# Chai Lewgasamsarn

> SWE @ Chalk | 2x IOI Silver Medalist

Location: San Francisco, California, United States
Profile: https://flows.cv/chailewgasamsarn

Software Engineer at Chalk. Previously quant trader at IMC, CS at MIT. Final project winner at MIT 6.035: Compilers. Interested in distributed systems, performance engineering, and programming languages.

## Work Experience
### Software Engineer @ Chalk
Jan 2025 – Present | San Francisco, California, United States

### Quantitative Trader @ IMC Trading
Jan 2024 – Jan 2025 | Chicago, Illinois, United States
US Index Options

### Undergraduate Researcher @ MIT Computer Science and Artificial Intelligence Laboratory (CSAIL)
Jan 2023 – Jan 2024 | Cambridge, Massachusetts, United States
Designed and implemented new stateful computation features to A Tensor Language (ATL), a functional language for tensor computation with verified source-to-source optimization and a verified compiler.

### Quantitative Trader Intern @ IMC Trading
Jan 2023 – Jan 2023 | Chicago, Illinois, United States
US Treasury Futures

### Data Scientist Intern @ SCB – Siam Commercial Bank
Jan 2022 – Jan 2022 | Bangkok, Bangkok City, Thailand
Worked with other data scientists in the credit risk scoring team. Tasked with the project “B-Score Enhancement via MDPs,” whose goal is to make better credit limit decisions for a revolving loan product using Markov Decision Processes.

### Machine Learning Engineer Intern @ OxygenAI
Jan 2021 – Jan 2021 | Bangkok, Bangkok City, Thailand
Tasked with analyzing and improving the accuracy of OxygenAI’s person tracking model. Researched and implemented new methods and algorithms for part of the model and created an evaluation module and data sets to evaluate the accuracy of the new methods.

### Task Author @ ICPC - International Collegiate Programming Contest
Jan 2019 – Jan 2019 | Bangkok City, Thailand
Worked in teams to prepare algorithm problems and data sets and cross validate other problems for the 2019 Asia Bangkok Regional International Collegiate Programming Contest, an international programming competition for college students. Participating teams include teams from many of Asia's top-rated universities in computer science.

### Research Assistant Intern @ Vidyasirimedhi Institute of Science and Technology (VISTEC)
Jan 2019 – Jan 2019 | Wang Chan, Rayong, Thailand
Assisted in a bioinformatics research project on simulation-based drug discovery in the Scalable Data Systems (SCADS) Lab. Used AMBER to simulate biomolecular interactions, assisted in data collection and analysis, developed and discussed algorithms to be used in the research.


## Education
### Bachelor of Science - BS in Computer Science
Massachusetts Institute of Technology

### High School Diploma
Suffield Academy

### High School Diploma
Kamnoetvidya Science Academy


## Contact & Social
- LinkedIn: https://linkedin.com/in/s-lewgasamsarn

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Source: https://flows.cv/chailewgasamsarn
JSON Resume: https://flows.cv/chailewgasamsarn/resume.json
Last updated: 2026-04-10