QA Tester (f/m/d)

Posted 14 Days Ago
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Hamburg, DEU
Hybrid
Mid level
AdTech
The Role
The QA Tester ensures software quality by performing manual and automated testing, developing test plans, managing defects, and collaborating with teams to enhance quality processes.
Summary Generated by Built In
As a QA Tester, you will join the product team and ensure that the quality of our software products meets the highest standards. You will work closely with development, backend, UX/UI design, product management, and customer support, to identify, escalate and resolve quality issues, as well as provide quality reports.
 
 

What you will do:

  • Own hands-on testing while progressively building automation

  • Define automation scope, select high-value test cases, set up framework + execution approach, maintain scalable automated tests.

  • Ensure release confidence across several Android apps in a fast-paced environment.

  • Update coverage quickly as requirements change; identify edge cases early; proactively highlight risk areas.

  • Communicate bugs/risks clearly to devs/PMs/design; drive a quality-first mindset and continuous improvement.

  • Analyze functional + technical documentation to create/maintain: test plans, test cases, and regression suites for new features

  • Clarify requirements/expected behavior early; ensure acceptance criteria are testable

  • Execute functional, smoke, regression, and exploratory testing across mobile (Android primary) and relevant web surfaces.

  • Validate fixes and assess regression impact before releases

  • Create and maintain automated test scripts 

  • Run automated suites, analyze output, and distinguish defects vs flakiness vs environment issues.

  • Identify, document, and track defects with high-quality reports (clear repro, expected vs actual, evidence, environment/device context)

  • Work closely with developers, product, and design to uphold quality benchmarks throughout the development cycle

  • Participate in Agile ceremonies (planning, stand-ups, refinement, retros)

  • Improve QA processes, documentation, and reliable regression coverage; introduce repeatable testing practices

Who you are:

  • 3–5 years in Quality Assurance.

  • Proven hands-on experience in manual testing of mobile applications.

  • At least ~1 year exposure to test automation (implementation or contribution).

  • Experience setting up or contributing to an automation framework is a strong advantage.

  • Experience in automated mobile testing for React Native or similar

  • Experience in QA automation using tools like maestro or similar.

  • Relevant experience with testing  mobile apps (Android primary; iOS awareness is a plus) using React Native

  • Basic REST API validation and troubleshooting

  • Excellent communication skills, both verbal and written, to effectively interact with diverse coworkers.

  • Fluency in English, demonstrating proficiency in both speaking and writing.

  • You're comfortable reading and creating technical documentation.

Why you will love working here:

  • Invest in Your Future: Regular feedback and our development program support your growth, helping you expand your skill set and achieve your career goals.
  • Easy Arrival to justDice: From signing to settling in Hamburg, we’ve got you covered. Need a visa? No problem. Ready to build your new life and career at justDice in Hamburg? We support every ambition—from learning German to a relocation bonus that helps you settle in and make Hamburg feel like home.
  • Live Your Best Life, at Work and Beyond: We work in a hybrid setup with 3 core office days, plus flexible working hours. Enjoy 30 vacation days, 3 weeks of remote work per year, and free access to an in-house gym with lots of different fitness classes and mental health support through our Employee Assistance Program (EAP).
  • Thrive Where You Work: Enjoy the Alster lake view from our central office with top notch equipment, fun open spaces, and a large variety of snacks and drinks.
  • Join the Community! Participate in regular team and company events, including hackathons and social gatherings. We work together, and we celebrate together, too.

Top Skills

Android
Maestro
Qa Automation
React Native
Rest Api
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The Company
Hamburg
230 Employees
Year Founded: 2015

What We Do

applike group is the leading company building in the app economy. Our technologies + businesses to cover the full value chain of the mobile apps market. Our companies work independently, but benefit from each others’ technologies and knowledge. We are 4 companies (JustDice, adjoe, Sunday, justtrack) under one roof of applike group. justDice: We build exciting app-discovery products for mobile gamers. With >50 million users we are the global market leader, while still growing rapidly every day adjoe: We build new technologies and ad formats that create a competitive edge for mobile app developers. Sunday: We create and publish extremely engaging and addictive mobile games with smart and player-friendly monetisation justtrack: One-stop software to automate your whole user acquisition process. This would be inconceivable without the 3 developer teams that form the core of applike group. We are 100 percent tech company where everybody is interested in computer science. We are always giving our best to get in touch with the newest technology in order to build the most relevant products. Our mission is to build software with the capability to distribute ads to every mobile device on earth.

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