Senior Manual Tester

October 24, 2026

Hybrid

Senior

Warszawa, Lublin, Poland

Indeed

Keep in mind

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

Description

A senior manual testing role at a software services company delivering projects across software, embedded systems, data, and cloud. The tester designs test plans and cases and performs functional, integration, regression, and system testing, including REST API checks and SQL data verification in complex integration environments. The role involves working in Agile/Scrum teams alongside developers, business stakeholders, and external IT vendors. The engagement is on a B2B basis, with four days per month at the client’s office in Warsaw or Lublin.

Responsibilities

Perform manual testing of IT systems, including functional, integration, regression, and system testing
Verify that software functionality meets business and technical requirements
Prepare test plans, scenarios, and test cases
Test REST API interfaces and verify the accuracy of data exchange between systems
Run SQL queries to analyze and verify data
Analyze business and technical requirements for testability
Use browser developer tools to analyze application behavior
Identify, document, and log defects found during testing
Analyze test results and prepare software quality reports
Work with development teams to analyze and resolve identified issues
Collaborate with business stakeholders, testing teams, and external IT vendors
Create and maintain test and technical documentation
Perform testing activities in Agile/Scrum environments

Requirements

At least 5 years of experience in manual testing of IT systems
Hands-on experience testing REST APIs
Strong SQL knowledge and the ability to write database queries independently
Practical knowledge of browser developer tools for analyzing application behavior
Experience testing systems in complex integration environments
Hands-on experience with integration, regression, and system testing
Experience preparing test cases and test scenarios
Ability to assess business and technical requirements for testability
Knowledge of Agile/Scrum methodologies
Ability to identify, document, and describe defects
Accuracy, independence, and an analytical approach to problem-solving
Ability to work with technical teams and business stakeholders

Conditions

Hybrid work model: four days per month at the client’s office in Warsaw or Lublin
Project budget of up to PLN 105 per hour plus VAT, depending on experience and scope of services
Access to health insurance, a sports card, and a cafeteria benefits platform, subject to the terms of the engagement
Opportunity to work on diverse projects across Software, Embedded, Data, and Cloud Services
Participation in additional presales and expert initiatives
B2B engagement