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

Horia

From Romania (GMT+3)

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Mobile DeveloperSenior
Hire developer
7 years of commercial experience
Healthcare
Human resources
Logistics
Smart home
Telecommunications
Broadcasting software
HRMS
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Horia – Kotlin, Java, Android

Horia likes to code and hates the jokes about Dracula; probably, he heard all of them. Horia has 6+ years of experience as an Android developer for different apps, including lifestyle, medical and postal services. Incredibly pleasant and attentive guy, he can work both as a team player or highly skilled individual. He has perfect English skills and wouldn't be happy with night shifts. If you want to crack a joke about the connection between night shifts and the Dracula theme, see the first sentence.

Main technologies
Kotlin
6 years
Java
6 years
Android
6 years
Firebase
4 years
Additional skills
MVVM
MVC
RxJava
Dagger
GraphQL
MVP
Coroutines
Android Studio
Retrofit
Kasspresso
Espresso
Android SDK
Unit testing
REST API
Jetpack Compose
Ready to start
Asap
Direct hire
Potentially possible

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Experience Highlights

Android Team Lead
Feb 2021 - Ongoing3 years 7 months
Project Overview

Led the development of a comprehensive medical application designed to help doctors manage patient records, track medical history, and capture and store patient photos efficiently. The app focused on delivering a streamlined user experience while ensuring high performance and reliability, particularly in handling large datasets and media files. This project required a deep understanding of Android architecture and tools, along with the ability to balance innovation with rigorous testing and performance optimization.

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Responsibilities:
  • Led the successful development and launch of a robust medical app for doctors, improving patient management workflows.
  • Implemented Jetpack Compose for modern UI development, enhancing the user interface with reactive and declarative design principles.
  • Enhanced performance with Kotlin Coroutines for asynchronous tasks, resulting in a fluid and responsive user experience.
  • Streamlined development processes by applying modularization and optimizing the codebase with MVVM architecture and Hilt for dependency injection.
  • Integrated Retrofit and GraphQL for efficient network communications, ensuring fast data retrieval and synchronization.
  • Employed Jetpack Navigation to manage app navigation and ensure a smooth user journey across multiple screens.
  • Leveraged Dagger 2 with Hilt for dependency injection, streamlining the app's architecture and improving testability.
  • Applied modularization to divide the codebase into independent, reusable modules, boosting development speed and reducing complexity.
  • Implemented thorough unit and UI testing to ensure high code quality, using tools such as Mock,Mockito and Espresso.
Project Tech stack:
Kotilin
Android Studio
Retrofit
OkHttp
Coroutines
UseCases
Kasspresso
Dagger
Navigation Graph
Fresco
DraweeView
Firebase
Espresso
Apollo Client
Unit testing
REST API
Jetpack Compose
Android Developer
Dec 2020 - Mar 20213 months
Project Overview

The app was created for the postal service for 3 different countries.The delivery driver has the ability to pickup or deliver packages.The app had navigation with route planning and stop markers.The app was integrated with a barcode scanner for the packages.

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Responsibilities:
  • Navigation and Route Planning: Was responsible for implementing the app's navigation system, including route planning and stop markers. This ensured efficient package deliveries for our drivers.
  • Barcode Integration: Successfully integrated a barcode scanner into the app, which significantly improved package tracking accuracy and efficiency.
  • User Experience: Focused on creating an intuitive and user-friendly interface, enhancing the overall user experience for our delivery drivers.
  • Reliability: Consistently delivered high-quality code, ensuring the app's stability and reliability in a demanding delivery environment.
Project Tech stack:
Android
Kotlin
Java
Retrofit
RxJava
Glide
OkHttp
Google Maps API
Android Developer
Feb 2020 - Sep 20207 months
Project Overview

App created for employees of a certain company to manage multiple elements of their work life. The app allows you to check your personal schedule, request time off, check your time punches, etc.

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Responsibilities:
  • User-Focused Design: Prioritized creating a user-friendly interface that enhanced the overall experience for employees. This included intuitive navigation and user-centric features.
  • Schedule Management: Implemented robust schedule management features, allowing employees to easily check their personal schedules, request time off, and manage their work commitments efficiently.
  • Time Tracking: Was responsible for integrating time punch functionality into the app, ensuring accurate and reliable time tracking for employees.
  • Reliability and Performance: Consistently delivered high-quality code, ensuring the app's reliability and top-notch performance, which was crucial for employee productivity and satisfaction.
  • Cross-Functional Collaboration: Collaborated effectively with cross-functional teams to align app features with the needs and expectations of the employees.
Project Tech stack:
Kotlin
Android Studio
Android SDK
Firebase Crashlytics
Google Analytics
RxJava
OkHttp
Retrofit
Glide
RoomDatabase
Android Developer
Sep 2018 - Aug 201911 months
Project Overview

This is an IPTV solution for a large population of an easter-europeean country. It runs on TV boxes that use an Android chip. The solution provides live TV , VODs and other implementations useful for a household: marketplace, smart-home implementation, etc.

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Responsibilities:
  • Seamless Streaming Experience: Ensured that the app offered a smooth and high-quality live TV and Video-on-Demand (VOD) streaming experience on Android TV boxes, enriching the home entertainment experience for users.
  • Diverse Feature Set: Contributed to the development of additional features, such as a marketplace and smart-home integration, expanding the app's utility beyond traditional TV content and transforming it into a multifunctional household tool.
  • User Engagement: Focused on enhancing user engagement through user-friendly interfaces, personalized recommendations, and interactive features, which increased user satisfaction and retention.
  • Scalability: Played a role in designing the app to be scalable to accommodate a large user base, ensuring its performance and reliability as it served a significant portion of the Eastern European population.
  • Cross-Device Compatibility: Worked to ensure the app was compatible with various Android TV boxes, catering to a wide range of user devices.
Project Tech stack:
Android
Kotlin
Java
RxJava
OkHttp
Retrofit
JWPlayer

Education

2019
Computer Science and Electrical Engineering
Bachelor's

Languages

English
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