Oleg Leonov

Over 13 years of experience in designing, developing, and implementing mobile applications for the Android platform.
A shortlist of areas in which I have developed and maintained applications: news, banks, e-commerce, smart devices, waste recycling, car rental, real estate, food delivery, cryptocurrencies, FMCG, hockey trainers, application constructors, etc.

- Over 13 years of experience in designing, developing, and implementing mobile applications for the Android platform
- Strong background in Java, Kotlin, and the Android SDK, including experience with Android Support, Google Play Services, and Android Architecture Components
- Proficient in Android Jetpack, RxJava, and Dagger
- Experience with SQLite and Room
- Strong leadership abilities and the ability to work effectively in a team environment
- Up-to-date on the latest trends and best practices in Android development
- Successfully led the development of multiple complex mobile projects
- Mentored junior developers on Java and the Android platform

A shortlist of areas in which I have developed and maintained applications: news, banks, e-commerce, smart devices, waste recycling, car rental, real estate, food delivery, cryptocurrencies, FMCG, hockey trainers, application constructors, etc.

There were more than a hundred Android projects. Most android apps were developed for business, I know the advantages and disadvantages, and different solutions, and my goal is to be useful.
A lot of experience in:
- Prototyping
- Bug fixing
- Bug tracking
Experience in languages and technologies:
- Java, RxJava
- Kotlin, Coroutines
- Objective-C (a little)
- Git
- Room
- Android SDK
- Retrofit
- Coroutines
- Google fit
- Firebase Crashlytics, Remote Config, Cloud Messaging

Interesting solutions
I proposed and developed an authentication mechanism in the Android application, which helped to save thousands of dollars a month.
My next application for a hang glider can send SOS before an accident and excludes random triggering.
Also, I developed an application for Smart Home - it controls a smart boiler via SMS.
One of my latest projects is a car service app with Machine Learning.

Bachelor of computer science