Ilya Gulya

Experienced Staff Software Engineer and active open source contributor focused on building high-quality software in a timely manner

Almaty, Kazakhstan

About

Staff Software Engineer with 10+ years in e-commerce, ride-hailing, and food delivery. I take a measurable, results-driven approach — leading mobile architecture overhauls, scaling developer productivity, and delivering revenue-enabling features at Yandex, inDrive. Proficient in AI-assisted development.

Work Experience

inDrive

September 2024 - Present

Developer Productivity Engineer

Release train automation, release support, mobile CI/CD maintenance, developer experience

Tech Stack: GitHub Actions, Gradle, Kubernetes, Helm, Docker, Grafana, Prometheus, AWS

Migrated CI from bare-metal runners to Kubernetes: queue reduction from ~50 min to stable ~2 min
Average job duration went from ~40 min to ~18 min via dedicated autoscaled runners and remote cache
Cut end-to-end time-to-feedback per change from up to ~110 min to ~20 min
Introduced CI/CD observability toolkit — Grafana dashboards & alerts greatly improving transparency
Employee CI Satisfaction Index went from 3.9 to 4.12; CI perf: 3.57 → 4.04; CI devEx: 3.89 → 4.13

QSale.io

November 2021 - August 2024

Staff Software Engineer → Engineering Manager, Mobile

Led Android & iOS teams delivering customer and employee apps and the core e-commerce platform for Russia’s largest jewellery retailer.

Tech Stack: RxJava, Coroutines, Arrow.kt, MVIKotlin, Decompose, Jetpack Compose, Dagger 2 + Anvil, Gitlab

Reduced Android build times by up to 70% via CI and Gradle overhaul
Streamlined localization by integrating with a continuous localization provider
Implemented runtime payment-provider switching, eliminating app releases for provider changes and accelerating rollouts
Delivered configurable white-label apps with zero code changes per client (config-only spin-ups)
Introduced NFC Tap-to-Phone, enabling in-store card acceptance on regular Android devices

Yandex

March 2019 - November 2021

Staff Software Engineer

Owned Android technical direction for Yandex.Eats Android application, CI/CD performance, and high-impact features that accelerated delivery and drove revenue.

Tech Stack: Kotlin, RxJava, Coroutines, Moxy, Dagger 2, MVP, MVI, Multi-module project, TeamCity, BitBucket

Proposed and led server-driven UI implementation, greatly reducing content-related dev tasks; enabled a new revenue stream (ad placement) and shortened content managers’ feedback loop
Delivered a major navigation overhaul, eliminating a large portion of tech debt and unlocking the team for meaningful improvements
Cut Android CI build times by ~50% through pipeline redesign
Integrated company-wide Yandex SSO, enabling Yandex.Plus loyalty integration

i20.biz

May 2015 - March 2019

Android Developer → Engineering Manager, Mobile

Tech Stack: Android, Kotlin, RxJava, SQLite, Realm, Dagger 2, Cicerone, Moxy, MVP/MVVM, React Native, mobx0

Education

Siberian state university of telecommunications and informatics

2012 - 2016

Bachelor of Infocommunication technologies

Skills

Android/KMP

KMP

Compose

Decompose

Coroutines/RxJava

MVI/MVVM

Multi-module

Dagger/Anvil

DevOps/CI

GitHub Actions

Kubernetes

Helm

ArgoCD

AWS

GitLab CI

TeamCity

Cross-platform

Compose Multiplatform

React Native

Flutter

AI/ML

Claude API

OpenAI API

LangChain

AI-assisted development

Code generation

Prompt engineering