About Me

Experienced mobile, applications and backend software engineer with over ten years of specializing in Android, iOS, and Spring Boot/AWS. Proven track record of delivering impactful applications across agriculture, aerospace, telematics, and motorsports, with over 10,000,000 downloads and 10,000 years of runtime on applications I’ve built or contributed to.

Experience: 10+ years
Occupation: Staff Engineer
Location: Seattle, Washington

Technical Skills

Android Development

14 + years of Android application development with Java, Kotlin, C++, XML and Compose. Experience with custom hardware and AOSP.

Backend & Database

10+ years of backend Spring and Spring Boot experience. Proficient with Sqlite, Spatialite, Room, Postgres, PostGIS, Hibernate, MongoDB and Redis.

Cloud & DevOps

Proficient with AWS (EC2, Lambda, Flink, Glue, SageMaker, SQS) and Firebase (Auth, Crashlytics, Realtime, Analytics)

Frameworks & Architecture

Clean Architecture, MVVM, MVI, Modular Monolith, Serverless, Service Oriented and Mircoservices. Offline first data synchronization.

Fun Facts

11 Guitars

27 Million Vertical Feet

0 Cups of Coffee

20 Countries Visited

Resume

Experience

2021 - Present

Staff+ Software Engineer

Ptx Trimble

Leads Android application development for autonomous steering and control systems in agriculture
Refactored large Java-based applications to Kotlin-based modular architectures.
Converted XML-based navigation to Jetpack Navigation and Compose.
Designed hybrid push/pull data synchronization with Room, RESTful APIs, and MQTT.
Developed novel binary file-based time-series databases for high-scale event logging.

2017 - 2021

Staff Engineer

Trimble

Modernized hundreds of Android Activity-based views to MVVM-based architecture.
Improved rendering engine performance by refactoring to VBOs.
Increased app reliability, taking crash-free rates from 30% to over 99%.

2016 - 2017

Principal Mobile Engineer

Vorto.ai

Designed IoT-based breadcrumb tracking for off-road vehicles.
Automated billing and work order processing systems for supply chain efficiency.
Built CI/CD pipelines with FastLane and GitFlow for app store integration.

2015-2016

Shotover Systems

Lead Mobile Engineer

Developed Android/iOS apps for real-time augmented reality mapping and aerospace camera systems.
Integrated low-latency H264 video streaming using MQTT and codec APIs.

2011-Present

Tracqi Technology

Founder

Built motorsports apps (e.g., OBD diagnostic tools, lap timers) for Android/iOS with 10,000+ downloads.
Leveraged Bluetooth/WiFi for vehicle diagnostics and performance measurement.
Utilized AWS (EC2, S3, Lambda) for app infrastructure.

Education

Regis University

Denver, Colorado

Computer Science (BS), Summa Cum Laude

Regis University

Denver, Colorado

IT Administration (BS), Summa Cum Laude

Skills

Overall

Android Development
JVM Applications (Java/Kotlin)
Spring Framework
AWS

Languages

English
Java
Kotlin
C++

Checklist

Architecture

90%
System Design

90%
DSA

85%
Killing It

100%

Knowledge

Java, Kotlin, JNI, KMP
Android, MVVM, MVI, Compose, Unidirectional State Flow
Spring Framework, RESTful, GraphQL, RPC, MQTT, Sqlite, Spatialite, Postgres, PostGIS, DynamoDb, Redis, Realm, Mongo, S3, Minio, Room, Hibernate
AWS (EC2, Lambda, Flink, Glue, SageMaker, SQS), Firebase (Auth, Crashlytics, Realtime, Analytics)
Clean Architecture, MVVM, MVI, Modular Monolith, Distributed, Service Oriented and Mircoservices
Git, Github, Bitbucket, Bamboo, Fastlane, CircleCI, Fastlane, Gradle, Maven
Google Play Store, Apple App Store

Open Source

ME7Tuner

Applications

FSensor

Applications

Blog

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Get in Touch

Location: Seattle, Washington
Email: kaleb.kircher@gmail.com