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I'm Jason Kraszewski, a detail-oriented engineer with a robust background in test automation and AI initiatives. I'm passionate about trading and the finance domain. I excel at developing comprehensive test plans and executing test automation to drive software reliability and performance.…

Jason Kraszewski

QA Engineer, Web Developer, Front-End Developer, +5

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I'm Jason Kraszewski, a detail-oriented engineer with a robust background in test automation and AI initiatives. I'm passionate about trading and the finance domain. I excel at developing comprehensive test plans and executing test automation to drive software reliability and performance.…

Available to hire

Leszno, Poland

I’m Jason Kraszewski, a detail-oriented engineer with a robust background in test automation and AI initiatives.

I’m passionate about trading and the finance domain. I excel at developing comprehensive test plans and executing test automation to drive software reliability and performance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Advanced

Work Experience

QA Engineer at Wyden AG

October 1, 2021 - March 1, 2026

Implemented integration tests with 40 external data sources and production environment for cryptocurrency changes. Developed end-to-end tests using Java and Selenium with Appium for trading platform, ensuring robust functionality. Updated test implementations and connectors to integrate with external systems. Monitored the health of all accounts and investigated issues. Maintained contact with exchanges, liquidity providers, brokers, and custodians that the system integrates with. Launched AI initiatives aimed at improving overall performance and work quality.

QA Engineer at AXL Dynamics

February 1, 2019 - August 1, 2020

Developed end-to-end tests using Java stack, validating functionality and delivering high-quality deliverables. Executed end-to-end testing across trading platform front- and back-end components. Updated test implementations and connectors to improve integration. Communicated test results to stakeholders, emphasizing critical findings and actionable improvements. Collaborated with developers to identify and resolve software defects.

QA Engineer at C&C Technology

October 1, 2016 - January 1, 2019

Developed comprehensive test plans ensuring thorough requirement coverage and alignment with project goals. Executed end-to-end testing using Python stack, validating functionality and delivering high-quality deliverables. Communicated test results to stakeholders, emphasizing key findings and actionable improvement areas. Collaborated with developers to identify and resolve software defects.

Mentor at GoIT NeoVersity

January 1, 2024 - Present

Guided students through coding and software development projects; facilitated workshops on emerging technologies and industry best practices; reviewed articles and homework assignments to ensure comprehension and quality.

QA Software Engineer at AXL Dynamics

February 1, 2019 - August 1, 2020

Developed comprehensive test plans ensuring test coverage and alignment with project goals; executed end-to-end testing using a Java stack; validated functionality and ensured high-quality deliverables; communicated test results to stakeholders and collaborated with developers to resolve defects.

Software Quality Engineer (Contributor) at Sabre Corporation

September 1, 2020 - September 1, 2021

Developed comprehensive test plans ensuring thorough requirement coverage and alignment with project goals. Executed end-to-end testing using Java stack to validate functionality and enhance software quality. Communicated test results to stakeholders, emphasizing critical findings and actionable improvement areas.