Open to opportunities

Karol Rajkiewicz

@karolrajkiewicz

Message

I validate web, mobile, and AI SaaS products through risk-based QA.

Poland

Message

What I'm looking for

I'm looking to contribute risk-based QA, web and mobile testing, API validation, Cypress automation, and AI-assisted feature validation to products where quality, release confidence, and collaboration matter.

I've owned QA for Redvike / ElevateOS, validating assigned features across a multi-tenant SaaS platform on web and mobile. I define test strategies, assess release readiness, automate checks with Cypress, and validate REST APIs using Postman and SQL.

I'm also building AgoraTrade, an AI-assisted market intelligence SaaS, where I test data quality, UI, APIs, authentication, subscriptions, and AI-generated explanations. My experience spans web applications, mobile games, PC and iOS testing, with a focus on practical risk-based coverage and reliable releases.

Experience

Work history, roles, and key accomplishments

Current

Founder / Product Builder

Current

AgoraTrade

Jan 2025 - Present (1 year 7 months)

Built and QA-validated an AI-assisted market intelligence SaaS for Natural Gas, Gold, Silver, and Nasdaq. Created Python data pipelines, signal trackers, evaluation scripts, coverage reports, and historical performance audits.

Python Data Pipelines QA AI Next.js Supabase Stripe Authentication API Testing

Current

QA Engineer

Current

Redvike / ElevateOS

Aug 2022 - Present (4 years)

Owned QA for assigned features in a multi-tenant SaaS platform across web and mobile. Defined test strategies, determined regression scope, and performed functional, exploratory, regression, integration, cross-browser/device, and API testing.

Cypress Postman REST APIs SQL Jira Git Docker Web Testing Mobile Testing Test Strategy Risk Based Regression

QA Tester

Globegroup

Oct 2021 - Jul 2022 (9 months)

Tested websites and web applications through functional, regression, and API testing. Created test cases, reported defects, verified fixes, and worked with clients on upcoming changes.

Functional Testing Regression Testing API Testing Test Case Creation

QA Tester

BoomBit

Feb 2021 - Sep 2021 (7 months)

Tested mobile games on Android and iOS; documented defects and retested resolved issues. Collaborated with developers and the Product Owner to improve stability and usability.

Mobile Testing Android iOS Defect Documentation Collaboration

Functional Tester

Lionbridge

Jan 2020 - Feb 2021 (1 year 1 month)

Performed functional, regression, and acceptance testing on PC and iOS. Executed test plans, documented results, provided product feedback, and prepared daily reports.

Functional Testing Regression Testing Acceptance Testing Test Execution Documentation