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Arsene O.
$25/hr
100% Job Success
$80K+ earned
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⚙️ Building Scalable Digital Products with React, Node.js & Python ⚙️ 📅 6+ years of experience 📦 40+ completed projects 💰 $9M+ generated for clients 🌍 Platforms with 80,000+ active users I’m a Full Stack Developer and Full Stack React Developer with 6+ years of experience building scalable web applications. As a React Developer, React.js Developer, and Next.js Developer, I deliver modern frontend systems combined with powerful backend architectures. My backend expertise spans Node.js, Python, Django, and FastAPI, allowing me to build both high-performance APIs and enterprise-grade systems. I work as a Node.js Developer, Python Developer, Django Developer, and FastAPI Developer, depending on project requirements. As a Full Stack Developer, I frequently combine React.js, Node.js, Python, Django, and FastAPI to deliver complete end-to-end solutions. 🚀 Full Stack React, Node.js & Python Engineering I work as a Full Stack Developer, Full Stack React Developer, and React Node.js Developer, building scalable applications with React.js, Next.js (Nextjs), and robust backend systems powered by Node.js, Python, Django, and FastAPI. I use Node.js daily for backend services, APIs, and real-time systems. As a Node.js Developer, I build scalable microservices and backend logic that integrate seamlessly with frontend applications. Alongside Node.js, I use Python, Django, and FastAPI for more complex backend architectures. Django is ideal for structured systems, while FastAPI is perfect for high-performance asynchronous APIs. My experience includes combining Node.js, Python, Django, and FastAPI in production environments where performance and scalability are critical. As a Full Stack Developer and Node.js Developer, I focus on: ⚙️ Improving performance (LCP/TTI) by 2–3x 📊 Increasing conversions by 25–35% 🚀 Scaling apps to 100K+ users 🧠 Backend Development with Node.js, Python, Django & FastAPI As a Node.js Developer, Python Developer, Django Developer, and FastAPI Developer, I build APIs, backend systems, and scalable services. I use Node.js for real-time systems, event-driven architectures, and high-performance APIs. I also use Python, Django, and FastAPI to build structured backend platforms and high-speed microservices. In multiple projects, I combined Node.js with Python, Django, and FastAPI to create hybrid backend ecosystems. 🗄 Databases & Backend Architecture As a Full Stack Developer and Node.js Developer, I work with SQL, PostgreSQL, MySQL, and MongoDB to design scalable systems. I frequently integrate Node.js with PostgreSQL and MongoDB, and also use Python, Django, and FastAPI with relational databases for enterprise applications. I also use Supabase (PostgreSQL-based backend) alongside Node.js, Python, Django, and FastAPI. 🧠 Built systems using Node.js, Python, Django, and FastAPI 🔄 Designed APIs with Node.js and FastAPI 💸 Reduced backend costs with optimized Node.js services 🚀 Improved system performance using Node.js and Python 🎨 Frontend React & Next.js With 6+ years as a React Developer, React.js Developer, and Frontend React Developer, I build fast UI systems using React.js and Next.js (Nextjs). As a Full Stack Developer, I connect frontend applications with backend systems powered by Node.js, Python, Django, and FastAPI. 📱 React Native & Cross-Platform Apps As a React Native Developer, alongside my work as a Full Stack Developer and Node.js Developer, I build mobile applications connected to backend systems powered by Node.js, Python, Django, and FastAPI. 📱 10+ apps delivered 👥 100K+ users supported 💳 SaaS, Payments & Scalable Platforms Most backend logic in these systems is built with Node.js, while complex services often use Python, Django, and FastAPI. ⚙️ Additional Expertise 40+ projects as a Full Stack Developer and Full Stack React Developer Strong experience as a Node.js Developer, Python Developer, Django Developer, and FastAPI Developer Deep expertise in Node.js, Python, Django, and FastAPI backend systems Strong frontend skills with React.js and Next.js Experience with MongoDB, SQL, PostgreSQL, and MySQL Experience with Supabase and real-time systems AI integrations (OpenAI, ChatGPT) using Node.js and Python Built dashboards, PWAs, and SaaS platforms using Node.js, Django, and FastAPI 🤝 Why Work With Me Strong Full Stack Developer with deep backend expertise in Node.js, Python, Django, and FastAPI Experienced React Developer and Full Stack React Developer Skilled in building scalable backend systems using Node.js and Python Strong architecture thinking across frontend and backend If you’re looking for a Full Stack Developer, Node.js Developer, Python Developer, Django Developer, or FastAPI Developer with strong experience in React.js and Next.js — let’s connect. 👉 Click "Invite" or "Hire" and tell me about your project.
Arsene O. has worked .
Golden Team Soft
Associated with
Golden Team Soft
$6M+
earned
$24/hr
100% Job Success
$20K+ earned
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Hello, everyone ✋ I am a Full-Stack Developer with 5 years of immersive experience crafting, refining, and launching scalable web applications. Adept in both front-end and back-end technologies, I'm passionate about creating top-notch, user-friendly solutions that truly resonate with audiences.I specialize in website, SaaS, eCommerce, mobile app, and enterprise software. 🏆 Certified Senior Full-Stack Node.js Developer 🥇 Senior full stack developer in React.js Node.js Next.js Nest.js JavaScript Developer 👌 Cost-Efficient Services ⚡️ Proficient in React.js, Next.js, Redux, and TypeScript, I specialize in diverse UI development using Bootstrap/Material-UI, Restful API, GraphQL. I have extensive experience integrating third-party APIs like Stripe, Twilio, and Google Maps. ⚡️ My expertise extends to backend development, where I utilize the Mongoose ODM library for MongoDB and work with SQL, including writing aggregate functions. I am skilled in Node.js, Nest.js, and Express, incorporating libraries such as JWT, FS, Nodemailer, Socket.IO, Mongoose, Sequelize, cors, etc. ✅Front-End Technologies: Vue.js, JavaScript, React.js, HTML, CSS ✅Back-End Technologies: Node.js, TypeScript, Express.js ✅Database Systems: MongoDB, SQL, NoSQL ✅Version Control: Git, GitHub, Bitbucket, Jira ✅Agile Methodologies: Scrum, Kanban ⚡I'm fluent in English and will update you daily on my progress, ensuring you're always informed about your project's status. With a comprehensive skill set in frontend and backend technologies, mobile development, and service integration, I offer end-to-end solutions. I excel in large team environments and client interactions, committed to transforming ideas into successful projects.Let's start our collaboration now. Reach out!☎
Alexander V.
$35/hr
100% Job Success
$500K+ earned
Available now
Offers consultations
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🔥 Engineer that saves your time, ships fast, and pays off 🔥 🏆 10+ years of experience 🔥 60+ successfully delivered projects 💸 products generating $8,5M+ in revenue ⭐ Web app with 20,000+ active users I'm a Full Stack React Developer with 10+ years of production experience, delivering 60+ projects across SaaS, marketplaces, logistics, e-commerce, and Ops, with systems supporting 20K+ active users, 99.9% uptime, and millions of monthly requests. As a Senior React Developer and Frontend React, I shipped 50+ commercial products as a Full Stack Developer React Node, helping clients reach $8,2M+ revenue and reduce time-to-market by 30–40%. I work daily as a Full Stack React Developer and Frontend React Next.js developer, combining UI performance and backend architecture as a Full Stack Developer React Node and Frontend React developer, improving LCP/TTI by 2–3x, increasing conversion rates by 25–35%, and scaling apps to 100K+ MAU. My background as a Frontend React developer and Full Stack Developer React Node enables full ownership from UX design to scaling and post-launch optimisation. As a Full Stack React Developer, I’ve built SaaS platforms using Supabase and Supabase Postgres, implementing auth, RLS, and real-time systems handling 100K–300K events/day. I’ve used Supabase in 9+ production apps with Postgres, react next.js, react js, cutting backend costs by 40%, infra overhead by 35%, and delivery time by 30%. I'm a Full Stack Developer React Node with deep experience as a full stack developer Node.js developer , building APIs, real-time services, and dashboards processing 5M+ requests/month. As a Full Stack Developer React Node, I delivered CRM, logistics, and warehouse dashboards, plus B2C marketplaces with Stripe payments, automating 50–70% of manual workflows. On the frontend, I’ve worked the last 8+ years as Frontend React js and front end developer react. As frontend developer react, frontend react developer I focus on performance and conversion, reducing load times by 60%, bounce rates by 25%, and increasing engagement by 30–45%. I collaborate as a ux designer to turn UI improvements into measurable revenue growth. I am also a react native developer, shipping 5+ cross-platform apps for iOS and Android, supporting 50K+ active users, 99.8% uptime, and peak loads during live events. These apps powered logistics and energy-tech startups reaching £7M annual revenue. I’ve also delivered projects using Astro, Svelte, Python. As a web developer, full stack developer, and full stack react developer, I’ve built MERN stack systems as full stack developer react node, react redux, java react, and scalable APIs, deployed across multiple regions. I collaborated with distributed teams, including react developers Filipinos, reducing release cycles by 25% and production bugs by 30%. Payments and monetization are core strengths: I implemented stripe billing, subscriptions, and marketplaces generating $4,7M+ revenue as a frontend react developer, reducing checkout drop-off by 20–30% and increasing AOV by 15–25%. I build SEO-friendly SSR apps with react next.js and next.js firebase, achieving 90+ Lighthouse scores and 2–3x organic traffic growth using modern javascript optimizations as a Full Stack Developer React Node. Recent work includes large-scale dashboards, marketplaces, and PWAs built as a Full Stack React Developer, Frontend React, and Full Stack Developer React Node, using Claude Code for fast launches and custom React systems for core logic, saving teams 300–500 hours/month. My focus is always on clean architecture, measurable impact, and long-term maintainability. If you’re looking for a Full Stack React Developer, react js developer, react web developer, or node developer who delivers measurable results, I provide predictable delivery, business-focused decisions, and long-term ownership. 🛠 Additional Technical expertise - Launched 4+ apps as a mobile app developer / front end developer html, reaching 50K+ installs and 4.9 avg rating. - Deep experience with Supabase RLS policy and Supabase Auth across 7+ systems and 20+ roles. - Experience as a Python developer and senior full stack developer react node with Supabase on data-heavy platforms. - 30+ projects as full stack developer react node. - Full Stack Development work and 1200+ hours as full stack developer react node - LLM & AI integration, OpenAI, Gemini, Chat GPT, building AI-powered applications that reduced manual work by 30–50% as a frontend react next.js developer and node full stack developer - 8+ years as react js next js and 5+ years as react nextjs developer - 6+ years as a frontend next.js react developer - 5+ years as node.js developer, and backend nodejs engineer - 10 projects as a headless CMS front end developer and as front end developer angular. Let's begin the collaboration with Full stack React Developer by clicking "Invite" or "Hire" on the top right
This is Software Team - Node.js & React & TypeScript
Associated with
This is Software Team - Node.js & React & TypeScript
$60K+
earned
Serhii P.
$45/hr
100% Job Success
$60K+ earned
Available now
Offers consultations
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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.
Redlab
Associated with
Redlab
$80K+
earned
Oleh S.
$55/hr
100% Job Success
$10K+ earned
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With over two decades of experience in the IT industry, I bring a wealth of expertise in navigating the complex landscape of technology and business solutions. My career has been dedicated to delivering top-tier results across various domains, consistently aligning IT strategies with organizational goals to drive growth and efficiency. Key Expertise: - Strategic IT Consulting: I excel at crafting and executing IT strategies that align with business objectives, ensuring maximum impact and ROI. - Advanced Project Management: My project management skills are honed to deliver projects on time and within budget, with a relentless focus on quality and stakeholder satisfaction. - Technology Implementation: I specialize in advising on and implementing cutting-edge technologies that empower businesses to stay ahead in a competitive market. - Leadership and Mentorship: I am passionate about leading teams and mentoring emerging professionals, fostering a culture of continuous improvement and innovation. My track record of success is built on a deep understanding of both the technical and business aspects of IT, enabling me to deliver comprehensive solutions that drive measurable results.
SoftPartners
Associated with
SoftPartners
$20K+
earned
$20/hr
100% Job Success
$10K+ earned
Available now
Offers consultations
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Web Development | Full-Stack Development | Front-End Development | Back-End Development | JavaScript | TypeScript | Firebase | Supabase | ReactJS | NextJS | NodeJS | NestJS | ReduxJS | ExpressJS | Material UI | Shadcn UI | TailwindCSS | RadixUI | ChakraUI | SCSS | HTML 5 | CSS 3 | AWS | Docker | Mongo DB | PostgreSQL | OpenAI API | Neo4j | Pinecone DB | Sequelize | TypeORM | Stripe | Twilio | SendGrid | WebSockets | socketio Welcome to my profile!✌️ I am a results-driven Full-stack developer with 3 years of professional experience, ready to build modern, reliable and high-performance products using best practices in technology. I specialize in JavaScript-based tech stacks and work with technologies including JavaScript, TypeScript, React.js, Material UI, Tailwind CSS, Redux, Node.js, NestJS, Firebase, MongoDB, PostgreSQL, MySQL, GraphQL, and more. 🎨Front-End Expertise: JavaScript, TypeScript, Next.js, React.js (react-storybook), Redux.js (Redux Toolkit, Redux Thunk), Material UI, Ant Design, Tailwind CSS, styled-components, SCSS, Less, Sass, HTML5, CSS3, Socket io, Chart.js, ApexCharts, Highcharts, Recharts, ECharts 💎Back-End Expertise: JavaScript, TypeScript, Node.js, Express.js, NestJS, Firebase, MongoDB, PostgreSQL, MySQL, Pinecone DB, Neo4j, GraphQL, Sequelize, TypeORM, Stripe, Twilio, SendGrid, RabbitMQ, Socket io, WebSockets, Auth0, JWT, CI/CD (GitHub Actions, GitLab, Bitbucket), Mocha, Jest, Docker, AWS (EC2, Lambda, API Gateway, S3, RDS, Cognito, Elastic Beanstalk), Algolia, ElasticSearch 🎯What I Deliver: Responsive, pixel-perfect web applications from Figma, Sketch or Adobe XD designsScalable REST and GraphQL APIs with secure authenticationReal-time features using WebSockets and Socket ioThird-party integrations (Stripe, PayPal, Twilio, Google Maps, SendGrid)Cloud deployment and CI/CD pipelines (AWS, Vercel, Netlify)Data visualization dashboards with Chart.js and ApexChartsE-commerce platforms, SaaS applications, and fintech solutions ✨When you work with me, you can expect: Strong technical expertise across the full stackHigh-quality, detail-oriented workA broad and continuously growing skill setClear communication and collaborative mindset (fluent English)High reliability and commitment to deadlines Web Development frontend skills I'm ready to provide: JavaScript and TypeScript programming languages React nextjs React TypeScript Front end developer React frontend development Next.js react full stack nextjs Skills and expertise in Material UI MUI MaterialUI AntDesign Ant frameworks Skills and expertise in Tailwind CSS TailwindCSS Tailwind and styled-components styled components Skills and expertise in data visualization libraries chart.js recharts.js Apexcharts Highcharts Expertise with socketio and websockets Frontend expertise in HTML CSS HTML5 CSS3 SCSS Sass Less Web Development Back-End skills I'm ready to provide: Node.js backend node.js backend AWS backend developer nest.js Nest.js backend developer nestjs fullstack nestjs Express.js backend developer Express back-end Express back end AWS aws developer full stack developer aws node.js aws nestjs aws AWS (Amplify, Lambda, Cognito, EC2, S3, etc.) Firebase backend Firebase nextjs Firebase Supabase back end Supabase Databases PostgreSQL MongoDB Postgre SQL Mongo DB GraphQL Graph QL Writing tests using Mocha Jest frameworks Docker Auth0 0Auth JWT CI/CD RabbitMQ Sequelize TypeORM Elasticsearch Stripe Stripe API Payment system integration chatGPT API integration SendGrid API SengGrid email API Twilio API Twilio SMS API Low Coding Prompt Engineering Semi Vibe Coding Let's bring your vision to life! Whether you need a complete web application built from scratch, API development, frontend modernization or ongoing maintenance and feature development, I'm here to help. Feel free to reach out to discuss your project, I'm ready to start delivering results today.
Incode Group
Associated with
Incode Group
$900K+
earned
Rasim M.
$15/hr
100% Job Success
$50K+ earned
Available now
Offers consultations
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Top Rated | 100% JSS | 50+ Projects | SaaS & VC-Backed Startups Frontend engineer focused on building fast, scalable SaaS products that are ready for real users - not just demos. I work with startups, founders, and product teams to turn ideas, Figma designs, and existing products into polished, production-ready web apps using Vue/Nuxt and React/Next.js. Over the last 5+ years, I’ve built SaaS dashboards, internal tools, client portals, MVPs, AI tools, fintech platforms, marketplaces, and marketing platforms (multi-page websites + CMS systems) for VC-backed startups ($25M+ funding) What I can help you build: - SaaS dashboards & admin panels - MVPs for fast launch and validation - AI-integrated web applications - Fintech & analytics platforms - Internal tools & business platforms - Marketplaces & booking systems - CRM / ERP interfaces - Real-time apps with WebSockets - Mobile-ready apps with Capacitor - Landing pages with strong UX & conversion focus - Complex frontend architectures - Pixel-perfect UI from Figma - Responsive, mobile-first applications - API integrations & third-party services - Performance optimization & frontend scaling What clients value about working with me: - Clean, scalable, maintainable code - Fast communication and consistent updates - Strong product thinking, not just coding - Attention to UX, performance, and details - Ability to work independently without micromanagement - Production-focused mindset from day one - Reliable delivery and ownership of features - Focus on long-term scalability, not quick hacks I don’t just build interfaces - I help create products that feel fast, modern, and reliable for real users. Core stack: Frontend: Vue, Nuxt.js React, Next.js, TypeScript Capacitor, React Native JavaScript Pinia, Vuex, Zustand, GSAP, Three.js, Anime.js Backend & APIs: Node.js, Express, Hono Python, Django, REST APIs, GraphQL Supabase, PostgreSQL Firebase, Auth systems, Realtime data UI & Performance: Tailwind CSS, SCSS, CSS Modules Responsive design, animations, optimization SSR, SPA, PWA Tools & Workflow: Git, GitHub, GitLab CI/ID Vercel, Netlify, Docker Figma-to-code workflows Agile / Startup environments Good fit if you need: - A frontend developer who can own features end-to-end - A reliable engineer for a long-term SaaS product - Someone who understands startup speed and priorities - A developer who can turn designs into polished production UI - Fast execution without sacrificing scalability - Clean frontend architecture for growing products If you need a fast, scalable SaaS frontend or MVP built properly from the start - send me a message.
Rasim M. has worked .
Dmitry B.
$50/hr
100% Job Success
$60K+ earned
Offers consultations
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Hi there, I'm the CEO of a company specializing in web and mobile development, UI/UX design, ERP and CRM systems, and Property Management Systems software development. Our company has been helping businesses of all sizes transform their digital presence and streamline their operations for over a decade. We are a team of highly skilled developers, designers, and project managers who are passionate about delivering exceptional software solutions to our clients. Our goal is to create software that not only meets the needs of our clients but exceeds their expectations in terms of usability, functionality, and design. We take a user-centric approach to our work, which means that we prioritize the needs of the end users when designing and developing software. Our team of UI/UX designers works closely with our clients to understand their brand and user requirements and then create designs that are visually stunning and easy to navigate. Our ERP and CRM systems expertise has helped our clients streamline their operations and manage their customer relationships more effectively. In addition, we have developed Property Management software that has helped real estate businesses manage their properties more efficiently. Our software is designed to be easy to use and provides real-time information about property occupancy, maintenance requests, and financial reporting. We are dedicated to providing our clients with exceptional software solutions to help them achieve their business goals. We take pride in our work and are committed to delivering projects on time and within budget. What we do: ✔️ ERP ✔️ CRM ✔️ SaaS ✔️ Property Management System ✔️ Construction Management platforms ✔️ Logistics solutions, Fleet and Freight Management Software ✔️ B2B / B2C Marketplaces ✔️ HealthTech solutions Let's get things done together!
Requestum
Associated with
Requestum
$9M+
earned
$33/hr
100% Job Success
$100K+ earned
Available now
Offers consultations
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I’m a full stack developer, react developer, and web developer helping businesses build, fix, and improve SaaS products, web applications, dashboards, internal tools, and client platforms with react, next.js, node.js, supabase, postgresql, API integration, and AI-powered workflows. As a full stack developer, I work across front end and back end development. As a react developer and next.js developer, I build and improve modern web application interfaces, dashboards, admin panels, and client-facing product flows. As a node.js developer, I work on business logic, API integration, authentication, webhooks, oauth, stripe flows, and product functionality that supports real SaaS and web application use cases. My work often combines react, next.js, node.js, javascript, typescript, supabase, and postgresql inside one product. Clients usually hire me when they need a full stack developer who can do more than isolated tasks. They need a react developer who can work inside a real product, a next.js developer who can improve an existing web application, and a node.js developer who can connect front end and back end logic cleanly. I help build MVPs, improve SaaS products, fix broken web applications, stabilize dashboards, extend internal tools, improve client portals, and support existing codebases that need stronger full stack development. A lot of my work is with react, next.js, and node.js products that already exist but need improvement. That can mean bug fixing, maintenance, stabilization, performance improvement, API integration, dashboard development, admin panel development, auth flow fixes, web application cleanup, SaaS feature delivery, or extending an MVP into a more production-ready SaaS platform. I’m comfortable joining an existing codebase and working as a full stack developer, react developer, next.js developer, or node.js developer depending on what the product needs most. I also work with supabase and postgresql when a SaaS product or web application needs database logic, authentication, real-time functionality, role-based access, or cleaner back end structure. In many projects, react, next.js, node.js, supabase, and postgresql work together as the core stack, and that is a stack I’m comfortable building, fixing, and extending. I regularly work on web application and SaaS development that includes API integration, stripe, oauth, webhooks, dashboards, internal tools, and client-facing product flows. As a react developer, I can help build responsive product UI, dashboard UI, admin interfaces, and front end functionality inside larger web applications. As a next.js developer, I can help with product architecture, page flows, performance, routing, feature delivery, and production-ready SaaS implementation. As a node.js developer, I can help with API integration, back end logic, business workflows, third-party services, and server-side product functionality. As a full stack developer, I can connect all of those layers into one working product. I also work with AI when it supports a real SaaS or web application use case. That includes AI integration with OpenAI or Claude APIs, AI-assisted product features, AI workflows inside dashboards and internal tools, and automation that supports web application, SaaS, or client platform functionality. When useful, I can also support web scraping and automation if it fits the product and strengthens a real business workflow. If you need a full stack developer, react developer, next.js developer, node.js developer, or web developer for a SaaS product, web application, dashboard, internal tool, API integration project, MVP, client portal, supabase app, postgresql-based system, or AI-powered product feature, send me a message and I’ll review your project.
Anton K. has worked .
Incode Group
Associated with
Incode Group
$900K+
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