Prabhakar Jha
About
Experienced Developer with a demonstrated history of successfully shipping production grade code, apps as well as cool games for apple iOS and Google Android platform. Highly skilled in Java, Swift, Design Patterns, Concurrency, Cloud Computing, Firebase, Performance tuning for CPU, GPU & data usage, Memory leak tracing & bugs, Mobile Applications, and Games. Strong business development professional graduated from Indian Institute of Technology (Indian School of Mines), Dhanbad. Visited some technologically advanced & historically rich places of Tokyo & Okinawa prefecture for two weeks, hosted by Japan govt.
Experience
Tech Lead
MagicPin
# Designed as well as wrote core components of OrderHere app (iOS, android) as well as helped my team in successfully pushing this project to production. # Owning Notification system (backend) that is used for producing and consuming various events and analytics data across the organisation in the form of push notifications, WhatsApp, email and sms and analytics and alerts. It is using go, kafka, bigquery, bigtable, mysql, cassandra clusters and related technologies. # Suggested and merged common features of Merchant partner web (written in React.js + Redux) and OrderHere app (written using React - Native + Redux + Swift + Objective-C + Java).
- Rewrote Magicpin iOS app from scratch.
- Improved rating of Magicpin, iOS app from 2.9/5 (Nov 2019) to 4.1/5 as of Dec 2021 on iOS App Store.
Founder
Feynsu Labs
Education
B.Tech in Engineering
IIT Dhanbad
Schooling
JNV Darbhanga
Skills
Programming Languages
Databases
Frameworks/Runtimes
Frontend Frameworks
Mobile Development
State Management
Backend Frameworks
Machine Learning
Cloud Platforms
IDEs/Tools
Backend as a Service
Messaging Systems
Software Engineering
Software Optimization
Game Development
Web Technologies
Reactive Programming
Messaging Libraries
Image Loading Libraries
Web Frameworks
Data Processing
Networking
Android UI
Projects
Examtm
Built an exam portal which was used for giving mock test for JEE Main and Advanced as well as scheduling and managing syllabus for the same. It was also used by Byjus (Think and Learn Pvt Ltd) for their NCR operation primarily.
Crack Jee'
Built an android application which had all the information regarding JEE syllabus, exam dates and latest news. It was parsing multiple exam related sites. 4.7 rating on play store and was being used by more than 40k students.
Yoga Launcher
Built a nice home replacement on android having advanced and intuitive layouts and controls. It has some amazing features like blur, suggestions, security, live clock rendering, unified search interface for searching contacts, play store apps, youtube videos, google search, apps and games. Layout is highly customisable. Written from scratch using Java, Android, Realm-java, Eventbus, Butternife...etc. source code has > 40k lines of code in java.
ImageFlow Lib
Built IF lib for fetching multiple image assets concurrently, similar to Pinterest. Written using various features of android and java like ExecutorService, Executors, ThreadPool, Multithreading and concurrency, Future, Handler, Looper, Threads, Runnable, Callable, JSON parsing, complex Datamodels, http connection and stream, BlockingDeque, Hashtable, WeakReferences, RecyclerView, various CustomViews, oops, solid, various design patterns and interfaces...etc
Sleepy Fish iOS
Pilot Story iOS
JEE Syllabus Manager iOS