I am an experienced Full-Stack PHP Developer with over 15 years in web development, specializing in PHP, MySQL, JavaScript, OOJS, jQuery, Git, and WordPress. I have extensive experience in developing and maintaining small to mid-sized web applications, as well as troubleshooting and customizing existing solutions. My passion lies in problem-solving, debugging, and delivering high-quality, scalable solutions in both JavaScript and PHP. I hold a science degree along with a three-year diploma in software development. Over the past 10+ years, I have successfully worked as part of distributed teams across multiple locations, collaborating seamlessly in remote work environments. My professional expertise includes: • Version Control & Collaboration: Proficient in Git (GitHub, Bitbucket) for code versioning and collaboration. • Project Management: Experienced in Jira for agile workflow management. • PHP Development: Skilled in PHP (5-8.3)—both core/custom development and frameworks like CakePHP, CodeIgniter, and Laravel. • JavaScript & Frontend Development: Strong knowledge of vanilla JavaScript, jQuery, and Vue.js, with a keen interest in exploring new frameworks. • Team Management: Experienced in leading small teams (2-5 developers), mentoring junior programmers, and ensuring project success. I thrive in remote work environments and am confident that my technical expertise, problem-solving skills, and ability to collaborate across time zones will make me a valuable addition to your team. I would love the opportunity to discuss how I can contribute to your projects. Working Hours / Availability: IST: 10:30 AM - 7:30 AM & 10:30 PM - 2:30 AM For long term contracts can adjust according to requirement. I am also available for free demo tasks, so you can verify my skills. Best regards, Anil Nautiyal

👋 I'm a Full Stack Developer with 10+ years of experience as a Java and PHP software engineer. Over the past 9 years, I've also focused on frontend frameworks, working extensively with Spring, Laravel Yii Vue and React Prior to that, I gained valuable experience with CMS systems like Opencart and WordPress. 🚀 I've had the opportunity to collaborate with both small and large international teams (10+ members) and have developed expertise in project management tools such as Jira, Trello, and VCS. Additionally, I'm proficient in Linux systems and CI/CD processes. Throughout my career, I've worked on high-load systems, built server-side high-capacity applications, and developed complex multi-platform user interfaces.👍 💪 My technical Full Stack Developer skill set includes: ➜ Java Kotlin and PHP : 10+ years of experience with PHP ( Laravel Yii Symfony Zend ) and Java (Core/EE Vaadin Spring ) ➜ Frontend Frameworks: Experience with Vue.js React Nuxt.js Next.js Vuetify and Cordova specializing in creating responsive and usable interfaces. ➜ JavaScript and TypeScript: Strong skills in JavaScript and TypeScript to create dynamic and efficient applications. ➜ Backend Development: Experience with Node.js Express.js and AdonisJS to create scalable server-side solutions. ➜ Databases: Knowledge of MySQL PostgreSQL Redis MongoDB and others, optimizing database performance. ➜ API development and integration: Extensive experience in creating and integrating RESTful and GraphQL APIs, including third-party services such as Stripe and Twilio, etc. ➜ AI Integration: Hands-on experience integrating AI-based features. ➜ DevOps and tools: Proficient in Git, Docker, Jenkins, and Jira, ensuring CI/CD and project management runs smoothly. 📌 When you choose to work with me ( Experienced Full-Stack Developer ), you’re partnering with a developer who not only understands your goals but is also dedicated to delivering outstanding solutions. I place a strong emphasis on customer satisfaction, and my commitment to engineering excellence ensures that I create value at every stage of the project.🚀 🏆 Our experience in Full-Stack development : ✔️ 10+ years of experience in web and mobile Full Stack development ✔️ 250+ projects for startups, SaaS platforms E-commerce + Marketplace, Booking Platforms, MVPs, AI chatbots / AI solutions ✔️ 22,574+ hours worked on Upwork ✔️ 42+ countries we operate in providing top-notch web development solutions ✔️ AI & automation ready - experience with AI chatbots, OpenAI integrations, and content automation ✔️ From idea to launch - UI/UX design, frontend & backend development, QA, and post-launch support ✔️ Flexible and client-focused - personalized approach, clear communication, and full dedication to results 📌Full-Stack Development AI & Chatbot Development Expertise ( Full-Stack Developer ) 🔸 Extensive experience in building AI-powered solutions, including custom GPT-based chatbots, document analysis tools, and intelligent automation systems 🔸 Integration with OpenAI API (GPT-3.5/4) for chatbot creation, semantic search, text summarization, language translation, and prompt-driven workflows 🔸 LangChain & Prompt Engineering – building multi-step, context-aware interactions for advanced conversational agents 🔸 Real-world use cases: Legal & medical document parsing, customer support bots, smart assistants for booking/e-commerce platforms 🔸 Secure & scalable architecture – including role-based access control, user session management, and protected endpoints for AI services 🔸 Hybrid solutions – AI integrated into full-stack applications (React / Vue + Node.js / NestJS) with real-time data flow and third-party APIs (Twilio, Slack, Stripe, CRM systems) 🔸 Cloud-ready & optimized – deployed via AWS, Vercel, Supabase, with performance monitoring and cost-effective API usage strategies 🔸 100% rapid prototyping to production – from PoC to polished tools with clean UI/UX and user-centric flow 🔸 Continuous collaboration with product teams to refine AI logic and ensure high relevance and response quality 🔸 AI Tools I Use- Botpress / Lovable / Cursor Bolt.new / Deepgram / n8n / Make / Zapier 📌 Full-Stack Web & SaaS / E-commerce Development Expertise ( Full-Stack Developer ) 🔹 10+ years of hands-on experience in building scalable web & mobile applications 🔹 250+ completed projects - from MVP to production-ready SaaS platforms 🔹 Full product cycle: from idea validation and prototyping to launch and post-release support 🔹 Modern stack: Vue \ Nuxt, React \ Next.js Node.js JavaScript TypeScript, NestJS, Node js PostgreSQL, MongoDB, AWS, Supabase & more 🔹 AI Integration: OpenAI, LangChain, chatbot development, prompt engineering, GPT-based tools 🔹 Marketplace, E-commerce, Booking Platforms - tailored logic, secure payments, real-time updates 🔹 API Integrations: Stripe Slack Twilio OpenAI CRM systems, social media API 🔹 Efficient & secure architectures -clean code modular structure role-based access

I bring a balanced blend of scalable applications and great documentation to your software projects. This means that, in addition to building you a high-quality application, I also draft, edit, and publish (software) documentation that help users and other developers understand, use, and contribute to a new or existing application/codebase. Below is a list of the services I provide: 🌐 Web Development: Frontend: Rust, JavaScript/TypeScript, React, Next.js, Astro.js, CSS, TailwindCSS, Bootstrap. Backend: Rust, JavaScript (Node.js)/TypeScript, PostgresQL, GraphQL, MySQL, MongoDB, Redis 📜 CLI Scripting with Rust, Node.js, Python, PHP, Execa, Gulp, BASH, SH, and BATCH. 💻 Cross-platform desktop applications using Electron. 🔧 Testing with Playwright Jest, Mocha, Cypress, and Bats. 🔄 DevOps and Automation using Ansible, Docker/devcontainers, and CI plipelines such as GitHub Actions. 🤖 AI integration using OpenAI, Ollama, and other APIs. 📝 Well-structured documentation using Rust Doc, DocumentationJS/JSDoc, OpenAPI, Markdown, reStructuredText, and more. WHAT’S IN IT FOR YOU? - Great software and documentation. - Timely delivery. - Responsive (async/sync) communication. - Quick turnaround. LET’S CONNECT! Are you in need of a Rust or a JavaScript/NodeJS developer or technical writer? Contact me today for a quick chat, interview, or test to see how I can contribute to your project’s success.

Hi 👋 I’m Top Rated Full Stack JavaScript who worked with startup founders closely to developing reliable and efficient applications. With strong focus on problem-solving and debugging while having owners informed about every stage of project, progress and obstacles what requires commitment and communications to overdue . ⭐️ 100% Client Satisfaction 🧑‍💻 5+ Years of enterprise experience 💎 100% Long-Term Contracts 👨‍🎓 Certified in Computer Science What I Bring to Your Project: ✅ Exceptional Quality ✅ Prompt Communication ✅ Reliability & Commitment ✅ Tailored Solutions ✅ Passion & Expertise Technologies 💎 ► React.js ► Next.js ► Node.js ► Express.js ► Tailwind CSS ► PHP Languages 🎙 📌 JavaScript 📌 TypeScript 📌 WordPress 📌 SQL 📌 CSS, CSS3, Bootstrap, Material 📌 HTML, HTML5, XML Tools ⚙️ ⚡️ Git, GitHub, GitLab, Bitbucket ⚡️ VSCode, Slack, Nifty ⚡️ Hosting, SSH ⚡️ Bash, CMD, NPM ⚡️ Cursor 💬 Let’s collaborate on your next project.

🔥 Need a reliable JavaScript developer to fix issues, implement critical features, or build a technical proof-of-concept? I quickly step into existing projects, diagnose complex problems, and deliver clean, structured solutions — whether it’s debugging, integrations, or focused custom builds. 🚀 WHAT I OFFER 🔧 Critical Bug Resolution Deep investigation and reliable fixes for complex issues in React, Node.js, Electron, and existing JavaScript applications. ✨ Feature Development & Integrations Clean, scalable implementation of new features, third-party API integrations, authentication flows, and complex business logic. 🛠 Custom Builds (Small Technical Projects) Focused development of proof-of-concepts, demo applications, extensions, workflow tools, and critical integrations — built efficiently with clean structure and clear implementation. ⚙️ Codebase Enhancements Refactoring, modernization, performance optimization, and architecture improvements for long-term stability. ⚡ Rapid Troubleshooting Fast, precise debugging backed by diverse real-world project experience. 💻 TECH STACK & EXPERTISE 🎨 Frontend: JavaScript (ES6+), TypeScript, React, React Native (Expo), HTML5, CSS 🧩 Extensions & Desktop: Chrome Extensions (Manifest v3, WXT), Electron.js ⚙️ Backend: Node.js, Express.js, PHP, REST APIs, Webhooks, Custom Integrations 🔐 Authentication & Integrations: OAuth, Supabase Auth, Third-party API Integrations 🗄 Databases: MongoDB, PostgreSQL, MySQL 🚀 Deployment & DevOps: Vercel, Render, AWS (EC2, S3), Railway, Heroku ⚡ Efficiency: AI-assisted debugging, automation, performance optimization 💼 WHY CLIENTS HIRE ME • Speed & Precision – Fast delivery with stable, maintainable solutions • Ownership – I handle tasks end-to-end with minimal supervision • Communication – Clear updates and consistent progress reports If you need a dependable JavaScript specialist to stabilize, improve, or scale your application, I’m ready to help.

I have been a professional Senior Full Stack Developer since 2013. During that time, I have coded complex software systems, ranging from booking platform, news aggregator, reporting system, marketplace and keep up to date on the latest practices in coding in Webflow, JavaScript, React.js, HTML, CSS, Bootstrap, Node.js, Nest.js, WordPress, and WooCommerce. I am a part of the Polcode team, a Polish software development company established in 2006 with over 150 developers, designers, project managers, DevOps and QA specialists onboard. This means that besides my programming skills you always have access to a full-stack product design & development team. My technical expertise: - Code quality: Design Patterns, Test Driven Development (Rspec) - Version control system: GIT - Issue trackers: Redmine, Trello, JIRA, Asana My technology stack: - Backend: Webflow, Node.js, Nest.js, PHP 5/7, MySql, WordPress, WooCommerce, MVC - Frontend: Webflow,React.js, Twitter Bootstrap, CSS, HTML, SASS, LESS, JavaScript, React.js, Gatsby.js AJAX - Database Designs and programming: MySQL, PostrgreSQL, GraphQL, MongoDB My approach: - reliability and solidity, - efficiency and speed in problem-solving, - communication and optimal organization of work, - creativity and good advice More about Polcode Polcode provides customized software solutions for startups, SaaS companies, eCommerce stores, and enterprise clients worldwide. From building the product from scratch to extending the existing teams, we have expertise in a diverse set of open source technologies and platforms to bring innovation in an agile fashion. Our team excels in PHP, Symfony, Laravel, Magento, Go, React Native, React.js, Vue.js, Ruby on Rails and Angular. With over 150 people, Polcode has either empowered client teams or delivered end-to-end development projects for brands from fintech, manufacturing, consulting, eCommerce, marketing or eLearning industries and is recognized as Top Developer in Poland by Clutch. Looking forward to our cooperation! Konrad, Polcode Dev Team

🔸 Top Rated Plus (top 3% on Upwork) with 11,000+ hours and 90+ completed projects, I’ve delivered for SaaS platforms, CMS-driven sites, and high-converting marketing pages. ▸ HTML5, CSS3, JavaScript (ES6), TypeScript ▸ Frameworks: React, Next.js, Angular, Vue.js ▸ CMS & platforms: WordPress (Elementor, Divi), Drupal, Magento, Shopify, Webflow, Wix, Framer ▸ Ready frontend for PHP, Ruby on Rails, ASP.NET, C# ▸ Styling: Bootstrap, Tailwind CSS, Material Design, Semantic UI, Bulma, SCSS ▸ CSS Architecture: BEM, OOCSS, Atomic CSS, modular CSS systems ▸ Templating: Twig, Pug, Nunjucks, Liquid ▸ Data visualization: D3.js, Chart.js, Recharts, Highcharts, Deck.gl ▸ GSAP animations ▸ Cross-browser responsive development (mobile, tablet, desktop, retina) ▸ Specialized SEO markup: schema org / JSON-LD ▸ HTML for emails, HTML to PDF, print-ready HTML ▸ ADA Compliance audit WCAG

If you need someone who writes durable, production-ready systems rather than “vibe code”, I’m your developer. I’m a senior full-stack JavaScript developer focused on reliability and long-term value. I don’t ship trendy “quick hacks”. I build code that is clean, maintainable and safe to scale. My work is predictable: documented, validated and structured. Clients stay with me because projects continue to run smoothly months later, not just on delivery day. What you get: • Stable, maintainable architecture • Clean, well-tested features • Clear communication and deadlines • Long-term collaboration instead of one-off fixes

$1M+ earned on Upwork, placing me among a very small percentage of freelancers on the platform. 👋 I’m a veteran Senior Full-Stack JavaScript/TypeScript Engineer, Full Stack JavaScript Developer, React Developer, Node.js Developer, and Web Developer with 25+ years of experience building scalable web applications, SaaS platforms, automation systems, browser extensions, and enterprise-grade JavaScript products. I work across the full product lifecycle - from architecture and UI development to backend APIs, cloud infrastructure, integrations, performance optimization, and production support. My core stack includes React, React.js, Next.js, Node.js, NestJS, TypeScript, Vue.js, Angular, PostgreSQL, MongoDB, Redis, AWS, Docker, and serverless technologies. Over the years, I’ve delivered 700+ projects across SaaS, eCommerce, Fintech, Web-to-Print, EdTech, Healthcare, CRM, AI automation, marketplaces, analytics, and enterprise platforms. 🏆 RESULTS & EXPERIENCE ✔ 25+ years in full stack development and web engineering ✔ 700+ web, SaaS, React, Node.js, and automation projects delivered ✔ Systems handling 10M+ API requests per month ✔ 30+ applications scoring 90–100 in Lighthouse audits ✔ Backend performance improvements of up to 50% ✔ Production experience with startups, scaling products, and enterprise systems ✔ Advanced AWS serverless, event-driven, and real-time architecture ✔ CI/CD and monorepo workflows that accelerate delivery and simplify maintenance ⚡ FRONTEND / REACT DEVELOPMENT As a Senior React Developer and Frontend Developer, I build fast, maintainable interfaces for SaaS platforms, dashboards, marketplaces, internal tools, and customer-facing applications. My frontend expertise includes: • React 18, React.js, Next.js 14+, Vue.js, Angular, TypeScript • SPA, SSR, ISR, PWA, and responsive web application development • Tailwind CSS, Material UI, SCSS, Bootstrap, and reusable UI systems • Complex dashboards, analytics interfaces, charts, and data visualization • Storybook, design systems, reusable component libraries, and UI architecture • Nx, Turborepo, Module Federation, and micro frontend architecture • Core Web Vitals, Lighthouse optimization, bundle reduction, and frontend performance • Mobile-first development and React Native integrations • Chrome extensions, browser extensions, content scripts, background services, and extension APIs • Puppeteer, Playwright, browser automation, scraping workflows, and automated testing 🔌 NODE.JS / BACKEND DEVELOPMENT As a Node.js Developer and Backend Developer, I design scalable APIs and backend systems that support complex business logic, real-time workflows, automation, and high-volume applications. • Node.js, NestJS, Express, Koa, Hapi • REST API and GraphQL development • PostgreSQL, MongoDB, MySQL, DynamoDB, Firebase, Redis • Prisma, Sequelize, TypeORM, Mongoose • JWT, OAuth, RBAC, secure authentication, and permissions • WebSockets, SocketIO, Redis, Kafka, and real-time infrastructure • BullMQ, AWS SQS, queues, workers, and background processing • Microservices and event-driven architecture • AWS Lambda, EventBridge, Step Functions, and serverless systems • ETL pipelines, analytics processing, and data aggregation • OpenAI API, Dialogflow, AI integrations, and automation workflows ☁️ CLOUD, DEVOPS & DELIVERY I build production-ready systems with reliable deployment, monitoring, and scaling workflows. • AWS, Docker, CloudFront, S3, Vercel, Firebase • GitHub Actions, GitLab CI/CD, Bitbucket Pipelines • AWS CDK and infrastructure as code • Sentry, Datadog, ELK Stack, logging, and monitoring • Redis caching, database optimization, and cloud cost reduction • Monorepos with Nx and Turborepo • Secure deployment and environment management 🌍 PRODUCTS I BUILD • SaaS platforms and startup MVPs • AI-powered products and automation systems • eCommerce and marketplace platforms • CRM, ERP, and internal business tools • Fintech and analytics applications • Healthcare and EdTech platforms • Real-time dashboards and reporting systems • Browser extensions and browser automation tools • API integrations and workflow automation • Legacy platform modernization ⚙️ CORE TECHNOLOGIES JavaScript, TypeScript, React, React.js, Next.js, Vue.js, Angular, Node.js, NestJS, Express, PostgreSQL, MongoDB, MySQL, Redis, AWS, Docker, Firebase, Vercel, GraphQL, WebSockets, Puppeteer, Playwright, Stripe, OpenAI API, SendGrid, PandaDoc. ✅ LET’S BUILD A PRODUCT THAT CAN SCALE If you need a Senior Full Stack Developer, Full Stack JavaScript Developer, React Developer, Next.js Developer, Node.js Developer, Backend Developer, or Web Developer who can take ownership of both architecture and delivery, I’d be glad to help. Message me to discuss your SaaS platform, web application, automation system, browser extension, marketplace, CRM, AI product, or enterprise platform.

I'm a full stack JavaScript developer. I have experience working with ReactJS and NodeJS. I'm familiar with the WebExtensions API and I've created a lot of browser extensions. I'm also a Java developer and I'm familiar with the Android SDK.