Javier Sainz
Software Engineer at Meta
United States
Summary
👤
Senior🎓
Top SchoolJavier Sainz is a software engineer and solutions architect with 10 years of experience designing and shipping enterprise web applications, currently contributing at Meta. He brings deep Java (Java EE, Spring) expertise and a strong track record in cloud-native architectures, microservices, event-driven systems, and containerization from a leadership role at IBM where he architected hybrid cloud solutions. Javier has delivered and optimized 10+ production applications—some serving 20k+ active users—focusing on scalability, performance, and improved user experience. A hands-on mentor and instructor, he pairs OOP discipline with practical operational insight and a Master’s in Computer Science, which informs his systematic approach to complex systems. Known for solving thorny problems and guiding teams, he often blends architectural rigor with pragmatic engineering to move projects from prototype to stable production.
10 years of coding experience
11 years of employment as a software developer
Bachelor of Engineering (B.E.), Computer Engineering, Bachelor of Engineering (B.E.), Computer Engineering at Instituto Tecnológico de Ciudad GuzmánMaster’s, Computer Science, Master’s, Computer Science at ITESO Universidad Jesuita de Guadalajara
English
Stackoverflow
311reputation
24kreached
6answers
1question
Github Skills (80)
java10
reactive9
reactive-kafka9
sql-query9
cloud-foundry9
java-bytecode9
sql9
hive9
database8
big-data8
blocking8
presto8
cloud-native8
hadoop8
project-reactor8
Programming languages (5)
Github contributions (5)
IBM/reactive-components
Sep 2018 - Dec 2020
Library that provide a wrapper for JDBC (Blocking API) with reactive components (Project Reactor) using Java Persistent API (Hibernate).
Contributions:33 commits, 20 PRs, 25 pushes in 2 years 2 months
apihibernatereactorproject-reactorblocking
FcoJavierSainz/duplicated-code
Dec 2019 - Jan 2022
Code Clone Detector Experiment Master's program ADA projet
Contributions:17 PRs, 19 pushes, 15 branches in 2 years 2 months
adacppprojetmasterdetector
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