Rex Lorenzo Software Engineer & Engineering Leader
Building innovative solutions with a focus on quality, scalability, and user experience.
About Me
Get to know more about me and what drives my passion
My Skills
I’m a seasoned Lead Developer with a proven track record of building high-performing engineering teams and delivering impactful software solutions across a range of industries. From leading complex system migrations to designing scalable platforms and streamlining business workflows, I bring a collaborative, results-driven approach to every project. I’m passionate about solving real-world problems, mentoring teams, and driving technical excellence.
Ready to take your engineering initiatives to the next level? Let’s connect and build something great together.
Education
UCLA Computer Science
Experience
B Capital, UCLA 20+ years
Location
Chino, CA
Languages
English
Projects
Explore my public work and contributions
Zoom Integration for Moodle
The mod_zoom plugin integrates Zoom video conferencing with Moodle, enabling instructors to schedule, manage, and launch Zoom meetings directly from their course pages.
Moodle
I contributed to the Moodle open-source learning management system. I was also recognized as a Particularly Helpful Moodler, give to the top 1% of forum contributors.
Moodle AWS Disaster Recovery
Enhanced an AWS Moodle template to provide a disaster recovery solution for CCLE (UCLA's LMS) to ensure business continuity.
Experience
Lead Developer
B Capital | 2021 - 2025
- Joined as the first full-time developer, established robust engineering workflows, and successfully built and mentored a distributed global development team across the US and India.
- Led migration from MySQL to a Databricks/PostgreSQL hybrid infrastructure, improving query and application performance from seconds to milliseconds.
- Developed and modernized the investment committee voting and deal sign-off systems, transitioning both from initial WordPress plugins to high-performance, scalable replacements built with SvelteKit, collaborating closely with Finance and Legal teams to streamline investment approvals.
- Automated internal operations by integrating HR and finance platforms, saving over 10 administrative hours weekly through streamlined data transfers and workflows.
Lead Developer
Common Collaboration and Learning Environment (CCLE), UCLA | 2011 - 2021
- Led integration and development of UCLA’s campus-wide LMS (CCLE), supporting over 30,000 users.
- Significantly contributed to Moodle open-source projects, recognized in the top 1% of contributors and presented at international conferences.
- Managed a successful internship program, mentoring students who progressed to roles at major tech companies (IBM, Facebook, Cisco, Workday).
- Engineered critical integrations, notably mod_zoom, which supported 10,000+ global institutions during the pandemic.
- Implemented robust disaster recovery solutions leveraging AWS infrastructure (CloudFormation, EC2, RDS) to ensure business continuity.
Programmer/Analyst
SEASnet Computing, HSSEAS, UCLA | 2003 - 2011
- Developed CourseWeb, a comprehensive LMS serving 3,000+ users across 500+ courses, enhancing educational delivery.
- Launched UCLA’s first online master’s program (MSOL), creating essential infrastructure for online education delivery.
- Created mentorship and advising systems, facilitating improved student-faculty interactions and academic tracking.
- Built an accreditation system, directly contributing to the highest ABET accreditation extension for the engineering school.
Presentations
Breaking LTI Out of the Box
2019-09-17
Demostrated our (Learning Tools Interoperability) LTI improvements for at the 2019 MoodleMoot US conference in Philadelphia.
0-60: Increase your Velocity with a non-traditional Agile Team
2017-11-07
We showcased our CCLE summer internship program at the 2017 MoodleMoot US conference in Miami.
PHP 7: What to Know
2016-06-23
Presented an overview of PHP 7 features and performance improvements at the 2016 MoodleMoot US conference in Los Angeles.
Getting Started with Browser Based Testing
2015-08-06
Gave a workshop on using Behat, the automated browser based testing framework, at the 2015 MoodleMoot US conference in Minneapolis.
What People Say
"One of the most remarkable aspects of Rex's work is his ability to approach problems independently while still collaborating effectively within our team. He consistently produces high-quality solutions that are not only functional but also creative and well-considered. Rex's attention to detail ensures that his work meets or exceeds expectations, and he brings a fresh perspective to challenges we faced."
- Raven Tan
VP of IT, B Capital
"Rex is a one in million quality colleague and human being. I've worked at CCLE for 6 years with him on the Agile team, watching him mentor UCLA students (summer internship) and other developers have repeatedly inspired me."
- Amber Stokes, EdD
LMS Support Coordinator/Change Analyst, UCLA
"During the time that Rex worked on my team he consistently demonstrated excellent skills as a Technical Lead and as a Developer both on the operations side and in application development. He is able to focus on development objectives and communicates in a clear, patient and effective manner with both with non-technical stakeholders and technical team members a like."
- Curtis Fornadley
CCLE Coordinator, UCLA
FAQ
Let's Connect
I'm always open to discussing new opportunities and interesting projects.
Get in Touch