Usman Khalid
Chief Technology Officer at LabXchange
United Arab Emirates
Summary
🤩
Rockstar🎓
Top SchoolUsman Khalid is a seasoned technology leader and Chief Technology Officer at LabXchange with 12 years of experience building reliable web platforms and data-driven systems. He brings deep backend expertise from contributing to major open-source projects like Open edX—improving assessment tooling, database reliability, and modular store persistence—which underscores his focus on data integrity and operability at scale. Previously he led engineering efforts at OpenCraft and Arbisoft, managing teams, integrating microservices, and driving performance, testing, and accessibility improvements across MySQL, MongoDB, Elasticsearch, and caching layers. Comfortable moving between hands-on development and strategic leadership, he champions robust documentation, automated retries, and fault-tolerant data access patterns. Based in the UAE, he pairs an academic grounding in computer science from LUMS with practical experience shipping education technology. A detail-oriented engineer-manager, he often surfaces stability and usability fixes that prevent subtle data and deployment issues before they reach production.
12 years of coding experience
6 years of employment as a software developer
Bachelor of Science (BSc), Computer Science, Bachelor of Science (BSc), Computer Science at Lahore University of Management Sciences
Github Skills (13)
mongodb10
back-end-development10
python10
django10
mongodb-database10
documentation9
database-design9
version-control9
git9
database-migration8
data-structures8
database-migrations8
data-structure8
Programming languages (9)
Github contributions (5)
openedx/edx-ora2
Nov 2014 - Nov 2015
Open Response Assessment Suite
Role in this project:
Back-end Developer
Back-end DeveloperContributions:143 commits, 39 PRs, 59 pushes in 1 year
Contributions summary:Usman primarily contributed to improving the Open Response Assessment Suite. Their work includes updating and fixing instructions related to the setup of a Vagrant instance, running the development server, and correcting syntax errors within the README documentation. Additionally, the user made changes to the assessment models by fixing a migration that incorrectly altered a field and improved error handling related to assessment creation. These contributions suggest a focus on improving documentation, fixing data integrity issues, and enhancing the system's stability.
assessmentpythonsuite
openedx/edx-platform
Sep 2013 - Mar 2021
The Open edX LMS & Studio, powering education sites around the world!
Role in this project:Back-end Developer
Back-end DeveloperContributions:155 reviews, 283 commits, 226 PRs in 7 years 6 months
Contributions summary:Usman primarily contributed to the back-end functionality of the Open edX platform, focusing on the modular store and related data management. Their work involved refactoring and enhancing the code around MongoDB interactions by wrapping connections in proxy classes and implementing features for automatic retries. These changes aimed at improving data persistence and reliability, particularly within the split module store architecture and improving the performance and efficiency of database operations. They also made improvements related to course cohort settings.
edxlmssitesbackend-serviceopen-edx
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