Hire the best JSON Developers in Istanbul, TR

Check out JSON Developers in Istanbul, TR with the skills you need for your next job.
Clients rate JSON developers
Rating is 4.8 out of 5.
4.8/5
based on 101 client reviews
  • $42 hourly
    Are you searching for a talented motion designer to bring life to your graphics with the perfect format? Look no further! As a 2D motion designer and expert in Lottie animations, I have completed over 200 projects with a high success rate, as evidenced by the positive reviews on my Upwork profile. Lottie, a JSON-based animation format, is ideal for use on any platform. These small files offer seamless performance on any device and are easily scalable without sacrificing quality. In addition to Lottie/JSON and Bodymovin, I specialize in creating custom and unique animations, such as: ✔️ Logo animations ✔️ Loader animations ✔️ Splash screen animations ✔️ Intro/Outro animations ✔️ Illustration animations ✔️ Onboarding screen animation Plus, I also provide optimized Lottie files, reducing file size by up to 30%. Feel free to contact me for a chat and live feedback on your project. Let's bring your vision to life with engaging animations.
    Featured Skill JSON
    Video Intro & Outro
    UI Animation
    Logo Animation
    Flat Animation
    Adobe After Effects
    Animated GIF
    Motion Design
    Motion Graphics
    2D Animation
    Lottie
    Adobe Illustrator
  • $60 hourly
    I have been working with Spotify API for years and I have developer access to it. I gather all data points related with songs and tracks on Spotify: Monthly listeners, play count, song credits and more.
    Featured Skill JSON
    Twitter/X
    Data Cleaning
    Data Mining
    Data Scraping
    Arabic
    Data Extraction
    Music Playlist
    SoundCloud
    YouTube Data API
    Twitter/X API
    Music Track
    Apple Music
    Music
    Spotify
    API Integration
    R
    Data Visualization
  • $50 hourly
    Hello, I am a Sr. Software Engineer. Web applications, services for your applications and websites are my specialty. It is a pleasure for me to develop your project from scratch, determine the requirements, and complete the shortcomings of your project. My tech-stack and competencies: 🛠 Back End (Golang, PHP/Laravel, NodeJS) 🛠 Desktop (Golang, ElectronJS) 🛠 Cloud Services (AWS, Google Cloud) 🛠 Server Management (Linux, Ubuntu, Debian, CentOS) 🛠 DB (PostgreSQL, MySQL, noSQL, SQLite) 🛠 Version Control (Git, SVN) 🛠 Malware Analysis (Static/Dynamic) Less talking, more working. Let's get started right away.
    Featured Skill JSON
    Software Design
    Web Design
    Data Scraping
    Linux System Administration
    Google Cloud Platform
    Desktop Application
    HTML5
    Node.js
    JavaScript
    Web Application
    WordPress
    PHP
    Amazon Web Services
    Laravel
  • $150 hourly
    -I'm a full-stack backgrounded Salesforce Architect with hands-on development who has worked for worlds one of the best Salesforce partners in the world(Deloitte) and now working as a contractor(remote) for another international Salesforce partner. I'm experienced in both Salesforce Classic(Visualforce) and Lightning interfaces. (LWC, Aura) I could help you; - Design your solution. End-to-End. - Implement Integrations / Migrations. - Build Your 2GP AppExchange Applications from scratch to Launch - (Security reviews etc.) - Development (VF, Aura, LWC, APEX, REST API ) - Translate your business needs into Salesforce applications. - Exploring all possible options for completing a task and suggest the best one for your case. - Implementing your needs with best practices as Salesforce recommends. - Developing your complex APEX code/triggers. - with building Salesforce integrations in any way possible to any platform, daily, real-time, close to real-time, or as batch jobs. ( all have their use cases/scenarios + advantages, disadvantages.. ) - Managing your Salesforce ORGS. - debugging your code and fix any issues. Besides, I'm proficient in multiple programming languages & platforms ; ASP.NET C#, nodeJS, JAVA, HTML/CSS/javascript/jquery, MSSQL,MySQL,MongoDB,Redis Certifications that I have; - Salesforce Certified Application Architect - Salesforce Platform Developer II - Salesforce Certified Data Architecture and Management Designer - Salesforce Certified Sharing and Visibility Designer - Salesforce Platform Developer I - Salesforce Administrator - Salesforce Platform App Builder - Salesforce Sales Cloud Consultant - Salesforce Service Cloud Consultant - Salesforce Community Cloud Consultant These titles would also help you to understand which kind of roles that I might be a good fit for; Salesforce Technical Architect, Salesforce Technical Lead, Lead Salesforce Developer, Software Dev. Team Lead, ( Mobile, Salesforce, ASP.NET C#, Nodejs.) Software Architect. -I'm here to help you on your Salesforce journey with getting the best of Salesforce.
    Featured Skill JSON
    Solution Architecture
    Salesforce Sales Cloud
    Apex
    AppExchange
    Software Integration
    Software Architecture & Design
    Salesforce App Development
    Salesforce Lightning
    Visualforce
    SMS Gateway
    SMS
    Salesforce CRM
    API Integration
    API
  • $80 hourly
    I am an experienced software developer. I work on various software projects. I like to use: Python, Node.js, Rust, Elixir, Php, Redis, Github, Bitbucket, Mysql, Mongo, Solana Network, Jito, Crypto Trading Bots. If you need a software solution feel free to contact me.
    Featured Skill JSON
    Cryptocurrency
    Blockchain, NFT & Cryptocurrency
    Websockets
    Socket.io
    API Development
    Node.js
    Rust
    MongoDB
    MySQL
    Python
    JavaScript
    Microservice
    API Integration
    Elixir
  • $60 hourly
    With 5 years in Full-Stack Development, I craft powerful, user-centric web applications that elevate browser experiences. 🔥 Why Me? - Mastery over Next.js and Tailwind - Tailored Solutions for standout web applications. - Quality-First Approach ensuring seamless performance. - Transparent & Timely communication. - Your vision + My expertise = Apps that users love. Let's chat!
    Featured Skill JSON
    Full-Stack Development
    Web Application
    Next.js
    Browser Extension
    React
    Google Chrome Extension
    Node.js
    JavaScript
  • $40 hourly
    Skills 🖥 iOS Development, Xcode, Swift 🖥 Able to work mobile apps that is used by 100K+ users. 🖥 Rest API 🖥 UI UX Consulting in projects 🖥 MVC, MVVM, VIPER, Clean Architectures 🖥 Firebase Auth, Firebase Cloud Firestore, Firebase Realtime DB etc. 🖥 AVFoundation, video issues. 🖥 Firebase Crashlytics 🖥 Appstore issues 🖥 3rd party library implementations 🖥 Cocoapods, Carthage 🖥 Google AdMobs, Advertisements 🖥 OneSignal, Insider, Related Digital Push Notification services. Highlight Projects - kariyer.net app - Duuple Challenge app - FirebaseAuth / Realtime DB, Cloud Firestore Modules - Taxi (Transportation) App - Apps about betting for sports. - Messaging Apps - Also so many complex and big volume mobile apps. Education - Physics License - Computer Engineering Master Degree Experience - 8 years. Focuses; - App quality, - Good Architecture - Delivery on time so happy clients :) I am an expert Swift developer and very comfortable for using Swift libraries. I can also speak English fluently so, can make a call with you for brain storming your architecture or UI/UX etc.
    Featured Skill JSON
    Adobe XD
    Model View ViewModel
    macOS
    API Development
    Mac OS App Development
    Google APIs
    Zeplin
    VIPER
    Cocoa API
    RESTful API
    Apple Xcode
    iOS Development
    MapKit
    Swift
    iOS
  • $40 hourly
    Generally worked on Line of Business applications on both desktop and web. Clients include Shell, IBM, many national banks and government branches.
    Featured Skill JSON
    Windows App Development
    Microsoft Windows
    Microsoft SQL Server
    CSS
    ASP
    JavaScript
    ASP.NET MVC
    HTML
    Windows Communication Foundation
    .NET Framework
    C#
  • $30 hourly
    Hello and welcome to my profile! I have over 10+ years of experience My skills set: • Wordpress • Opencart • HTML • CSS • JS • Bootstrap • PHP • jQuery •
    Featured Skill JSON
    OpenCart
    Web Development
    HTML5
    Vue.js
    PHP
    jQuery
    WordPress Plugin
    WordPress
    JavaScript
    CSS
    API
    HTML
    MySQL
    PHP Script
  • $30 hourly
    Hi, My name is Mete (I'm using my middle name in real life). I've been developing Android applications with Java and Kotlin since 2013. I live in Turkey, but I have worked on a few projects outside of Turkey. I am currently working on one of largest e-commerce application in Turkey. I use Google's recommended methods for the platform and industry accepted technologies in the Applications I work. My skills: - Native Android languages (Kotlin & Java). - MVVM and clean architecture architecture recommended by Google - Firebase technologies (crashlytics, performance, firestore, functions, dynamicLinks, MLkit) - Industry standard libraries (like Retrofit, Glide, OneSignal, Lottie etc.) Also I worked on: Realtime object recognizing via ML, Socket communication, video chat app via WebRTC, Google Maps, video playback, transition animations, Jetpack Compose...
    Featured Skill JSON
    RESTful API
    JetPack
    Android App Development
    Kotlin
    Java
    Firebase
  • $18 hourly
    I am a developer with experience in frontend and backend development technologies. Mostly, i am using angular to develop frontend and java for backend.
    Featured Skill JSON
    MongoDB
    SQL
    Spring Boot
    Java
    Kibana
    Git
    React
    HTML5
    Angular
    JavaScript
    CSS
    Responsive Design
    npm
    CSS 3
  • $25 hourly
    👋 Hi there! I’m an iOS application developer. My job is to turn your app ideas into real, functional, and user-friendly mobile applications that work seamlessly on iPhones and iPads 📱✨ 💻 Technologies I Use: • 🧠 Swift & SwiftUI – for building modern, native iOS UIs • 🛠️ Xcode – my main development environment • 🔥 Firebase – for backend (auth, database, notifications, etc.) • 🔍 Postman – to test APIs and ensure smooth integration • 🧬 Git – for version control and collaboration ✅ What I Guarantee: • 🚀 A fully managed mobile app project from start to finish • 🎨 Custom user interface tailored to your app’s goals and branding • 🧼 Clean, scalable, and maintainable code using Apple’s best practices • 📦 App Store-ready delivery (including submission if needed) • 😊 And a pleasant development journey! Let’s build something great together! 🚀
    Featured Skill JSON
    iOS
    iOS Development
    Apple Xcode
    SwiftUI
    Swift
    REST API
    API
  • $35 hourly
    SAP B1 Development Consultant - Senior Software Developer I have been developing and consulting on SAP B1 for a long time. I have knowledge of all modules in SAP. I have experience in user interfaces, data integrations and database configuration, etc. I am also developing MES software integrated with SAP. Additionally, I have experience and skills in developing web applications.
    Featured Skill JSON
    Windows Forms
    CSS
    HTML
    JavaScript
    Vuetify
    Vue.js
    XML
    SOAP
    REST API
    .NET Framework
    C#
    ERP Software
    SAP Cloud Platform Integration
    SAP BusinessOne
  • $11 hourly
    I’m a passionate and detail-oriented software developer with 3 years of experience, specialized in Java, Spring Boot, Vue.js, and microservice architectures. I have worked on large-scale projects, including admin panels and ticket sales platforms for the Turkish State Railways (TCDD). Whether it's backend development, RESTful API integration, or front-end enhancements, I deliver clean, efficient, and scalable solutions. I’m now offering my skills as a freelancer to help bring your project to life with professionalism and dedication.
    Featured Skill JSON
    PostgreSQL
    JavaScript
    Vue.js
    Spring Boot
    Java
    Software QA
    Web Application
  • $20 hourly
    Hi! Are you ready ? Because I'm ready to work. I'm Sedat. I graduated about Computer Engineering from Universtiy. I'm a tester with experience in testing websites or applications for small and medium sized businesses. Also I have experiences about analysis,software and database. I experienced in Postman, Json, Oracle PL/SQL, SoapUI, Functional Testing ,JMeter . I'll fully project manage your brief from start to finish. In additon I like creating contents for blogs. I'm confident about this. Reqular communication and being honest are really important to me. So let's start to work :)
    Featured Skill JSON
    Content Writing
    Content Development
    Apache JMeter
    soapUI
    Oracle PLSQL
    SQL
    Jira
    API Testing
    Postman
    Smoke Testing
    Regression Testing
    Functional Testing
    Manual Testing
  • $8 hourly
    As a seasoned Software Engineer with a solid track record spanning 5 years, I specialize in Web and Mobile Development. • JavaScript React.JS for dynamic and interactive web applications • React native/Flutter cross platform for mobile applications. • Swift/SwiftUI for creating Minimal and efficient iOS applications I bring a wealth of technical expertise to every project, with a keen eye for detail and a commitment to delivering high-quality code. Let's collaborate to turn your software vision into a reality.
    Featured Skill JSON
    ChatGPT API
    Apple Xcode
    JSON API
    Swift
    SwiftUI
    React Native
    iOS Development
    Web Application
    CSS
    HTML
    Python
    JavaScript
    React
    Web Development
  • $20 hourly
    I'm a developer with experience in building business websites and ecommerce websites for all businesses since 2010. If you need any help i will help you for completely. -HTML,Css,Js completed frontend -PHP, js, sql competed backend -I can make dynamic websites For any question you can write to me.
    Featured Skill JSON
    phpMyAdmin
    Data Entry
    PHP
    Data Analysis
    SQL
    CSS 3
    HTML
    HTML5
    JavaScript
    CSS
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