
John D
Full Stack Dev

Voir mes services

Expérience professionnelle
Penetration Tester
Deloitte
Mar 2019 - Dec 2023 • 4 yrs 9 mos
Conducted security assessments and vulnerability testing for enterprise clients across financial services, healthcare, and government sectors. Delivered detailed reports with prioritized remediation steps.
Database Developer
American Express
Feb 2017 - Feb 2019 • 2 yrs
Built and maintained database systems for one of the world's largest financial services companies. Worked with large-scale data infrastructure, query optimization, and production systems serving millions of customers.
791 Avis
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Détails de la notation
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- À recommander à un ami
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rodbarrientos

Chili
Outstanding Experience!
Réponse du freelance

markolevine

Japon
Cancelled order. Seller failed to deliver on time!

aaronmendoza263

Mexique
Outstanding Experience!
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sebastiaan36

Pays-Bas
These are not backlinks!
Réponse du freelance

ricky8001

Pakistan
Outstanding Experience!
Réponse du freelance