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Nitish Kumar Singh Image
Nitish Kumar Singh

I am your flutter developer with last 4 years of experience.

I start working with flutter when it was in beta version.

Flutter Portfolio

I have been working with flutter for last 4 years. Before that I have worked with native Development(Java) for a year.

These are the projects which I made in past 4 years. I’ll only mention those featuer which I made in the app, I have not all listed all the features of the app.

Greetings n More

This was a freelancing projects and I made this app from scratch. I also made the admin dashboard to mange the mobile app content.

Mobile App Features

  • Greeting Listing
  • Search
  • Dynamic Filter
  • Image Editor
  • Quotes Editor
  • Image Sharing
  • Push Notification
  • Dark and Light Theme Supprot
  • Update App Icon from Admin Panel (Icon on HomeScreen)


  • Flutter
  • Laravel
  • MySQL

Google Store Link Google Store Link

My Faviorite Feature: Image Editor is feature, I am most of proud of in this app, also handling Notification for more than thousands user was new for me.


GABA Inc. was USA based company and I worked as remote developer here. I mostly worked on the their internal app. The Internal app was like admin dashboard for the main app.

Mobile App Features

  • Chat
  • Service Booking
  • Profile Gamification
  • Splash and Onboarding

Internal App Features

  • Overflow of the App
    • I wrote lots of query to aggreate the data and get some sensable data.
  • I worte a dyanmic filter to filter the entity based on the paramters


  • Flutter
  • GraphQL
  • SQL
  • Node.js

My Faviorite Feature: I wrote a script which used to send a welcome message to all the new signup user from Founder

Google Store Link Google Store Link

Tutubi B.V.

I am founding member at Tutubi B.V.and I made most of the features here.

Mobile App Features

  • Chat
  • Service Booking
  • Localization
  • Payment Gateway
  • Firebase Analytics
  • Push Notification
  • Firebase Crashlytics
  • Firebase Remote Config
  • Deeplink/ Dynamic Link
  • Switch Kill Feature
  • Flutter Web App


  • Flutter
  • CI/CD (codemagic)
  • Firebase
  • Node.js

My Favorite Features: I made the more than a text/image sharing feature. The Chat can do few dynamic things like, sharing services, booking, location. The app will show dyanmic ui for that.

Customer App

Google Store Link Google Store Link Google Store Link

Service Provider App

Google Store Link Google Store Link


I am using video and image of respective client and company to showcase my work. I don’t own any of these assets and It’s only being used of representational purpose.