# Sachin Hiriyanna - Staff Software Engineer at Navan & Agentic AI Builder

> Staff Software Engineer at Navan Mobile Platform | IEEE Senior Member (2025) | Co-Chair IEEE Foothill YP | Agentic AI Builder | 500K+ users on products I helped build

## About

Sachin Hiriyanna is a Staff Software Engineer with a passion for building impactful products at scale. Over the past decade, he has led Android development across fintech, mobility, and travel, shipping consumer-facing features used by hundreds of thousands of people worldwide.

At Navan, Sachin has grown from Senior Android Engineer to leading platform initiatives as Staff Engineer—driving cross-cutting projects (including the full Koin-to-Hilt migration of 100K+ lines and co-authoring Navan Tech Blog coverage of the ObjectBox-to-Room/DataStore migration across 85 entities), guiding technical strategy, and collaborating across organizations to scale a world-class travel and expense platform.

## Affiliations

- **IEEE Senior Member** (2025)
- **Co-Chair, IEEE Foothill Young Professionals**

## Current Role

- **Company**: Navan
- **Title**: Staff Software Engineer (Mobile Platform)
- **Location**: Los Angeles Metropolitan Area
- **Focus**: Leading Platform team, driving cross-cutting initiatives, architecting core frameworks

## Core Expertise

- **Mobile Development**: Android (Kotlin, Java), iOS (Swift, SwiftUI), Kotlin Multiplatform
- **AI & Machine Learning**: Agentic AI, LLMs, RAG, OpenAI, LangChain, Hallucination Mitigation
- **Architecture**: MVVM, Clean Architecture, Dependency Injection (Hilt, Dagger), Modularization
- **Web Development**: React, TypeScript, Node.js, Python
- **CI/CD**: Bitrise, Azure DevOps, Gradle, GitHub Actions

## Publications

1. **"Multi-Layered Framework for LLM Hallucination Mitigation in High-Stakes Applications"** - Computers Journal, MDPI (August 2025)
   - Framework combining prompt engineering, RAG, and fine-tuning for LLM reliability
   - Link: https://www.mdpi.com/2073-431X/14/8/306

2. **"Design and Development of a Web Application for Matching Drug Addiction Treatment Services"** - Applied System Innovation, MDPI (November 2018)

## Experience

1. **Navan** - Staff Software Engineer (Sep 2025 - Present)
   - Leading the Platform team for Android application
   - Driving cross-cutting initiatives and architectural improvements

2. **Navan** - Senior Android Engineer (Aug 2022 - Sep 2025)
   - Built Navan Purchase Cards, Rewards Redemption, Custom Per-Diem tracking
   - Led merging of Liquid and TripActions into unified Navan app; Dagger to Hilt migration; networking layer with refresh token support

3. **Shell Recharge** - Android Engineer (May 2020 - Aug 2022)
   - Built white-label EV charging apps for global networks; geohash-based optimization for 50K+ stations offline
   - Developed CI/CD pipelines with Bitrise

4. **Earny Inc.** - Founding Android Engineer (Jun 2017 - May 2020)
   - Led Android development as founding engineer; scaled to 500K+ users
   - Subscription handling, bank integrations, one-tap login, CI/CD

5. **Startup & University (2014–2016)** - Co-founded Quiddle (job referrals, hackathon wins); founded V-Innovate (student innovation lab, mentored 15 of 100+ applicants)

## Notable Projects & Achievements

- **Aadhaar Hackathon Winner (Jan 2015)** - "Aadhaaritory" secure portable health record linked to Aadhaar; nationwide hackathon by Khosla Labs/NASSCOM (1,800 applicants). https://yourstory.com/2015/01/aadhaar-hackathon-winners
- **DrugHelp.Care (2018)** - Master's thesis (CSU): web platform connecting individuals to addiction treatment via geolocation and filters. https://engagedscholarship.csuohio.edu/etdarchive/1105/
- **Gurukula.one (2023–2025)** - AI-powered, cost-effective LMS for online teachers; 500+ monthly active users. https://gurukula.one
- **Navan Android migration (2024)** - Led Koin to Hilt migration (100K+ lines), merged Liquid and TripActions into single Navan app.
- **"Making the Navan App Development Process Smoother for Android"** - Navan tech blog (Dec 2024). https://medium.com/navan-tech/making-the-navan-app-development-process-smoother-for-android-4bb63aa5d69d
- **"How Navan Engineers Migrated a Large-Scale Mobile Database"** - Navan Tech Blog, co-authored with Serhii Tiurenko (Mar 2026). ObjectBox → Room and DataStore across 85 entities; architecture, migration phases, and safety nets. https://navan.com/blog/how-navan-engineers-migrated-a-large-scale-mobile-database-85-objectbox
- **"Autonomous End-to-End Test (AET) Composer"** - Vision piece on LLM-powered mobile test automation (Jan 2025). https://sachinh.medium.com/autonomous-end-to-end-test-aet-composer-a-vision-for-the-future-of-mobile-testing-with-llms-that-2bdc606ff0ec
- **Scaling Mobile Platforms: From Startup to Staff Engineer | The Iferia Techcast Ep 130** - Podcast (Dec 2025) with Ezekiel Iferia: journey to Staff Engineer at Navan, ObjectBox→Room, Koin→Hilt, four-phase migrations, 16KB page size. https://www.youtube.com/watch?v=mYqwYWIPb78

## Education

- Master of Business Administration (MBA) - Augment Business School
- Master of Science in Computer Software Engineering - Cleveland State University
- Bachelor of Technology in Computer Science - VIT University

## Certifications

- OpenAI API: Building Front-End Voice Apps with WebRTC (LinkedIn, Dec 2025)
- Agentic AI (DeepLearning.AI, Oct 2025)
- AWS Cloud Technical Essentials (AWS, Sep 2021)

## Awards & Recognition

- IEEE Senior Member (2025)
- Co-Chair, IEEE Foothill Young Professionals
- Ahuja Scholarship Award - Cleveland State University (2017)
- 24hr Aadhaar Hackathon - First Place (Khosla Labs, 2015)
- VIT's Special Achiever Award (2015)

## Contact

- Website: https://sachinh.com
- Email: hello@sachinhiriyanna.com
- LinkedIn: https://www.linkedin.com/in/hsachin/
- GitHub: https://github.com/saa-chin
- X: https://x.com/saa_ch_in

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Last updated: 2026-04-15