Kristian Lejao
Software Engineer at Amazon Web Services (AWS)
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolKristian Lejao is a seasoned software engineer with 14 years’ experience building high-performance database and infrastructure software, currently contributing to Amazon Aurora PostgreSQL at AWS. He has driven storage engine and MVCC innovations at Huawei that boosted TPC-C performance and cut disk usage, and earlier built install and automation tooling at IBM that dramatically reduced deployment effort. Proficient in C/C++, Python, SQL and Go, he combines systems-level coding with pragmatic automation and recovery improvements (e.g., faster WAL replay and RTO gains). An active back-end contributor to projects like MarkUs, he has hands-on experience improving annotation workflows and UX at the code level. Based in Seattle and grounded in a Computer Software Engineering degree from University of Toronto, he also has a track record of turning prototypes into default production components and defending multiple patent filings.
13 years of coding experience
12 years of employment as a software developer
Port Credit Secondary SchoolBachelor of Science (BSc), Computer Software Engineering, Bachelor of Science (BSc), Computer Software Engineering at University of Toronto
English
Github Skills (7)
rails10
ruby-on-rails10
annotate10
annotations10
annotation-processing10
cgi9
html8
Programming languages (4)
Github contributions (5)
MarkUsProject/Markus
May 2012 - Aug 2012
Git repository of MarkUs
Role in this project:
Back-end Developer
Back-end DeveloperContributions:173 commits in 2 months
Contributions summary:Kristian primarily focused on modifying the MarkUs application's annotation features. Their work involved updating existing annotation views and functionalities, specifically within the `app/views/annotations/` directory, and modifying how annotations are created. The user's contributions included changes to the interaction of text with annotations, suggesting a focus on improving annotation workflow. These modifications are likely related to improving the annotation features within the MarkUs system.
git-repositorymarkdownmarkus
lejaokri/CrackingTheCodingInterview
Feb 2020 - Feb 2020
Contributions:3 pushes, 1 branch in 1 day
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.