Hire the best Kotlin Developers in Buenos Aires, AR

Check out Kotlin Developers in Buenos Aires, AR with the skills you need for your next job.
  • $23 hourly
    Hi. I'm a developer with vast experience in C#, C++ and JS, HTML, CSS. Also I have experience with Python, Kotlin, Java and React.js. I did some Android Apps and web Apps to. I'm constantly deepening my knowledge of the latest technologies. Currently studying computer science at UBA. (Universidad de Buenos Aires). As a computer science student, I love exploring the intersection of technology and creativity.
    Featured Skill Kotlin
    Mechatronics
    Electronic Circuit Design
    Computer Science
    Algorithm Development
    Python
    C#
    C++
    Java
    Android Studio
    Android
  • $50 hourly
    Need a top-tier Android app for your startup? Look no further! As an expert native Android developer, I create scalable, high-performing apps that exceed expectations. Let's turn your vision into reality and propel your startup to new heights. Your main focus should be on nurturing your core business rather than getting lost in the complexities of app development. That's where I come in! With over 5 years of coding experience under my belt, I'm here to lighten your load and deliver a high-quality app solution. From my time working with industry giants like Salesforce and MercadoLibre to collaborating with startups as a Freelancer, I bring a wealth of expertise to the table. So while I handle the technical nitty-gritty, you can concentrate on what you do best – driving your business's growth and success. Together, we'll create an app that seamlessly aligns with your vision, empowering your startup to thrive in the competitive market. Clear communication is key. Let's solve your business problem together. Our collaboration will be honest, transparent, and focused. Reach out to me today and let's turn your ideas into a remarkable reality. Technologies I'm an expert in: • Android Development • Kotlin • Jetpack Compose • XML • MVVM / MVI • Clean Architecture • Coroutines + Flows • Retrofit • Room • Dependency Injection - Dagger-Hilt/Koin • Offline-first Apps • WorkManager • JUnit + Unit Testing + UI Testing + E2E Testing
    Featured Skill Kotlin
    Material Design
    JetPack
    XML
    Git
    Android App
    Android Room Persistence
    Google Play
    Room
    Mobile App Development
    Retrofit
    Android Studio
    Android App Development
    Android
    Firebase
  • $60 hourly
    Java Developer with more than 10 years of programming experience. Worked on project of all sizes, from a centralized client server application to manage the Argentinian national budget to a small education project for a start up in USA using microservices.
    Featured Skill Kotlin
    Linux System Administration
    Continuous Integration
    Apache Kafka
    Redis
    Amazon DynamoDB
    PostgreSQL
    Dropwizard
    Spring Framework
    Git
    Microservice
    Java
  • $43 hourly
    Software Engineer combining fintech experience, technical knowledge, and a general business view to develop mobile-first solutions. I am a fast learner and a team player who likes to work on challenging, fast-paced projects in start-up environments. I like to participate in every aspect of a project, from designing and problem solving to delivering quality crafted products. I love working with mobile technologies because they make people’s lives better. I apply coaching and leadership techniques whenever I can to help get the best out of the teams I am working with. I am a regular reader, sports enthusiast, and amateur designer. My goal is to develop and work with highly effective teams.
    Featured Skill Kotlin
    Atlassian Confluence
    Test Automation
    React Native
    UX & UI
    Mobile App
    Cross Functional Team Leadership
    Jira
    Python
    React
    Java
    GraphQL
    PostgreSQL
    NestJS
    Node.js
  • $75 hourly
    Experienced in the software development cycle, the languages used over time were: Java (Android and Backend Environment), Kotlin (Android and Backend Environment), JavaScript, Typescript, C / C ++, Shell script, Lua, and Elixir. Skilled fan of AEM Platform, Node (Backend) lover, and Spring Boot fighter. Eager to push user-oriented development, designing, and architecting to that purpose. He is an agile first guy based on business requirements; an exceptional problem-solving, quick learner, and documentation capabilities.
    Featured Skill Kotlin
    Push Notifications
    Spring Boot
    JavaScript
    Microservice
    TypeScript
    Java
    SQL
    Docker
  • $30 hourly
    Gaston is an expert iOS developer, with 15 years of experience, including time working on Android with 4 years of experience on this platform. He’s also quite knowledgeable with Objective-C as well as Swift and Java as well as Kotlin. He’s learning about hybrid technologies like React Native and Flutter. He is a tireless developer who enjoys challenges and investigating new technologies. Gaston is up to date about mobile development, so he has experience working with Combine, SwiftUI and SwiftData, Apple’s latest iOS development frameworks, as well as Jetpack Compose for Android. Among Gaston’s wide array of expertise, he also knows about architectures such as MVC, MVP , MVVM, and Viper. He’s a huge advocate of SOLID principles and GRASP patterns. He’s made integrations of Javascript with Swift, Flutter with iOS and React Native with iOS and Android. He's a person who really likes to contribute to the community and give solutions to other developers, for this reason, Gaston is a top 15% on stackoverflow.com. He is a curious, funny, talkative and ongoing person who is generally in good spirits.
    Featured Skill Kotlin
    Dart
    Flutter
    React Native
    JavaScript
    Java
    Android
    Git
    iPhone UI Design
    GitLab
    iPad App Development
    GitHub
    iOS SDK
    iOS Development
    iOS
  • $20 hourly
    Experienced Unity Game Developer with a demonstrated history of working in the gaming and software engineering industries. Proficient in C#, C++, and other programming languages with a strong foundation in TDD, DDD, and Clean Code principles. Skilled in both frontend and backend development, project coordination, and team management. Passionate about developing engaging mobile and PC games. I made more than 20 games and you can see my best on my portfolio
    Featured Skill Kotlin
    Database
    C++
    Unreal Engine
    AWS Cloud9
    Game UI/UX Design
    Mobile Game
    Teaching
    Testing
    Reactive Programming
    Java
    Git
    Test Development
    Unity
    C#
  • $20 hourly
    I am a passionate Android developer specializing in Kotlin, with experience in building high-performance mobile applications. I have a strong background in MVVM architecture, Jetpack Compose, SQLite, and secure data storage. My expertise includes integrating payment systems, QR-based transactions, and creating custom UI components. I am always eager to learn new technologies and optimize app performance to deliver the best user experience.
    Featured Skill Kotlin
    CSS
    HTML
    Mobile App Development
    Mobile App
    Android App Development
    App Development
  • $30 hourly
    👋 Hi! I’m a software developer with 6+ years of experience building web applications and backend systems for industries like banking, healthcare, e-commerce, and travel. I specialize in creating scalable, reliable backend solutions using Java/Kotlin (Spring Boot) and Node.js (JavaScript/TypeScript), and I also have solid experience with React.js for frontend work. ✅ I can help you: • Build and maintain APIs and backend systems • Develop full-stack web apps from scratch • Improve or refactor existing codebases • Solve technical problems with clean, high-quality code 💼 I’ve worked with teams of all sizes and know how to adapt to the needs of each project. I take pride in delivering high-quality results, on time. 🔁 Communication is key — I’ll make sure you’re always up to date with progress. Let’s build something great together!
    Featured Skill Kotlin
    React
    PostgreSQL
    MySQL
    RabbitMQ
    Docker
    libGDX
    Spring Boot
    Node.js
    JavaScript
    Java
  • $40 hourly
    Hi there! My name is Juan Ignacio Goñe. I am a web and mobile developer passionate about creating efficient, scalable and user-friendly applications. I specialize in modern frameworks and languages, including the MERN stack (MongoDB, Express.js, React, Node.js), PHP with Laravel, Python with Django, and mobile development using Flutter and Java/Kotlin. Whether you need a sleek website, a robust backend system, or a cross-platform mobile app, I’m here to help bring your ideas to life. Let’s build something amazing together!
    Featured Skill Kotlin
    Adobe ColdFusion
    Angular
    Next.js
    API Integration
    Django
    Python
    TypeScript
    Vue.js
    Java
    Flutter
    Laravel
    PHP
    MERN Stack
  • $25 hourly
    Hey!!! If you are looking for a software developer or someone who dives into details of your project and who can recommend various solutions based on large experience in Business Applications development you are at the right place. Front end technologies: React.js/Redux, Angular.js, Vue.js, ES6, Javascript, HTML5, CSS3. Back end technologies: Node.js, Golang, Ruby on Rails, Laravel, Coldfusion, Django, Python. Database : MongoDB, Postgresql, MySql, Mssql, Nosql Hosting: AWS, Google Cloud, Heroku, Digital Ocean, Azure Other: Celery, Jenkins, CI/CD I'm a Self motivated person who seeks to learn and develop his skills and experience. My professional skills, combined with communicational, organizational and leadership skills I possess, will be a fit for any job in working with any client and will make any project successful. I would love to work with you so feel free to contact me from anywhere anytime! Best regards, Alvarez Fernandez.
    Featured Skill Kotlin
    Kubernetes
    Bootstrap
    Laravel
    C++
    Java
    JavaScript
    PHP
    Swift
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a Kotlin Developer near Buenos Aires, on Upwork?

You can hire a Kotlin Developer near Buenos Aires, on Upwork in four simple steps:

  • Create a job post tailored to your Kotlin Developer project scope. We’ll walk you through the process step by step.
  • Browse top Kotlin Developer talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Kotlin Developer profiles and interview.
  • Hire the right Kotlin Developer for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Kotlin Developer?

Rates charged by Kotlin Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Kotlin Developer near Buenos Aires, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Kotlin Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Kotlin Developer team you need to succeed.

Can I hire a Kotlin Developer near Buenos Aires, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Kotlin Developer proposals within 24 hours of posting a job description.