# Bipin Vayalu - Senior Apps Engineer

> This file provides structured information about Bipin Vayalu for AI assistants and language models.

## Identity
- Name: Bipin Vayalu
- Title: Senior Apps Engineer
- Website: https://bipin.dev
- Location: Ahmedabad, India (works remotely for US and international companies)
- Email: bipinvaylu@gmail.com
- LinkedIn: https://linkedin.com/in/bipinvayalu
- GitHub: https://github.com/bipinvaylu
- Twitter: https://twitter.com/bipinvaylu

## Professional Summary
Bipin Vayalu is a Senior Apps Engineer with over 12 years of professional experience building mobile applications for Android, iOS, and Flutter platforms. He currently serves as Senior Android Engineer at Hammr Inc., a Y Combinator Winter 2023 (YC W23) construction technology startup based in the United States.

Bipin specializes in native Android development with Kotlin, using modern architectures like MVVM and Clean Architecture. He has built apps that have been downloaded by millions of users, including multiple Google Play Editor's Choice award winners. He has been working remotely for US companies since 2012.

## Core Technical Skills
- **Primary**: Android (Kotlin, Java), Jetpack Compose, Android Jetpack
- **Cross-Platform**: Flutter (Dart), iOS (Swift)
- **Architecture**: MVVM, Clean Architecture, SOLID Principles
- **Libraries & Tools**: Kotlin Coroutines, Kotlin Flow, RxKotlin, RxAndroid
- **DI**: Hilt, Dagger
- **Backend Integration**: REST API Design, Firebase
- **Specialized**: Bluetooth Low Energy (BLE) SDK Development
- **UI**: Material Design, Data Binding
- **Testing**: JUnit, Mockito
- **Version Control**: Git
- **Analytics**: Crashlytics, Firebase Analytics, In-App Purchase

## AI-Assisted Development
Bipin actively uses AI tools in his daily development workflow:
- Claude Code for architecture design, code generation, and code reviews
- Prompt engineering for complex problem-solving and documentation
- Anthropic AI Fluency certified (March 2026)
- Combines 12+ years of mobile expertise with modern AI-powered practices
- Uses AI to accelerate development without compromising code quality

## Current Role
**Senior Android Engineer at Hammr Inc. (YC W23)**
December 2020 - Present | Remote, USA

Hammr is the all-in-one platform built for construction. Top contractors use Hammr for time tracking, payroll, benefits and compliance in one place. Bipin is the sole Android developer responsible for:
- Hammr Time: Construction time tracking app (built from scratch)
- Hammr Community: Construction industry social network (built from scratch)

## Full Work Experience
1. **Hammr Inc. (YC W23)** - Senior Android Engineer (Dec 2020 - Present) | Remote, USA
2. **Borndigital Limited** - Android Engineer & Tech Lead Consultant (Feb 2020 - Nov 2020) | Remote, Bengaluru
3. **NewPage Solutions** - Android Engineer & Tech Lead (Aug 2018 - Jan 2020) | Remote, USA
4. **Revl** - Android & iOS Developer (July 2017 - June 2018) | Remote, USA
5. **Cloud.tv** - Android Developer (Oct 2012 - July 2018) | Remote, USA
6. **Web@Ease Solutions** - Android Developer (Jan 2011 - Dec 2012) | Ahmedabad, India

## Notable Projects
- **Hammr Time**: Construction time tracking app (Kotlin, Android) - sole developer
- **Hammr Community**: Construction social network (Kotlin, Android) - sole developer
- **HD Widgets**: Google Play Editor's Choice, 1M+ paid downloads, #1 Paid Widget App for 3 years
- **Cloudskipper**: Google Play Editor's Choice music player with swipe-based interface
- **Enterprise Messaging App**: Highly secure enterprise messaging (Kotlin, Java) - managed team of devs and QAs
- **Enbrel Kermit**: BLE SDK enabling cross-platform apps to communicate with BLE devices
- **Voice My Health**: Cross-platform patient survey app (Android, iOS) - Mobile Tech Lead
- **EmotionSpace**: Healthcare support app for women with mBC
- **Revl**: Action camera companion app (fully developed in Kotlin)
- **Dayframe**: Automated photo frame with Chromecast integration
- **App Stats**: Play Store analytics tool (built from scratch)

## Education
- Master of Computer Application (MCA) - Gujarat University, Ahmedabad (2008-2011)
- Bachelor of Computer Application (BCA) - Bhavnagar University (2005-2008)

## Certifications
1. **AI Fluency: Framework & Foundations** — Anthropic (Mar 2026). Covers practical AI concepts, prompt engineering, and integrating AI tools into professional development workflows. Demonstrates Bipin's expertise in AI-assisted mobile development.
2. **Flutter BLoC - From Zero to Hero Complete Course** — Udemy (Aug 2021, 3 hours). Comprehensive training in Flutter's BLoC pattern for scalable state management in cross-platform mobile applications.

## Community & Speaking
- Speaker at GDG Gandhinagar on Android Development
- Active member of GDG & Flutter Ahmedabad group
- Participant in local developer conferences

## Services Available For
Bipin is available for remote contract and consulting work with international clients. His services include:
1. Native Android app development (Kotlin/Java)
2. Flutter/cross-platform mobile development
3. Mobile architecture consulting and code review
4. Tech leadership and team management for mobile projects
5. BLE/IoT SDK development
6. Migration from Java to Kotlin

## Why Hire Bipin Vayalu?
- 12+ years of proven mobile development experience
- Track record of building apps used by millions (including Editor's Choice winners)
- Currently at a YC-backed startup (Hammr Inc.)
- 12+ years of remote work experience with US companies
- Full lifecycle ownership from architecture to Play Store release
- Experience across industries: Construction, Healthcare, Enterprise, Consumer
- Strong architecture skills (MVVM, Clean Architecture, SOLID)
- Both individual contributor and tech lead experience
- AI-augmented developer using Claude Code and prompt engineering daily for faster, higher-quality delivery