Tommy Zinnatullin
Founder & CEO at Launching in Fall 2025.
Colorado Springs, Colorado, United States
Summary
🤩
Rockstar🎓
Top SchoolTommy Zinnatullin is a founder and Staff Software Engineer with 13 years of experience building developer tooling, CI/CD, and build systems for large JVM and Android codebases. He specializes in build automation (Bazel, Gradle, Buck), Kubernetes-driven CI, and reactive system design, and has driven migrations and performance improvements at scale—e.g., shrinking PR feedback from 40 to 5 minutes at Lyft. An active open-source maintainer and contributor, Tommy has notable work on RxJava, OkHttp, and Mainframer and has authored major rewrites of CI/Kubernetes integrations used in production at companies like Lyft. He combines hands-on backend and mobile engineering with DevOps and infra on-calls, and frequently lands core fixes in build systems and libraries. Comfortable with Kotlin/Java plus Go and Rust, he also brings a tester’s mindset, contributing extensive automation and data-driven test improvements. Based in Colorado Springs, he’s launching a new venture in 2025 that continues his focus on developer productivity and scalable infrastructure.
13 years of coding experience
12 years of employment as a software developer
Bachelor's Degree in Software Engineering Software Engineering, Bachelor's Degree in Software Engineering Software Engineering at University ITMO - National Research University of Information Technologies, Mechanics and Optics
Russian, English
Stackoverflow
4,367reputation
809kreached
103answers
32questions
visibility
top-5%
android
top-5%
Github Skills (56)
kotlin10
dagger10
buck10
github-ci10
docker10
android-gradle-plugin10
sqlite10
flow-control10
javadoc10
scripting10
rxjavafx10
testing10
work-flow10
build-system10
dockers10
Programming languages (23)
Github contributions (5)
pushtorefresh/storio
Aug 2014 - Dec 2017
Reactive API for SQLiteDatabase and ContentResolver.
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:17 releases, 580 commits, 456 PRs in 3 years 4 months
Contributions summary:Tommy's commits focused on implementing and testing new features and functionality for a reactive API interacting with SQLiteDatabase and ContentResolver. They added tests for various operations, including getting data as a list, inserting data, updating existing data, and performing queries. The user demonstrated proficiency in writing and debugging test cases as evidenced by their commits.
apisqlitesqlitedatabasereactivecontentresolver
buildfoundation/mainframer
Dec 2016 - Sep 2022
Tool for remote builds. Sync project to remote machine, execute command, sync back.
Role in this project:DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:6 releases, 3 reviews, 99 commits in 5 years 10 months
Contributions summary:Tommy primarily focused on automating the build and deployment process for the `mainframer` project. They implemented and configured a CI/CD pipeline using GitHub Actions and Docker, enabling automated builds, testing, and release deployments. Their work included setting up environment variables, installing dependencies, and ensuring code formatting and linting. Furthermore, they added the capability to build release artifacts and deploy to GitHub Releases, automating the entire release workflow.
remote-buildrsyncsyncrustsync-files
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