I am an Android Application Engineer, currently working in Moweb Technologies having 4 years experience. I am familiar with

Android architecture like,

MVC

Chat libs like,

- Firestore Chat, Socket IO, QuickBlox

API libs for SOAP, REST and Multipart data request,

- Retrofit, OKHTTP

Android DB like,

- PAPER.IO, ROOM, SQLite

Third party DB server like,

- Firebase, Firestore

Kotlin libs like,

- Coroutine,KTX

Image Loading libs like,

- Glide, Picasso, Fresco

Social Logins like,

- Facebook, Google, Twitter

Source code staging, bug report software like,

- Bitbucket, JIRA, Github, Asana

Payment gateway like,

-InAppPurchase,Paypal

Also some tools like,

- Android X, Lifecycle API, Fragment KTX, API Interceptor, GSON, SDP, FFMPEG, MediaCodec, Easy permissions, GCM, FCM, Crashlytics, Fabric, Android Templates, ADMob Integration,Third Party Library Integration.