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$40/hr
100% Job Success
$600+ earned
Available now
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Looking for a Frontend React developer who can build scalable SaaS products instead of just writing components? Our team has spent years delivering production-ready web applications, internal platforms, healthcare systems, AI products, analytics dashboards, marketplaces, CRM solutions, logistics software, and operational tools using modern Frontend technologies Key agency metrics: 100+ successful software projects 15+ production SaaS platforms delivered $100K+ earned on Upwork 5+ years average developer experience 20+ engineers in the team 15+ industries served As a React developer, we build interfaces that remain fast, maintainable, and easy to extend as products grow. Every frontend React project we deliver is designed around reusable architecture, clean component structure, performance optimization, and seamless collaboration with backend teams A strong React frontend developer understands that beautiful UI is only one part of a successful product. We focus equally on application architecture, business workflows, scalability, API integrations, and long-term maintainability. Whether we're joining an existing engineering team or building an application from scratch, our goal is to create software that continues to evolve with your business As a React developer, we've delivered complex SaaS applications across healthcare, logistics, HR Tech, ecommerce, investment platforms, AI products, analytics systems, internal business operations, procurement software, CRM platforms, and customer portals. Many of these projects required collaboration with backend developer teams, cloud infrastructure specialists, product managers, and designers to deliver complete production systems Our experience as a frontend React team includes React, Next.js, TypeScript, modern JavaScript, REST APIs, GraphQL integrations, responsive design systems, dashboard development, authentication, role-based permissions, real-time interfaces, complex forms, data visualization, reusable component libraries, and enterprise frontend architecture Many clients initially searched for a web developer, but quickly realized they needed a senior React developer capable of understanding product architecture, user experience, and business processes. We frequently collaborate with full stack developer teams, backend developer teams, AI engineers, DevOps specialists, and product owners to deliver complete software solutions Our portfolio includes AI-powered healthcare platforms, operational dashboards, customer portals, ecommerce platforms, logistics systems, analytics platforms, procurement software, CRM systems, document processing platforms, investment software, and marketplace products. These projects required building sophisticated frontend React applications connected to modern APIs, cloud infrastructure, AI services, authentication providers, payment systems, and third-party integrations Although our primary specialization is React, we regularly work alongside Python developer teams, backend developer teams, and full stack developer teams to build complete end-to-end applications. This allows us to understand backend constraints and design frontend architectures that remain scalable as products grow We also modernize existing products by migrating legacy applications to React, replacing outdated interfaces, improving performance, introducing reusable design systems, and reducing technical debt. Many businesses originally hired a web developer before realizing they required an experienced frontend developer capable of handling enterprise-scale applications Our frontend React expertise covers dashboards, admin panels, internal tools, healthcare portals, AI interfaces, operational platforms, analytics products, customer portals, marketplace applications, ecommerce systems, reporting solutions, inventory platforms, and business management software Depending on project requirements, we also collaborate with specialists experienced in Vue, Angular, WordPress, Webflow, and React Native Developer projects. While React remains our primary focus, understanding adjacent ecosystems helps us migrate existing products and integrate with legacy systems Our engineers work daily with modern JavaScript, TypeScript, React, Next.js, API integrations, authentication providers, cloud services, testing frameworks, CI/CD pipelines, and scalable frontend architecture. Every React developer on our team follows engineering best practices including component reusability, accessibility, performance optimization, and maintainable code organization If you're looking for a React Frontend developer who understands business applications—not just UI components—we'd be happy to discuss your product. Whether you need a senior frontend React specialist, an experienced frontend developer, support for an existing engineering team, or a complete product built alongside full stack developer and backend developer teams, we can help turn your idea into production-ready software
Krasty Soft
Associated with
Krasty Soft
$100K+
earned
$40/hr
100% Job Success
Offers consultations
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🤝 Collaborative approach — I treat every project like it’s my own product 📈 Focus on business results, not just code ⚙️ End-to-end delivery — from planning to deployment and post-launch support 🧩 Deep understanding of client needs before starting development 👉🟢 Tap the "𝐈𝐍𝐕𝐈𝐓𝐄" button and let’s start working together!! Charlotte ⭐⭐⭐⭐⭐: "Valentyn was excellent to collaborate with—the project was completed efficiently, on time, and communication was seamless. This was our first project together, and I am looking forward to hiring him for more Laravel tasks in the future." Jackson ⭐⭐⭐⭐⭐: "Valentyn delivered exceptional work and was very responsive to my needs, often suggesting better solutions that enhanced the final result. I would always hire him again for future projects." 💻 My Services: ▪️ Laravel + PHP Development: Building scalable and secure web applications using Laravel and PHP. 🔧 ▪️ React Development: Creating interactive and responsive front-end applications with React. ⚛️ ▪️ Payment Integrations: Seamlessly integrating payment gateways for secure transactions. 💳 ▪️ End-to-End Website Solutions: From design to deployment, I handle the full development cycle. 🌐 ▪️ Performance Optimization: Ensuring fast and efficient websites with top-tier speed. ⚡ ▪️ SEO Optimization: Enhancing your site's visibility with basic SEO for better rankings. 📈 ▪️ Clear Communication & Smooth Collaboration: Transparent processes from start to finish. 🗣️ 📝 Work steps: 1️⃣ Client Discovery: Understanding client goals and project requirements. 2️⃣ Preparation: Analyzing potential challenges and solutions. 3️⃣ Development: Full-scale development using technologies tailored to the project’s needs. 4️⃣ Testing & Quality Assurance: Ensuring functionality through thorough testing. 5️⃣ Deployment & Support: Project launch and ongoing support to maintain and improve performance. 🛠️ Backend: ▪️ Laravel / Livewire ▪️ PHP ▪️ OOP / MVC / Design patterns ▪️ RESTful API ▪️ Webhooks 🛠️ Frontend: ▪️ Javascript / jQuery / Alpine.js / Inertia ▪️ React.js / Redux / Zustand ▪️ TypeScript ▪️ HTML5 / CSS3 / LESS / SASS / SCSS ▪️ Material UI / Bootstrap UI ▪️ Vite / Webpack ▪️ CKEditor 🛠️ API Integrations: ▪️ PayPal, Stripe (and similar integrations) ▪️ Auth: Google, Facebook, TikTok, Telegram (and similar integrations) Ready to kick things off? 👉🟢 Tap the "𝐈𝐍𝐕𝐈𝐓𝐄" button and let’s start working together!! Best regards, Valentyn Humenchuk KEYWORDS: Laravel Web Development, Laravel E-commerce Solutions, Laravel API Development, Laravel Custom Web Development, Laravel CMS Development, Laravel Application Development, Laravel Backend Development, Laravel Full Stack Development, Laravel Web Design, Laravel Frontend Development, Laravel MVC Architecture, Laravel Rest API Development, Laravel Mobile App Integration, Laravel Database Management, Laravel Responsive Design, Laravel Secure Web Development, Laravel Social Media Integration, Laravel SEO Optimization, Laravel Performance Optimization, Laravel Real-time Applications, Laravel Cloud Application Development, Laravel Project Management Tools, Laravel SaaS Development, Laravel Integration with Third-party Services, Laravel Payment Gateway Integration, Laravel Multilingual Websites, Laravel Automated Testing, Laravel Agile Development, Laravel Microservices Architecture, Laravel CRUD Operations, Laravel Dynamic Content Management, Laravel Theme Development, Laravel Data Migration Services, Laravel User Authentication, Laravel User Authorization Systems, Laravel Single-page Applications, Laravel Data Encryption, Laravel Code Refactoring, Laravel Website Maintenance, Laravel Laravel Lumen Development, Laravel SEO-friendly Web Development, Laravel Web Application Security, Laravel Laravel Passport Integration, Laravel Task Automation, Laravel Multi-platform Development, Laravel Data Visualization, Laravel User Experience Optimization, Laravel Interactive Web Features, Laravel Real-time Notifications, Laravel Push Notification Services, Laravel Content Management Systems, Laravel Laravel Nova Development, Laravel GraphQL Integration, Laravel Event-driven Development, Laravel Continuous Integration, Laravel Serverless Architecture, Laravel Website Load Balancing, Laravel Web Performance Tuning, Laravel Page Speed Optimization, Laravel Cloud Deployment.
Valentyn H. has worked .
$25/hr
$6K+ earned
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💻 Senior Full Stack Developer ⚡ 5+ Years of Experience 🚀 10+ Successfully Delivered Projects 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 ⚛️ React.js ▲ Next.js 📘 TypeScript 🔄 Redux 🕸️ GraphQL 🔌 REST API 🎨 HTML5 / CSS3 / SCSS 🧩 Material UI / Bootstrap 📦 Webpack 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 🟢 Node.js 🏗️ NestJS / Express.js 🗄️ PostgreSQL / MongoDB 🔐 JWT Authentication ⚡ SocketIO ☁️ AWS / Firebase / Heroku 🔗 REST APIs & Integrations 𝗠𝗼𝗯𝗶𝗹𝗲 📱 React Native 🚀 Expo / React Native CLI 🍎 iOS / 🤖 Android 🧪 TestFlight / Firebase Distribution 🛠️ Android Studio / Xcode / VSCode
Yevheniia B.
$35/hr
100% Job Success
$100K+ earned
Available now
Offers consultations
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🔥 10+ years in engineering | Top Rated Plus | 100% JSS 👉 𝐇𝐢𝐭 𝐈𝐍𝐕𝐈𝐓𝐄 𝐓𝐎 𝐉𝐎𝐁 𝐨𝐫 𝐒𝐄𝐍𝐃 𝐌𝐄𝐒𝐒𝐀𝐆𝐄 — I reply fast with a clear technical approach, realistic scope, and actionable next steps tailored to your product. ✅ 100+ successful projects delivered ✅ Full expertise across frontend, backend, DevOps, and architecture ✅ Access to a full engineering team at CHI Software ❗️Available immediately 👋 Hi, I’m a Senior Full-Stack Engineer, Solution Architect, and Technical Partner with 10+ years of experience building scalable digital products. I help startups, SaaS companies, and growing businesses turn complex product ideas into stable, high-performance systems that are ready for production and built to scale. With 100+ successful projects delivered, Top Rated Plus status, and 100% Job Success, I bring both hands-on engineering depth and access to a full engineering team at CHI Software when projects require broader execution. My core expertise covers full-stack web development, backend architecture, cloud infrastructure, DevOps, performance optimization, and AI-powered product features. On the frontend, I build fast, SEO-optimized applications with React and Next.js, using SSR, SSG, ISR, caching strategies, and modern rendering patterns to improve load time, search visibility, and user engagement. On the backend, I work with Node.js, NestJS, and Express to design secure, scalable systems using PostgreSQL, MongoDB, Prisma, microservices, queues, and clean API architecture. I also work deeply with AWS, Docker, CI/CD pipelines, serverless services, and production infrastructure, helping products launch faster, run more reliably, and grow without constant rewrites. What makes my work valuable is that I do not approach projects as “just development.” I approach them as systems. That means I think about architecture, long-term maintainability, performance under load, security, product goals, and how each technical decision will affect the future cost and speed of the business. Whether I’m building a SaaS platform, internal business tool, customer-facing marketplace, or AI-powered workflow product, my focus is always the same: create engineering foundations that are stable, scalable, and commercially useful. I also specialize in AI integrations and intelligent product features. This includes OpenAI-powered chatbots, semantic search, automated content tools, smart workflows, and custom AI-assisted interfaces. I don’t treat AI as a trendy add-on. I integrate it where it creates measurable product value, fits naturally into the system, and improves the user experience in a real way. In security-sensitive environments, I work with authentication and authorization systems including OAuth2, JWT, RBAC/ABAC, encrypted data flows, and audit logging to ensure that applications are secure, compliant, and production-ready. Over the years, I’ve delivered solutions across SaaS, fintech, healthcare, e-commerce, internal enterprise tools, and custom web platforms. My engineering work has produced measurable results, including reducing API latency by 60%, improving page load times by 75%, scaling platforms to support 10x more concurrent users, achieving 99.99% uptime with AWS and Docker-based infrastructure, building HIPAA-compliant data pipelines, and improving data processing speed by 300%. I’ve also helped e-commerce products reduce cart abandonment, SaaS products improve system stability, and operational platforms automate workflows that previously required significant manual work. I’m strongest on projects where the technical side needs maturity: products with growing user bases, messy architecture, scaling pain, performance issues, unreliable deployments, or ambitious new features that need to be implemented the right way from the beginning. I can step in at different levels depending on the need: from direct development and technical leadership to architecture planning, technical audits, MVP definition, infrastructure setup, and long-term product scaling. If you’re looking for a Full-Stack Developer, Senior Node.js Engineer, React Developer, Next.js Expert, Backend Architect, AWS Developer, DevOps-minded engineer, or technical partner who can build strong systems and think beyond tickets, you’re in the right place. 📩 Invite me to your project and I’ll respond with a tailored technical approach, realistic estimate, and practical next steps.
CHI Software
Associated with
CHI Software
$100K+
earned
$23/hr
100% Job Success
$10K+ earned
Available now
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Skilled 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 Engineer. I work mainly with Microsoft tools. Create strong, growing, and fast web applications using 𝐂# and .𝐍𝐄𝐓, along with modern ways to build the front end, like 𝐀𝐧𝐠𝐮𝐥𝐚𝐫 and 𝐑𝐞𝐚𝐜𝐭. I know all parts of making an application, from how the data is stored and how it's shared, to making good-looking and easy-to-use interfaces. 𝐈 𝐡𝐚𝐯𝐞 𝐰𝐨𝐫𝐤𝐞𝐝 𝐰𝐢𝐭𝐡 𝐯𝐚𝐫𝐢𝐨𝐮𝐬 𝐟𝐢𝐞𝐥𝐝𝐬, 𝐢𝐧𝐜𝐥𝐮𝐝𝐢𝐧𝐠: 🛒 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞: I have made and improved online shops. This includes connecting payment systems (like Stripe, PayPal), making shopping carts work, and managing what is in stock. I have made these shops work better, so more people buy things. (Example: Increased average order value by 15% through personalized product recommendations.) 💳 𝐅𝐢𝐧𝐭𝐞𝐜𝐡: I have built safe money applications, like online banks, payment systems, and ways to see financial data. I made sure these followed the rules and were very secure. 🏥 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞: I have created applications that follow health rules for managing patients, booking appointments, and keeping health records. I focused on making these easy to use and keeping the data safe. 🚚 𝐋𝐨𝐠𝐢𝐬𝐭𝐢𝐜𝐬: I have designed applications for planning the best routes, tracking where things are, and managing how goods are moved. This has made deliveries much more efficient. (Example: Reduced delivery times by 20% with optimized routing algorithms.) In addition, I have built and looked after many 𝐒𝐚𝐚𝐒 applications using .NET. 🛠️ 𝐓𝐡𝐚𝐭’𝐬 𝐰𝐡𝐚𝐭 𝐈’𝐦 𝐬𝐤𝐢𝐥𝐥𝐞𝐝 𝐢𝐧: 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: C#, .NET Framework, .NET Core, ASP.NET (MVC, Web API), Entity Framework, SQL Server, RESTful API design and development, Web API, gRPC, Dependency Injection, LINQ, ORM 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: JavaScript, TypeScript, Angular, React, HTML5, CSS3, State Management (Redux, NgRx), UI/UX Design, Responsive Design, SPA 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: SQL, NoSQL, Database Design, Stored Procedures, Optimization 𝐂𝐥𝐨𝐮𝐝: Azure, AWS, Docker, Kubernetes 𝐎𝐭𝐡𝐞𝐫: Git, Agile, CI/CD, Unit Testing, Microservices Architecture, WebSocket 𝐋𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤 about what you need and how my skills can help you succeed. Please contact me to discuss your project! 𝐁𝐞𝐬𝐭 𝐰𝐢𝐬𝐡𝐞𝐬, 𝐎𝐫𝐞𝐬𝐭 Below are mentioned keywords so you could find me easier :) .NET Core, .NET Framework, .NET Web API, .NET to Laravel migration projects, AI App Development, AI design tools, API, API Development, API Integration, API microservices, ASP.NET, ASP.NET 4.8 Web Forms, ASP.NET Core, ASP.NET MVC, ASP.NET Web API, Angular, Angular 15+, AngularJS, Auth0, Blazor, Bootstrap, Bruno, C#, C++, CSS, CSS3, Database Design, Database Development, Database Optimization, Desktop Application, Docker, Domain-Driven Design, Entity Framework, Excellent communication and collaboration abilities, Figma, Sketch, or similar, Front-End Development, Full-Stack Development, GDPR, Google Calendar API, GraphQL, HTML, HTML5, JSON, Java, JavaScript, Microservice, Microsoft Azure, Microsoft IIS, Microsoft SQL Server, Microsoft SQL Server Programming, Microsoft Visual Studio, MongoDB, MySQL, Network programming, Node.js, Nuxt.js, PHP, PostgreSQL, Proven track record of large-scale platform redesign projects, Python, QWBC, QuickBooks Enterprise, RESTful API, React, React Native, Responsive Design, Salesforce App Development, Salesforce Lightning, SEO optimization, Software Architecture & Design, SQL, Strong analytical and problem-solving skills, Telerik, TypeScript, UX & UI, User Interface Design, VB.NET, Web Application, Web Design, Web Development, Web development principles, Windows App Development, XML, Adobe Photoshop, Amazon EC2, Amazon Web Services, Azure DevOps, jQuery, backend.
Inforce.digital
Associated with
Inforce.digital
$90K+
earned
$35/hr
92% Job Success
$100K+ earned
Start of list.
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Hey there! 👋 I'm a seasoned Front-End developer with 6+ years, specializing in Angular and Ionic with a proven track record in delivering top-notch web applications. With a passion for clean, efficient code and a knack for problem-solving, I'm dedicated to crafting high-quality solutions that exceed expectations. My expertise spans across: ✅Front-end: Leveraging Angular, Ionic to create intuitive and responsive user interfaces. ✅Design and Styling: Proficient in HTML, CSS, SCSS, LESS to ensure sleek and engaging designs. ✅Database Management: Experience working with Firebase, MongoDB, PostgreSQL and for efficient data handling. I thrive in collaborative environments and take pride in delivering projects that not only meet but exceed client requirements. Let's team up to transform your ideas into impactful, scalable applications. Looking forward to discussing how I can contribute to your project's success!
Andrii D. has worked .
Rostyslav Y.
$20/hr
100% Job Success
$10K+ earned
Available now
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Free 30-min audit: I'll review your current workflow and show you exactly where AI can save you time and money. 50+ projects delivered. 15+ industries. Let's build something smart. I specialise in building intelligent systems that combine robust web development with AI so you get not just apps, but solutions that automate processes, boost efficiency and open up real growth. From LLM integration and AI agents to RAG systems and full stack development I handle it all, from concept to deployment. My clients across 15+ industries have reduced operational costs by up to 40% and cut time-to-market by 30%. My solutions run at 99.9% uptime and handle 1M+ requests per month. Whether you need an intelligent chatbot, a data automation system, or a scalable web app I translate complex business requirements into clean, working solutions. What I work with: Full Stack: React, Node.js, Python (Django, Flask), TypeScript, PostgreSQL, MongoDB, REST APIs, Microservices AI/ML: LLM Integration, RAG, Prompt Engineering, OpenAI API, LangChain, Fine-tuning, AI Agents Cloud & DevOps: AWS (Lambda, S3, EC2, SageMaker), Azure, Docker, Kubernetes, CI/CD, Serverless Automation: n8n, Zapier, Custom Workflow & Business Process Automation Leadership: Agile, Technical Lead, Solution Architecture, System Design Start with a free audit message me and we'll find exactly where AI can make the biggest impact for your business.
Rostyslav Y. has worked .
$20/hr
100% Job Success
$20K+ earned
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I’m a Top Rated Plus Full Stack Developer / Full Stack Engineer specializing in React.js, Next.js, Node.js, and TypeScript, focused on building scalable SaaS platforms, high-performance web applications, and API-driven systems. 🏆 5+ years of experience 📦 50+ completed projects 👥 Products used by 120K+ users 💰 Helped clients generate $10M+ revenue ⚡ Built systems processing 3M+ API requests monthly 🚀 Improved deployment speed by 40% and reduced infrastructure costs by 30% With strong experience as a React Developer, Next.js Developer, and Node.js Developer, I deliver production-grade applications that are fast, secure, scalable, and built for long-term growth. I help startups move from MVP to scalable SaaS platforms, combining frontend engineering (React.js / Next.js) with backend development (Node.js / APIs / databases). As a web developer, I focus on clean architecture, performance optimization, and reliable product delivery across the full development lifecycle. Experienced MERN Stack Developer specializing in scalable web applications, SaaS platforms, APIs, and modern cloud-based systems using MongoDB, Express.js, React.js, and Node.js. Worked on complete product lifecycles from architecture planning and frontend implementation to backend APIs, deployment, and long-term optimization. As a react developer, I build responsive, component-driven interfaces optimized for UX, scalability, SEO, and maintainability. I’ve improved frontend load speed by up to 50% and delivered highly optimized Next.js platforms using SSR and SSG architecture. I also have experience with Angular and Vue, building modern dashboards, admin systems, enterprise interfaces, and scalable frontend architectures for SaaS and marketplace platforms. 💻 Core Expertise as a Full Stack React Node.js Developer Frontend Development • React.js • Next.js • Angular • Vue • TypeScript • JavaScript (ES6+) • Redux • Tailwind CSS • HTML5 / CSS3 • Responsive UI Development ✔ Pixel-perfect UI ✔ SEO-friendly applications ✔ Scalable component architecture ✔ Optimized frontend performance Backend Development • Node.js • Express.js • NestJS • REST API Development • API Integration • Full Stack Development ✔ Scalable backend systems ✔ Secure API architecture ✔ Realtime applications ✔ Third-party integrations Database & Architecture • MongoDB • MySQL • PostgreSQL • Scalable SaaS Architecture • API-first systems ✔ Efficient data modeling ✔ High-performance queries ✔ Systems built for scale As a mobile app developer, I also worked on cross-platform applications connected to scalable Node.js backends, realtime infrastructure, payment systems, and API-driven services supporting thousands of daily active users. I also work as a wordpress developer, building custom CMS solutions, business websites, integrations, and scalable content-driven platforms optimized for speed and SEO. In addition, I have experience as a python developer, building backend automation tools, API services, AI integrations, data-processing systems, and scalable backend workflows for SaaS applications. What I Build • SaaS Applications • Full Stack Web Applications • Next.js Platforms • API-driven systems • AI-powered tools • Admin dashboards • Real-time applications • Marketplace platforms • MVP → Production systems Over the last few years, I’ve helped launch platforms with 99.9% uptime, reduced application response times by 60%, and optimized complex systems handling thousands of concurrent users. Why Clients Choose Me ✔ Top Rated Plus reliability and ownership ✔ Strong React.js, Next.js & Node.js expertise ✔ Clean, maintainable code ✔ Experience with complex SaaS systems ✔ Scalable architecture mindset ✔ Fast communication & structured delivery ✔ Long-term technical partnership approach Keywords: Top Rated Plus Full Stack Developer, Full Stack Engineer, React Developer, React.js Developer, Next.js Developer, Node.js Developer, TypeScript Developer, JavaScript Developer, MERN Stack Developer, SaaS Developer, API Developer, Backend Developer, Frontend Developer, Web Application Developer, API Integration, Full Stack Web Development If you’re looking for a Top Rated Plus Full Stack Developer / React Developer / Next.js Developer / Node.js Developer who can build scalable, production-ready SaaS platforms and modern web applications — let’s connect and build something solid together.
Philipp P. has worked .
Olha S.
$24/hr
100% Job Success
$20K+ earned
Available now
Offers consultations
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Hey! You are here to find a Full-Stack Developer who can deliver real results. I specialize in building scalable, high-performance web applications using React, Next.js, Node.js, NestJS and TypeScript - helping startups and businesses turn ideas into reliable, production-ready products. 🚀Whether it’s a SaaS platform, dashboard, marketplace, or AI-powered app - I handle everything from frontend UX to backend architecture and deployment. ✨ What I bring to the table Fluent English & strong communication - clear, fast, and transparent collaboration 4+ years of full-stack experience in real-world projects Ownership mindset - I don’t just code, I take responsibility for the result Reliable delivery - clean code, on time, without surprises Experience working independently and in teams (Scrum, Agile) Strong focus on performance, scalability, and user experience 🛠️ Tech Stack Frontend Development  React · Next.js (SSR, App Router) · TypeScript · Redux / Zustand · TanStack Query  Tailwind CSS · Material UI · Shadcn UI · styled-components · SCSS/Sass  Forms: React Hook Form + Zod/Yup  Data Visualization: Chart.js · Recharts · ApexCharts Backend Development  Node.js · Express.js · NestJS  REST APIs · GraphQL · WebSockets / Socket io  Authentication: JWT · Auth0 · OAuth Databases & Storage  PostgreSQL · MongoDB · Firebase · Supabase · Neo4j · Pinecone  File storage & media handling Integrations  Stripe (payments) · Twilio (SMS) · SendGrid (email) · OpenAI API  Algolia · ElasticSearch DevOps & Cloud  Docker · CI/CD · GitHub Actions · GitLab  AWS (EC2, Lambda, S3, RDS, Cognito, API Gateway)  Vercel · Netlify Testing & Quality  Jest · Mocha · Supertest · Postman ⭐ Why clients choose me 🧠 I solve business problems, not just technical tasks  I think beyond code - suggesting better architecture, UX improvements, and scalable solutions. ⚡Fast and efficient development  I know how to deliver quickly without sacrificing quality - important for MVPs and fast-growing products. 🔁Full-cycle development  From idea → architecture → development → deployment → scaling  You don’t need multiple developers - I cover the whole process. 🧩 Clean, maintainable code  Well-structured, documented, and easy to scale - so your project won’t turn into technical debt. 📈 Focus on results  My goal is not just to build features, but to help you grow your product and business. 🤝 Easy to work with  Responsive, proactive, and always aligned with your goals. Let’s work together! Have an idea, MVP, or existing product to improve? I propose to discuss - I’ll help you define the best technical approach and deliver a solution that works 🚀
Olha S. has worked .
Incode Group
Associated with
Incode Group
$900K+
earned
Denis D.
$25/hr
100% Job Success
$20K+ earned
Start of list.
End of list.
I create modern, easy-to-manage websites that perform efficiently across all platforms and devices, as confirmed by PageSpeed Insights scores of 95 or higher. I offer code that is high-quality, well-structured, and easy to update. With extensive experience in front-end development and WordPress theme and plugin development, I specialize in custom theme creation, WooCommerce integration, speed optimization, and converting design files into fully functional, maintainable websites. 🔹 WordPress / WooCommerce 🔹 Elementor / ACF 🔹 HTML 5 / CSS 3 / Sass 🔹 Bootstrap / Tailwind CSS 🔹 JavaScript / jQuery 🔹 Figma 🔹 Git / Gulp 🔹 Pixel Precision 🔹 Responsive / Cross Browser / Cross Platform Web Development 🔹 Well organised, well commented, clean, semantic and W3C valid markup.
Denis D. has worked .