I'm Praveen Devarajan, a Computer Science/Public Policy grad student at the University of Chicago 🎓

• I work as a Data Scientist/Research Engineer with UChicago Institute for Climate and Sustainable Growth, where I help develop ML products to detect violations of the Clean Air Act. I am also a DRW fellow, through which I assist in understanding the effect of Time-Of-Use pricing of electricity on consumer behavior.

• I worked as a Data Engineer with Ballotpedia, where I built a pipeline to extract, clean, and load data for more than 100,000 candidates contesting local elections in the US.

• I also help build the backend of a sustainability-based startup called Solom.

I have been a volunteer teacher, a grassroots social worker during the pandemic, and a product manager helping build products for teaching children.

• Web scraping and Tokenizing pipeline built using Go
• Pipeline to extract, parse and classify Twitter users
• Energy sector analysis of US
• Belay, a slack-like messaging app
• AI-based Job Application tracker(ongoing)

Many repositories from school projects are private for academic integrity and intellectual property purposes. Code can be shared with prospective employers upon request.

• Distributed System for Genomic Annotation Services using AWS Services(S3, Glacier, DynamoDB, State Machines, Lambda functions and SQS/SNS)
• Lock-free task management system in Go, utilizing concurrent data structures (lock-free FIFO queue, RWLock) and atomic CAS operations
• Parallelizing image convolutions using basic synchronization primitives
• Text to text Transfer Transformer model (T5), fine-tuned to summarize data
• Replicating the "Attention is all you need" architecture using PyTorch
• Markov Models for Text Attribution
• Web Scraping & Web Crawlers with lxml
• CRUD app to handle tweets, and link records, with SQLite and Flask 🪶
• Record Linkage Algorithms
• Analyzing Avian Diversity using Recursive Treemaps
• Polling Precinct Simulation using M/M/N Queues
• Analyzing Political Tweets using NLP
• Epidemic Simulation using the SIR Model