I'm Kirill Savelev, a senior Android developer focused on building reliable, high-performance mobile applications. I specialize in Android and iOS apps, networking, VPN technologies, cybersecurity, and scalable mobile architectures. Over the years I’ve shipped VPNs, antivirus, encrypted cloud storage, and network filtering solutions, turning complex requirements into robust, maintainable code and delivering strong user experiences.…

Kirill Savelev

I'm Kirill Savelev, a senior Android developer focused on building reliable, high-performance mobile applications. I specialize in Android and iOS apps, networking, VPN technologies, cybersecurity, and scalable mobile architectures. Over the years I’ve shipped VPNs, antivirus, encrypted cloud storage, and network filtering solutions, turning complex requirements into robust, maintainable code and delivering strong user experiences.…

Available to hire

I’m Kirill Savelev, a senior Android developer focused on building reliable, high-performance mobile applications. I specialize in Android and iOS apps, networking, VPN technologies, cybersecurity, and scalable mobile architectures.

Over the years I’ve shipped VPNs, antivirus, encrypted cloud storage, and network filtering solutions, turning complex requirements into robust, maintainable code and delivering strong user experiences.

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Skills

Experience Level

Android
Expert
Kotlin
Expert
Java
Expert
Flutter
Expert
SQL
Expert
SQLite
Expert
Swift
Expert
Spring
Expert
Jira
Expert
Python
Expert

Language

English
Fluent
Russian
Fluent

Work Experience

Senior Mobile Developer at GrowEpic
January 1, 2024 - May 31, 2026
Developed VPN applications for Android and iOS using Kotlin and Swift with tun2socks and SingBox. Built antivirus, encrypted cloud storage, and network filtering features leveraging Kotlin, SingBox and local encryption.
Lead Android Application Developer at Humanteq
January 1, 2018 - January 1, 2022
Developed data-mining applications and backend/frontend for analytical service using Kotlin, Flutter and Python. Designed and implemented Android SDK for analytical platform integration using Java and Kotlin. Built web platform for employee analytics and management utilizing Flutter and Python.
Android Engineer at iFors
January 1, 2014 - January 1, 2018
Developed telemedical applications for private clinics using Java. Built backend for sport analytical service with Java and Spring.

Education

Master's degree in Computer Science at Lomonosov Moscow State University (MSU)
January 1, 2008 - January 1, 2014
Master’s degree in Computer Science at Lomonosov Moscow State University (MSU)
January 1, 2008 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services
    Shader toy application.


    Android application for testing shaders.
    Main Stack: Kotlin, Jetpack Compose, Camera2 api, AGSL/GLSL.

    Video1
    Video2
    Github

    Checkout demo.

    A demo of checkout module for online store.
    Main stack: Jetpack Compose, Kotlin, Google Maps SDK.

    Video

    Encrypted cloud storage client for Android


    A client for encrypted cloud storage. All files are encrypted on-device and transferred to cloud storage as encrypted blob.
    Stack: Jetpack Compose, Kotlin, Android biometrics service.

    GooglePlay
    Video

    iOS VPN


    VPN application for iOS with password leak monitor.
    Main stack: Swift, Network Extension.

    Video