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Hi, I'm Karolina Kuc, a Quality Assurance Engineer with a strong background in manual, API, and performance testing, and a growing focus on test automation using Cypress and TypeScript. I pride myself on precision, clear communication, and challenging assumptions to help improve product quality. I collaborate closely with clients and cross-functional teams, bringing transparency, ownership, and a solutions-oriented mindset to every stage of delivery. I enjoy uncovering edge cases, widening test coverage, and supporting better engineering decisions by turning vague requirements into clear, testable scenarios.…Hi, I'm Karolina Kuc, a Quality Assurance Engineer with a strong background in manual, API, and performance testing, and a growing focus on test automation using Cypress and TypeScript. I pride myself on precision, clear communication, and challenging assumptions to help improve product quality. I collaborate closely with clients and cross-functional teams, bringing transparency, ownership, and a solutions-oriented mindset to every stage of delivery. I enjoy uncovering edge cases, widening test coverage, and supporting better engineering decisions by turning vague requirements into clear, testable scenarios.

Karolina Kuc

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Hi, I'm Karolina Kuc, a Quality Assurance Engineer with a strong background in manual, API, and performance testing, and a growing focus on test automation using Cypress and TypeScript. I pride myself on precision, clear communication, and challenging assumptions to help improve product quality. I collaborate closely with clients and cross-functional teams, bringing transparency, ownership, and a solutions-oriented mindset to every stage of delivery. I enjoy uncovering edge cases, widening test coverage, and supporting better engineering decisions by turning vague requirements into clear, testable scenarios.…Hi, I'm Karolina Kuc, a Quality Assurance Engineer with a strong background in manual, API, and performance testing, and a growing focus on test automation using Cypress and TypeScript. I pride myself on precision, clear communication, and challenging assumptions to help improve product quality. I collaborate closely with clients and cross-functional teams, bringing transparency, ownership, and a solutions-oriented mindset to every stage of delivery. I enjoy uncovering edge cases, widening test coverage, and supporting better engineering decisions by turning vague requirements into clear, testable scenarios.

Available to hire

Hi, I’m Karolina Kuc, a Quality Assurance Engineer with a strong background in manual, API, and performance testing, and a growing focus on test automation using Cypress and TypeScript. I pride myself on precision, clear communication, and challenging assumptions to help improve product quality.

I collaborate closely with clients and cross-functional teams, bringing transparency, ownership, and a solutions-oriented mindset to every stage of delivery. I enjoy uncovering edge cases, widening test coverage, and supporting better engineering decisions by turning vague requirements into clear, testable scenarios.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Language

Polish

Fluent

English

Advanced

Norwegian

Intermediate

Work Experience

Performance QA Engineer at WEBCON

January 1, 2025 - March 31, 2025

Tested key workflows of an internal process-automation product used across multiple business areas. Prepared and executed k6 performance tests, presenting findings to developers and non-technical stakeholders in a clear, practical way. Contributed to shaping the CI/CD pipeline by introducing automated performance checks into the delivery process.

Software Tester at Diagnostyka Digital Hub

September 1, 2024 - January 31, 2025

Worked on a large healthcare application, focusing on manual and acceptance testing. Reviewed business requirements, UX flows and Figma designs, highlighting unclear areas and aligning expectations with analysts and stakeholders. Performed basic SQL checks to verify data logic and support faster issue investigation.

Regular Software QA Engineer at RE Poweric

July 1, 2023 - September 30, 2024

Part of a team building a renewable-energy management platform involving microservices, integrations and telemetry. Tested core business flows and performed API testing with Postman, making sure data and integrations worked correctly. Created JMeter performance tests, analyzed results and suggested improvements to the engineering team. Actively clarified requirements and caught gaps early by raising questions during planning sessions. Helped automation team to refactor and create new Cypress scripts.

Regular Software QA Engineer at Codibly

July 1, 2019 - July 31, 2023

Worked across multiple products: renewable energy, EV systems, healthcare, insurance and workflow automation. Performed manual and API testing, basic performance checks (JMeter) and database validation. Gained hands-on with Cypress (TypeScript), writing initial automation scripts and supporting improvements to existing ones. Collaborated closely with clients and business teams, helping turn vague requirements into clear, testable scenarios.

Junior Manual Software Tester at Spotello

August 1, 2017 - July 31, 2019

T ested a rental and event-management application, learning QA fundamentals in a real product environment. Checked user flows, basic API calls in DevTools and documented issues clearly for the development team. Worked closely with developers on debugging.

Senior Software QA Engineer at Knowit

March 1, 2025 - Present

Working on a healthcare platform, handling functional, API and cross-device testing; collaborating with product owners and stakeholders; building and maintaining automated tests in Cypress + Cucumber; expanding automation coverage.