Led QA efforts for a Fortune 500 fintech client migrating financial services from on-prem to Google Cloud. Designed and executed SQL and BigQuery validation routines ensuring data accuracy across multiple environments. Supported and optimized existing Java-based automation framework (TestNG, Maven, Jenkins) to increase CI/CD reliability. Acted as a single QA lead, establishing structure and documentation for the testing process under tight delivery timelines.

Senior QA Engineer at Strikers AB

April 1, 2023 - April 1, 2024

Partnered with clients and medical professionals in Stockholm to test and present a health care iPad app in Swedish. Performed end-to-end QA (manual, API, mobile) for a React + Node.js + MongoDB SaaS platform. Contributed to backend (.NET) and DevOps workflows, creating configuration files and supporting CI/CD environments. Acted as liaison between English-, Polish-, and Swedish-speaking stakeholders to streamline communication and delivery.

Senior QA Engineer (Automation & Data) at Amazon Web Services

June 1, 2021 - April 1, 2023

Maintained and executed an automation framework for AWS internal data base migration suite (Java, TestNG, Maven, Jenkins, Git). Validated massive data transfers across Oracle, PostgreSQL, Redshift, and Teradata with high-complexity SQL queries. Improved test coverage for Big Data pipelines (Hadoop, Hive, HDFS), reducing regression time by 30%. Mentored new QA engineers and supported documentation for cross-team knowledge sharing.

QA Engineer (Manual/Automation) at DB Best Technologies

August 1, 2018 - May 1, 2021

Led QA for a key sub-project migrating desktop database tools to web applications. Maintained and executed an automation framework for Amazon’s internal database migration suite (Java, TestNG, Maven, Jenkins, Git). Played a key role in the team relocation project, which Amazon later acquired.

QA Engineer at Agilities / Nix Solutions

July 1, 2011 - July 1, 2018

Gained a solid foundation in manual testing across health care and enterprise software systems. Created and executed detailed test plans, identified defects, and ensured product reliability across multiple web and mobile platforms. Collaborated with automation engineers to align manual and automated testing efforts, contributing to smoother release cycles.

Senior QA Engineer (Contract) at UST Global

May 1, 2024 - October 1, 2025

Led QA for a financial services migration from on-prem to Google Cloud, focused on data workflows and back-end validation; designed and executed complex SQL/BigQuery validation queries to ensure consistency across multiple systems and environments. Performed end-to-end testing of data pipelines, transformations, and reporting workflows. Enhanced the existing automation framework (Java, TestNG, Maven, Jenkins), improving CI/CD reliability. Served as sole QA lead, establishing structured test plans, test suites, and regression strategies under fixed deadlines.

Senior QA Engineer at Strikersoft AB

April 1, 2023 - April 1, 2024

Full lifecycle QA for a healthcare SaaS platform (React + Node.js + MongoDB) including mobile apps, with emphasis on validating data flows between backend services and front-end apps (including video call workflows). Collaborated with Swedish medical staff, presented app functionality, and supported multilingual communication. Contributed to backend (.NET) configuration and CI/CD environments, improving deployment reliability.