Rui Malheiro
Machine Learning Research Engineer at Self-Directed Research (Independent)
United Kingdom
Summary
👤
Senior🎓
Top SchoolRui Malheiro is a machine learning research engineer with 13 years of software engineering experience, currently focused on LLM systems and distributed training from first principles. He blends deep low-level model understanding with practical experience building scalable training infrastructure and production ML features, having led AI/ML engineering teams and founded the technical core at a startup acquired by Playvox. Comfortable across the stack, Rui’s open-source contributions include full-stack work on KA Lite, improving UX, cross-browser compatibility and offline content delivery—hinting at a pragmatic, user-focused engineering approach. Based in the UK, he pairs a strong computer science foundation from Universidade do Porto with a research-minded curiosity captured by his GitHub motto: the joy of understanding.
13 years of coding experience
11 years of employment as a software developer
Bachelor of Science (BSc), Computer Science, Bachelor of Science (BSc), Computer Science at Universidade do Porto
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
python10
django10
front-end-development9
javascript9
css8
html8
ui-design7
interface-design7
user-interface7
Programming languages (5)
Github contributions (5)
learningequality/ka-lite
Jan 2013 - May 2015
KA Lite: lightweight web server for serving core Khan Academy content (videos and exercises) without needing internet connectivity
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:80 commits, 1 PR, 14 comments in 2 years 4 months
Contributions summary:Rui primarily contributed to front-end and back-end aspects of the KA Lite project. They implemented UI improvements, addressing issues related to Internet Explorer compatibility and enhancing the user experience. Additionally, the user fixed a caching issue and worked on improving message handling and preventing duplicate messages. The user also made adjustments to the Windows scripts to provide a better installation process, including the ability to specify the port.
webserver
ruimalheiro/gradient-garden
Mar 2025 - Jul 2026
Contributions:7 PRs, 189 pushes, 52 branches in 1 year 4 months
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