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Qa Lead @Valtech
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WORK HISTORY
Qa Lead @Valtech
For a fintech client, I designed and implemented CI/CD pipelines for integration and end-to-end testing in a Python/Django microservices ecosystem hosted on AWS.Scope and responsibilities:Built Playwright test automation for sales applications and installer portals for Spain and Germany.Designed and maintained CI/CD pipelines for integration tests across microservices (Python, Django, AWS).Developed and tested integrations with external credit bureaus and decision engines:TransUnion + Zoral credit decision engineEquifax + internal/Zoral decision logicContributed to Django backend development and managed serverless deployments using Zappa (AWS Lambda, RDS).Tested and validated data and process migration between different system architectures.Performed security testing of public endpoints (including basic traffic filtering / hardening recommendations).Used Linear and Notion for planning, tracking, and documentation of QA and development work.Built an internal QA agent (AI assistant) to support daily QA activities and test analysis.Research & innovation (credit risk / fintech):Researched and prototyped the use of PCA, Random Forests, reinforcement learning, game-theoretic models, and LSTM (Long Short-Term Memory) networks for credit-risk modelling and fintech decision-support.Skills:AWS · CI/CD · GitHub · Python · Django · Microservices · OpenAPI · Playwright · Zappa (Lambda, RDS) · Zoral (decision engine) · TransUnion integrations · Test Automation · Security Testing
EDUCATION
Silesian University of Technology
Master's degree, Computer Science
ABOUT ANDRZEJ O.
As an experienced professional in the field of Quality Assurance, I am constantly driven to expand my skill set and apply my knowledge to achieve outstanding results. With a proven track record of success in delivering high-quality software to production, I have honed my ability to think strategically, work collaboratively, and deliver exceptional outcomes in a dynamic and fast-paced environment.Throughout my career, I have developed a keen eye for detail, which enables me to identify and troubleshoot complex issues with ease. My strong communication skills, coupled with my ability to build and maintain strong relationships with clients and colleagues alike, have been instrumental in driving growth and promoting long-term success in my previous roles.As someone who is passionate about cyber security, I am committed to staying up-to-date with the latest industry trends and emerging technologies. I thrive on challenges and am always looking for new opportunities to learn and grow both personally and professionally.If you are looking for a highly motivated and results-driven individual with a strong work ethic and a proven ability to deliver exceptional outcomes, then I am confident that I have the skills, experience, and drive to make a positive impact in your organization.
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