Manual Tester — API & Mobile QA Specialist

Transition Technologies PSC; Polska; Hybrid; PLN 120,000 - 170,000; Full time

Job summary

Transition Technologies PSC is seeking a QA tester to ensure software quality across the development lifecycle. You will design test scenarios, execute tests, and document results in collaboration with developers and analysts.

The role requires minimum 2 years in software testing, experience with functional and API testing tools, and proficiency in SQL. ISTQB cert and B2 Polish/English are expected; on-site work in Poland is assumed.

Qualifications

• At least 2 years of experience in software testing.
• Experience with functional, integration, regression, and user acceptance testing.
• Experience creating test scenarios and test cases.
• Knowledge of SQL and API testing tools (Postman, SoapUI, or similar).
• Experience with Jira, Xray, TestRail, or similar test management tools.
• Experience working in Agile/Scrum teams.
• ISTQB Foundation Level certification and working proficiency in Polish and English (B2).

Responsibilities

• Plan, prepare, and execute functional, integration, regression, and user acceptance (UAT) tests
• Create and maintain test scenarios and test cases
• Identify, report, and verify software defects
• Perform API testing and validate integrations with external systems
• Prepare and maintain testing documentation
• Collaborate closely with developers, analysts, and other project team members

Skills

Software testing

Agile/Scrum

SQL

Testing scenarios and test cases

Mobile app testing

REST API testing

Education

ISTQB Foundation Level

Tools

Postman

SoapUI

Jira

Xray

TestRail

PostgreSQL

Oracle

XML

JSON

Job description

Transition Technologies PSC is seeking a QA tester to ensure software quality across the development lifecycle. You will design test scenarios, execute tests, and document results in collaboration with developers and analysts.

The role requires minimum 2 years in software testing, experience with functional and API testing tools, and proficiency in SQL. ISTQB cert and B2 Polish/English are expected; on-site work in Poland is assumed.