Rohit Sharma

About Me

Building the future - one app, one model, one agent at a time

Senior Android Engineer | KMP Expert | AI Explorer

I'm a passionate Senior Android Developer with deep expertise in Kotlin Multiplatform (KMP), focused on delivering high-performance, scalable mobile solutions. Over the last 4+ years, I've built and led the development of multiple production-grade apps, driving engineering excellence across architecture, performance, and deployment.

Beyond mobile, I'm actively expanding into the future of computing-exploring Data Science, AI/ML, and the rise of Agentic AI. From training models to experimenting with autonomous agents, I'm fascinated by the next wave of intelligent systems and how they can augment human capabilities.

I believe in being a lifelong learner. Whether it’s building smarter apps, automating workflows, or designing human-centric AI systems, I’m always eager to embrace emerging technologies and stay ahead of the curve.

Age: 24

Degree: Computer Science

Email: work.rohit531@gmail.com

Location: Mumbai, India

Phone: +91 7972401335

Experience: 4+ years

When I’m not coding, I enjoy exploring cutting-edge tools, contributing to tech communities, reading research papers, watching anime, cooking, and leveling up in open-world video games. Curiosity drives me - and I’m excited to keep shaping the future through code and creativity.

Professional Experience

Building excellence through innovation

Kayana | Ordering and Payment Solutions

Sr. Android Engineer

Sept 2024 – Present | Mumbai – Hybrid

Leading Android development across Kayana Eats, Kayana for Business, white-label apps, and POS terminal apps, managing feature development, bug fixes, and store deployments across 1000+ hospitality venues
Architected and shipped the Kayana Payment SDK, enabling secure, PCI-compliant in-app transactions, offline support, and seamless integration for internal and external developers
Built an In-App Receipt Customization SDK with dynamic, server-driven templates and clean APIs, improving developer experience and partner adoption
Re-architected apps using modular MVVM + Clean Architecture for scalability, maintainability, and performance optimization
Improved app performance by ~45% and reduced APK size by 40% through optimized threading, Gradle tuning, and asset modularization
Enabled server-driven UI using Firebase Remote Config and prebuilt components, allowing real-time feature toggles and dynamic content rendering
Built an in-house MDM solution to remotely manage and update apps across devices, reducing reliance on third-party tools
Developed backend services with Spring Boot, Redis, RabbitMQ, and Postgres to support real-time transactions and scalable operations
Streamlined CI/CD pipelines using Fastlane, Bitrise, and GitHub Actions, reducing release time by 30% and enabling faster testing and deployment cycles
Focused on developer experience with comprehensive SDK documentation, automated tests, sample projects, and clear API contracts to improve integration efficiency

Flavum Healthtech Pvt Ltd

Full Stack Mobile Engineer

Oct 2023 – Sept 2024 | Remote

Kotlin Multiplatform Leadership

Led the integration of Kotlin Multiplatform (KMP) architecture, sharing 70%+ of business logic between Android and iOS platforms. Implemented shared data layer, networking, and domain logic using KMP, significantly reducing development time and ensuring consistency across platforms.

Led mobile development, owning 70%+ of the codebase and handling Play Store deployments
Architected KMP solution sharing data models, repositories, and business logic across Android/iOS
Integrated real-time audio/video calls, secure payments, and WebSocket-based updates
Enabled server-driven UI and remote configurations using Firebase
Delivered efficient CI/CD, stable releases, and backend deployment on AWS EC2, S3
Built Material UI, smooth navigation, and optimized state handling with KMP shared ViewModels

Cognitive Clouds Pvt Ltd

Android Engineer

Jun 2022 – Oct 2023 | Bengaluru – Remote

Delivered 4 Android apps, collaborating closely with design, QA, and backend teams.
Led successful development of Hollywood Feed and Singer apps, demonstrating expertise in architecture, coding, and project management.
Boosted user engagement by 40% in Hollywood Feed through UX and payment flow enhancements.
Transformed Hollywood Feed from a website into a fully-featured mobile app, significantly increasing user reach and engagement.
Implemented advanced offline caching, multithreading, and scalable architecture patterns.
Built and integrated chat systems, appointment booking, and exercise data visualization in the Singer medical app.
Added search, filters, and payment gateways in Hollywood Feed, ensuring smooth and secure user transactions.
Oversaw full app lifecycles from concept to deployment, delivering innovative, performant, and user-centric features.
Contributed 60% of the Hollywood Feed codebase, emphasizing technical leadership and commitment.
Achieved 66.66% code coverage using Java and Kotlin, ensuring test reliability and maintainability.
Proactively identified and resolved issues, consistently improving app stability and user satisfaction.

CS Master

Android Developer Intern

February 2020 - August 2020 | Mumbai

Implemented RecyclerViews to efficiently display dynamic lists of data.
Integrated animations to enhance user engagement and make the app more interactive.
Developed pixel-perfect UI designs using Material Design principles, animations, and CoordinatorLayout.
Consumed RESTful APIs using Retrofit to enable smooth data exchange and boost app functionality.

These experiences significantly strengthened my Android development skills and provided valuable learning opportunities.

Jetking Noida Learning Center

Network Engineer (Part-time)

Jul 2017 – Jul 2018 | Mumbai – On-site

Installed, configured, and maintained routers, switches, and LAN infrastructure in lab environments.
Assisted with troubleshooting network connectivity issues and performed hardware diagnostics and replacements.
Monitored network performance and implemented basic security protocols including firewalls and access control.
Provided technical support to students and faculty on networking concepts, setup, and best practices.
Built a strong foundation in TCP/IP, subnetting, DHCP, DNS, and OSI layer fundamentals.

This foundational role helped spark my long-term interest in systems architecture and laid the groundwork for my evolution into full-stack mobile development and beyond.

Skills & Expertise

Technologies that power innovation & intelligent systems

Mobile Development

Kotlin Java Android SDK/NDK Jetpack Compose XML Layouts Kotlin Multiplatform Swift UI Flutter & Dart TensorFlow Lite (TFLite) ML Kit (Vision, Text, Translation) On-device ML SDK Development API Design In-app Payments & Subscriptions

Architecture & Patterns

MVVM MVI MVC Clean Architecture Repository Pattern Modular Architecture Server-driven UI

Dependency Injection

Dagger Hilt Koin

Backend & APIs

RESTful APIs GraphQL Ktor Spring Boot AWS (EC2, S3) Redis RabbitMQ PostgreSQL Node.js

Data & Storage

Room DB SQLite Firebase MongoDB PostgreSQL Realm

Tools & DevOps

Git Gradle GitHub Actions Fastlane Bitrise Postman

Testing & Quality

JUnit Mockito Espresso Unit Testing SDK Testing Integration Testing

Reactive Programming

Coroutines Flow LiveData RxJava

AI, ML & Data Science

Python Pandas NumPy Prompt Engineering scikit-learn TensorFlow TFLite ML Kit On-device ML OpenAI APIs LangChain Vector Databases Agentic Workflows AI Agents (AutoGen, CrewAI)

Featured Projects

Innovation through code

Flavum: Healthcare For Women

Kotlin • Compose • KMP • Firebase

A comprehensive healthcare app for women featuring consultation booking, health record management, and specialized care access. Built with Kotlin Multiplatform sharing 70% code between platforms.

Book consultations with healthcare specialists
Manage health records and ABHA account integration
Schedule HPV vaccines and expert consultations
Real-time video/audio calls with doctors

Play Store

Kayana Eats & White-label Apps

Kotlin • MVVM • Firebase • CI/CD

Leading development of food ordering platform with dynamic server-driven UI and white-label solutions for restaurants. Achieved 50% performance improvement through modular architecture.

Modular MVVM architecture with 40% size reduction
Dynamic UI using Firebase Remote Config
End-to-end encryption and secure authentication
CI/CD pipeline reducing release time by 30%

Network Library

Kotlin • Java • Maven • Open Source

A lightweight, customizable networking library for Android applications, published on GitHub Packages for easy integration and reuse across projects.

Lightweight and easy-to-use API
Customizable network call configurations
Published on GitHub Packages
Comprehensive documentation and examples

GitHub

Notify - Smart Task Manager

Kotlin • XML • Location Services

Hackathon-winning productivity app that intelligently notifies users about events with real-time traffic updates and goal-linked task reminders for enhanced time management.

Real-time traffic integration for smart notifications
Location-based event reminders
Goal-linked task management system
Won hackathon for innovative approach

GitHub

Hollywood Feed

Kotlin • MVVM • Retrofit • Payment Integration

Entertainment app featuring celebrity news, exclusive content, and premium subscription model. Boosted user engagement by 40% through UX enhancements and payment flow optimization.

40% increase in user engagement
Secure payment gateway integration
Advanced search and filtering
Offline content caching

Singer Medical App

Kotlin • WebSocket • Chat Integration

Medical application with integrated chat system, appointment booking, and exercise data visualization for healthcare professionals and patients.

Real-time chat system
Appointment booking and management
Exercise data visualization
HIPAA-compliant data handling

Senior Android Engineer, KMP Expert & AI Explorer from Mumbai