# Raul Chall

> Principal Software Engineer at Roblox

Location: Burlingame, California, United States
Profile: https://flows.cv/raulchall

Creative and passionate programmer with the ability to quickly learn and understand new technologies. Very enthusiastic about products with big impact on people's lives.

## Work Experience
### Principal Software Engineer @ Roblox
Jan 2020 – Present | San Francisco Bay Area

### Senior Software Engineering @ Roblox
Jan 2018 – Jan 2020 | San Francisco, California

### Full Stack Engineer @ Roblox
Jan 2017 – Jan 2018 | United States

### Software Engineer @ Gladly
Jan 2015 – Jan 2017 | San Francisco Bay Area
•  Working across web and mobile stacks, from UX to web services to automated testing and deployment pipelines
•  Contributed to browser extensions and mobile apps that have 4.5+/5 stars in the app stores
•  Built a custom ad server from the ground up
•  Used interest targeting and machine learning (PredictionIO) to increase ad CTR by 35%
•  Currently migrating a legacy Django app to a serverless React/Relay/GraphQL app on AWS Lambda

### Software Engineer @ ONEI
Jan 2013 – Jan 2015
•	Designed and programmed an application that replaced the current system at the time, providing the agency with a strong tool with a friendly user interface to manage the database and create statistics reports based on the data provided by the companies in the country.
•	Integrated to the system 5 new internal tools that revolutionized and improved complex and critical tasks of the Processing and Informatics departments in the agency.
•	Imparted lectures about the new system to coworkers from across the country.
•	Applications been used by more than 15 people in the main agency location and another 50 across the country in other agency’s offices.

### Software Engineer @ LeaderEssentialTools
Jan 2014 – Jan 2015
•	Designed and implemented a web cloud-based application for network marketing management and leadership tools.
•	Worked as full stack developer as part of a small team.
•	Implemented complex and critical features like calendar, purchases, friend’s network, instant message and notification system.
•	Became team lead and participated in the recruitment of new members.
•	Participated in code review and planning tasks.
•	Became experienced in team code coordination tools like Bitbucket.

### Software Engineer @ B-able Financial Solutions
Jan 2013 – Jan 2013
•	Designed and programmed a website to promote and sell B-able software using Bootstrap (HTML, jQuery, CSS), MySql, PHP and Paypal API.
•	Implemented in B-able software the credentials check feature to restrict access to customers only using Visual Studio(C#, MySQL .NET Connector).


## Education
### Bachelor of Science (BSc) in Computer Science
University of Havana


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

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Source: https://flows.cv/raulchall
JSON Resume: https://flows.cv/raulchall/resume.json
Last updated: 2026-04-12