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Android Developer with 10 years of experience building native Android applications across consumer electronics, client-side content management, and payments. I’m passionate about engineering robust, performant, and reliable software that leverages the modern computing ecosystem. I enjoy tackling complex technical challenges—from improving automated testing speed and app performance to integrating critical payment and compliance updates. I also like building internal tools that reduce friction and help teams deliver faster with higher confidence.…Android Developer with 10 years of experience building native Android applications across consumer electronics, client-side content management, and payments. I’m passionate about engineering robust, performant, and reliable software that leverages the modern computing ecosystem. I enjoy tackling complex technical challenges—from improving automated testing speed and app performance to integrating critical payment and compliance updates. I also like building internal tools that reduce friction and help teams deliver faster with higher confidence.

Konnor Timmons

App Developer, Software Engineer, Programmer, +1

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Android Developer with 10 years of experience building native Android applications across consumer electronics, client-side content management, and payments. I’m passionate about engineering robust, performant, and reliable software that leverages the modern computing ecosystem. I enjoy tackling complex technical challenges—from improving automated testing speed and app performance to integrating critical payment and compliance updates. I also like building internal tools that reduce friction and help teams deliver faster with higher confidence.…Android Developer with 10 years of experience building native Android applications across consumer electronics, client-side content management, and payments. I’m passionate about engineering robust, performant, and reliable software that leverages the modern computing ecosystem. I enjoy tackling complex technical challenges—from improving automated testing speed and app performance to integrating critical payment and compliance updates. I also like building internal tools that reduce friction and help teams deliver faster with higher confidence.

Available to hire

Android Developer with 10 years of experience building native Android applications across consumer electronics, client-side content management, and payments. I’m passionate about engineering robust, performant, and reliable software that leverages the modern computing ecosystem.

I enjoy tackling complex technical challenges—from improving automated testing speed and app performance to integrating critical payment and compliance updates. I also like building internal tools that reduce friction and help teams deliver faster with higher confidence.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Advanced

Work Experience

Product Engineer at North American Bancard

July 1, 2022 - Present

Delivered high-impact mobile features to support merchant growth and retention, improving automated testing speed and reliability, optimizing app performance and developer workflows, and driving team process enhancements. Engineered a 25x faster uiautomator replacement for view hierarchy dumps, leading to faster QA device test cycles. Implemented merchant loyalty rewards and multi-merchant sharing features. Owned implementation and compliance validation of Mastercard tipping changes in payment flows. Modernized UI test suite with Espresso and reduced Robolectric dependencies for improved reliability. Built custom CLI/GUI tools to connect Jenkins, CodeCommit, Jira, and Slack, reducing daily friction and accelerating build/PR reviews/tests. Championed team improvements through proactive collaboration, regular meetings, and an accountability system.

Android Engineer at SEVEN Networks

January 1, 2021 - July 1, 2022

Built sophisticated ad-blocking functionality within a VirtualApp-powered virtualization framework using app reverse engineering and runtime hooking. Developed advanced ad-blocking by reverse-engineering target apps, identifying ad-serving mechanisms, and intercepting ad network calls to provide seamless ad-free experiences. Extended virtualization compatibility by analyzing and replicating missing Android framework services to prevent crashes and enable reliable third-party app execution in isolated processes. Modernized parts of the codebase by converting select Java components to Kotlin. Authored and maintained comprehensive JUnit 5 test suites. Managed Google Play Store release cycles. Designed and implemented an in-house crash reporting library with GitHub-based deployment pipelines.

Android Mobile App Developer at ST ARCO

January 1, 2019 - December 1, 2020

Lead Android developer for the STARcase protective smartphone case and helped design the next evolution into a fully operating phone-in-case device. Re-implemented an iOS companion app as a native Android application and built the driver interface for a USB-connected battery/LED case. Collaborated with embedded engineering to design a custom USB communication protocol enabling app control of charging and real-time manipulation of an LED back grid using MongoDB-hosted serialized lighting data, optimized for frame-by-frame animation and large packet transmission. Built in-app store features for purchasing additional light shows, fonts, and LED icons. Led proof-of-concept for next-generation STARcase with multi-protocol communication (Bluetooth, Wi-Fi, USB) and interactive demos such as messaging/note sharing and touch transfer. Later supported eCommerce development for the STARcase ecosystem using Node.js/React/TypeScript and modern web tooling. Owned end-to-end Android development lifec

Software Engineer at SEVEN Networks

November 1, 2016 - December 1, 2018

Tested and wrote utilities to aid in testing an AdClear ad-blocking application that blocks ads via an on-device VPN. Built an Android Java app to capture network traffic using tcpdump to support debugging. Wrote unit tests in Google Cloud to verify data integrity across different format conversions. Improved efficiency of routine QA tasks using Python.