Nizamuddin Khalifa

AI/ML • Guwahati, India • UTC+05:30 • Work permits: India • Available now

Android Developer

6+ years exp

6+ years ML exp

Java

Kotlin

SQL

Python

Dart

Active 2 days ago

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Overview

Technical skills

Timeline

Roles

Overview

Senior Android engineer with 6+ years of production experience building and modernizing Android apps using Kotlin, Java, and Jetpack Compose. Experienced in Clean Architecture with MVVM/MVI, modularization, and performance optimization, and has hands-on work integrating REST/GraphQL and on-device ML with ML Kit and TensorFlow Lite. Also has technical leadership experience through mentoring, production debugging, and reusable library/SDK development.

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Technical skills

Languages

Java

Kotlin

SQL

Python

Dart

Riverpod

Dio

Go_router

Kotlin

OkHttp

Retrofit

Dagger

Hilt

Kotlin Coroutines

MockK

Ktor

Mobile

ML Kit

Jetpack Compose

Firebase

Room

Material3

MVVM

Flutter

Clean Architecture

Modularization

MVI

DataStore

JUnit

WorkManager

AI/ML

TensorFlow

LLM

LiteRT

Other

SQLite

Rest API

GraphQL

Sensor Fusion

PostgreSQL

GitHub

Android SDK

GitHub Actions

Supabase

Gradle

CI/CD

WebSockets

Computer Vision

Edge AI

MVP

Timeline

Senior Android Developer • Senior

Vantage Circle • Full-Time

Jul 2020 to May 2026 5 Years 10 Months Guwahati In office

Modernized a legacy Android codebase to MVVM with improved separation of concerns and onboarding. Migrated production screens from XML to Jetpack Compose and introduced Material 3 across multiple modules. Built a camera-based exercise recognition pipeline using ML Kit pose landmarks and TensorFlow Lite, and optimized UI rendering using Android profiling. Delivered backend integrations with Retrofit, OkHttp, and GraphQL, migrated persistence from SQLite to Room, and supported Android 15 readiness alongside mentoring engineering peers.

Kotlin

Java

Jetpack Compose

Material3

MVVM

MVI

Clean Architecture

Modularization

Dagger

Hilt

Kotlin Coroutines

Room

SQLite

Retrofit

OkHttp

GraphQL

Firebase

ML Kit

TensorFlow

Sensor Fusion

Mobile & Web Developer • Middle

Geekworkx Technologies • Full-Time

Jun 2018 to Jun 2020 2 Years Guwahati In office

Developed and maintained location-based Android applications, integrating REST/JSON services and resolving production defects. Contributed to a web ERP platform while supporting mobile features end to end. Mentored junior developers and participated in ongoing maintenance and improvements across the product stack.

Rest API

Android Developer • Middle

KBG Software • Full-Time

Apr 2018 to Jun 2018 2 Months Guwahati In office

Maintained Android applications for school clients by implementing features and fixing defects. Integrated REST APIs into existing mobile functionality. Worked on delivery of production updates while supporting ongoing maintenance needs.

Rest API

Royal School of Engineering and Technology

Bachelor's Degree • Mechanical Engineering

2013–2017 Guwahati, Assam