Nov 2021 - Now: Identity - https://stripe.com/identityBuilding Identity's mobile(Android, iOS and React Native) SDKs with Tensorflow/TFLite/CoreMLFeatured at Google IO 2023Feb 2021 - Nov 2021: Android Payment SDKRe-architecture https://github.com/stripe/stripe-android with SOTA Android goodies(canonical Kotlin APIs, customized Dagger, various Jetpack libs - Navigation, Compose etc). Split up the legacy single-SDK codebase into reusable modules owned by different teams, laid the foundation of Stripe's new multi-SDK team structure

Designer and founding engineer of Tensorflow Lite Task APIs, a cross platform infrastructure to build native(c++)/Android(Java/Kotlin)/iOS(Objc/Swift) on-device machine learning inference APIs. Serving Tensorflow Lite models to billions of mobile users from apps built inside and outside Google.

Techlead for YouTube Red/Premium Android team, built YouTube Android commerce library, YouTube Original Android/iOS experience, YouTube Red family plan.Built YouTube's authentication framework(password, fingerprint and more) on Android and desktop.

Android Performance Team - Monitor API round trip time, bitrate, framerate of Android App. Built a platform to gather the performance data from ~100m production users and from internal test machines, automate performance test running, data gathering, test threshold generation and notifications etc.Android Profiles Team - Owns profile page on Twitter Android, implemented birthday collection and birthday balloon animation.Android People Discovery Team - Revamp the experience on finding your friends on Twitter Android. Responsible for designing and implementing features regarding local contacts syncing, permission checking, database, new API endpoint, new UI component etc.

Responsible for maintaining a (pooling and reusing orient) high performance Java-based framework including adding new features, refactoring etc.Work under Unix and responsible for writing scripts(in shell/python) to automates launching different instances of app, doing statistic and reporting the data in certain formats

• Work with Professor Sergei Maslov to add new features to an open source genome alignment project: Mauve. Implemented a high performance Java Swing based Genome viewer using BioJava library.• Work with Professor William Studier to merge the spreadsheets representing different variations of E. coli genomes into one to facilitate identification of inversions, duplications, insertions, deletions and replacements of nucleotides.• Implement various string matching algorithms and Hidden Markov Model to help generate a reference basic genome of commensal E. coli based on currently available sequences to analyze evolutionary mechanisms.

• Improve the performance of logging systems (based on log4j, slf4j and logback) of BTI group by up to 30% using an asynchronous logging structures• Design a standalone test bed to evaluate the performance of any existing logging systems following company level software development standard (from building projects using maven to updating using subversions and synchronizing with central repository)• Apply the new logging system to real company level code and do evaluations, migrating logging system to test on different platforms• Submit some modifications of a legacy software’s online documentation• Getting familiar with line of business and understanding how technology fits the need of business customers

2009)Tetris game, Online paint board, Chatting room application, etc. by Java.Responsible for developing various applications by using Java programming languages, designing GUI systems using Swing.Handle the tasks of gathering and writing documentation of program development.Responsible for the maintenance of the coding and fixes the bugs.

Warehouse Management system by J2SE and Oracle Database.Video on Demand System by J2EE Oracle Database.Assigned the responsibilities for developing and analyzing Java and J2EE based applications.Manages a team of 4 programmers and provide quality code before deadlines.Created, modified, maintained and optimized ORACLE database, responsible for the designing the advance SQL queries, procedure, cursor, triggers.Responsible for designing the web pages for the database deposition (HTML, CSS, JavaScript).