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Hire the best React.js Developers in Krakow, PL

Check out React.js Developers in Krakow, PL with the skills you need for your next job.
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4.7/5
based on 197 client reviews
  • $35 hourly
    • 5.0/5
    • (25 jobs)
    🏆 Senior Full-Stack developer. Worked with IMAX. 🌟 Only 5-star verified reviews. Hello, I'm Stepan, a Senior Full-Stack developer. With over 6 years of experience in the web and mobile development industry, I have personally led 30+ successful projects, delivering exceptional results for my clients. What clients say about me: 🌟 "Stepan was great. He worked on the form in a timely manner, and was very patient when I couldn't get back to him quickly. The communication was great, his work is excellent, and I will most definitely work with him in the future again." 🌟 "Wonderful person. focused and dedicated to tasks." 🌟 "Stepan is very responsible developer. Not only he did the job before the deadline, he also did even more work to simplify the upcoming app integrations, thank you. Highly recommended!" So far I’ve: - Worked with clients in a wide diversity of domains: healthcare, catering delivery, travel agency services, education, sales and marketing, vehicles, metals & mining. - Collaborated with customers 🌏 worldwide: Europe, (United Kingdom, Germany, Belgium, Croatia, Slovakia, Estonia, France, Norway), USA, Australia. - Worked with inspired 🚀startups & enterprise companies My services: - Develop Website - Build Mobile Application - MVP development - Build Marketplace - Develop Chrome extension - Hybrid Development - Build Prototype Here are my core skills: 🎯 Frontend: - React - TypeScript / JavaScript - Next.js / Gatsby.js / SPA - Web3.js - REST / GraphQL - Cypress.io Backend: - Express.js / Nest.js - AWS Serverless - MongoDB / DynamoDB - MySQL, PostgreSQL - Firebase Mobile development: - React Native - Flutter - Firebase Infrastructure: - AWS - GCP - Terraform - Docker - CI/CD Web3: - Truffle - Web3.js - Solidity VR/AR: -Unity Reach out to me today, and let's establish a long-lasting and fruitful collaboration. 🤝 Don't hesitate to get in touch right away! ✉️ Keywords to find me: Mobile App Development, Android, Android App Development, Dart, Expo.io, Firebase, Firetime Realtime Database, Flutter, FlutterFlow, Hybrid App Development, In-app Purchases, iOS, iOS Development, Java, Kotlin, Native App Development, Push Notifications, React Native, Swift, User Authentication, UX Design, Node.js.
    Featured Skill React.js
    Tailwind CSS
    API
    Redux
    Web Application
    HTML5
    Web Development
    HTML
    CSS
    Mobile App
    React Native
    TypeScript
    Node.js
    Next.js
    React
    JavaScript
  • $40 hourly
    • 5.0/5
    • (9 jobs)
    Seasoned and innovative senior Full stack Web and Blockchain developer with a decade of comprehensive experience in developing and optimizing advanced web applications. Proficient in a wide array of modern front-end and back-end technologies, with a strong focus on AI integration to drive user experience and operational excellence as well as Blockchain development. Proven track record in leading high-impact projects, enhancing system performance, and leveraging cutting-edge tools to deliver scalable, efficient solutions across multiple domains. Core Skills: •Frontend Technologies: React.js, Next.js, Vue.js, JavaScript, TypeScript, HTML, CSS, SCSS, Tailwind CSS, Material-UI, Bootstrap, React Native, GraphQL, GSAP, Gatsby •Backend Technologies: Node.js, Express.js, Nest.js, Python, Django, PHP, Laravel, Restful APIs, Fast API •Databases: MySQL, PostgreSQL, MongoDB •Blockchain Technologies: Solidity, Smart Contract, Web3.js, Ethers.js, NFT, Rust, Cadense, EVM, Solana, Flow, ERC20, BEP20 token, Binance, Cryptocurrency •AI and Integrations: ChatGPT API, OpenAI TTS, Dall-E, GPT-4 APIs, Claude, Stable Diffusion •Other Tools: DevOps, CI/CD, AWS, Google Cloud Platform, Prisma, Git, Github, Gitlab, Jira, Bitbucket, Cross-Functional Collaboration, Performance Optimization, Server-Side Programming
    Featured Skill React.js
    CSS
    HTML
    Blockchain Development
    Automation
    PostgreSQL
    AI Development
    PHP
    Python
    MongoDB
    Tailwind CSS
    Node.js
    Next.js
    TypeScript
    React
    JavaScript
  • $40 hourly
    • 5.0/5
    • (4 jobs)
    Senior Frontend Developer | 9+ Years of Experience in React, Angular, and Hybrid Mobile Development I'm a highly skilled Senior Frontend Developer with over 9 years of experience building robust, scalable, and user-friendly web and mobile applications. I specialize in modern JavaScript frameworks like React and Angular, and have extensive experience leading mobile app development using Capacitor and Cordova. I am comfortable working with teams of any size, from small startups to large enterprises, and thrive in both collaborative and independent work environments. Having successfully launched apps with over 1 million installs and integrated complex systems with CI/CD pipelines, I excel at solving challenging problems and delivering high-quality results on time. Whether you need a seamless user experience, smooth mobile app deployment, or advanced frontend architecture, I’m here to bring your ideas to life. My key strengths: Deep expertise in Angular, React, and modern JavaScript ecosystems. Proven leadership in mobile app development (Capacitor, Cordova). Efficient in CI/CD setup, automated deployments, and version control. Skilled in automating app deployments using Fastlane, ensuring faster and more reliable release cycles to Google Play and App Store. Ability to optimize performance and ensure scalability for apps with millions of users. Excellent communication and a proactive approach to delivering value. Let’s work together to take your project to the next level!
    Featured Skill React.js
    Mobile Angular UI
    React
    Product Development
    Progressive Web App
    Hybrid App Development
    JavaScript
    CSS
    HTML
    RxJS
    AngularJS
    Angular
    Apache Cordova
    Web Application
    Web Development
  • $50 hourly
    • 5.0/5
    • (33 jobs)
    Full Stack Developer specializing in Mobile applications built with React Native for iOS/Android apps with 16+ years of experience in mobile and web development. 🍀 200,284+ HOURS of full stack mobile development experience 🍀 70+ SUCCESSFUL MOBILE APPS with 1M+ downloads for iOS/Android platforms 🍀 50+ GLOBAL CLIENTS with 8-9 YEAR partnerships (average client retention: 3+ years) 🍀 $ 3.5 M+ in mobile app development revenue with active user bases of 40k+ per app WHAT I OFFER AS A FULL STACK MOBILE DEVELOPER: - React Native mobile app development with TypeScript for both iOS and Android platforms - Cross-platform mobile solutions that work flawlessly across devices - Mobile web developer expertise creating responsive mobile-first applications - React Native mobile solutions with real-time updates and API integration - React Native Expo implementation for faster mobile app development - Mobile UI/UX design focusing on intuitive user experiences - Complete mobile application lifecycle from discovery to App Store/Google Play submission MY FULL STACK MOBILE DEVELOPMENT APPROACH: 0 → 1: Taking your mobile app idea and transforming it into reality through: - Mobile app discovery phase with React Native architecture planning - React Native MVP development with essential mobile features and API integration - Full mobile app creation with seamless front-to-backend integration - Cross-platform optimization for consistent performance on iOS and Android 1 → ∞: Building lasting full stack mobile partnerships: - Full stack optimization for handling increasing user traffic on mobile platforms - Continuous improvement through React Native mobile updates and feature development - Real-time data synchronization and offline capabilities for mobile users - Many of my clients have worked with me for 8+ years through multiple versions of their React Native apps TECHNICAL STACK: - Mobile: React Native, Expo.io, Cross-platform development, TypeScript - Frontend: React, React.js, Next.js, responsive mobile-first design - Backend: Node.js, Express.js, Nest.js, REST API development - Database: MongoDB, MySQL, PostgreSQL, real-time data integration, Firebase - Mobile Features: Push notifications, in-app purchases, user authentication, API integration - Mobile UI/UX: User-centered design, prototyping, responsive interfaces - DevOps: Mobile app deployment, performance optimization across devices - Data layer management: Redux, MobX RECENT FULL STACK PROJECTS: - Built web rental platform using Next.js with Swedish payment API integration (3+ year partnership) - Developed React Native industrial analytics dashboard with real-time data visualization (4-year relationship) - Created React Native mobile learning platform with offline content access and Firebase (5+ year development) - Implemented responsive mobile-first web application with React.js frontend and Node.js backend - Designed cross-platform React Native field operations app with real-time tracking (7+ year client relationship) I SPECIALIZE IN MOBILE APPS FOR: - FinTech: Mobile banking and payment apps using React Native with secure API integration - Field Services: Cross-platform React Native GPS-based mobile tracking applications - E-commerce: React Native mobile shopping experiences with real-time inventory updates - EdTech: React Native learning platforms with intuitive mobile UI/UX - Mobile Business Operations: Custom React Native solutions for specific business needs WHY CLIENTS CHOOSE ME AS THEIR FULL STACK MOBILE DEVELOPER: - Business-focused approach that goes beyond just mobile app code - True cross-platform expertise across iOS and Android using React Native - Mobile web developer skills for responsive applications that work on all devices - Expertise in both mobile UI/UX design and technical implementation - Extensive experience with API integration for mobile applications - Proven track record of long-term client relationships (8+ years on average) Contact me today for your React Native mobile app development needs or full stack mobile project. I'm seeking long-term partnerships where I can provide ongoing value through mobile app development and enhancement. Also, I offer technical consultations - to discuss your mobile app requirements and - how React Native can create a cost-effective cross-platform solution for iOS and Android, - help you with Mobile App Development Strategy or web development strategy - help you with Tech Stack Recommendation
    Featured Skill React.js
    Android App Development
    iOS Development
    Objective-C
    Node.js
    React
    Mobile App Design
    Firebase
    Web Development
    API Integration
    JavaScript
    React Native
    Smartphone
    Mobile App Development
    Android
    iOS
  • $50 hourly
    • 5.0/5
    • (153 jobs)
    AWS certified full-stack developer with extensive experience in creating scalable distributed web applications for large and small businesses. 👨‍💻 8+ years in programming 🎓 Master's degree in Computer Science 🛠️ My Expertise: - Front-End: React, JavaScript, HTML5, CSS3, jQuery, Bootstrap - Back-End: Node.js, Java, Kotlin - Databases: MongoDB, MySQL, DynamoDB - Version Control: Git - Cloud: AWS – certified developer Looking forward to connecting, Paul.
    Featured Skill React.js
    MongoDB
    Amazon Web Services
    jQuery
    React
    AWS Lambda
    Software Development
    Kotlin
    Microservice
    Node.js
    SQL
    JavaScript
    Java
    CSS
    HTML
    Bootstrap
  • $40 hourly
    • 4.9/5
    • (9 jobs)
    With over 10 years of experience as a senior software developer, I have honed my skills in .NET, ASP.NET, C#, Node.js, JavaScript, TypeScript, and modern front-end frameworks such as React, Angular, and Vue. My extensive background in software development and engineering positions me perfectly to deliver high-quality, AI-enabled solutions for your project. Here’s a brief overview of my expertise: 🔸C# Programming: Proficient in C# with extensive knowledge in object-oriented programming, design patterns, and software architecture. I have developed numerous applications and tools that leverage C# for maximum efficiency and performance. 🔸.NET & ASP.NET Development: I have a decade-long experience in building robust, scalable, and high-performance applications using the .NET framework. My expertise includes developing web applications, APIs, and enterprise solutions with ASP.NET Core. 🔸JavaScript, TypeScript & Node.js: Skilled in server-side development with Node.js, creating fast and reliable back-end services with Koa, Express, Nest.js, and Hapi. Additionally, my JavaScript expertise spans both front-end and back-end development, ensuring seamless integration and performance. 🔸Front-end Frameworks: Experienced in building dynamic and responsive user interfaces using React, Angular, and Vue, along with HTML, CSS, LESS, SASS, Webpack, Next.js, Nuxt.js, and Gatsby. My work involves creating reusable components, managing state efficiently, and ensuring a smooth user experience across various devices and platforms. Why Choose Me: 🔸Proven Track Record: A history of delivering high-quality projects on time and within budget. 🔸Collaborative Approach: I thrive in team environments, effectively communicating and collaborating with cross-functional teams to achieve project goals. 🔸Continuous Learning: Committed to staying updated with the latest industry trends and technologies to provide innovative solutions. I am enthusiastic about the opportunity to help you achieve your goals with my technical expertise and dedication. I am confident that my skills and experience will be key to the success of your project. Reach out to secure a reliable development partner.
    Featured Skill React.js
    Amazon Web Services
    Microsoft Azure
    Microsoft SQL Server
    Vue.js
    AngularJS
    Angular
    React
    Node.js
    ASP.NET Core
    ASP.NET
    .NET Framework
    JavaScript
    C#
  • $40 hourly
    • 5.0/5
    • (9 jobs)
    More than 7 years of experience in website applications, A person with a mixed type of thinking, inquisitive, flexible, devoted, enthusiastic and stress-resistant, responsible for taken obligations and persevering in achievement of setting tasks, capable to analyze great volume of information. I get on well with people and keep in touch with them quickly. Front-end experience: - Angular (All versions) - React - Knockout - Backbone - Sass - Less - CSS3 - HTML5 - JQuery - JavaScript - TypeScript - Responsive layouts - Karma, Jasmine - Cypress.io - GraphQl - Web scraping Back-end experience: - Databases: MongoDB, Firebase - Business logic, Web page rendering, RESTful APIs: Node.js
    Featured Skill React.js
    Jest
    Selenium WebDriver
    Firebase
    jQuery
    ExpressJS
    JavaScript
    TypeScript
    HTML5
    AngularJS
    Kendo UI
    Node.js
    React
    MongoDB
    CSS 3
  • $40 hourly
    • 4.8/5
    • (6 jobs)
    I am a Web Developer with +8 years of experience. GitHub: github.com/makamekm Main Languages: JavaScript, TypeScript, Java, C# Main Platforms: Web, NodeJS, Java, .NET, Desktop & Mobile Additional Platform: Unity, Godot Additional Languages: Python, PHP, GoLang --- I am a hands-on, highly competent software engineer with 8 years experience designing, programming and testing software across a variety of platforms. I have worked on numerous projects from concept to completion. A specialist in NodeJS, ReactJS, Angular. I have a lot of stuff in C# with .NET, Java, NodeJS, TypeScript, and so on. I also worked with PHP for several years. I take pride in coding to consistently high standards and regularly refresh my skills to ensure I keep up with ongoing developments. My main speciality is Fullstack Software Developer. I prefer to work with interfaces & microservices and make desktop applications. I know how to use animations and simplicity in UX. I can configure DevOps tools and I know how to build any modern pipeline for any application or microservices. --- Skills Summary: - JS, TypeScript, ReactJS, Angular, Meteor, ExtJS, jQuery, Vanilla JS, RobotFramework, Electron - NodeJS, Express, TypeORM, Bull, many other NPM packages - C++, C#, .NET, CORE, Visual Studio, RabbitMQ, Unit Testing - PHP, Composer - CSS, Less, Scss, Sass, Bootstrap - REST, GraphQL, RegExp - Swift, iOS, Xcode, Cocos2d, React Native - Visual Studio, Eclipse - Upsource, GitHub, GitLab - Unix / Linux, MacOS, Windows - MySQL, MSSQL, Redis, MongoDB - Docker, Kubernetes - Jest, Karma, Jasmine, TSLint, ESLint, Sonar (SonarQube), Selenium - TeamCity, Jenkins, Drone.io, GitLab.ci - Big Data & Cluster Processing with NodeJS - Hadoop & Spark with Java
    Featured Skill React.js
    Node.js
    TypeScript
    React
    C#
    Vue.js
    Java
    JavaScript
    Angular
  • $112 hourly
    • 5.0/5
    • (18 jobs)
    Top Rated Plus | 13 Years of Experience | Senior IEEE Member I’m a Fullstack Web Developer with 13+ years of experience building modern, fast, and scalable applications using React, Svelte, Node.js, and Next.js. My specialty is developing intelligent interfaces and automated systems that save time, reduce errors, and drive business growth. In the past few years, I’ve helped clients integrate AI-powered tools(OpenAI) into their apps, from content generators and smart dashboards to workflow automation and intelligent agents. If you're looking to turn complex ideas into usable products, I can help. Over the last 8 years, I’ve also led development teams, combining hands-on coding with strategic planning and cross-functional collaboration. 🔧 Highlights: ✅ 21 successful projects for 13 long-term clients 🤖 Automation and AI integrations (GPT, APIs, internal tools) 🔝 Top Rated Plus freelancer with 100% Job Success 👨‍💼 Former engineering manager – strong product and team thinking 🌍 Senior Member of IEEE & Raptors.dev Fellow Let’s build something smart — fast, secure, and designed to scale.
    Featured Skill React.js
    Git
    Next.js
    webpack
    HTML5
    Web Application
    HTML
    JavaScript
    TypeScript
    Redux
    React
    CSS 3
    CSS
    RESTful Architecture
  • $35 hourly
    • 5.0/5
    • (4 jobs)
    I am a seasoned SEO expert with an impressive 8-year journey in the digital marketing sphere. My expertise revolves around leveraging cutting-edge SEO strategies to elevate online visibility and drive business growth. 🔍 My SEO Toolkit 🔍 Throughout my career, I've mastered various popular tools, including: Google Analytics 📊: For insightful web traffic analysis. SEMrush 🔍: A versatile tool for keyword research and competitive analysis. Ahrefs 🔗: My go-to for backlink tracking and website audits. Moz Pro 📈: For comprehensive SEO metrics and insights. Yoast SEO ✅: Essential for WordPress site optimization. 📈 Niches I've Dominated 📈 I've applied my SEO prowess across 10 high-impact niches, including: Fashion 👗: Amplifying brand presence in the highly competitive fashion arena. E-commerce 🛒: Driving sales through targeted SEO strategies. Technology 💻: Enhancing online visibility for tech giants and startups. Healthcare 🏥: Ensuring medical services reach the right audience. Real Estate 🏡: Optimizing property listings for maximum exposure. Education 📚: Boosting online learning platforms and educational resources. Travel ✈️: Elevating travel experiences through strategic SEO. Food & Beverage 🍔: Enhancing the digital presence of F&B businesses. Finance 💰: Navigating the complex world of financial services SEO. Automotive 🚗: Accelerating online traffic for automotive brands. 🚀 My SEO Approach 🚀 As an SEO expert, I believe in a holistic approach, intertwining technical SEO, on-page optimization, and creative content strategies to deliver stellar results. My focus is on: Keyword Optimization 🔑: Targeting the right keywords for maximum impact. Content Creation ✍️: Crafting engaging, SEO-friendly content. Link Building 🔗: Establishing a robust backlink profile. User Experience (UX) 👥: Enhancing website usability for better engagement. 📊 Proven Results 📊 My strategies have consistently led to increased organic traffic, higher search engine rankings, and improved conversion rates. By staying abreast of the latest SEO trends and algorithm updates, I ensure sustainable, long-term success for my clients. ✅ Ready to Boost Your Online Presence? Let's connect and propel your brand to the top of the search results!
    Featured Skill React.js
    ExpressJS
    Web Development
    Web Application
    Vue.js
    Educational Software
    React
    React Native
    Mobile App Development
    Node.js
    Full-Stack Development
    VanillaSoft
    Property Management Software
    Content SEO
    Yoast SEO
    Off-Page SEO
    SEO-Based Website
    SEO Setup & Configuration
    All in One SEO
    SEO Competitor Analysis
    SEO Keyword Research
    Local SEO
    Technical SEO
    Ecommerce SEO
    SEO Performance
    SEO Strategy
    SEO Backlinking
    SEO Audit
  • $65 hourly
    • 5.0/5
    • (2 jobs)
    I am a diligent developer with over four years of experience in web development, who transforms design concepts into user-friendly applications efficiently. I specialize in Front-End development, with my primary stack revolving around React, MobX, Tailwind CSS to craft responsive and visually appealing user interfaces, but I also possess the flexibility to contribute to Back-End projects. My core expertise is in: Front-End: • Proficient in React.js (including React Hooks), JavaScript, React Router (or custom state-based routing), Tippy.js, Popper.js, React Datepicker, react-window, react-virtualized, and react-cool-virtual. • MobX and mobx-state-tree for efficient state management. • Tailwind CSS, Windi CSS, HTML5/CSS3, SCSS, and HTML5 Canvas for crafting stunning user interfaces. • Well-versed in Webpack, Vite, Jest, Yarn/NPM, Babel, and ESLint • Proficient in building RESTful API applications While my primary focus is Front-End, I also possess versatile knowledge in Back-End technologies: • Ruby, Clojure, Java, and Kotlin • Kafka • PostgreSQL These technologies empower me to contribute to Back-End development tasks, broadening my skill set and enabling me to work on a variety of projects.
    Featured Skill React.js
    Jest
    Mobx
    Front-End Development
    Tailwind CSS
    Ruby
    Ruby on Rails
    PostgreSQL
    AJAX
    JavaScript
    React
    CSS 3
    HTML5
    SCSS
  • $35 hourly
    • 5.0/5
    • (3 jobs)
    I am a Senior Full-Stack Engineer with over 8 years of experience in developing high-performance, secure, and scalable web applications, primarily in the financial technology (fintech) and AI-driven platforms sectors. My expertise spans from crafting interactive user interfaces to building robust backend services, and deploying applications in cloud environments. I bridge the gap between frontend and backend development to create seamless, end-to-end solutions that meet both business and technical requirements. 🖥️ Frontend Development I specialize in creating dynamic, responsive, and user-friendly interfaces using React, Angular, TypeScript, and JavaScript. My experience includes building real-time financial dashboards, investment tools, and responsive SPAs that handle large data sets while ensuring smooth performance. I focus on modular, reusable component-based architectures that are easy to maintain and scale. I also ensure that all applications are optimized for mobile devices and offer high accessibility and user-friendliness. 💻 Backend & Microservices On the backend, I develop scalable microservices using Java, Spring Boot, Python, and Spring Cloud. I’m skilled in building robust APIs (both REST and SOAP) and integrating them with complex systems. My expertise includes implementing secure authentication with JWT and OAuth2, crucial for protecting sensitive financial data. In fintech, I’ve worked extensively with ISO 20022, ensuring seamless communication between financial institutions. 🗃️ Databases & Cloud Infrastructure I have hands-on experience with both SQL (PostgreSQL, MySQL, MSSQL) and NoSQL databases (MongoDB, AWS DynamoDB), designing optimized schemas for performance under heavy data loads. I deploy applications in AWS, Azure, and GCP, using tools like Docker, Jenkins, and CI/CD pipelines to ensure efficient and secure deployment. This ensures smooth operation in a cloud-native, scalable environment. 🏦 Fintech & AI Expertise I am passionate about fintech applications, particularly payment gateways, investment tools, and KYC/AML systems. I integrate AI solutions into web applications to provide predictive analytics, personalization, and smart search capabilities, leveraging tools like OpenAI API and TensorFlow.js. 🤝 Soft Skills & Collaboration I am a proactive team player with strong communication skills, and I have worked in Agile/Scrum environments where collaboration and fast iterations are essential. I believe in clean code and follow best practices to ensure that the codebase remains maintainable, testable, and scalable. I understand the importance of delivering projects on time and within budget, and I am adept at collaborating with cross-functional teams, including designers, product managers, and backend developers, to bring projects to life. 🚀 Let’s build something great together! If you’re looking for a full-stack developer with a strong foundation in both fintech and AI, I’m ready to help you turn your project into a secure, scalable, and user-friendly solution. Reach out today, and let’s discuss your goals!
    Featured Skill React.js
    Machine Learning
    AI Development
    SQL
    REST API
    Spring Boot
    Python
    MongoDB
    MySQL
    Microsoft Azure
    Amazon Web Services
    TypeScript
    Angular
    React
    Spring Framework
    Java
  • $60 hourly
    • 4.8/5
    • (9 jobs)
    - 𝗨𝗽𝘄𝗼𝗿𝗸 𝗦𝗸𝗶𝗹𝗹 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 - 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 - 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 - 𝐓𝐨𝐩 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐨𝐟 𝐰𝐨𝐫𝐤 - 𝐅𝐮𝐥𝐥 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐥𝐢𝐟𝐞𝐜𝐲𝐜𝐥𝐞 (𝐟𝐫𝐨𝐦 𝐬𝐜𝐫𝐚𝐭𝐜𝐡 𝐭𝐨 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧) Experienced and client-oriented Team Lead with 10+ years experience and a proven track record of delivering the highest results. Expert in leading small teams to success by fostering collaboration, ensuring quality, and exceeding client expectations. Specialised in a wide array of modern technologies, I am dedicated to providing exceptional service and innovative solutions. Feel free contact with me to discuss details. 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐥𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 𝐚𝐧𝐝 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: - Javascript, TypeScript - React Native - Ionic 3/5 - ReactJS - NextJs - Angular 2+ - Shopify (Shopify theme, Amazon, eBay, Etsy, Stripe, Mollie - Przelewy24, Mollie-Ideal, Shopify Payment, PayPal) - NodeJs - NuxtJS - PHP - Python - MongoDB - MySQL 𝐑𝐞𝐥𝐚𝐭𝐞𝐝 𝐭𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: - GraphQL, Apollo Client - Redux - REST API - CI/CD (Bitrise, AppCenter) - Firebase, Firebase Cloud functions, Firebase Database - HTML5, CSS3, Sass, Tailwind CSS - RxJS, - NgRx - Storybook - Ant Design
    Featured Skill React.js
    Front-End Development
    Redux
    Web Development
    React
    Mobile App Development
    Push Notifications
    JavaScript
    iOS
    Firebase
    Angular
    TypeScript
    React Native
    iOS Development
    Android
  • $35 hourly
    • 5.0/5
    • (8 jobs)
    I'm a Python Full Stack Developer with 6+ years of hands-on experience in both web development and backend engineering. I build scalable APIs and responsive interfaces using Python (Django, FastAPI), JavaScript (React, Vue), PostgreSQL, Docker, and AWS. Whether I’m integrating third-party tools, setting up data pipelines, or creating admin dashboards — I write clean, testable code that solves real business problems. I've worked with startups and growing tech companies on products related to e-commerce, crypto, education, and enterprise automation. 🔹 Expert in backend logic, microservices, and RESTful APIs 🔹 Experienced in data processing, lightweight data science flows, and data entry handling for business logic 🔹 Focused on long-term, full-time engagements where I can take ownership and deliver value If you're looking for a reliable Python Full Stack Developer, backend developer, or web developer to help grow your product — let’s talk!
    Featured Skill React.js
    Full-Stack Development
    Docker
    MongoDB
    PostgreSQL
    Back-End Development
    Web Development
    React Native
    Vue.js
    React
    JavaScript
    TypeScript
    FastAPI
    Flask
    Django
    Python
  • $60 hourly
    • 5.0/5
    • (5 jobs)
    As an expert in constructing dApps for EVM-compatible blockchains like Ethereum, BNB Smart Chain, Polygon, Songbird, Flare, etc., I can help you with various needs, whether it's creating your token, setting up staking, organizing airdrops, developing an NFT collection, establishing a DAO, or anything else. Feel free to drop me a message, and let's kickstart the project!
    Featured Skill React.js
    Cryptocurrency
    Smart Contract
    NFT
    Next.js
    Ethereum
    ERC-20
    React
    Blockchain
    Solidity
    Web Development
    TypeScript
  • $40 hourly
    • 5.0/5
    • (2 jobs)
    Machine learning scientist/engineer with couple years of experience in software development, deep learning, computer vision, data analysis. I am familiar with tech stacks on data science/engineering and app development mentioned below. Front-end: React, nodejs Back-end: API Development, API Integration, micro services, serverless ML / Data science: PyTorch, Keras, Python Scikit-Learn, Numpy, Pandas, OpenCV Databases: PostgreSQL, Milvus Web scraping: Selenium, Beautifulsoup Cloud: AWS, GCP
    Featured Skill React.js
    PostgreSQL
    Amazon EC2
    API
    Database
    Git
    AWS Development
    Docker
    React
    Flask
    pandas
    Python Scikit-Learn
    NumPy
    Python
    Data Science
    Machine Learning
  • $40 hourly
    • 5.0/5
    • (5 jobs)
    Full-Stack .NET developer with 5 years of experience. Experienced developer specializing in crafting websites and services for medium to large enterprises. My expertise lies in .NET, React, and Azure, with a predominant focus on developing robust integrations and automations. Understanding the importance of clear communication, I actively engage with clients to set realistic milestones and expectations, ensuring high-quality outcomes and satisfied partnerships.
    Featured Skill React.js
    .NET Core
    API
    Web Services Development
    Web Service
    Microsoft Azure
    RESTful API
    Microservice
    Web Application
    React
    .NET Framework
  • $49 hourly
    • 5.0/5
    • (2 jobs)
    Enthusiast of computer science, mathematics and the Mediterranean basin. Student of mathematics at the Jagiellonian University in Krakow, Poland. Experienced in software development 2+ years, looking for side jobs.
    Featured Skill React.js
    REST API
    JavaScript
    React
    Docker
    PostgreSQL
    Spring Boot
    Java
  • $40 hourly
    • 5.0/5
    • (3 jobs)
    Hey, I am 𝐃𝐌𝐘𝐓𝐑𝐎 who have With over 𝟕+ years of rich experience 𝐖𝐞𝐛𝟑 DAPP, 𝐒𝐦𝐚𝐫𝐭 𝐂𝐨𝐧𝐭𝐫𝐚𝐜𝐭 and 𝐁𝐨𝐭 development. With more than 50+ successful projects under my belt, I am an expert in developing dependable, scalable, and secure blockchain applications. My focus is on ensuring client satisfaction and maintaining open, transparent communication. 💎 Front-End development • 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React, Next.js, TailwindCSS, TypeScript • 𝐖𝐞𝐛𝟑 : Ethers.js, Wagmi, Solana Web3 • 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Python, Go, Rust, Func, Move, GraphQL, 💎 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 & 𝐒𝐦𝐚𝐫𝐭 𝐂𝐨𝐧𝐭𝐫𝐚𝐜𝐭 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • 𝐄𝐕𝐌-compatible chain: Lido Fi, UniSwap, Lending Borrowing and Tax Token smart contract • 𝐒𝐨𝐥𝐚𝐧𝐚 chain: Pump Fun, Raydium, Moonshot, Token launch platform and various programs • 𝐌𝐞𝐦𝐞 𝐂𝐨𝐢𝐧: meme coin launchpad and bot service with Jito bundle, • 𝐓𝐫𝐚𝐝𝐢𝐧𝐠 𝐄𝐜𝐨𝐬𝐲𝐬𝐭𝐞𝐦: AI Agent, Trading bots, Buy/Sell bots, Sniper bots, Market making bots on Base, Solana, Ton, Tron etc. 💎 𝐒𝐮𝐩𝐩𝐨𝐫𝐭𝐞𝐝 𝐂𝐡𝐚𝐢𝐧s - EVM (Ethereum, BSC, Polygon, Base, Blast, PulseChain etc) - Solana - SUI -Tron - XRP - Non-EVM (Solana, Cosmos, Terra Classic, Polkadot, Stellar etc) Whether you're developing a blockchain application or facing any technical obstacles, let's work together and see how we can use innovative blockchain solutions to achieve your goals.
    Featured Skill React.js
    NFT Marketplace
    Utility Token
    Blockchain Platform
    DApp Development
    MongoDB
    Smart Contract Development
    Reward Token
    TradingView
    Web3
    Golang
    JavaScript
    React
    Bot Development
    Web Development
    Blockchain Architecture
  • $45 hourly
    • 4.8/5
    • (18 jobs)
    Hi, I'm Serhii, a senior software engineer and team lead with over 15 years of experience building high-performing, scalable web applications. I specialize in JavaScript, Python, and Golang, creating cutting-edge solutions that deliver results. 🔹 What I Bring to the Table I develop, architect, and optimize custom software solutions, ensuring scalability, security, and efficiency. My expertise includes: ✅ Frontend Development: React.js, Next.js, Redux, Angular, React Native ✅ Backend Development: Node.js, Nest.js, Django, Golang, PHP, Laravel, Symphony ✅ Cloud & DevOps: AWS (S3, EC2, SES, SQS, Lambda), Google Cloud, CI/CD, Docker, Kubernetes ✅ Database & API Management: PostgreSQL, MySQL, MongoDB, RabbitMQ, Redis ✅ Blockchain & Web3: Ethereum.js, Solidity, MetaMask API, IPFS ✅ Project Management & Leadership: Sprint Planning, Code Review, Architecture Design, Mentoring 🛠 My Project Experience I've successfully delivered complex solutions for startups and enterprises, including: 🔹 Viewport – Immersive tech solutions for data visualization 🔹 Kizen – AI-powered CRM for enterprise analytics and marketing automation 🔹 Aquaty – A decentralized venture capital platform for founders and investors 🔹 Huntengo – A social marketplace and networking app for hunters 🔹 Mini YouTube – Secure video conferencing and distributed media storage 🔹 NowLifestyle, GotBackup, Branded, PureLeverage – Scalable e-commerce and SaaS platforms 🚀 How you get started: 1️⃣ Intro Call – We discuss your goals, pain points, and success metrics. 2️⃣ Architecture & Development – I design a solution tailored to your business needs with clean, efficient code. 3️⃣ Testing & Optimization – Ensuring performance, security, and smooth UX. 4️⃣ Deployment & Support – Launching your product and ensuring long-term reliability. 📩 Let’s Build Something Great Together!
    Featured Skill React.js
    NestJS
    FastAPI
    Redux
    Next.js
    React
    PostgreSQL
    Django
    Python
    CSS 3
    MySQL
  • $35 hourly
    • 4.9/5
    • (17 jobs)
    Hello and welcome! My name is Liubomyr and I'm a front-end developer with over 8 years of commercial experience in the field. Technical skills: ✔️ Pure Javascript; ✔️ React.js and Redux; ✔️ Vue.js and Vuex; ✔️ Responsive mobile-first layouts, HTML/CSS, preprocessors SCSS/SASS, LESS; ✔️ Techniques to write scalable and maintainable CSS: BEM, SMACSS, CSS modules; ✔️ Site loading performance optimization; ✔️ PHP; ✔️ MySQL/MariaDB/Mongo; ✔️ Wordpress, Opencart CMS; Build tools: ✔️ Webpack; ✔️ Gulp; Other tools I use: ✔️ Git (Github, Bitbucket) ✔️ Jira, Trello; ✔️ PhpStorm; I'm available up to 25 hours per week. Regards, Liubomyr
    Featured Skill React.js
    Vuex
    Redux
    WordPress
    HTML5
    JavaScript
    React
    SCSS
    Vue.js
    CSS
    LeSS Framework
  • $50 hourly
    • 5.0/5
    • (3 jobs)
    ✔️ +14 years of experience ✔️ Wide technology stack ( Laravel | Symfony | React | Vue | Docker | and many more ) ✔️ Ecommerce domain ( Shopify | WooCommerce | Magento | Opencart etc ) Hello, I'm Vitalii. I have been working as web developer for a long time and have wide experience in the field. I have worked as a part of a large companies and small startups, as a team member and as an individual freelancer. I'm keen on programming and self-education and wide open to a new experience in software development.
    Featured Skill React.js
    Doctrine ORM
    Linux
    Docker Compose
    Shopify
    API
    PHPUnit
    React
    Git
    JavaScript
    CSS
    jQuery
    Symfony
    Laravel
    PHP
  • $40 hourly
    • 5.0/5
    • (10 jobs)
    🚀 Senior Full Stack Architect Delivering Enterprise-Grade Solutions ✅ 15+ years building scalable SaaS platforms that drive business growth ✅ Specialized in complex B2B systems with robust architecture ✅ Symfony & React expert focused on performance, security & maintainability ✅ Proven track record of 10+ successful enterprise projects delivered on time 🚀 Why Clients Choose Me: 📈 Business-Focused Development I translate your business requirements into technical solutions that deliver measurable ROI, not just code. 🛠️ Technical Excellence Clean, documented code with comprehensive testing. My solutions are built to scale and adapt as your business grows. 🔄 Transparent Process Clear communication, detailed progress reports, and no surprises. You'll always know exactly where your project stands. Core Technical Expertise: - Backend: PHP 8.4, Symfony Framework, RESTful & GraphQL APIs - Frontend: TypeScript, React, Material UI, responsive design - Database: PostgreSQL, MySQL - DevOps: Docker, CI/CD, AWS, cloud infrastructure My Approach: I begin each project with a thorough analysis of your business needs, then architect solutions that balance immediate requirements with long-term scalability. My documentation ensures your team can maintain and extend the system long after delivery. Perfect For: ✓ SaaS platform development & optimization ✓ Complex B2B system architecture ✓ API development & third-party integrations ✓ Legacy system modernization Let's discuss how I can turn your business challenges into technical solutions that drive growth. Maks Pustynnikov Founder, Laspra Soft
    Featured Skill React.js
    Full-Stack Development
    Node.js
    Web Design
    React
    WordPress
    HTML
    CSS
    JavaScript
    Web Development
    MySQL
    Python
    API Integration
    API
    PHP
    Symfony
  • $45 hourly
    • 5.0/5
    • (8 jobs)
    I am a software developer and a software consultant solving complex problems with technology. I connect digital strategy and execution, helping my clients to strengthen their core business, scale with flexibility and create seamless digital experiences. I partner with my clients to continuously evolve their tech and enable an adaptive mindset to meet their business goals.
    Featured Skill React.js
    Serverless Computing
    Google Chrome Extension
    Websockets
    Three.js
    Next.js
    Google Cloud Platform
    Docker
    Amazon Web Services
    Node.js
    React
    JavaScript
    Python
    TypeScript
    Firebase
    React Native
  • $60 hourly
    • 5.0/5
    • (39 jobs)
    I am WordPress Expert and Full Stack Web Developer owner of WordPress Agency (Silver WordPress VIP Partner and Silver WooCommerce Partners). Here is what I offer: ✅ 15+ years of experience in Web ✅ Consulting and advising clients on the best approach for their business ✅ Amazing WordPress Back-End & Front-End skills and experience As the CEO of a leading #WordPress agency IT Monks, I am passionate about delivering performance-driven and high-quality web solutions. I find immense joy in crafting customized web development strategies that make a powerful, enduring impact. My journey has shown me the significance of blending professionalism with a relatable, friendly approach. So, whether we're exploring the latest tech trends or sharing insights about web design, I am always ready for a vibrant conversation. My expertise lies in advising businesses on how to boost their online visibility and maximise their digital investment. We will delve into your unique requirements, exploring the most beneficial website type for your business needs. My ultimate aim? To create web experiences that leave a lasting impression and skyrocket your digital presence. To achieve this, I engage intimately with my clients, immersing myself in their processes and fine-tuning them to enhance profits and deliver exceptional results. Let's partner up to craft something extraordinary! I eagerly await the opportunity to connect with other innovative minds and, together, make the web a more compelling place!
    Featured Skill React.js
    Angular
    Laravel
    Vue.js
    React
    Search Engine Optimization
    Twitter/X Bootstrap
    PSD to HTML
    Python
    PSD to WordPress
    PHP
    WordPress Plugin
    JavaScript
    HTML5
    WordPress
    CSS 3
  • $42 hourly
    • 4.9/5
    • (34 jobs)
    As a seasoned software developer with extensive experience in building high-performance web APIs and sophisticated desktop applications, I specialize in creating intuitive and visually appealing user interfaces. My expertise in Windows Presentation Foundation (WPF) allows me to enhance your existing applications by implementing the MVVM pattern, improving input validation, and swiftly addressing bugs and critical errors to boost efficiency and user experience. I also offer comprehensive services to develop, deploy, and manage web applications on Azure, leveraging the latest technologies to ensure scalable, secure, and cost-effective solutions. Skills: Programming Languages: C#, Javascript, TypeScript, Rust. Frameworks & Libraries: Expert in ASP.NET Core, WPF (Windows Presentation Foundation), and Blazor. Web Development: Skilled in designing and developing RESTful APIs with ASP.NET Core Web API. Database Management: Experienced with Entity Framework and Microsoft SQL Server for robust database solutions. Cloud Services: Competent in deploying and managing applications on Azure, including the use of Azure Pipelines for continuous integration and deployment. Also I have experience in CI/CD cycle using AWS + GitLab. Containerization & Orchestration: Proficient in using Docker and Kubernetes to enhance application scalability and manageability. Development Tools: Well-versed in Visual Studio, Rider, Visual Studio Extensions, and Expression Blend for a streamlined development process. Other Technologies: Knowledgeable in Google Apps Script and ArcGIS for specialized application needs.
    Featured Skill React.js
    XAML
    Model View ViewModel
    Blazor
    Transact-SQL
    ASP.NET Core
    Windows Presentation Foundation
    Redux
    JavaScript
    React
    Git
  • $45 hourly
    • 5.0/5
    • (2 jobs)
    Fullstack JavaScript Developer | React, Node.js (NestJS, Express) | Typescript | MongoDB, PostgreSQL, Redis | RabbitMQ | 8+ Years of Experience I’m a fullstack JavaScript developer with 8+ years of experience building modern, scalable, and maintainable web applications. I specialize in React, TypeScript, Node.js — and I’ve worked with a wide range of SaaS startups across various industries. Whether it’s frontend, backend, or anything in between, I can jump in and deliver exactly what your project needs. I’m highly detail-oriented and take pride in writing clean, efficient, and reliable code that supports long-term growth and smooth user experiences. What I offer: • Fullstack development using React, TypeScript, Node.js, and NestJS • Fast onboarding and adaptability to any project structure or team workflow • Strong communication and reliability — I deliver on time and ask the right questions • A developer who can independently take features from idea to production
    Featured Skill React.js
    Elasticsearch
    RabbitMQ
    NestJS
    PostGIS
    MeteorJS
    Redis
    PostgreSQL
    Node.js
    GraphQL
    MongoDB
    React
    TypeScript
    JavaScript
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