Talent badge filter
$45/hr
100% Job Success
$2K+ earned
Offers consultations
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𝟏𝟎𝟎% 𝐨𝐧-𝐭𝐢𝐦𝐞, 𝐨𝐧-𝐛𝐮𝐝𝐠𝐞𝐭 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐲 - 𝐟𝐨𝐜𝐮𝐬𝐞𝐝 𝐨𝐧 𝐞𝐱𝐜𝐞𝐞𝐝𝐢𝐧𝐠 𝐲𝐨𝐮𝐫 𝐞𝐱𝐩𝐞𝐜𝐭𝐚𝐭𝐢𝐨𝐧𝐬. 🏆Certified Laravel, React and Anthropic (Claude Code) developer🏆 Senior Full Stack developer | SaaS developer | Tech Architect 👉 more than 200 successfully completed development projects including MVP / SaaS, 40,000 development hours, 15 years of professional experience. 👉 5×better performance, security, and scalability. Build scalable, high-performance SaaS platforms, web apps, dashboards, APIs, and AI-driven systems that help your business run smarter, faster, and more securely. Every project is designed to deliver seamless user experiences, robust security, and solutions ready to grow with your business. From intuitive front-end interfaces to powerful back-end systems and AI automation, your platform will work flawlessly—saving time, reducing risk, and enabling you to focus on what matters most. Core Expertise: ✔︎ Full-Stack Web Development ✔︎ SaaS Application / MVP Development / POC Development ✔︎ AI Agents & AI Automation ✔︎ LLM Integrations (OpenAI, Anthropic, etc.) ✔︎ REST API Development & Integration ✔︎ Backend Logic, Workflows & Data Processing ✔︎ Pixel-Perfect and Responsive Front-End UI/UX ✔︎ Authentication, Roles & Permissions ✔︎ Database Architecture, Optimization & Queries ✔︎ Component-Based & Modular Architecture ✔︎ Performance optimization, debugging & improving existing platforms ✔︎ Microservices (Golang) 🛠️ Tech Stack & Tools: Front-end: React, Next.js, JavaScript, TypeScript, Tailwind CSS, HTML5, CSS3 Back-end: PHP, Laravel, REST APIs, Golang AI / Automation: OpenAI API, Assistants API, AI agents, embeddings, model fine-tuning, workflow automation Databases: MySQL, PostgreSQL, MongoDB HOW I CAN ASSIST YOU: ► Whether you're launching a B2B SaaS startup or need help with MVP scoping, I support startups with SaaS MVP and MVP development - from concept to code. I can help build your custom SaaS platform / CRM / ERP using Laravel, React, Vue.js, TailwindCSS, and MySQL or PostgreSQL. ► As a Full Stack Developer, I specialize in PHP, React, WordPress, Gutenberg, ACF PRO, and custom WordPress plugins. Whether you need a WordPress Landing Page Developer or full CMS development, I’ve got you covered. Industries I work with include real estate, blockchain, finance, dental, and healthcare. ► I develop scalable web applications, Ecommerce platforms, SASS / MVP using JavaScript, TypeScript, Laravel PHP, React, HTML, CSS, jQuery, and more. I support modern architecture including microservices, ERP, and CRM solutions. ► As API expert, I handle both API development and RESTful API integration, including complex backend logic and third-party services like Stripe and Mailgun. ► I create bespoke WordPress solutions using Gutenberg, Advanced Custom Fields Plugin, and custom PHP-based development for highly tailored features. ► Figma to React - Bring your design to life! I convert your Figma mockups into responsive, scalable apps using React, Vue.js, or Laravel with TailwindCSS. ► Project Scoping & Project Architecture Planning - From Software Architecture & Design to end-to-end planning, I ensure your project is structured for success. Acting as your CTO, I help plan backend (PHP, SQL, PostgreSQL), frontend (React, Vue.js, HTML/CSS), and everything in between. ► As a full stack developer, full stack web developer, full stack developer react, full stack developer react, full stack developer nextjs, full stack website developer, front end developer, software developer, saas developer, front end developer next.js, front end developer react, nextjs frontend, react next tailwind frontend, front-end developer full-stack, frontend react, backend next.js, backend developer, backend. What clients value: 💎 Clean, maintainable, and scalable architecture 💎 Ability to handle both UI and complex backend logic 💎 Timely execution with minimal oversight 💎 Strong understanding of SaaS product flows 💎 Ability to integrate AI features without complicating the system 💎 A solution-oriented, collaborative communication style If you’re looking for a full-stack developer , full stack developer , fullstack developer , full stack web developer , full stack web , full-stack developer or SaaS developer who can build or upgrade your SaaS platform, develop a custom web application, or integrate AI features into your product - I’m ready to support your project from idea to deployment. 𝐂𝐨𝐧𝐭𝐚𝐜𝐭 𝐦𝐞 𝐭𝐨𝐝𝐚𝐲 to discuss your project.
Andrey F. has worked .
$35/hr
100% Job Success
$300K+ earned
Available now
Offers consultations
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❗️Available for new projects❗️ I’m a Top Rated Full Stack Developer on Upwork with 100% Job Success, focused on React, Node.js, Next.js, TypeScript, SaaS platforms, admin dashboards, APIs, databases, integrations, and production-ready web and mobile products. As a Full Stack Developer, I help startups, product teams, clients like Rand McNally, Magna, Sharpen CX, HÖRMANN Intralogistics turn complex ideas into reliable software. I specialize in fleet management, logistics, location-based SaaS. I work with the Volpis team, a software development company with 9+ years of experience and 100+ completed projects across logistics, fleet, HealthTech, EdTech, marketplaces, SaaS, and enterprise tools. What I bring to your product as a Full Stack Developer: As a Full Stack Developer, I can own the product end to end: architecture, frontend, backend, database structure, API design, integrations, deployment, and long-term scaling. As a React Developer, I build web apps, SaaS dashboards, admin panels, customer portals, CRM systems, booking platforms, and data-heavy interfaces that are clean, fast, and easy to extend. As a Node.js Developer, I design backend systems with stable APIs, authentication, roles, permissions, real-time features, payment flows, notifications, background jobs, and third-party integrations. As a Backend Developer, I focus on business logic, database design, performance, security, data consistency, and maintainable architecture. As a SaaS Developer, I help build MVPs, internal tools, subscription platforms, marketplaces, dashboards, and scalable web applications from idea to production. Selected results from my development work: 100+ completed mobile and web projects Products used by thousands of active users Real-time GPS and location-based systems used in daily operations Mobile apps launched and supported on App Store and Google Play SaaS dashboards that replaced manual workflows Backend systems for maps, tracking, booking, payments, subscriptions, and notifications Enterprise experience where uptime, data consistency, and scalability matter My approach as a Full Stack Developer: Understand product goals, business logic, and technical constraints Choose architecture for current scope and future scaling Build frontend structure with reusable components and predictable state Design backend logic, APIs, database models, and integrations Keep performance, security, maintainability, and testing in mind Prepare the product for deployment, monitoring, release, and future iterations Tools and technologies: Frontend: React, Next.js, TypeScript, JavaScript, HTML, CSS, Tailwind CSS, responsive web design, component architecture, reusable UI components, state management, dashboards, admin panels, SaaS interfaces, customer portals, web apps, and performance-focused frontend development. Backend: Node.js, Express.js, NestJS, REST API, GraphQL API, WebSockets, authentication, authorization, roles, permissions, business logic, background jobs, notifications, payment systems, subscriptions, custom API development, API integration, and real-time functionality. Databases: PostgreSQL, MySQL, MongoDB, Redis, Prisma, relational database design, document-based data models, caching, indexing, data synchronization, reporting logic, and scalable data structure. Cloud and infrastructure: AWS, Heroku, Google Cloud, Firebase, Docker, CI/CD, deployment, server configuration, monitoring, app releases, production support, and performance optimization. Mobile and cross-platform: iOS, Android, Flutter, Kotlin Multiplatform, mobile backend integration, push notifications, offline-first behavior, background location, maps, GPS tracking, and shared business logic. Integrations: Stripe, Apple Pay, Payfort, Firebase, Google Maps, Mapbox, HERE, TomTom, analytics tools, CRM systems, email services, chat, payment gateways, and custom third-party APIs. Clients usually hire me as a Full Stack Developer, Full Stack Web Developer, React Developer, Node.js Developer, Backend Developer, Web App Developer, API Developer, SaaS Developer, or MERN Stack Developer when they need reliable product ownership. I’m useful when your product has complex logic, multiple user roles, dashboards, real-time data, maps, payments, subscriptions, booking flows, integrations, or backend-heavy features. Why hire me as your Full Stack Developer? 9+ years of product development experience through the Volpis team 100+ completed digital product projects Top Rated profile with 100% Job Success on Upwork Strong React, Node.js, Next.js, TypeScript, SaaS, API, and mobile backend experience Experience with logistics, fleet, healthcare, marketplaces, SaaS, and enterprise products Clear ownership and engineering decisions focused on long-term product quality If you’re looking for a Full Stack Developer who can build reliable software, improve existing systems, and turn complex requirements into a scalable product, send me a message or invite me to your project.
Volpis - Mobile and Web Development | UX/UI Design
Associated with
Volpis - Mobile and Web Development | UX/UI Design
$700K+
earned
Oleg Z.
$25/hr
100% Job Success
$200K+ earned
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💡 Delivering Scalable Products with React & Full Stack Expertise 💡 📅 10+ years of experience 📦 60+ successfully delivered projects 💰 $10M+ generated for clients 👥 Products with 24,000+ active users I’m a Senior Full Stack React Developer with over 10 years of experience building reliable, scalable web applications. As a React Developer, Next.js Developer, and Node.js Developer, I’ve delivered 60+ projects across SaaS, marketplaces, healthcare, fintech, and real estate. As a React Node.js Developer and Full Stack Developer, I’ve launched 50+ production-grade systems with 99.9% uptime, supporting thousands of users and millions of monthly requests. My work as a Full Stack Developer has helped clients generate over $10M and accelerate product delivery by 30–40%. 🧩 Full Stack React, MERN Stack & Backend Systems I work as a Full Stack Developer, Full Stack React Developer, and React Node.js Developer, building applications with React.js, Frontend React, Next.js (Nextjs), and scalable backend architectures. I specialize in the MERN stack, delivering complete end-to-end solutions as a Full Stack Developer and React Node.js Developer. My experience with the MERN stack includes multiple production systems powered by MongoDB, Express, React.js, and Node.js. As a Full Stack Developer and React Node.js Developer, I focus on: ⚙️ Improving performance (LCP/TTI) by 2–3x 📊 Increasing conversions by 30–35% 📈 Scaling applications to 120K+ users 🛠 Building stable and maintainable backend systems My background with the MERN stack, React.js, and backend architecture allows me to consistently deliver scalable products as a Full Stack Developer. 🗄 Backend, Databases & Supabase As a Full Stack Developer and React Node.js Developer, I design and build APIs, dashboards, and real-time systems. I work with SQL, PostgreSQL, MySQL, and MongoDB, creating optimized schemas and high-performance data layers. My experience with MongoDB includes building high-load systems within the MERN stack ecosystem. I also use Supabase / Postgres to build modern backend solutions with authentication, RLS, edge functions, and real-time features. 🧠 Built systems using MongoDB, PostgreSQL, and MySQL 🔄 Processed 50K–300K events/day using Supabase 💸 Reduced backend costs by up to 50% with Supabase 🚀 Improved delivery speed by 40% As a Full Stack Developer and React Node.js Developer, I ensure backend scalability, reliability, and long-term maintainability. 🎨 Frontend React & Next.js With 10+ years as a React Developer, React.js Developer, and Frontend React Developer, I build fast, user-focused interfaces using React.js and Next.js (Nextjs). As a Full Stack Developer and React Node.js Developer, I seamlessly connect frontend applications with backend services. ⚡ Improved load times by 50% 📉 Reduced bounce rates by 25–30% 📈 Increased user engagement by 40–45% 📱 React Native & Cross-Platform Development As a React Native Developer, alongside my work as a Full Stack Developer and React Node.js Developer, I build mobile apps integrated with scalable backend systems powered by MongoDB, Supabase, Firebase, and SQL. 📲 12+ mobile apps delivered 👤 130K+ active users supported 💳 Payments, SaaS & PHP / Laravel As a Full Stack Developer and React Node.js Developer, I develop SaaS platforms, marketplaces, and payment systems. I also have strong experience with PHP and Laravel, building and maintaining backend services and APIs. As a Full Stack Developer, I’ve integrated PHP systems with modern stacks like React.js and migrated legacy PHP / Laravel backends to MERN stack and Supabase solutions. 💰 $10M+ revenue generated 📉 Reduced checkout drop-offs by 20–30% 📈 Increased AOV by 20–25% ⚙️ Additional Expertise 30+ projects as a Full Stack Developer and Full Stack React Developer Strong background as a React Node.js Developer Deep expertise in SQL, PostgreSQL, MySQL, and MongoDB Hands-on experience with the MERN stack across production systems Experience with Supabase, Supabase Postgres, and real-time apps AI integrations (OpenAI, ChatGPT) as a React Developer Experience with PHP, Vue, and Svelte Built dashboards, PWAs, and SaaS platforms as a Full Stack Developer Reduced bugs by 30% and improved release cycles by 25% 🤝 Why Work With Me Reliable Full Stack Developer with proven results Experienced React Node.js Developer and MERN stack specialist Strong expertise in React.js, Next.js, and backend systems Solid experience with MongoDB, SQL, PostgreSQL, MySQL, Supabase, and PHP / Laravel Focus on business outcomes, scalability, and performance If you’re looking for a Full Stack Developer, Full Stack React Developer, React Node.js Developer, or MERN stack developer with strong experience in MongoDB, Supabase, SQL, PostgreSQL, MySQL, and PHP / Laravel — let’s connect. 👉 Click "Invite" or "Hire" to get started.
Oleg Z. has worked .
Golden Team Soft
Associated with
Golden Team Soft
$6M+
earned
Serhii P.
$45/hr
100% Job Success
$60K+ earned
Available now
Offers consultations
Start of list.
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🚀 Successfully delivered 50+ projects 🛠 8+ years of experience across diverse industries, from fintech to edtech. Full Stack Developer with 8+ years of experience spanning fintech to edtech (50+ completed projects). I transform Figma designs into modern, SEO-optimized applications using React, Next, and Vue, and build reliable APIs with Node.js. As a Full Stack Developer, Front End Developer, and Mobile App Developer, I focus on delivering high-performance, scalable solutions with clean architecture and excellent user experience. I specialize in transforming design files (Figma, PSD, Sketch) into pixel-perfect, responsive, and SEO-optimized websites using React.js and Vue.js. My focus is always on performance, clean architecture, and user experience. 🔧 Services I Provide ✅ Front End Development (React.js, Next.js, Vue.js, Nuxt.js, HTML/CSS, Tailwind) Modern React.js front end development with reusable components, supported by my expertise as a full stack developer Conversion-focused, mobile-first, and responsive web design using Vue.js from a full stack developer perspective High-performance, SEO-friendly websites built for growth with React.js and Vue.js ✅ Full Stack Development REST & GraphQL API integrations handled by an experienced full stack developer with Node.js Building portals, dashboards, and admin panels as a full stack developer using Node.js Clean, secure, and scalable architecture delivered by a professional full stack developer with React.js, Vue.js, and Node.js ✅ WordPress Development Fast and responsive WordPress websites created by a full stack developer Custom themes and plugin development by a full stack developer SEO, speed, and performance optimization by a full stack developer ✅ Mobile & App-Like Experiences Progressive Web Apps (PWAs) with React.js & Vue.js built by a full stack developer Smooth, fast, mobile app-style navigation from a full stack developer using React.js Offline-first capabilities for better user engagement by a full stack developer with Vue.js ✅ Website Optimization & Maintenance Speed improvements (90+ Lighthouse scores) implemented by a full stack developer Code refactoring and long-term scalability handled by a full stack developer using Node.js SEO and technical optimization for better rankings as a full stack developer 🧰 Tech Stack & Skills Frontend: React.js, Next.js, Vue.js, Nuxt.js, HTML5, CSS3, Tailwind CSS, SASS/SCSS, JavaScript (ES6+), TypeScript, Responsive & Mobile-first Design, UI/UX Principles, Framer Motion Backend & APIs: Node.js, Express.js, REST, GraphQL, Firebase, Serverless Architecture, API Integration as a full stack developer Platforms & CMS: WordPress, Shopify, Vercel, Netlify Databases: MongoDB, MySQL, PostgreSQL, Firebase Firestore DevOps & Tools: Git, GitHub/GitLab, Docker, CI/CD, Testing & Debugging, NPM/Yarn, VS Code Cloud & Deployment: AWS, Google Cloud, Azure Additional Skills: Agile/Scrum, Product Design, Prototyping (Figma, Adobe XD), Performance Optimization, SEO Best Practices, Analytics & Tracking by a full stack developer 💡 Whether you need a Front End Developer to turn your design into code, a React.js Developer for a complex SPA, a full stack developer to build end-to-end solutions with Node.js, or a WordPress Developer to launch a professional site - I can help deliver fast, reliable, and scalable results as a full stack developer using Vue.js and React.js. 🚀 Let’s create a product that looks amazing, works flawlessly, and drives real business growth. Schedule a quick call with me, and I’ll provide a free consultation as your full stack developer to discuss your project. June 30, 2026 I am a senior fullstack developer and web/mobile app developer specializing in React (React JS, React Native, fullstack React, React Node, React web development), WordPress (WordPress developer, WordPress full stack, WordPress Elementor, Divi), PHP, Laravel, Python (Python full stack developer), Ruby on Rails, Angular, Flutter, Java, and Shopify. I deliver website design, WordPress website design, mobile app development, front end development, SEO, and high-performing e-commerce solutions. Experienced with Facebook Ads, Amazon FBA, and full stock web solutions, I am a fluent expert ready to build scalable web and mobile applications. Last updated: 03.08.2026
Redlab
Associated with
Redlab
$80K+
earned
$50/hr
100% Job Success
$10K+ earned
Start of list.
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I am a full-stack engineer with experience delivering production-ready apps. I quickly turn ideas into working products with attention to design, performance, and user experience. What I deliver: - End-to-end full-stack applications with React, Typescript, Node - Performance optimization and scalable architecture - Clean, maintainable code My site: vasyaqwe.com | GitHub: github.com/vasyaqwe
Vasyl P. has worked .
Maksym Z.
$25/hr
100% Job Success
$40K+ earned
Start of list.
End of list.
I’m a Full Stack Web Developer and Mobile Developer specializing in React, Next.js, Node.js, React Native, SaaS platforms, AI integrations, and scalable API-driven applications. I build fast, secure, and production-ready systems for startups and businesses across both web and mobile ecosystems. With 5+ years of experience as a web developer and mobile developer, I deliver full stack solutions including frontend, backend, databases, payment systems (Stripe), real-time apps (Supabase), and complex SaaS architectures with cross-platform functionality. I also work as a React Native developer, building mobile applications that ensure Cross-Device Compatibility between web and mobile platforms, creating seamless user experiences across iOS and Android. 💻 Full Stack Expertise (Web + Mobile) As a full stack developer and web developer, I build: SaaS platforms and multi-tenant systems E-commerce and subscription-based applications with Stripe payment gateway integration and In-App Purchases Booking systems and scheduling platforms Admin panels, dashboards, and CRM systems Real-time applications using WebSockets and Supabase API-driven architectures and microservices Cross-platform solutions with React Native mobile apps and web applications sharing the same backend I have strong experience with Next.js, e-commerce platforms, API development, authentication systems, payment integration, database architecture, and deployment. I work extensively with MERN stack development, combining MongoDB, Express.js, React, and Node.js to build scalable systems that extend into React Native mobile applications for full Cross-Device Compatibility. ⚙️ Backend Development | Node.js, NestJS, Express.js As a backend-focused full stack developer, I design secure and scalable systems using Node.js, NestJS, and Express.js. I build: REST API development and API integration systems Authentication systems and role-based access control Database architecture and optimization (MongoDB, MySQL, Firebase, Supabase) Real-time backend services for web and mobile apps Stripe payment gateway integration and In-App Purchases for mobile apps Backend systems powering React Native mobile applications and web platforms I also specialize in API development and integration, connecting AI services, CRMs, and payment providers into scalable ecosystems. 🎨 Frontend & Mobile Development | React, Next.js, React Native As a front-end and mobile developer, I build modern UI systems using React, Next.js, Redux, TailwindCSS, and React Native. I create: High-performance dashboards and admin panels Responsive UI/UX web interfaces React Native mobile apps with Cross-Device Compatibility In-App Purchases integration for mobile applications AI Mobile App Development with intelligent features and automation SEO-optimized Next.js applications Real-time frontend integrations with backend APIs I specialize in building seamless experiences across web and mobile using React Native and modern frontend frameworks. 🤖 AI Development & Automation I work with modern AI tools including Cursor and Claude Code to accelerate development and build intelligent systems. I provide AI development solutions such as: AI chatbots and assistants AI-powered SaaS platforms AI Mobile App Development for intelligent mobile experiences Automation workflows OpenAI / API-based integrations Smart backend logic and data processing ☁️ Databases, Supabase & Firebase As a full stack web and mobile developer, I have deep experience in: Supabase (authentication, real-time DB, APIs for web + mobile apps) Firebase (real-time apps, mobile backend, cloud functions) MongoDB, MySQL, PostgreSQL Database integration and optimization Scalable architecture for SaaS and mobile-first platforms 🛒 SaaS, E-commerce & Complex Platforms I specialize in building: SaaS platforms with subscription systems E-commerce platforms with Stripe and In-App Purchases Marketplace and booking systems Mobile-first SaaS products using React Native Large-scale web + mobile applications with shared backend architecture Admin dashboards and enterprise tools ⚡ Technologies I Work With React, Next.js, Node.js, NestJS, Express.js, React Native, Supabase, Firebase, MongoDB, MySQL, PostgreSQL, Stripe, In-App Purchases, TailwindCSS, Redux, TypeScript, JavaScript, REST APIs, WebSockets, AI integrations, Cursor, Claude Code, Cross-Device Compatibility, AI Mobile App Development. 📱 Additional Experience I also have experience as: React Native developer (mobile applications with In-App Purchases and Cross-Device Compatibility) Python developer (automation and backend services) WordPress developer (custom websites and integrations) Mobile developer for cross-platform applications and AI Mobile App Development 💬 Let’s Build Something Powerful If you’re looking for a reliable full stack web and mobile developer to build scalable SaaS platforms, React Native mobile apps, or AI-powered systems — I can help you create production-ready solutions.
Maksym Z. has worked .
Golden Team Soft
Associated with
Golden Team Soft
$6M+
earned
Serhii O.
$25/hr
100% Job Success
$100K+ earned
Start of list.
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I’m a Full Stack Web Developer specializing in React, Next.js, Node.js, MERN stack development, SaaS platforms, AI integrations, and scalable API-driven web applications. I build fast, secure, production-ready systems with clean architecture and long-term scalability for startups and growing businesses. With 10+ years of experience in web development and 5+ years focused on modern full stack ecosystems, I deliver end-to-end solutions including frontend, backend, databases, authentication, payment systems (Stripe), real-time applications (Supabase/WebSockets), and enterprise SaaS platforms. Experience with Next.js, e-commerce platforms, API development, authentication systems, payment integration, database architecture and deployment. 💻 Core Expertise (Full Stack + SaaS + MERN) As a full stack web developer, I build: SaaS platforms and multi-tenant architectures E-commerce systems with Stripe payment integration Booking, scheduling, and marketplace platforms Admin dashboards, CRM systems, and analytics tools Real-time applications using Supabase and WebSockets API-driven architectures and microservices Scalable MERN stack applications (MongoDB, Express, React, Node.js) I specialize in Next.js development, React development, Node.js backend systems, API integration, authentication systems, and scalable database design. ⚙️ Backend Engineering | Node.js, Express, NestJS As a backend-focused full stack developer, I design secure, high-performance systems using Node.js, Express, and NestJS. I build: REST API development & API integration Authentication & role-based access control Stripe payment systems for SaaS & e-commerce Database architecture (MongoDB, MySQL, PostgreSQL, Supabase, Firebase) Real-time backend systems (WebSockets, Supabase) Third-party API integrations (CRMs, AI tools, automation systems) 🎨 Frontend Development | React, Next.js, Redux As a front-end web developer, I build modern, fast, and scalable UI systems using React, Next.js, Redux, and TailwindCSS. I create: High-performance SaaS dashboards SEO-optimized Next.js applications Responsive UI/UX interfaces Redux-based state management systems Real-time frontend integrations with APIs 🤖 AI Development & Automation (Cursor + Claude Code) I integrate modern AI tools like Cursor and Claude Code to accelerate development and build intelligent systems. I deliver: AI chatbots and assistants AI-powered SaaS features Automation workflows OpenAI / API integrations Smart backend logic & data processing systems ☁️ Databases, Supabase & Firebase Strong experience in: Supabase (auth, real-time DB, APIs) Firebase (real-time apps, cloud functions) MongoDB, MySQL, PostgreSQL Database optimization & scalable architecture SaaS-level data modeling 🛒 SaaS, E-commerce & Enterprise Systems I build: Subscription-based SaaS platforms E-commerce platforms with Stripe integration Booking & marketplace systems Enterprise dashboards & admin systems Large-scale full stack applications 📱 Additional Experience React Native developer (mobile apps) Python developer (automation & backend tools) WordPress developer (custom websites) Cross-platform mobile development 💬 Why Clients Choose Me ✔ Top-tier MERN stack expertise ✔ Full stack web developer (frontend + backend mastery) ✔ SaaS architecture & scalable system design ✔ Strong API development & integration skills ✔ AI integration & automation workflows ✔ Clean, maintainable, production-ready code ✔ Reliable communication & fast delivery 🚀 Let’s Build Something Scalable If you’re looking for a Top Full Stack Web Developer to build scalable SaaS platforms, modern web applications, or AI-powered systems, I can help you turn your idea into a production-ready product with clean architecture and long-term scalability.
Golden Team Soft
Associated with
Golden Team Soft
$6M+
earned
Andrii B.
$30/hr
100% Job Success
$40K+ earned
Start of list.
End of list.
🚀 Senior Laravel Developer | PHP Developer | Full Stack Developer | Vue.js Developer I help startups, SaaS companies, and growing businesses build scalable web applications, SaaS platforms, backend systems, and high-performance APIs using Laravel, PHP, Vue.js, JavaScript, and cloud technologies. For 7+ years, I’ve worked as a Laravel Developer, PHP Developer, CodeIgniter Developer, and Full Stack Developer delivering secure, scalable, and production-ready applications for SaaS, ecommerce, CRM, ERP, fintech, education, and enterprise platforms. I specialize in full stack development — from scalable backend architecture and REST API development to responsive frontend interfaces and cloud deployment. 💡 Why clients hire me ✔ 7+ years of full stack development experience ✔ Built and optimized 50+ web applications & SaaS platforms ✔ Strong Laravel, PHP, Vue.js & JavaScript expertise ✔ Scalable SaaS architecture & API-driven systems ✔ Clean, secure, maintainable code ✔ Fast communication & reliable delivery ✔ Long-term support and scalable business solutions Over the years, I’ve developed: • SaaS platforms • CRM & ERP systems • Ecommerce & marketplace platforms • Booking & scheduling systems • Enterprise dashboards & admin panels • API-driven web applications • Cloud-hosted business platforms • Automation & internal management systems ⚙️ Backend Development | Laravel, PHP & Scalable APIs As a Senior Laravel Developer and PHP Developer, I specialize in building scalable backend systems, high-performance REST APIs, and cloud-ready SaaS applications with clean, maintainable architecture. Over the years, I’ve developed everything from custom business platforms and multi-tenant SaaS systems to enterprise dashboards, ecommerce backends, and API-driven applications handling complex workflows and large-scale data. My backend experience includes working extensively with Laravel, PHP, CodeIgniter, and Symfony to build secure authentication systems, payment integrations, queue-based background processing, and scalable microservices architecture. I regularly develop and integrate REST APIs, connect third-party services like Stripe and PayPal, and optimize backend performance for speed, stability, and long-term scalability. As a Backend Developer and Full Stack PHP Developer, I focus on writing clean, production-ready code that supports fast-growing applications, reliable infrastructure, and seamless frontend-to-backend communication. 🎨 Frontend Development | Vue.js, JavaScript As a Vue.js Developer and Frontend Developer, I create responsive, scalable, and modern frontend applications with clean UI architecture and optimized user experience. Frontend technologies: • Vue.js • JavaScript / jQuery • HTML5 / CSS3 • Tailwind CSS • Bootstrap • Responsive UI Development • Dashboard Development • SaaS Frontend Development Built frontend systems for: • SaaS dashboards • CRM interfaces • Admin panels • Analytics systems • Marketplace applications • Business management platforms 🗄️ Database Development & Optimization Strong experience designing scalable database architecture and optimizing high-traffic applications. Technologies: • MySQL • PostgreSQL • MariaDB Focus areas: • Query optimization • Indexing strategies • Performance tuning • Large-scale data handling • Scalable database architecture ☁️ Cloud & DevOps Experienced with production deployments, cloud infrastructure, and scalable SaaS environments. Cloud platforms: • AWS • Google Cloud Platform (GCP) • Microsoft Azure Experience includes: • Cloud deployment • CI/CD pipelines • Docker environments • Server optimization • Secure production deployment 🚀 SaaS & Enterprise Development I help businesses build scalable SaaS applications, enterprise systems, and custom web platforms optimized for growth, performance, and maintainability. Core expertise: • SaaS Development • Enterprise Software Development • Marketplace Development • CRM & ERP Development • Booking System Development • Ecommerce Development • Custom Web Application Development • Scalable Web Application Development 📈 Results Delivered ✔ Improved application performance by 40-70% ✔ Built scalable SaaS platforms supporting thousands of users ✔ Integrated 30+ third-party APIs and payment systems ✔ Optimized legacy Laravel & PHP systems into scalable architectures ✔ Delivered MVP platforms in 4-8 weeks for startups 💬 If you need a Laravel Developer, PHP Developer, Vue.js Developer, Full Stack Developer, Backend Developer, SaaS Developer, or REST API Developer, I can help you build secure, scalable, and modern web applications tailored to your business goals.
Andrii B. has worked .
Golden Team Soft
Associated with
Golden Team Soft
$6M+
earned
Vitaly K.
$39/hr
100% Job Success
$300K+ earned
Available now
Offers consultations
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I help businesses turn complex ideas into fast, scalable web applications and AI-powered products. My main stack revolves around JavaScript / TypeScript ecosystems, modern frontend frameworks, and reliable backend architecture designed for real production environments. I have 7 years of experience in full-stack engineering. Over the past years, I’ve worked on SaaS platforms, enterprise tools, and high-traffic web systems, building features from concept all the way to deployment. 🔹 Full-Stack Development I build complete web systems using React, Next.js, and Angular on the frontend, combined with Node.js and TypeScript on the backend. My goal is always the same: clean architecture, maintainable code, and systems that continue to scale as products grow. 🔹 AI Integration I also develop AI-driven features such as automated reporting, intelligent assistants, data transformation tools, and AI workflows using modern LLM and OpenAI integrations. These solutions help automate processes and turn unstructured data into useful insights. 🔹 Backend & Data Architecture On the server side I work with Node.js, GraphQL, REST APIs, and modular backend systems. For data storage I design scalable models using PostgreSQL, MySQL, and MongoDB, ensuring reliability, performance, and efficient data handling. 🔹 Infrastructure & Modern Development I deploy and maintain systems using Docker, AWS, CI/CD pipelines, and structured Git workflows, ensuring stable production environments and smooth team collaboration. 🤝 How I Work I collaborate closely with founders, product teams, and designers to turn ideas into working software. Clear communication, transparent progress updates, and scalable technical decisions are core parts of my development process. 🚀 Why Work With Me I focus on building reliable, scalable systems that support real business growth, combining full-stack engineering with modern AI capabilities to create products that are both powerful and future-ready
Vitaly K. has worked .
Codemotion - AI-Assisted Software Delivery Agency
Associated with
Codemotion - AI-Assisted Software Delivery Agency
$10M+
earned
Dmytro M.
$40/hr
100% Job Success
$30K+ earned
Available now
Offers consultations
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⭐️ Top Rated Plus — Top 3% of talent on Upwork ✅ 11+ years of professional experience ✅ 40+ projects successfully delivered 📈 Boosted client productivity by up to 70%, supporting platforms with 100k+ users ⚡ Improved application loading speed by 30–50% ✅ $50M+ in client revenue supported through the platforms I’ve built ✅ 90%+ repeat client rate I’m a Full Stack Developer, Web Developer, and React Developer with more than 11 years of hands-on experience building scalable, high-performance web and mobile applications. My core strength lies in Node.js backend engineering combined with React / React.js frontend development, allowing me to deliver complete, production-ready systems from database to UI. As a Full Stack Developer, I work across the entire application lifecycle — from backend logic and APIs to frontend interfaces and performance optimization. As a Web Developer, I focus on reliability, maintainability, and long-term scalability. As a React Developer, I build fast, interactive user interfaces that feel smooth and intuitive across devices. I work with startups and companies building AI-driven SaaS platforms, AI automation systems, conversational assistants, and internal AI tools. 🔧️ CORE TECHNICAL EXPERTISE 📌 AI Integration & AI Agent Development — OpenAI / LLM / Conversational AI As an AI Developer and Full Stack Developer, I design and implement AI-powered systems using modern LLM technologies and AI APIs. My work includes AI agent architectures, conversational AI systems, AI copilots, and AI workflow automation. I integrate platforms like OpenAI, GPT, Claude, and other LLM providers into SaaS products and internal tools. This includes RAG pipelines, knowledge base ingestion, tool-calling agents, AI assistants, and AI automation workflows. I also build real-time AI systems, including voice AI applications using streaming APIs, speech-to-text (ASR), and text-to-speech (TTS). 📌 Backend Development — Node.js / TypeScript / API Architecture As a Backend Developer and Full Stack Developer, I design scalable server-side systems using Node.js, TypeScript, Nest.js, and Express.js. As a Full Stack Developer and Web Developer, I design and implement server-side systems using Node.js, building REST and GraphQL APIs, background jobs, and service-based architectures. My experience includes authentication flows, authorization layers, data validation, logging, error handling, and API versioning — all written with clarity and long-term support in mind. I focus on building clean, maintainable backend architectures that support long-term product growth. 📌 Frontend Development — React / Next.js / Modern Web Applications As a React Developer and Full Stack Developer, I build modern user interfaces and SaaS platforms using React, Next.js, TypeScript, and Tailwind. As a React Developer and Web Developer, I create single-page applications and complex dashboards using React. I focus on clean component structure, predictable state management, responsive layouts, and performance-conscious rendering. My React work supports both web platforms and mobile-focused interfaces. I design frontend systems that integrate seamlessly with AI services, APIs, and backend platforms. 📌 Database Architecture — PostgreSQL / Supabase / MongoDB / Redis Experienced Full Stack Developer working with modern database systems including PostgreSQL, MySQL, MongoDB, Supabase, and Redis. Experienced Full Stack Developer working with PostgreSQL, MySQL, and MongoDB, including schema design, indexing strategies, query optimization, and data migration. I ensure backend systems remain efficient under growth and high traffic. I ensure backend systems remain stable and scalable under high traffic and growing data volumes. 📌 Cloud & Infrastructure — AWS / Docker / Cloud Platforms As a Full Stack Developer and AI Integration Engineer, I deploy and maintain applications in cloud environments. As a Web Developer and Full Stack Developer, I deploy and maintain applications on AWS, using services such as EC2, ECS, S3, CloudFront, and CI/CD pipelines. I manage environments, automate deployments, and ensure applications scale reliably. My goal is to build reliable infrastructure that supports production AI applications and SaaS platforms. 📌 API & Platform Integrations I develop and integrate REST APIs, external services, and automation platforms using Node.js. I build and integrate RESTful and GraphQL APIs using Node js, connecting payment gateways, OAuth 2.0 providers, external services, and internal systems. These APIs are consumed by React applications and mobile interfaces built by me as a React Developer and Web Developer. 💥 WHAT I CAN DO FOR YOU ✅ Build AI-powered applications and AI agents ✅ Integrate OpenAI / GPT / Claude APIs into SaaS platforms ✅ Develop scalable Node.js backend services ✅ Build modern React / Next.js applications ✅ Implement RAG pipelines and AI knowledge systems ✅ Design full-stack SaaS architecture
Seedium
Associated with
Seedium
$2M+
earned