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Vasil – Kotlin, Java, Android, experts in Lemon.io

Vasil

From Bulgaria (UTC+3)

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Mobile DeveloperSenior
11 years of commercial experience
Automotive
Consumer services
Entertainment
Healthtech
Logistics
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Vasil – Kotlin, Java, Android

Vasil is a Senior Mobile Engineer with a background in C++ from the automotive industry, now specializing in Kotlin, Jetpack Compose, and clean MVVM architecture. During vetting at Lemon.io, he demonstrated good communication skills, a deep understanding of project development at different scales, and proficiency in app architecture planning. While not formally in a leadership role, Vasil has held multiple senior positions and has successfully mentored junior engineers!

Main technologies
Kotlin
6 years
Java
5 years
Android
6 years
Additional skills
Jetpack Compose
C
MVVM
Unit testing
Coroutines
Android Studio
Android SDK
REST API
Android Jetpack
C++
Ready to start
ASAP
Direct hire
Potentially possible
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Experience Highlights

Senior Android Developer
Mar 2024 - Aug 20245 months
Project Overview

A creator of attraction parks across the US. The company's new app integrated a map from attractions.io and was themed for various parks.

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Responsibilities:
  • Was responsible for the theming for the different parks based on material design;
  • Provided the map integration;
  • Added analytics implementation via Firebase and Airship;
  • Implemented multiple features with server-driven content;
  • Improved build times and enabled gradle configuration cache after refactoring the convention plugins.
Project Tech stack:
Kotlin
Jetpack Compose
MVVM
Senior Android developer
Feb 2023 - Jul 20241 year 5 months
Project Overview

An OS app, a fitness and health tracker that includes metrics like step count, floors climbed, distance, calories burned, active minutes, sleep time and stages, and heart rate.

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Responsibilities:
  • Implemented the relax feature, the cardio load, and readiness features;
  • Wrote unit, integration tests;
  • Carried out the first integration test according to Google's testing philosophy;
  • Created various fakes for testing;
  • Worked on the body response feature;
  • Actively helped team members with Compose and Kotlin issues.
Project Tech stack:
Kotlin
Java
Jetpack Compose
Android Studio
Android SDK
Coroutines
MVVM
Android Developer
Jul 2022 - Feb 20237 months
Project Overview

The project involved a company's in-store fulfillment solution that is made to turn stores into Hyper-Productive Fulfillment Hubs. An Android device with a barcode scanner is aimed at guiding the store's employees throughout the picking and delivery process.

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Responsibilities:
  • Performed a dagger to hilt migration for the project, accounting for some custom solutions for testing and flavors;
  • Implemented unit and integration tests;
  • Improved the CI pipelines;
  • Redesigned some screens and converted them from XML to compose.
Project Tech stack:
Kotlin
Java
MVVM
Jetpack Compose
Senior Developer
Dec 2018 - Jul 20223 years 6 months
Project Overview

Contributed to multiple projects related to the automotive industry, including an in-vehicle messaging application.

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Responsibilities:
  • Implemented a greenfield project for tolling and fueling using Kotlin and Compose;
  • Set up the project's CI using Bitbucket;
  • Supported Weblink features and bugs;
  • Implemented a Wi-Fi infotainment application, integrating with C++ APIs via the JNI;
  • Implemented an in-vehicle messaging application that dealt with receiving messages from a server and providing driver-distraction functionality via a foreground service.
Project Tech stack:
Java
C++
Kotlin
Jetpack Compose
Bitbucket

Languages

English
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