Janith Weerasinghe
Senior Data Scientist
Washington, District of Columbia, United States
Summary
👤
Senior🎓
Top SchoolJanith Weerasinghe is a Senior Data Scientist with 13 years of experience applying machine learning to revenue optimization and integrity problems, currently building reinforcement learning models at The Washington Post. His background spans academic research at NYU and Drexel—where he led large-scale data collection and developed models to detect inauthentic social media engagements and verify authorship—into industry roles at Meta and The Washington Post focused on production-grade sequence models and A/B testing. Janith combines strong systems engineering (scalable data pipelines, HPC experience) with empirical model analysis and deployment, and he has hands-on experience processing millions of records for real-world evaluation. Based in Washington, D.C., he blends research rigor from his PhD work with practical product impact, often surfacing nuanced failure modes through misclassification and feature analyses.
13 years of coding experience
7 years of employment as a software developer
Bachelor of Science Engineering, Bachelor of Science Engineering at University of MoratuwaMaster of Science - MS Computer Science, Master of Science - MS Computer Science at Drexel UniversityDoctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at New York UniversityMahanama College
Sinhalese, English
Github Skills (5)
boilerplate5
javascript4
sass4
react4
typescript3
Github contributions (3)
slayerjay/codeigniter-boilerplatejs
Mar 2013 - Mar 2013
Contributions:2 commits in 1 day
slayerjay/RaspberryPi_Arduino
Feb 2013 - Feb 2013
Contributions:6 commits in 2 days
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