Manual QA Engineer

Madiff; United States; Remote; USD 80,000 - 110,000; Full time

Benefits offered by this job

Fully remote work model

Competitive salary

Multinational projects

Comprehensive healthcare

Long-term B2B contract

Job summary

Madiff is seeking a motivated Manual QA Engineer for a fully remote role focused on testing telecommunications, billing, and enterprise IT systems. You will design and execute manual test cases, validate requirements, and collaborate with developers, analysts, and other testers to ensure software quality throughout the delivery lifecycle.

The ideal candidate has at least three years of commercial manual testing experience, strong analytical and communication skills, and hands-on experience with

Qualifications

• Minimum 3 years of commercial manual software testing experience.
• Experience preparing and executing test cases.
• Functional, regression, integration, and end-to-end testing.
• Ability to analyze requirements and technical documentation.
• Experience with test management and defect tracking tools.
• Basic SQL knowledge.
• Understanding of APIs and system integrations.
• Good analytical and communication skills.
• Ability to work independently in a remote environment.

Responsibilities

• Prepare and execute manual test cases and scenarios
• Perform functional testing of applications and systems
• Execute regression tests after changes and releases
• Perform integration and end-to-end testing
• Verify business requirements against implemented functionality
• Analyse test results and identify defects
• Register and document defects in the test management system
• Retest fixes delivered by developers
• Prepare and maintain test data
• Analyse application logs and system messages
• Verify incoming and outgoing data between integrated systems
• Check files, data streams and system responses
• Document test execution and results
• Work with Developers, Analysts and other Testers
• Support testing activities within Agile teams where applicable

Skills

Manual testing

Test case design

Regression testing

End-to-end testing

API testing

SQL basics

Analytical thinking

Communication skills

Remote work

Tools

Jira

Postman

ALM Quality Center

Selenium

Playwright

Appium

XML/JSON

Job description

This is a remote position. We are looking for Manual QA Engineers to support the quality assurance of complex telecommunications, billing, and enterprise IT systems . The role focuses on preparing and executing functional, regression, integration, and end-to-end tests , validating business requirements, analysing application logs, APIs, and data flows, and identifying defects across interconnected systems. The consultants will work closely with Developers, Analysts, and other Testers to verify system functionality, document test results, retest fixes, and ensure the reliability and quality of applications throughout the software delivery lifecycle.

Responsibilities

• Prepare and execute manual test cases and scenarios
• Perform functional testing of applications and systems
• Execute regression tests after changes and releases
• Perform integration and end-to-end testing
• Verify business requirements against implemented functionality
• Analyse test results and identify defects
• Register and document defects in the test management system
• Retest fixes delivered by developers
• Prepare and maintain test data
• Analyse application logs and system messages
• Verify incoming and outgoing data between integrated systems
• Check files, data streams and system responses
• Document test execution and results
• Work with Developers, Analysts and other Testers
• Support testing activities within Agile teams where applicable

Requirements

• Minimum 3 years commercial manual software testing experience
• Experience preparing and executing test cases
• Functional testing
• Regression testing
• Integration testing
• End-to-end testing
• Experience identifying, reporting and retesting defects
• Understanding of software development and testing processes
• Ability to analyse requirements and technical documentation
• Experience with test management and defect tracking tools
• Basic SQL knowledge
• Understanding of APIs and system integrations
• Good analytical and communication skills
• Ability to work independently in a remote environment

Nice to have

• Telecommunications experience
• Billing systems experience
• Banking or other complex enterprise systems
• ALM Quality Center
• Jira
• Postman
• REST / SOAP API testing
• SQL and database validation
• XML / JSON
• Experience with Agile / Scrum
• Basic test automation knowledge
• Selenium / Playwright / Appium exposure

Benefits

• Fully remote work model
• Solid, competitive salary
• Work in a multinational environment on international projects
• Comprehensive healthcare
• Long-term B2B contract with a stable project pipeline