Aritra Roy
Staff Data Engineer
Kolkata, West Bengal, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolAritra Roy is a Staff Data Engineer at Meta with 11 years of experience building analytics and product-facing data systems for Ads. He blends large-scale data engineering at Meta with a hands-on background in DW-BI and AI/analytics from a decade in healthcare at Cognizant, giving him a strong foundation in both reliability and domain-driven data work. Beyond backend pipelines, he contributes to Android open-source libraries (PatternLockView, PinLockView, Flashbar), showing a practical full-stack curiosity and a knack for shipping polish in user-facing UI components. He writes about data engineering to mentor newcomers and accelerate careers, demonstrating a commitment to community knowledge sharing. Based in Kolkata and with roots in computer science, he pairs production-grade engineering with a playful "I break things" experimental mindset that fuels rapid learning and robust fixes.
11 years of coding experience
15 years of employment as a software developer
Bachelor of Technology (B.Tech.) Computer Science and Engineering, Bachelor of Technology (B.Tech.) Computer Science and Engineering at West Bengal University of Technology, KolkataHigh School (class 12) Physics Chemistry Mathematics Economics English, High School (class 12) Physics Chemistry Mathematics Economics English at D.A.V. Public School- Hehal, Ranchi
English
Stackoverflow
15,485reputation
1.7mreached
169answers
85questions
android-animation
top-5%
java
top-5%
firebase-realtime-database
top-5%
firebase
top-5%
android
top-1%
android-layout
top-5%
Github Skills (24)
kotlin10
ui-design10
android-development10
java10
android-library10
javas10
material-design10
android10
rxjavafx9
animation9
android-animation9
firebase-realtime-database9
android-layout9
rxjava9
firebase9
Programming languages (8)
Github contributions (5)
aritraroy/PinLockView
Jun 2016 - May 2018
A clean, minimal, highly customizable pin lock view for Android
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:46 commits, 6 PRs, 35 pushes in 1 year 11 months
Contributions summary:Aritra primarily focused on developing and enhancing the Android pin lock view library. Their contributions included fixing bugs related to button visibility, implementing improvements for custom dataset support, and adding features such as layout shuffling. They also revamped the indicator dots implementation and added new indicator types, showing a focus on improving the UI and user experience of the library.
androiddialpadlocklockscreenpin
aritraroy/PatternLockView
Mar 2017 - Mar 2018
An easy-to-use, customizable and Material Design ready Pattern Lock view for Android
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:39 commits, 2 PRs, 37 pushes in 11 months
Contributions summary:Aritra primarily worked on the implementation of the PatternLockView for Android. Their contributions included fixing animation issues, improving aspect ratio calculations, adding property setters for customization, and incorporating features to support stealth mode and haptic feedback. They also refactored the reactive extension adapter for better integration and added MD5 message digest functionality to the utils class. The user also added improvements to the sample app including a logo.
androidmaterial-designandroid-librarypattern-library
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