Witold Zolnowski

Senior Software Engineer

Witold Zolnowski is a Senior Software Engineer at Fenergo since September 2025, with a strong background in software engineering spanning multiple roles and companies. Notable experiences include optimizing batch job performance at RenaissanceRe and managing Docker container security scanning at JPMorgan Chase & Co. Previously, Zolnowski worked on ETL pipelines for Thérapie Clinic and developed internal tools at Fidelity Investments, contributing to various projects while implementing automated CI/CD pipelines. The educational background includes a Higher Diploma in Computer Software Engineering from the National College of Ireland, along with certifications in front-end web development and advanced degrees in accounting and psychology. Zolnowski began a career in security and catering roles, showing a diverse professional journey.

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