d
demadima

Dima N.

@demadima

Android developer with over 5 years of experience Kotlin and Java

Ukraine
English, Ukrainian, Russian
About me
Please contact and discuss your requirements of android app with me before placing the order. Welcome to my Android development gig! With 5+ years of expertise, I provide high-quality, custom Android app development services tailored to meet your specific needs. From intuitive UI/UX design to powerful functionality, I ensure your app delivers a standout experience in today's competitive market using modern development technologies.... Read more

Skills

d
demadima
Dima N.
Offline • 

See my services

Android App Development
I will develop android apps and fix bugs expert app development
From$100 / projectMore details

Portfolio

Work experience

Position: Senior Android Developer Kotlin

Medstartech • Full-time

Jul 2023 - May 2025 • 1 yr 10 mos

Responsibilities: development and support of sport equipment like: Treadmill, Bike, Roller, PilatesCamber and communication with clients. Development: layout design, icon design(Illustrator), logic of building projects, data transfer to motherboard. Technologys: Android SDK; Programming languages: Kotlin, Java, Flutter; Version control: Git(GitHub); Working with Firebase: Crashlytics; Realtime Database; Storage; Events; Project structure: MVP; MVVM; Bloc (Flutter); Working with: RXJava, Room DB; Speatch Recognizer; Pagination; JUnit; Patterns: Сoroutine, Singleton, Delegates; Designing custom RecyclerViews; Libs: MPAndroidChart (bar chart, pie chart, radar) Working with chips: Atmega328; STM32; Data transfer: USB; Com Port; Bluetooth; Frameworks: Jetpack Compose My ideas and improvements: 1) I created/designed whole project PilatesChamber for company MedStarTech; 2) I added remote board update via Android for all types chips; 3) I suggested switching from chips Atmega 328 to STM32 and found electronic specialist for programming chip STM32; 4) I brought order to the GitHub system for current projects and taught other programmers to write quality code; 5) I have been communicating with suppliers to further integrate their parts into the product; 6) I fixed a lot of bugs for current 3 projects: Treadmill, Bike, Roller.