Hire the best Android Developers in Cluj-Napoca, RO

Check out Android Developers in Cluj-Napoca, RO with the skills you need for your next job.
Clients rate Android developers
Rating is 4.9 out of 5.
4.9/5
based on 169 client reviews
  • $50 hourly
    ✅ Rising Talent ✅ Senior With 8+ years of experience, i have mastered many programs and solutions. I have the ability to complete a multitude of project types with a professional quality that exceeds your expectations. I am new on this platform, that's why i dont have many reviews, but i am a seasoned developer. I have an extended experience and knowledge in many areas of the well-rounded Unity engine, including Desktop Applications, Virtual Reality, Augmented Reality, Mixed Reality. IOS and Android Games. I have completed dozens of projects in my 9-5 corporate and freelancing time. I have extended knowledge in almost all of the popular platforms, including Oculus, Oculus Quest 2, Android, IOS, PC, Windows, Mac, Hololens2. I own an android device, iPhone 12 Pro Max(so I am ready for LiDAR projects), Oculus Rift and Oculus Quest 2, and a powerful PC, and a mid-range laptop to stress test your software. With that said, I am ready to take on any challenge! Check out my full portfolio: katrisoft.com/projects Clutch reviews clutch.co/profile/katrisoft#reviews Fiverr 14 of 5 star reviews: fiverr.com/robertkatrinecz?up_rollout=true If you would like a free call to discuss your projects, just message me! Thank you
    vsuc_fltilesrefresh_TrophyIcon Android
    AR Application
    iOS
    Unity
    ARCore
    Mobile App Development
    ARKit
    Vuforia
    C#
    Augmented Reality
    Oculus Rift
    Virtual Reality
  • $50 hourly
    I like building mobile applications (Android / IOS) that put the client’s needs in first place using Flutter and Firebase SDK. If you need additional suggestions and ideas for your application, I will gladly to offer them. Delivering quality and clean code is my main goal. I like what I do and I will be happy to make your project successful. We keep in touch !
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    Mobile App
    Google Cloud Platform
    Git
    iOS Development
    Mobile App Development
    Android App Development
    Map Integration
    Push Notifications
    API Integration
    iOS
    Dart
    Firebase
    Flutter
    Hybrid App Development
  • $49 hourly
    Professional proficiency (Tech Lead & Full-Stack Engineer) and technologies: • 📱 Android (Kotlin, Java); • 🔁 Cross Platform (React Native); • 🖥️ Back-End (Java & Kotlin Spring Boot, Python Flask); • 💻 Front-End (React class & functional, TypeScript, JavaScript, Tailwind CSS); • 🤖 Artificial Intelligence (Python); • 🎮 2D Games (C# in Unity). • OOP (Java Swing) | SQL & NoSQL Databases (MySQL, PostgreSQL, MongoDB, Firestore) | CI/CD (GitHub Actions, Jenkins, Firebase, Heroku) | Linux and POSIX (C) | Fundamental Algorithms and Data Structures (C) | Web Automation & Scraping (Selenium) | C++, Docker, Kubernetes, Hibernate, Kafka, ZooKeeper, Tomcat, Jetty, RabbitMQ, Swagger, Software Testing, Agile, and more.
    vsuc_fltilesrefresh_TrophyIcon Android
    Front-End Development
    Back-End Development
    Flask
    Selenium
    Spring Boot
    React Native
    C#
    TypeScript
    Mobile App Development
    Unity
    Java
    JavaScript
    Kotlin
    React
  • $120 hourly
    My Passion? Developing great iOS & Android Apps and Games. For 9 years I am an independent software developer for apps and games. Most of my work is outside of Upwork and comes from word of mouth, but I also found some great clients here. I am THE expert for crossplattform Apps (iOS&Android) using Googles Flutter SDK. 💯% Job Success over 15 projects and 9 years. Hire me if you need 💯%
    vsuc_fltilesrefresh_TrophyIcon Android
    Game Development
    Game Design
    iOS Development
    Android App Development
    Flutter
    iOS
    Smartphone
    Hybrid App Development
  • $35 hourly
    Previously I was working at Garmin International as an Senior Android Software Engineer. Currently I'm the owner and team leader of the company ExarLabs based in Cluj Napoca Romania. I'm experienced in Native Android development, Google Cloud Platform, Firebase, BLE, ANT+ and many more technologies. I particularly interested to work with new technologies and on challenging new solutions. Edication: - Master studies in Belgium, Vrij Universiteit Brussels on the Web and Information Systems department. - Bachelor studies in Cluj Napoca, Technical University of Cluj, Computer Science departament.
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    Google Cloud Platform
    Scrum
    Core Bluetooth
    Android App Development
    JUnit
    AngularJS
    Java
    Ionic Framework
    Firebase
  • $50 hourly
    With over 17 years of dedicated experience as a developer and more than 10 years specializing in Android development My passion and dedication for programming shine through in my extensive history of developing high-caliber Android applications. My commitment to continuous learning drives me to stay updated with the latest technologies, ensuring the delivery of exceptional software solutions. I thrive on actively participating in all stages of project development and prioritize effective communication and collaboration within teams. My expertise spans a wide range of technologies and tools, including Flow, Coroutines, JetPack, RxJava, Retrofit, REST, IPC, Content Providers, Services, Databases, Kotlin, Java, as well as proficiency in areas such as Antivirus, VPN filtering, VPN firewall, Healthcare, and Cybersecurity.
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    Android App Development
    Smartphone
  • $50 hourly
    With a strong foundation in computer science and over 5 years of professional experience, I am a Senior Flutter Developer specializing in crafting high-performing, intuitive cross-platform mobile applications. My passion for Flutter has been driven by its potential to deliver seamless user experiences across iOS, Android, and the web while maintaining optimal performance and responsiveness. I am skilled at developing with Dart, the core language of Flutter, and have a firm understanding of other key languages, including JavaScript, Java, Swift, and C#. I also possess a strong background in various web technologies and frameworks, which allows me to create full-stack solutions if required. An essential aspect of my work is the application of best practices for Flutter development, which includes effective state management, writing clean and maintainable code, and using proven design patterns. My meticulous testing practices ensure that the apps I build are reliable and bug-free. As a self-motivated problem solver, I am known for my ability to rapidly learn and adapt to new technologies and tools. I am also experienced in working with agile methodologies, and I am committed to continuous learning and growth within the Flutter ecosystem. In past projects, I have developed both consumer-facing and enterprise-level applications, with features ranging from advanced UI/UX design to robust backend integrations. I have experience with APIs, third-party libraries, databases, and various Flutter packages. I also have a track record of delivering projects on time and meeting clients' exact requirements. With my technical skill set, combined with excellent communication and collaborative abilities, I am confident in my capacity to add value to your project. Let's connect and discuss how I can help you in transforming your concept into a state-of-the-art mobile application using Flutter.
    vsuc_fltilesrefresh_TrophyIcon Android
    Dashboard
    RESTful API
    Web Application
    MySQL
    API Integration
    Flutter
    Firebase Cloud Firestore
    Dart
    Firebase
    Push Notifications
    iOS
    Mobile App Development
  • $65 hourly
    Mobile Architect and iOS Developer with a six sense for building and generating successful projects and awesome digital experiences. For the last 12 + years, I was involved in architecting products from concept to completion, deliver intuitive digital interactions and coaching individuals to success. I trust in "Sharing is caring" quote and always try to give back as much as I can for the community through maintaining multiple open source projects on Github (danielmandea) and advocating mobile and web technologies through Developer Meet-ups. During my career I've been involved in small size projects, medium size ones, and also lead projects that have more than 60 milion users on both platforms iOS & Android. Technologies: Clean Architecture • Mobile Architecture • iOS Development • Swift • SwiftUI • Combine • UIKit • iOS • watchOS • macOS • Vapor • Kitura • Objective-C • Cpp • Kotlin • Java • Node JS • Next JS • React • Rest APIs • Docker • Kubernetes • Jenkins • Fastlane • Github Actions • CI & CD • AWS • EKS • Google Cloud • Cloud Run
    vsuc_fltilesrefresh_TrophyIcon Android
    Next.js
    Architectural Design
    SwiftUI
    Architecture
    Node.js
    iOS Development
    Kotlin
    Swift
    iOS
    Mobile App Development
  • $45 hourly
    I'm a software developer with 20 years of professional experience specializing in game development, interactive applications, and web development. I've worn many hats in the software development industry – from an employee, consultant, and freelancer to eventually founding and managing two successful development studios. As a consultant and freelancer, I’ve collaborated with high-end software development companies, contributing to projects in the financial, governmental, and medical sectors, but also on research and end consumer-oriented projects. I'm passionate about taking on new challenges and leveraging my expertise to bring innovative projects to life.
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    Microsoft SQL Server
    SignalR
    ASP.NET
    .NET Core
    Web Development
    Mobile App Development
    Game Development
    Java
    Performance Optimization
    C#
    Game Prototype
    Unity
  • $30 hourly
    I'm a mobile developer with 8+ experience in developing mobile apps. In the past 3 years I worked on cross platform projects(MAUI and also using native cross platform development). The projects that I worked on are from different industries. I worked on a project for a client for about 1 year that the main focus of the app was to have a shopping list where you could add, delete products to the shopping list. My responsibility was as a developer to write clean code. To continue with the same industry, e-commerce, I worked for the same client but on a different app for about 3 years. This time the app was used by the stores so the store employees could pick up the products that were placed on the shopping list app that I mentioned before and deliver or just collect the products for pick up from store. My responsibility on this project was as a developer also to write clean code. Both apps, picking order app and the app with the shopping list were used by many retailers so we had in place a configurable and automatic mode to support that (different colors, logos etc.) The next project that I worked on, where I had leading responsibility for the technical team(leading responsibility and writing high quality code) , was an ad SDK. The focus of the SDK was display different types of ads within a mobile app(interstitial, mraid, banner ads, expandable ads etc.) The SDK was also using other third party sdks used in the same scope, integration with Google AdMob. The next project that I worked for about 1 year is part of the healthcare industry, also as a team leader of the mobile developers team(leading responsibility and writing high quality code) . This project I started it from scratch, a brand new application. The application was used to monitor patients within a facility, you could see different information about the patient (heart rate, number of steps, sleep etc.) The app is integrated basically with a smart band that provided this kind of information for the caregiver. We also had to integrate communication channels between caregivers and also between caregivers and patient's family members. For this part we used an existing SDK, Jitsi Meet SDK (open source solution) The last 3 years I worked for a client in the cross platform world, using C# and Native Android in order to have cross platform support but using Android SDK to develop the screens. I worked on multiple apps, I had as well leading responsibility and writing high quality code. The first application was an already built one, so I had to take over its functionality, and the purpose of this app is to assess cars, to add damages, take photos of incidents that are present on the car and submit the appraisal further in order to sell the car at an auction center. The second app, built from scratch in a rush, about 6 weeks, was created for a specific car brand but had the same scope, the assessment of cars. The app that I am currently working on, for about 6 months, is developed using .NET Maui and I was lucky enough that the project was a starting point when I joined the team. The app purpose is the same, assessment of different cars but having improved user flow and user experience. Knows Android, MAUI, .NET, Java, C# Transparency is important to me and also good communication.
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    Unit Testing
    Continuous Integration
    Azure DevOps
    Jira
    Android SDK
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