Hire the best JavaScript Developers in Kyiv, UA

Professional and highly motivated developer with more than 5+ years of development experience having web and mobile hybrid app development background.Attention to detail and self-motivated, easily understands and solves the needs of the client. Customer focused with a proactive and a positive can-do attitude. Write SPA (Single Page Application) on framework VUE.js, React; Creating HTML markup and CSS styles from PSD files; Code refactoring (HTML, CSS, JS); Provide assistance to the front-end developers in troubleshooting and coding; Optimize website performance using latest technology; Responsive web design and images for Retina display;...

Over the last 10 years, I have developed and supporting web applications using advanced backend/frontend with PHP/MySQL for CRM/ERP and e-Commerce projects. My experience includes web applications for small-to-middle business automation, corporate websites, online store, developing CMS/CRM/ERP web-systems, API for most e-Commerce Marketplaces (Amazon, eBay, Newegg), and payments systems (2Checkout, Authorize.net, Payeezy.com). Web scrapers, tools for data analyzing/reporting, etc. My services provide an integrated approach to solving customer problems and tasks, from creating a project architecture to implementing a solution in code. My...

I can develop complex web applications from scratch as well as optimize and extend existing software. I have solid experience in web programming from simple web sites to complex client/server applications such as CRM and ERP. My skills include: ✓ Back-end: PHP 5.*, 7.*, 8.*, Laravel 5.*, 6.*, 7.* ,8.*,9.* ✓ Front-end: Vue.js, HTML, CSS, Bootstrap, JS, jQuery; ✓ Databases: SQL, NoSQL, Redis; ✓ Solid understanding and OOP usage and design patterns; ✓ Building and integrating RESTfull APIs; ✓ Unit testing; ✓ Gulp/Webpack; I am extremely scrupulous and always pay close attention to customers’ needs and every detail of a project. Additionally,...

I am a strong expert who is able not only to develop a system following the customer's requests but also give a piece of advice on how to organize the system architecture in the most efficient and scalable way based on business requirements. Salesforce: • More than 6 years experience • Apex/VisualForce/Aura/LWC • Strong knowledge of building Salesforce managed packages • SOQL / SOSL • Streaming / Bulk / Metadata APIs • Open CTI • Sales Cloud, Community Cloud, Service Cloud Common: • VCS (Git, Bitbucket); • CI/CD (Jenkins, TeamCity, SalesforceDX); • Ant / Maven; • Agile; • Databases (MongoDB, MSSQL, MySQL). Background knowledge: •...

🛠 Front-end: React JS / Redux / JavaScript / TypeScript / HTML5 / CSS3 and a lot of related libraries and technologies 🛠 Back-end: Python / NodeJS / ExpressJS / REST API / Flask 🤖 AI: ChatGPT / OpenAI API / StableDiffusion 🗄️ Databases: MongoDB / PostgreSQL / MySQL / Firebase 🔑 Blockchain (web3): Solidity (smart contracts) / WalletConnect / Alchemy / ethers.js 📱Telegram bots: Python / aiogram / Telegram API 🛠 API integration: Twitter API / Telegram API / Spotify API / Google Calendar API / Web3Modal etc. 🕸️ Web scraping: Python / Selenium I'm a full-stack developer with more than 6 years of experience working for a variety of...

I have 8 years of experience with Front/Back end. Have great communication skills, can define clients' needs and offer top-notch solutions. I'm proficient with any WP type of job such as the development from scratch, optimization, plugin development, custom theme development. My skills stack: - HTML5 + CSS3 (The block, flex, grid) + Animations, adaptive (Responsive) - PHP (WordPress CMS), Database - Figma, Photoshop - Bootstrap, Tailwind - jQuery, jQuery UI/UX, JS, Gulp, Webpack, API integration, Bitbucket (git) - The manual code, logical, quality - Cross-browser compatibility: IE9 +, Chrome 16+, Firefox 15+, Opera 12+, Safari 8+ - Is...

👋 Hi! My name is Andrey and I am a Lead Software Engineer at Join.To.IT 👨‍💻About Me: ✔ Experience: 4 years in web development. ✔ Front-end stack: Vue.JS, React.JS. ✔ Back-end stack: Laravel, Node.JS ✔ Experience in Databases: MongoDB, MySQL, PostgreSQL, Microsoft SQL Server, MariaDB, DynamoDB. ✔ Area of expertise: Healthcare, E-commerce, FinTech, ERP, CRM, Travel, Hospitality, Real estate, Marketplace, Manufacturing, Insurance, LMS (Learning Management Systems), Logistics, Martech, Car Rent, Social Networks. ✔ Development for me is a challenge where I am capable of creating complex projects and finding the best solutions. I'm a part...

5+ years of experience in the front-end (3+ years in React) HOW CAN I BE USEFUL TO YOU: REACT - Developement of the UI for your application as a turnkey solution - Making new UI elements according to the design - Making new UI elements based on: Material-UI, Semantic-UI, Ant Design - Connecting your application to REST API / GraphQL - Making new functionality or adjusting the existing one - Moving your React App to Gatsby / Next (SSR) - Converting class components into functions with hooks - Rewriting your JavaScript into TypeScript - Developement of reusable components - Adding and/or configuring the state management library Redux / MobX...

Experienced in building responsive, accessible websites. Good communication skills – worked with a few international companies. Over the last 6 years, I have developed 40+ websites of various sorts of complexity. Starting from single pages/landings to complex websites on PHP frameworks(YII2, Laravel) and CMS(Wordpress, Joomla, Opencart). Can build a website from scratch or make some changes on the existing project. Good knowledge of ReactJS. Familiar with Node.js. Specialized in pixel-perfect design development. Worked with CSS preprocessors, different grids(Bootstrap, Neat).

Self-motivated professional with strong work ethic and productive self-starter. Team player — Participated in multiple projects, joining large teams, effectively co-working with other professionals 4 programming Skills: -JavaScript (ES6+), Typescript -Vue.js(2/3), Nuxt.js, React.js -CSS3(bootstrap, tailwind, sass/less) -Html5 -Node.js, -Webpack, Gulp

🏆𝐅𝐮𝐥𝐥 𝐬𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 🏆 𝐑𝐞𝐬𝐩𝐨𝐧𝐬𝐢𝐛𝐥𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 🏆 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 👋I'm a professional software engineer (7+ years of experience in both backend and frontend) with a portfolio of successful projects that allow me to transform your ideas into quality work solutions. ✔ 160+ completed projects; ✔ 210+ satisfied clients; May help you with building a complex responsible website with integrated/customized plugins, payment systems, and other e-commerce features, maps, contact forms, etc. I consider not only technological requirements, but your business aims as well. Do you need a great website to...

I’m a developer in SpreadLogic agency. We are a 𝗳𝗼𝗰𝘂𝘀𝗲𝗱 𝘁𝗲𝗮𝗺 𝗼𝗳 𝗽𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹𝘀 building dashboards and reports that will help you sleep well. Over 1k businesses (𝗲-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲, 𝗱𝗶𝗴𝗶𝘁𝗮𝗹 𝗺𝗮𝗿𝗸𝗲𝘁𝗶𝗻𝗴, 𝗿𝗲𝗮𝗹 𝗲𝘀𝘁𝗮𝘁𝗲 & 𝗰𝗼𝗻𝘀𝘁𝗿𝘂𝗰𝘁𝗶𝗼𝗻, 𝗳𝗶𝘁𝗻𝗲𝘀𝘀 & 𝗵𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲, 𝗻𝗼𝗻-𝗽𝗿𝗼𝗳𝗶𝘁, 𝗲𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻, 𝗮𝗻𝗱 𝗼𝘁𝗵𝗲𝗿 𝗶𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀) enjoy their automated reports thanks to our help. 🔑 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦: ✔ DASHBOARDS, VISUALIZATION & REPORTING: - We make magic in 𝗟𝗼𝗼𝗸𝗲𝗿 𝗦𝘁𝘂𝗱𝗶𝗼, 𝗘𝘅𝗰𝗲𝗹, 𝗚𝗼𝗼𝗴𝗹𝗲 𝗦𝗵𝗲𝗲𝘁𝘀, 𝗮𝗻𝗱 𝗣𝗼𝘄𝗲𝗿 𝗕𝗜. - Savvy...

For every new client, I’m glad to offer a discount of up to 30% at the initial stage of the project. In this case, you as a client can be sure of my professionalism and see how I work in practice. Hi there! After receiving PhD in material science, I decided to turn my hobby into a career of web developer. With almost 10 years of experience I have already developed a lot of complex projects Currently, I'm a Teamlead of the Ecommerce Web Development Agency - Polyany s.r.o (upwork.com/ag/polyany/). Our team provides services in web, mobile (Flutter), e-commerce development, design, and consulting. We create, modify and support stores based on...

Hello, all! My name is Denys. I am here to make your life easier. With my web developer skills, specialization in developing responsive and cross-browser landing pages / multi-page websites, email templates, Wordpress websites, and 4+ years of experience, I am sure that I can provide you the best solution to your project. I am NOT just looking for clients on Upwork. I am looking for a long-term partnership that will bring benefits to both sides. It is very important for me to know that you will get exactly what you need and a little more. I am NOT just a developer that moves from project to project. I always stay in touch and am ready to...

Empat has 9.5 years of experience and excels in app development (both native and cross platform). ❓Why US? 💁‍♂️ ∙ 325 developed projects in 21 countries ∙ Most of our contracts are long-term engagements: 3+ years ∙ Our developed projects received 5M+ users in a month ∙ Our clients’ MVPs get their 25M+ investments ∙ We need 90 days to develop a project from idea to MVP. ❓ What we do? • Native iOS and Android development • Cross platform app development • MVP development • Discovery phase • Data science proof of concept (POC) • Product Design (UX/UI) • Data Science (AI, ML, Data Engineering) • Product Management • QA Testing •...

Hello and welcome! I am Oleksandr Yatsiuk, a part-time freelancer based in Ukraine. I am an experienced Angular developer and currently working on a healthcare project with an IT company in Ukraine. In my spare time, I work on my pet projects to enhance my skills and stay up-to-date with the latest technologies. With expertise in Angular and Node.js frameworks, I am well-equipped to build projects from scratch to production. I am dedicated to providing high-quality work and delivering results that meet or exceed my client's expectations. If you're looking for a talented developer who can work efficiently and effectively to bring your...

👋 Howdy! I am a front-end developer keen on developing functional, reliable, and easy-to-use React.js application Technologies I use: ✔ React/Redux; React Router; Redux Thunk ✔ TypeScript/JavaScript ✔ HTML, CSS ✔ ESLint, Prettier ✔ Pixel perfect responsive websites I will consult you on the fastest, easiest, and most valuable options so you save your time for more important questions. Please feel free to write if you want to discuss the project 📧

I'm an expert in game development. I have been using Construct 3 (2) since 2014. I can develop any genre of single-player games, as well as multiplayer projects with Construct's WebRTC plugin, Photon, PlayFab, Firebase, GameAnalytics, or other technologies upon request. I have extensive knowledge and understanding of game development for Android, iOS, Web/HTML5 platforms, and desktop. I also have experience in teaching game development and creating educational games. — HTML5, JavaScript, PHP + creativity Let's work together to make an excellent game.

✅ Custom Web Development Solutions ✅ Full-stack Developer Hi Upworkers! I'm a professional Software Developer with 5+ years of web development experience. 📌 I help my clients to present their business online in the most effective way possible by creating productive e-commerce solutions. 📌 I can also enhance the already existing website to ensure high performance and stability. 📌 Successfully releasing different projects during my career, I learned a lot about the possibilities and limits of each technology and can offer a valid approach and the right tech stack. 📌 Besides, I can provide pixel-perfect design conversion for custom...

🇺🇦 We are Element Agency – a Ukrainian team of professional developers. ✅ Top Rated on Upwork, 100% Job Success Score. 🥇 Our experience and skills are ready to serve you – and your business. Working with us is safe and comfortable. We are trusted by such clients as the Ministry of Culture of Ukraine, TEDxKyiv, Ukrainian Cultural Foundation, Creative Europe, and many others. We create everything digital – from websites and mobile applications to illustrations for websites, apps, and books – and help to incorporate anything from business analytics services to b2b portals and CRM systems for your company.

I am a developer and designer. I’m developing and launching products since 2013. My skills Soft skills: - Communication and process construction - Code Review, Architectural Review, Documentation Frontend: - Javascript (ES5-ES10), Typescript - React.js - HTML/CSS (pug, less, sass/scss, postcss, styled-components) - Functional and OOP Programming - Design Patterns - a LOT of UI frameworks (bootstrap, materialize, ant-d, etc) - SSR Backend: Languages: Node.js, PHP Frameworks: Laravel, KOA, Next.js, Express Databases: MongoDB, MySQL, Redis Search Engines: ElasticSearch API, Monolith, Microservices Design: - Figma - Adobe After Effect,...

Hi 👋 I am self-directed and motivated Account Executive with 5+ years of experience in IT. My team can design and develop Web & Mobile (Native/Cross-Platform) Apps from scratch besides AI/ML, AR/VR projects of any type of complexity. ➡️Our Main Tech Stack: ✅Frontend: React, Vue, Angular, Unity, Ember, JavaScript ✅Backend: Python, Node, Ruby, RoR, Java, Express, Grails, Go ✅Mobile: React Native, Flutter, Kotlin, Java, Swift, Ionic, Obj-C Our services include: 🔶Business Analysis 🔶UX/UI Design 🔶 Machine Learning 🔶Development 🔶Quality Assurance 🔶DevOps Engineering 🔶Project Management We have the experience, skill, and testimonials to...

Hello! I’m a Ukrainian Shopify Developer and CRO Expert who can help you to reach new heights.🚀 I help your businesses scale, whether that means:🚀 - a build a site from scratch - a migration from another platform - a redesign of an existing website - an improvement of your Shopify website conversion - a consultation with me as a Shopify and CRO Expert WHAT YOU WILL GET: ✅ The most important – FAST, SEO-FRIENDLY, HIGHLY-CONVERTING website ✅ Audits of your existing website ✅ CRO optimization ✅ Strategies to achieve your specific goals ✅ Ongoing optimization, improvements, consultation & growth Most of the time, I have...

Dear Business Builder, Let me guess, you’re looking for new ways to drive some customers to your business? And you’re thinking “If only I could get more traffic, more eyeballs on my offers”. Ok look, most people don’t have a traffic problem. They have a conversion problem. There is no lack of traffic nowadays. Facebook and Instagram have around 3 billion users and every second there are tens of thousands of different Google searches. So you can just get as much traffic as you want… just like in the supermarket. The real issue is to get that hot-baked traffic converted into real paying customers. People blame Facebook and Google...

Hello! I am Vadym from Ukraine. I am a hard-working individual Full-stack developer with over 6 years of experience, and I have completed bunch of projects for companies/clients such as Ecommerce Shops, Real estate, Retail, Hotels, Restaurants, Factories, etc. Skills: - PHP, Laravel, CodeIgniter, Yii2, Symfony - Python/Django/Flask/Odoo, Ruby on Rails - Node, React, Redux, Next.js, Angular.js, Angular 6+, Vue.js - HTML, CSS, Tailwind CSS, Bootstrap, Pixel-perfect - CMS: WordPress, Magento 1, 2, Shopify, Contentful, Strapi - MySQL, MongoDB, PostgreSQL - API integration with various platforms - Cloud server setup - AWS/Azure/Google...

I am a seasoned full stack developer who has over 8 years of experience in Laravel, Magento, Shopify, WordPress, Codeigniter, Drupal, ASP.NET, and Django. I have built websites for business solutions and market places. Here is my skillset: - Frontend: HTML5, CSS3, bootstrap, AJAX, jQuery, ReactJS, NextJS, AngularJS, Vue.js, Typescript, Redux - Backend: Laravel, Magento, Shopify, WordPress, Codeigniter, Drupal, ASP.NET, Django, Core PHP, CakePHP - Database: MySQL, SQLite, MongoDB, PostgreSQL - Cloud Services - AWS, Azure, Heroku I always try to provide high-quality solutions that help to grow clients' businesses. I respect the client's...