Hire the best JSON Developers in Warsaw, PL

Check out JSON Developers in Warsaw, PL with the skills you need for your next job.

Aliaksei K.
$35/hr
  • Trophy Icon JSON
  • Logo Animation
  • Video Editing & Production
  • GIF
  • Character Animation
  • Motion Design
  • Vector Graphic
  • Animation
  • Lottie
  • Video Advertising
  • Video Production
  • Visual Effects
  • 2D Animation
  • Adobe After Effects

Hello! I am a motion graphic designer who always approaches his work responsibly. Do you need an interactive lottie/SVG/CSS animation for your website or application? Gif animation, advertising of your product or service? Character, logo, environment animation, UX/UI? Need to purchase, customize or create a video template? Then you are at the right place. Being responsible and punctual, I am always glad to be of service.

Irina G.
$45/hr
  • Trophy Icon JSON
  • Motion Design
  • Lottie
  • UI Animation
  • 2D Animation
  • Animation
  • Spine 2D
  • Video Intro & Outro
  • Character Animation
  • GIF
  • Logo Animation
  • Video Animation
  • SVG
  • Animated GIF
  • Morphing Animation
  • Adobe After Effects

I ensure a quick turnaround and the ability to offer great quality animations under short deadlines. "...Her technical skills are more than I expected and her creativity was something special." "...Irina has an incredible talent too for observing animals and bringing them to life in beautiful, delightful ways, which is exactly what I was looking for. Furthermore, I found her to be very reliable, trustworthy, hardworking, and 100% communicative. She would send me draft animations to look at, I'd give her feedback overnight, and just a few hours later she had brand new animations ready." I draw individually all illustrations for your...

Alan K.
$45/hr
  • Trophy Icon JSON
  • Java
  • JavaFX
  • SQLite Programming
  • Android
  • Kotlin
  • REST
  • Git
  • Android SDK
  • Android App Development
  • API Integration
  • Smartphone
  • Chat & Messaging Software
  • In-App Advertising

Android development and maintenance Complete applications, prototypes, proof of concept, maintenance, legacy support Integration with popular social media platforms Google resources e.g. Maps, Analytics, ads E-commerce, in-app purchases, point-of-sale tools Technology: - Programming languages: Java, Kotlin, SQL - Architecture: MVVM, MVP, clean code - Professional software engineering tools and methodologies

Pavel P.
$30/hr
  • Trophy Icon JSON
  • Windows Forms
  • PostgreSQL
  • SQL
  • .NET Framework
  • API
  • Microsoft SQL Server
  • ASP.NET Core
  • DevExpress
  • Windows Presentation Foundation

10 years experience in C# .NET developing. Making a web and desktop Windows/Linux .Net applications. Have a team leading experience. Working with scalable projects, microservices. I'm working with a lots of frameworks and technologies like a DevExpress, Asp.Net Core, WPF, Web Api and ect. Great experience with parsing web pages, working with API, code reviews. I have a experience with working at Sql Databases like MS SQL and PostgreSql. That is my stack: 1. Visual Studio 2017-2022 2. C# 3. Asp .Net Core 4. WinForms 5. Wpf 6. DevExpress 7. Mqtt 8. C# WebApi. 9. REST Api. 10. Telegram Bot Api. 11. SQL Databases. 12. Json/Xml. 13....

Nick K.
$35/hr
  • Trophy Icon JSON
  • Firebase
  • Alamofire
  • Swift
  • Mixpanel
  • MapKit
  • SnapKit
  • Websockets
  • Push Notifications
  • iOS
  • Mapbox

I am an experienced and motivated strong senior iOS developer, interested in skillfully creating creative mobile applications and utilities. I understand the importance of creating easy-to-read, reusable, and easily maintained source code. I constantly strive to learn new technologies and look for ways to improve myself in this rapidly changing industry. My strengths and skills: - 7 years of iOS development - Degree in Computer Science - Experience developer native iOS application - Knowledge of APIs and design patterns (MVC, MVP etc) - Push notifications - REST API development skills - Experience MapKit, MapBox - Stripe -...

Firdavs R.
$35/hr
  • Trophy Icon JSON
  • API
  • HTML
  • HTML5
  • CSS
  • React
  • Bootstrap
  • MUI
  • XHTML
  • PSD to HTML
  • JavaScript
  • RESTful API
  • Git
  • Business with 1-9 Employees
  • web3.js

Are you looking for detail-oriented and meticulous Frontend developer? If so, you are at the right place! Here is what my clients think about me: 💬 "Firdavs was a pleasure to work with, the work was done efficiently and to a great standard. Would definitely work with again, he is responsible and gets back quickly" 💬 "He’s quick, resilient and technically sound. Felt like we were working with someone from our team. Always available and top notch work." Key Facts: ✔️ Worked and completed over 10 projects; ✔️ Have plugins and custom themes for sale in marketplaces; ✔️ Expert in Javascript frameworks (React JS/ React Native) ✔️ Over 3...

Oleh D.
$45/hr
  • Trophy Icon JSON
  • Intuit QuickBooks
  • ActionScript
  • Zapier
  • JavaScript
  • API
  • Python
  • Firebase
  • Business Presentation
  • Webflow
  • Automation Framework
  • Automation
  • Selenium
  • Airtable
  • Integromat

I am a software engineer with a solid background in high performance business applications, automation and distributed systems. With great communication business skills with multiple companies, I am passionate about maximizing my team's full potential while improving work-life balance and overall joy. I am very motivated and active, focused on achieving goals, open-minded and communicative.

Sergey K.
$40/hr
  • Trophy Icon JSON
  • C#
  • PHP
  • SQL
  • .NET Framework
  • Web Scraper
  • Desktop Application
  • Windows App Development
  • Web Application
  • JavaScript
  • jQuery
  • MySQL
  • Data Mining
  • Data Scraping
  • Selenium

I'm full stack software developer with more than 18 years experience. ✨✨✨ I've built over 10 large CRM/ERP systems from scratch using C# .NET. I have very large experience in data scraping and data collection tools. I've done over 100 different scrapers and bots for different purposes. Last 12+ years I provide services of web apps development using PHP, JavaScript, JQuery, CSS3. I know well all popular content management systems such as WordPress, PrestaShop, Shopify and others. I've used successfully Symfony and Laravel platforms in my projects. I deeply faced with all popular databases MySQL, MS SQL, SQLite. I have strong skills in...

Freaky O.
$75/hr
  • Trophy Icon JSON
  • Draw.io
  • Jira
  • Automation
  • Figma
  • C#
  • Web3
  • Amplitude
  • Postman
  • Web Application
  • HTML
  • XML
  • Google Docs
  • Google Analytics
  • System Automation

I'm a business analyst with a deep technical background. I can help you to manage the backlog and road map, and optimise the internal process as for business as development. Determination and resolving existing gaps in your business will be in prior. My main purpose will be to keep/optimise the time of the team and resolve as many issues as will be possible. I have experience in different domains, so I can analyse your project from different perspectives and find the best solution based on the best practices from different markets. I’ll fully project manage your brief from start to finish; Regular communication is really important to me,...

Burak S.
$40/hr
  • Trophy Icon JSON
  • Database
  • Angular
  • CI/CD
  • API Development
  • C#
  • jQuery
  • API
  • HTML5
  • Bootstrap
  • XML
  • Agile Software Development
  • Git
  • Code Review
  • Flutter

I am a developer experienced mostly on .net stack. I have experience on .net 4.7 , . Net core , .net6 , MSSQL, api development , Microservices , angular ext.

Damian N.
$40/hr
  • Trophy Icon JSON
  • Alert Notifications
  • Microsoft Azure SQL Database
  • DevOps
  • Azure DevOps
  • Automated Monitoring
  • CI/CD
  • Automated Deployment Pipeline
  • WorkBook
  • Kusto Query Language
  • Microsoft Azure
  • Microsoft Windows Powershell

Ensuring easy and fast delivery to the Azure in terms and spirit of a true DevOps approach (CI/CD/CD) Building Unified Monitoring Dashboards and Workbooks for Services Monitoring (KQL/Kusto) Building internal tools with the use of Azure Pipelines to automate repetitive work (PS 5/7)

Tsimafei Z.
$40/hr
  • Trophy Icon JSON
  • UIKit
  • Swift
  • Objective-C
  • RESTful API
  • Core Image
  • Mobile App Development
  • Core Data
  • Core Animation
  • iOS
  • Jira
  • App Store
  • Mobile App

I'm an developer with experience in building mobile application for iOS. I worked on each stage of application development: from development of MVP by concept to support software, that already more than 10 years in production. If you want to make an app or have support of already done - I can help you with that! Experienced in iOS, iPadOS, WatchOS and MacOS Development with Swift, Objective-C, Foundation, UIKit, SwiftUI, URLSession/Alamofire, CoreData/GRDB/Realm

Veronika R.
$15/hr
  • Trophy Icon JSON
  • HTML
  • CSS
  • Sass
  • JavaScript
  • React
  • Bootstrap
  • Redux
  • Babel
  • npm
  • HTML5
  • Web Development
  • TypeScript
  • jQuery
  • CSS 3

Hard-working Front-End Developer with great knowledge in Front-End: JS, React, Vue, HTML, CSS. I am very able-bodied and purposeful. I like to face difficulties and solve interesting problems. Aiming to leverage my skills to successfully fill the Front-End Developer role at your company. My github is veronikuznetsova. Constantly learning new things and trying to keep myself in shape. I do the job as soon as possible. I would be happy to work with you. If you have any questions write, I'll tell you more.

Egor L.
$12/hr
  • Trophy Icon JSON
  • Mobile App
  • Apple Xcode
  • Object-Oriented Programming
  • GitHub
  • Firebase
  • Software Debugging
  • UIKit
  • Swift
  • Git
  • Architecture
  • Figma
  • Core Graphics

Email: yegor.laba@gmail.com Skype: labaegor1998 GitHub: github.com/EgorLaba I have almost 2 years of professional experience. I am responsible and attentive to the details, I'm used to doing my job well at all times and in everything - not to redo. I am looking for a new career possibility with a friendly team - to join quickly and be accepted easily. I really love team work, it gives me a huge motivation to work and inspires me to new feats. Let's reach the top of success together!

Mikita H.
$13/hr
  • Trophy Icon JSON
  • iOS
  • VIPER
  • Alamofire
  • Clean Architecture
  • XCUITest
  • iOS Developer
  • Swift
  • Unit Testing
  • Git
  • UIKit
  • iOS Development
  • API
  • MVVM Professional
  • Mobile App

Result-oriented and highly motivated iOS developer with 1+ years of experience in building mobile applications. The main technology stack is built on Swift programming language and popular iOS frameworks (Have been working with numerous architectures: VIPER, Clean SWIFT, MVVM+C, MVVM). Enjoyed working a lot with Coordinator pattern. Have been working with complex tables (with collection views + different size cells in it). Have a little experience with RxSwift and writing Unit/UI tests. Understand Agile methodologies and throughout my work experience has managed to establish myself as a purposeful and responsible team worker, ready to help...

Max Z.
$30/hr
  • Trophy Icon JSON
  • JavaScript
  • Custom PHP
  • PHP
  • PHP Script
  • WordPress Theme
  • React
  • RESTful API
  • Search Engine Optimization
  • WordPress
  • WordPress Plugin

WordPress Developer with the ability to build responsive themes from scratch, implement custom plugins and Gutenberg blocks, support and promote (SEO, SEM) WordPress + WooCommerce websites

Angela L.
$40/hr
  • Trophy Icon JSON
  • Deep Learning
  • Flutter
  • Selenium
  • FFmpeg
  • Linux
  • Python
  • Machine Learning
  • Kotlin
  • Raspberry Pi
  • OpenCV
  • Computer Vision
  • JavaScript
  • Java
  • HTML

7+ years of experience in web/mobile app automation, scrapping, Computer Vision, Image/Video processing, chatGPT Skills: Selenium, Python, C/C++, Java/Kotlin, Javascript/HTML, YOLOv5, OpenCV/FFmpeg ....

Aron A.
$30/hr
  • Trophy Icon JSON
  • HTML
  • JavaScript
  • MySQL Programming
  • MERN Stack
  • UX & UI
  • iOS
  • Flutter
  • AngularJS
  • MongoDB
  • jQuery
  • Django
  • CSS 3
  • C#
  • Laravel

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

Igor S.
$20/hr
  • Trophy Icon JSON
  • NestJS
  • Vue.js
  • Router
  • Web Application
  • TypeScript
  • JavaScript
  • NodeJS Framework
  • Node.js
  • HTML
  • Vuex
  • CSS
  • CSS 3
  • HTML5
  • Tailwind CSS

Hello, my name is Igor, I am a Front-end developer. Now I'm working in an outsourcing company, on a rather interesting project. The tools and technologies I use are Vue, Vue-router, VUEX, Javascript, Typescript, HTML, CSS. I also worked with such libraries as Bootstrap, Tailwind. Previously, I had little experience working with technologies and frameworks such as Node.js, NestJS, MicroOrm, and PostgreSQL. If you want to contact me, do it in a convenient way for you!

Aron A.
$30/hr
  • Trophy Icon JSON
  • C#
  • JavaScript
  • AngularJS
  • jQuery
  • Laravel
  • CSS 3
  • iOS
  • Django
  • MERN Stack
  • MySQL Programming
  • MongoDB
  • HTML
  • UX & UI
  • Flutter

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

Aron A.
$30/hr
  • Trophy Icon JSON
  • Flutter
  • MongoDB
  • MERN Stack
  • Cloud Computing
  • Django
  • MySQL Programming
  • HTML
  • AngularJS
  • iOS
  • jQuery
  • CSS 3
  • C#
  • JavaScript
  • Laravel

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

Aron A.
$30/hr
  • Trophy Icon JSON
  • Flutter
  • C#
  • HTML
  • MySQL Programming
  • MongoDB
  • ActionScript
  • MERN Stack
  • JavaScript
  • iOS
  • Laravel
  • AngularJS
  • CSS 3
  • jQuery
  • Django

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

Aron A.
$30/hr
  • Trophy Icon JSON
  • C#
  • CSS 3
  • jQuery
  • MySQL Programming
  • AngularJS
  • Cloud Computing
  • iOS
  • JavaScript
  • Laravel
  • Django
  • MongoDB
  • HTML
  • Flutter
  • MERN Stack

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

Aron A.
$30/hr
  • Trophy Icon JSON
  • MySQL Programming
  • HTML
  • Django
  • CSS 3
  • C#
  • Laravel
  • Cloud Computing
  • JavaScript
  • AngularJS
  • MongoDB
  • iOS
  • Flutter
  • jQuery
  • MERN Stack

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

Aron A.
$30/hr
  • Trophy Icon JSON
  • HTML
  • JavaScript
  • Cloud Computing
  • C#
  • MongoDB
  • MySQL Programming
  • jQuery
  • iOS
  • Flutter
  • AngularJS
  • Laravel
  • Django
  • MERN Stack
  • CSS 3

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

Aron A.
$30/hr
  • Trophy Icon JSON
  • API
  • Django
  • Cloud Computing
  • iOS
  • MERN Stack
  • Laravel
  • jQuery
  • CSS 3
  • C#
  • JavaScript
  • Flutter
  • HTML
  • MongoDB
  • MySQL Programming

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

Aron A.
$30/hr
  • Trophy Icon JSON
  • jQuery
  • MongoDB
  • Laravel
  • AngularJS
  • iOS
  • Flutter
  • Django
  • MERN Stack
  • ActionScript
  • JavaScript
  • CSS 3
  • C#
  • MySQL Programming

I am an experienced web developer and very comfortable working with WordPress-based websites. I can also work on PHP-based websites if required. Furthermore, I have worked as a back-end and front-end developer. Although I mostly prefer back-end related work, I can still do most of the front-end related tasks efficiently. I am also experienced with managing web hostings (VPS, Dedicated, or Cloud servers) with/without GUI panels like cPanel, Plesk, Webmin, etc., installing new packages, building Apache modules, configuring Apache, Nginx, and Varnish cache, etc. ✦• · · ─────── · 🧩 Frontend · ─────── · · •✦ ✅ I am familiar with Bootstrap,...

$NaN/hr

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