Senior QA Engineer – Mobile & CRM
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on manual and automated testing of mobile applications on iOS and Android and CRM systems. Key tasks include functional, regression, integration testing and API testing with Postman and REST APIs. Responsibilities include designing test cases, defect reporting using JIRA and supporting test automation with Appium, Selenium, Playwright. Knowledge of SQL and mobile app release processes on App Store and Google Play is required.

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Senior QA Engineer – Mobile & CRM

Company: SQUARE ONE RESOURCES sp. z o.o.

from: 19 August 2026
to: 18 September 2026
100 - 125net (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Postman
Selenium
C#
Appium
Android
CRM
Jira
iOS

Our requirements

  • 5+ years of commercial experience as a QA Engineer / Software Tester.
  • 3+ years of commercial experience in mobile application testing.
  • Strong hands-on experience in manual QA, particularly functional and regression testing.
  • Commercial experience testing both iOS and Android applications.
  • Experience testing mobile applications and CRM systems.
  • Good knowledge of SQL and relational databases.
  • Experience with REST API testing and Postman.
  • Practical knowledge of JIRA and defect management processes.
  • Understanding of the mobile application release and publication process for App Store and Google Play.
  • Experience with at least one web test automation framework, preferably Selenium or Playwright.

Optional

  • Experience with Appium and C#.
  • Experience with Selenium and/or Playwright.
  • Experience in mobile test automation.
  • Experience in web test automation.
  • Experience in performance test automation.
  • Knowledge of Python.

Your responsibilities

  • Perform manual functional, regression, integration and exploratory testing.
  • Test mobile applications on iOS and Android.
  • Test CRM systems and related functionalities.
  • Design and execute test cases and test scenarios based on business and technical requirements.
  • Identify, analyse, document and track software defects.
  • Manage defects and testing activities using JIRA.
  • Perform API testing using REST APIs, Postman and Swagger.
  • Work with SQL and relational databases to validate application data.
  • Cooperate closely with developers, business analysts, product owners and other QA engineers.
  • Support and participate in test automation activities.
  • Contribute to web and mobile test automation using tools such as Appium, Selenium or Playwright.
  • Support testing throughout the mobile application release process, including experience with App Store and Google Play publication workflows.

About the project

We are looking for a Senior QA Engineer to join a project focused on ensuring the quality of a mobile application ecosystem and CRM system.
The role is primarily focused on manual functional and regression testing of iOS and Android applications, close cooperation with the development and product teams, and comprehensive defect reporting and analysis. The position also includes opportunities to contribute to test automation.

This is how we organize our work

This is how we work

at the client's site
Company

SQUARE ONE RESOURCES sp. z o.o.

At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.

This is how we work

Senior QA Engineer – Mobile & CRM
100–125 zł / hr. (B2B)
I apply to:
SQUARE ONE RESOURCES sp. z o.o.
Warszawa, Masovian

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