Tiziana Sellitto
Staff Software Engineer at PayPal
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolTiziana Sellitto is a Staff Software Engineer with 12 years of experience designing and shipping backend systems for payments and web applications, currently based in San Jose and working at PayPal. She specializes in Java and Ruby ecosystems—Spring Boot and Ruby on Rails—building microservices, GraphQL/REST APIs, and protobuf-backed services for card provisioning and network tokenization. At PayPal she has driven improvements to authorization rates, led processor certifications, and mentored junior engineers while moving systems toward higher code quality and reliability. Previously she modernized legacy Java platforms at Western Union to reduce costs and built secure JWT-based integrations for partner systems. Trained as a computer scientist in Italy, she combines pragmatism and strong ownership with a knack for untangling payment flows and certification processes that often sit behind the scenes.
12 years of coding experience
11 years of employment as a software developer
M.Sc., Computer Science, M.Sc., Computer Science at Università degli Studi di Salerno
English, Italian
Github Skills (44)
servo10
microsoft-edge9
browser9
gnome9
google-chrome9
rust9
pygobject8
safari8
blink8
dom8
gecko8
javascript8
snippet8
syncthing8
webbrowser8
Programming languages (6)
Github contributions (5)
tizianasellitto/lasd
Aug 2016 - Dec 2019
Algorithms and Data Structures in Java
Contributions:8 PRs, 20 pushes, 12 branches in 3 years 4 months
javadata-structuresalgorithms-and-data-structures
tizianasellitto/servo
Aug 2016 - Dec 2016
Contributions:16 pushes, 2 branches in 3 months
servojavascriptbrowser-enginebrowser
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