Fast delivery • Clean UI • Affordable

Shivam Kumar – Freelance Android Developer for Business Apps

I'm Shivam — freelance Android developer. I help businesses and entrepreneurs launch production-ready Android apps quickly using Kotlin, Jetpack, and Firebase.

Typical project: MVP app with authentication, basic CRUD, and push notifications — ready to ship in 2–6 weeks depending on scope.

Portfolio

Showcasing my recent projects and case studies

VoxAnalyzer — AI Voice Emotion Analyzer

Full-stack Android app for voice emotion analysis with secure Google Cloud Run deployment, Whisper speech-to-text, and transformer-based segment emotion detection.

Kotlin OpenAI Whisper Transformer Google Cloud Run MVVM
GitHub Project Link →

NightLibrary — Secure Media Vault

Privacy-focused Android vault for sensitive media with offline-first Room persistence, background workers, and encryption-ready storage handling.

Kotlin Room Database WorkManager FileProvider Offline-first
GitHub Project Link →

GeoFence Tracker — Child Safety

Android app with geofences, entry/exit detection, and persistent location history using Google Maps SDK and Room Database.

Kotlin Geofencing API Background Location Room Database Google Maps
GitHub Project Link →

Full Screen Timer App

Distraction-free timer app with persistent sessions, Firebase Auth, DataStore, and lifecycle-aware battery optimization.

Kotlin Firebase Auth DataStore Battery Optimization Material 3
GitHub Project Link →

GymSaathi App

Fitness app with Firebase authentication, biometric login, workout tracking, and progress analytics using clean MVVM architecture.

Kotlin Firebase Room Database Jetpack Compose Biometric Login
GitHub Project Link →

Services Offered

Comprehensive Android development solutions tailored to your needs

Custom Android App Development

Full-cycle Android app development using Kotlin and Firebase with fast UI and scalable backend.

Get a Quote →

App Maintenance & Optimization

Improve app performance, fix bugs, and enhance user experience.

Upgrade My App →

Firebase Integration

Set up Authentication, Firestore, Analytics, and Push Notifications.

Setup Firebase →

UI/UX to App Conversion

Convert your design (Figma/Adobe XD) into a working Kotlin app.

Start My Project →

Technologies I Work With

Cutting-edge tools and frameworks for modern Android development

Android Development

  • Kotlin
  • Java
  • Jetpack Compose
  • MVVM Architecture
  • Room Database
  • Jetpack Libraries

Backend & APIs

  • Retrofit
  • REST APIs
  • Firebase Authentication
  • Firestore / Realtime DB
  • Cloud Messaging (FCM)

Tools & Technologies

  • Android Studio
  • Git & GitHub
  • Postman
  • Figma (UI/UX)
  • Firebase Console

Testimonials

What my clients say about working with me

"Working with Shivam was effortless — he understood our needs instantly and delivered a flawless app before deadline."
RM

Rahul Mehta

Founder, FitStart

"Highly communicative and reliable developer. Our Firebase integration was smooth and fast."
AS

Ananya Sharma

Product Manager

"Shivam's attention to detail and clean code made our app maintenance so much easier. Highly recommended!"
VP

Vikram Patel

CTO, TechSolutions

Frequently Asked

Short answers to help you decide faster.

How long does a typical app take?

An MVP typically takes 4–8 weeks depending on complexity. I provide timelines with every quote.

Do you provide ongoing maintenance?

Yes — bug fixes, Play Store updates, performance improvements & feature add-ons available by agreement.

How do you price projects?

I quote per project based on scope. Use the contact form to share requirements and I’ll return a clear estimate.

Do you sign NDAs?

Yes — I can sign NDAs and deliver private repositories on request.

Let's talk about your app

Quick answers and honest pricing. Tell me about your idea — I’ll reply in 24 hours.

Thanks — I will respond within 24 hours.