrastructure to e-commerce and retail businesses across multiple countries. The team you'd join supports mobile point-of-sale applications used by merchants in retail and hospitality settings.

Role And Responsibilities

• Test Android and iOS point-of-sale applications that connect with card payment terminals, receipt printers and barcode scanners
• Build and maintain test automation in TypeScript, integrated with the team's test management tooling
• Design and maintain test plans for new and existing features, keeping test case coverage up to date
• Test communication between in-house applications, including customer-facing displays
• Cover API and database testing across teams
• Take an active role in exploring AI tools to support day-to-day QA work
• Take part in code reviews and testing across multiple environments

Job Requirements

• 4+ years' experience testing mobile applications on iOS and Android
• Test automation experience in TypeScript with tools such as Appium or similar cloud device testing platforms
• Strong background in test case design and structured test planning
• Solid knowledge of data structures and databases, particularly PostgreSQL and SQLite
• Experience testing APIs, for example with Postman
• Experience testing hardware devices and inter-device communication
• Experience in release management
• Fintech, payments, retail or hospitality POS background is a plus
• Playwright and Selenoid experience is a plus

Accessibility Statement

We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process.

Our Commitment To Diversity, Equity, And Inclusion

Signify's mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time.