Mahangu Weerasinghe
Data Analytics Engineer
Colombo, Western Province, Sri Lanka
Summary
🤩
Rockstar🎓
Top SchoolMahangu Weerasinghe is a Data Analytics Engineer with 11 years of experience, currently leading development of Automattic’s internal forecasting and anomaly detection system and maintaining on-prem Hadoop data products. He specializes in designing and optimizing ETL pipelines across Fivetran, BigQuery, Azure Blob, Spark and MySQL, and has improved CI/CD, monitoring (Grafana→Opsgenie) and incident response for critical infrastructure. A former talent analytics lead and hiring manager, he turned hiring data into company-wide KPIs and dashboards for C-suite consumption, demonstrating a rare blend of product-facing analytics and hands-on infrastructure work. Mahangu also contributes to prominent open-source WordPress projects like Jetpack and Sensei, focusing on backend robustness and accessibility improvements. Based in Colombo, Sri Lanka, he combines a humanities background in English with a data engineering nanodegree, bringing strong communication and teaching instincts to technical leadership.
11 years of coding experience
15 years of employment as a software developer
Nanodegree, Data Engineering, Nanodegree, Data Engineering at UdacityMaster of Arts - MA, English Studies, Master of Arts - MA, English Studies at University of ColomboBachelor of Arts - BA, English and Western Classics, Bachelor of Arts - BA, English and Western Classics at University of Kelaniya Sri Lanka
Github Skills (14)
wordpress10
php10
sens10
shortcode10
lms10
wordpress-plugin10
plugin10
mysql9
mysql-db9
html9
javascript8
css7
api-design5
react5
Programming languages (8)
Github contributions (5)
Automattic/sensei
Jul 2015 - Nov 2015
Sensei LMS - Online Courses, Quizzes, & Learning
Role in this project:
Back-end Developer
Back-end DeveloperContributions:64 commits, 35 PRs, 16 pushes in 3 months
Contributions summary:Mahangu primarily contributed to the back-end functionality of the Sensei LMS WordPress plugin. Their work involved fixing bugs in shortcodes, particularly those related to teachers and course categories, and implementing new shortcodes like `sensei_lesson_page`. The user also made improvements to code organization by cleaning up comments, variable names, and utilizing the correct fields for question types and other data handling within the WordPress environment. These modifications enhanced the functionality and maintainability of the platform.
wordpressphpsenseisensei-lmsplugin
Automattic/jetpack
Jan 2016 - Feb 2016
Security, performance, marketing, and design tools — Jetpack is made by WordPress experts to make WP sites safer and faster, and help you grow your traffic.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:14 commits, 4 PRs, 13 comments in 18 days
Contributions summary:Mahangu primarily focused on improving the user interface and functionality of the Jetpack plugin, particularly within the "My Jetpack" admin page and custom content types. Their contributions included updating the wording and links in several modules, such as contact forms, and making accessibility improvements by adding string sanitization and correcting tab spacing. They also updated the link to the plugin search for "akismet" and updated links in the My Jetpack user list.
reactexpertswordpressphpsecurity
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