Hey! My name is Daniil

I like solvingproblemsthat don't have obvious answers.

I am

Most of my work is figuring things out,designing systems, improving performance, and making sure everything works the way it should once it's live.

Contact me

About me

I'm Daniil Oliynyk, a software engineer with 3+ years of experience building impactful, production-grade software with a strong focus on performance and reliability.

I currently work at General Motors, where I contribute across the entire AOSP stack, build out SDKs and APIs, dev tooling, and the occasional full stack web application. I'm always exploring new technologies and open to new opportunities.

Career Journey

Work Experience

Roles, systems, and outcomes across platform engineering, education, and telecom software.

Software Engineer

General Motors

Markham, ON, Canada

2023 - Present

Core contributor on GM’s Android Infotainment Platform Connectivity team, responsible for building out Android services, SDKs and APIs in Java used across multiple products and device configurations.
Implemented OpenTelemetry framework into services, enabling deep visibility into system performance and stability.
Responsible for bring-up of the USB system service during Android pastry upgrade and next-generation infotainment hardware bring-up.
Migrated internal Android testing applications from legacy Java/XML to Jetpack Compose and Kotlin.
Deployed JUnit, Mockito/Powermock frameworks and integrated it into SonarQube, enabling continuous quality enforcement.
Increased unit test coverage from 0% to 90%, dramatically improving release confidence and regression detection.
Built a full-stack internal analytics platform (React, Flask, MongoDB) to visualize performance and regression test results and metrics at scale.
Triaged and resolved high severity production defects, improving platform stability and reducing recurring incidents.