# Saina Shawulieti

> Software Engineer at BitSight

Location: Boston, Massachusetts, United States
Profile: https://flows.cv/saina

## Work Experience
### Senior Software Engineer @ BitSight
Jan 2021 – Present | Boston, Massachusetts, United States
- Built a customized large-scale graph database using HBase hosted on AWS EMR 
- Created a Flask service from scratch. Developed APIs to perform asynchronous queries to the graph database
- Implemented CI/CD pipelines for local development, integration testing, and Kubernetes deployment

### Software Engineer @ BitSight
Jan 2019 – Jan 2021 | Greater Boston Area
- Maintained the core data pipeline, processing terabytes of data daily using Hadoop MapReduce, Airflow and AWS EMR, and updating security ratings for over 1 million entities in AWS RDS and Redshift databases
- Designed the MySQL backend and Django model of a new API in the BitSight portal that could show customers their upcoming security rating change estimation
- Optimized the Rapid Assessment Service that took one domain as input, searched associate IPs and secondary domains, and generated security ratings. Reduced search time from over 5 min to 90% less than 1 min. Generated security ratings of 250,000 entities for a customer in two weeks.
- Integrated the revenue data of entities from external APIs into BitSight rapid assessment API. Built caching mechanism to reduce response time and also avoid exceeding rate limits of external APIs.

### Data Engineering Fellow @ Insight Data Science
Jan 2019 – Jan 2019 | Greater Boston Area
Architected an application to track anime series and notify the users once new episodes release
Built a web scraper extracting data from Crunchyroll and saving into PostgreSQL database
Applied Airflow to automate the workflow
Scaled out the number of workers by Celery and RabbitMQ to provide higher availability and scalability

### Internship @ LinOptx
Jan 2018 – Jan 2018 | San Diego


## Education
### Master's degree in Mechanical Engineering
UC San Diego

### Bachelor of Engineering - BE in Mechanical Engineering
Tsinghua University


## Contact & Social
- LinkedIn: https://linkedin.com/in/saina-s
- GitHub: https://github.com/sainas

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Source: https://flows.cv/saina
JSON Resume: https://flows.cv/saina/resume.json
Last updated: 2026-03-31