Manual Tester (Mobile)

October 19, 2026

Hybrid

Senior

Warszawa, Łódź, Gdańsk, Wrocław, Poznań, Kraków, Lublin, Szczecin

Keep in mind

Original vacancy is in Polish
You will likely need Polish for the job. The employer can confirm

Description

A long-term B2B project in the banking sector is looking for an experienced manual tester of mobile applications. The role covers manual testing on Android and iOS, REST API validation, SQL data verification and HTTP/HTTPS traffic analysis. The team works in Agile/Scrum alongside analysts and developers, with an average of one office day per week under a hybrid model.

Responsibilities

Perform manual testing of mobile applications on Android and iOS platforms
Prepare test scenarios and test cases
Execute integration, system and regression testing
Test and validate REST APIs
Analyze HTTP/HTTPS traffic of mobile applications
Run SQL queries and verify data correctness
Analyze business and technical requirements
Report bugs and collaborate on their diagnosis
Cooperate with the project team working in Agile/Scrum

Requirements

Minimum 5 years of experience in manual testing of IT systems
Minimum 3 years of experience in manual testing of mobile applications
Practical knowledge of testing Android and iOS applications
Hands-on experience in testing REST APIs
Good knowledge of SQL and ability to work with databases
Practical knowledge of tools such as Charles Proxy or Burp Suite
Experience in integration, system and regression testing
Experience in preparing test cases and test scenarios
Ability to work in complex integration environments
Experience in analyzing business and technical requirements
Knowledge of Agile/Scrum
Accuracy, independence and analytical approach to problem solving
Experience in banking or financial sector projects, preferred
Knowledge of AI tools supporting the testing process, preferred
Basic knowledge of mobile test automation, preferred
Certificates or trainings related to software testing, preferred

Conditions

Full-time B2B cooperation with independent organization of the services
Hybrid model, average one office day per week in Warsaw
Offices available in Warsaw, Łódź, Gdańsk, Wrocław, Poznań, Kraków, Lublin and Szczecin
Rate up to 100 PLN per hour net plus VAT
Project start in November or December
Long-term project in the banking sector
Selection process: profile review, consultant conversation, one technical meeting and terms agreement