Senior Manual QA Engineer — Remote, Flexible Hours

FinteqHub; Warszawa; Remote; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Remote work flexibility

Private insurance

Extra day off

Sports program

Mental health program

Online English lessons

Referral program

Training & conferences

Job summary

FinteqHub is seeking a seasoned Manual QA Engineer to ensure the high quality and stability of the Cashier Widget across browser and mobile integrations. You will help deliver reliable payment flows and a consistent user experience for merchants and their customers.

You will develop and maintain test documentation, perform functional and regression testing, test REST APIs with Postman, and collaborate closely with developers and analysts throughout the lifecycle. English required; Russian a plus.

Qualifications

• 3+ years of QA engineering experience.
• Hands-on testing of backend and web frontend apps.
• Solid understanding of SDLC and microservices.
• Good SQL knowledge for data validation.
• Experience testing REST APIs.
• Cross-browser and mobile testing experience.
• Strong communication and collaboration skills.
• English B1+; Russian C1+ is a plus.

Responsibilities

• Develop and maintain test documentation: specs, test cases, plans.
• Perform functional and regression testing across web and mobile.
• Test REST APIs using Postman and Charles Proxy.
• Validate user flows across web and mobile interfaces.
• Identify, document, and track issues in the bug tracker.
• Collaborate with developers and analysts throughout the lifecycle.
• Prepare clear reports based on testing results.
• Participate in feature discussions and suggest quality improvements.

Skills

Backend testing

Frontend testing

API testing

SQL

REST APIs

Test documentation

Bug tracking

Cross-browser testing

Tools

Postman

Charles Proxy

Job description

FinteqHub is seeking a seasoned Manual QA Engineer to ensure the high quality and stability of the Cashier Widget across browser and mobile integrations. You will help deliver reliable payment flows and a consistent user experience for merchants and their customers.

You will develop and maintain test documentation, perform functional and regression testing, test REST APIs with Postman, and collaborate closely with developers and analysts throughout the lifecycle. English required; Russian a plus.