Tech Lead
& Developer

My career

Experience

1. TEKSystems · Fifth Third Bank

   Mar 2026 - Present

   AI Engineer / Senior Android Developer

   • Leading development of the Commercial Business Application; owner of the Check Deposit and Payments flows.
   • Created harnesses, skills and rules to automate development of new Check Deposit and Payments features.
   • Designed check capture and deposit with the MiSnap library, meeting ADA / WCAG 2.1 AA with TalkBack, audio and haptic cues, and dynamic font scaling.

   Tech: Jetpack Compose, Android SDK, MVVM, Dagger Hilt, Retrofit, Coroutines, Flows, MiSnap, GitHub Copilot, Ollama

2. Insight Global · American Express

   Aug 2024 - Jan 2026

   Senior Android Developer / Tech Lead / Platform Engineer

   • Led the architectural strategy to migrate the legacy Airbnb Epoxy UI framework to Jetpack Compose, adopted by multiple cross-functional teams.
   • Architected and built the AmexDS Design System (AmxDS) in Kotlin and Jetpack Compose, with accessibility built into every component.
   • Revamped the 'Pay Your Card' experience and improved performance by consolidating redundant API calls.

   Tech: Jetpack Compose, MVVM, Dagger 2, Retrofit, GraphQL, Coroutines, Flows, RxJava

3. Ibotta

   May 2023 - Aug 2024

   Senior Android Developer / Tech Lead / Platform Engineer

   • Built the Digital Parking Lot (DPL) feature to surface post-purchase cash-back offers.
   • Engineered an anti-stacking and fraud prevention feature that boosted D2C earnings by approximately 25%.
   • Developed Spring Boot / JPA REST APIs and contributed to decomposing monolithic endpoints using Coroutines and Flows.

   Tech: Jetpack Compose, MVVM / MVI, Dagger 2, Retrofit, GraphQL, Arrow, Spring Boot, JPA

4. Photon Infotech · Citi

   Jan 2021 - May 2023

   Tech Lead / Senior Android Developer

   • Built the 'News & Insights' financial education feature and its self-assessment module.
   • Engineered the 'Make a Trade' module supporting Market, Limit, Stop, Stop-Limit, Fill-or-Kill and All-or-None orders.
   • Developed Spring Boot REST APIs for securities, ETFs and Mutual Funds; mentored and onboarded new team members.

   Tech: Android Jetpack, Navigation, LiveData, MVVM / MVI, Dagger 2, Retrofit, Coroutines, Spring Boot

5. Photon Infotech · JP Morgan Chase

   May 2019 - Dec 2020

   Android Developer / Software Engineer

   • Created the Manhattan Design System (MDS), a native Android component library adopted by the entire JPMC mobile division.
   • Built accessibility into every component: TalkBack descriptions, WCAG 2.1 AA contrast, dynamic text and compliant touch targets.

   Tech: Java, Kotlin, Android SDK

6. Atos Syntel · Kroger Technologies

   Mar 2019 - May 2019

   Android Developer

   • Developed a Product Locator app for warehouse associates; defined release and branching strategy and applied TDD.

7. Photon Infotech · Alliance Data Card Services

   Feb 2017 - Feb 2019

   Tech Lead / Android Developer

   • Delivered co-branded VISA and Mastercard credit card solutions for 15+ brands, including Victoria's Secret, LOFT and Express.
   • Led a team of 3 Android and 3 iOS developers; added coverage gates with Jacoco and Slather on a Jenkins pipeline.

   Tech: Android Jetpack, MVVM / MVI, Dagger, Room, Coroutines

8. Earlier career

   Apr 2009 - Jul 2016

   Service Delivery Manager / Software Architect / Tech Lead

   • Altriatec (Coca-Cola FEMSA), CITEC / IAMSA Group, NEORIS (Dr Pepper Snapple Group), Accenture (Telefónica Movistar) and Secretaría de Hacienda y Crédito Público (Mexico).
   • Led a 50+ person nearshore support team, managed a $1.2M USD annual budget and led a legacy-to-C# migration of a national ticket sales system.

   Tech: SAP, Java EE, Spring, Hibernate, C#

My work

Projects

Local Photo Search

Python · Open source

Search your photos with natural language, 100% locally, using EmbeddingGemma 2 and SQLite (sqlite-vec).

Daily English Agent

Kotlin · Open source

AI agent (Spring Boot + Ktor + Ollama llama3.2) that posts a new English vocabulary word to Discord every day, backed by PostgreSQL and Docker.