Alinson Xavier
Computational Scientist
Greater Chicago Area United States
Summary
🤩
Rockstar🎓
Top SchoolAlinson Xavier is a Computational Scientist at Argonne National Laboratory with 16 years of experience applying combinatorial optimization, high-performance computing and machine learning to hard problems in power systems and operations research. He holds a PhD in Combinatorics & Optimization from the University of Waterloo and has a track record of accelerating mixed-integer linear programming through novel cutting-plane methods and constant-time lifting algorithms. Equally at home in C, C++, Python and Julia, he builds parallel and distributed scientific software for HPC clusters and cloud platforms, and has shipped mobile features for widely used open-source apps like Loop Habit Tracker. His projects have reached millions of users and been localized into over 35 languages, reflecting a rare combination of deep theory, production-grade engineering and community-focused open-source leadership.
16 years of coding experience
10 years of employment as a software developer
Bachelor of Science (B.Sc.), Computer Science, Bachelor of Science (B.Sc.), Computer Science at Universidade Federal do CearáDoctor of Philosophy (PhD), Combinatorics and Optimization, Mathematics, Doctor of Philosophy (PhD), Combinatorics and Optimization, Mathematics at University of Waterloo
English, Portuguese, Japanese
Github Skills (12)
kotlin10
uid10
javas10
front-end-development10
ui-design10
android10
java10
optimization9
optmization9
optimisation9
appcompatactivity8
testing7
Programming languages (6)
Github contributions (5)
iSoron/uhabits
Nov 2014 - Jan 2023
Loop Habit Tracker, a mobile app for creating and maintaining long-term positive habits
Role in this project:
Mobile Developer (Java/Kotlin)
Mobile Developer (Java/Kotlin)Contributions:44 releases, 64 reviews, 1926 commits in 8 years 3 months
Contributions summary:Alinson primarily worked on the "Loop Habit Tracker" Android application, contributing to the user interface and widget functionality. Their commits demonstrate expertise in modifying existing UI components (e.g. BarCard, CheckmarkWidgetView) and updating the appearance of the application (e.g. switching to DarkTheme, adjusting colors). The user's contributions also cover debugging, performance improvements, and refactoring of code related to different widgets.
habitlong-termtrackerstreakloop-habit-tracker
ANL-CEEESA/UnitCommitment.jl
Nov 2020 - Jul 2022
Optimization package for the Security-Constrained Unit Commitment Problem
Contributions:4 releases, 26 reviews, 207 commits in 1 year 8 months
securityoptimizationunit-commitmentmultiobjective-optimizationunit
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