Graduate of engineering, enjoy building websites and web apps .. I've been working as a web developer for 9+ years. I am very strict for the deadline, my time management is good and always want to work with my client very honestly. My fields of expertise include (but are not limited to): - React.js, Next.js, Vue.js - JavaScript, jQuery - AngularJS, Node.js - HTML, HAML, CSS, SASS, Bootstrap, Material-UI, Pure CSS, Tailwind CSS - Ruby on Rails - Wordpress, Webflow, Framer, Squarespace, Wix, Sharetribe, Prestashop, Shopify, HubSport - Git (Github/Bitbucket/Gitlab) - Heroku, Digital Ocean, GoDaddy, Bluehost - PHP, MySQL, AWS - Wordpress Themes: Divi, Elementor, Themeisle, Envato, Avada, WPBakery, Oxygen Builder - Plugins: Contact 7, Gravity Forms, Ninja Forms, Yoast SEO, WP Rocket, Advanced Custom Fields, WooCommerce, Dokan, All in One WP Migration, LiteSpeed

🥇 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 (𝐓𝐨𝐩 𝟑% 𝐓𝐚𝐥𝐞𝐧𝐭) | 15,000+ 𝐔𝐩𝐰𝐨𝐫𝐤 𝐇𝐨𝐮𝐫𝐬 Experience | 𝟏𝟎𝟎% Work Satisfaction | 👍 Consistent 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 🥇 𝟕+ 𝐲𝐞𝐚𝐫𝐬 of proven expertise in Typescript, JavaScript and hands-on experience in 𝐀𝐧𝐠𝐮𝐥𝐚𝐫, 𝐀𝐧𝐠𝐮𝐥𝐚𝐫𝐉𝐒, 𝐍𝐗 𝐌𝐢𝐜𝐫𝐨 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝, 𝐑𝐞𝐚𝐜𝐭, 𝐑𝐞𝐝𝐮𝐱, 𝐍𝐨𝐝𝐞 and .𝐍𝐞𝐭 𝐂𝐨𝐫𝐞. 👉 Senior 𝐀𝐧𝐠𝐮𝐥𝐚𝐫 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 𝟕+ 𝐲𝐞𝐚𝐫𝐬 of experience building large scale enterprise SaaS applications using NX Mono Repo, Micro Frontend Architecture, NGRX and Typescript. 🤝 Strong skills in Communication, Project Management, Team Leadership and Task Planning. ❤️ Passionate about JavaScript, Typescript, Angular, React, Node and .Net Core. 👉 I am specialize in building scalable SaaS Angular/React enterprise applications with modular architecture, reusable component systems, and performance-optimized state management. 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬: Angular, AngularJS, NX Monorepo, Micro frontend architecture, React, TypeScript, JavaScript, GraphQL, REST API, .NET Core, Node, Redux, NGRX, NGXS, Angular Material, Storybook, Tailwind CSS, SCSS, HTML 𝐀𝐈 𝐓𝐨𝐨𝐥𝐬: Claude, Git Copliot, Cursor, Replit, Lovable 𝐔𝐈 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬: Angular Material, Ant Design, Hero UI, Prime NG, Kendo UI, Syncfusion Angular, Bootstrap, Semantic UI 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐓𝐨𝐨𝐥𝐬: n8n, Make dot com 𝐃𝐚𝐭𝐚 𝐓𝐚𝐛𝐥𝐞 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬: Ag-grid, ngx-datatable 𝟑𝐫𝐝 𝐏𝐚𝐫𝐭𝐲 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬 & 𝐓𝐨𝐨𝐥𝐬: Moment.js, D3.js, Chart.js, RxJS, Angular Charts, Lodash, pdf.js, Quill Rich Text Editor, ngx-formly, keyclock-js 𝐌𝐚𝐩 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬: Google Map, Leaflet 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐆𝐚𝐭𝐞𝐰𝐚𝐲: Paypal, Stripe, Rozarpay 𝐂𝐥𝐨𝐮𝐝 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: AWS, Azure 𝐀𝐝𝐝𝐢𝐭𝐢𝐨𝐧𝐚𝐥 𝐒𝐤𝐢𝐥𝐥𝐬: Postman, Swagger, Git/GitHub, Jira, Slack, Trello, Bitbucket, GitLab, Figma, Docker 💡 My core strength lies in building 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐬𝐞𝐜𝐮𝐫𝐞, 𝐚𝐧𝐝 𝐮𝐬𝐞𝐫-𝐟𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 with Angular and modern frameworks. I specialize in delivering 𝐫𝐞𝐬𝐩𝐨𝐧𝐬𝐢𝐯𝐞 𝐔𝐈/𝐔𝐗, 𝐜𝐥𝐞𝐚𝐧 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞, 𝐚𝐧𝐝 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. 🚀 Along with strong technical expertise, I bring 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐞𝐱𝐜𝐞𝐥𝐥𝐞𝐧𝐜𝐞 to ensure clear communication, smooth execution, and timely delivery. 👉 If you’re looking for a 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞, 𝐝𝐞𝐭𝐚𝐢𝐥-𝐨𝐫𝐢𝐞𝐧𝐭𝐞𝐝, 𝐚𝐧𝐝 𝐫𝐞𝐬𝐮𝐥𝐭𝐬-𝐝𝐫𝐢𝐯𝐞𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, let’s collaborate to turn your ideas into impactful solutions. 📩 Get in touch today, and let’s start building something great together! Let's discuss your project and find the best technical approach for your business goals.

Hello. My name is Alex. I am a Full Stack developer with total experience of more than 10 years. My strong points are Punctuality and Result Orientation. My goals are always to meet the needs of my client and his/her deadlines. When I am working on new projects, I like to keep clear communication with my clients, as I believe this is a key to successful accomplishment of my work. In 2010 I began to develop web application. Also I have experience in development of desktop and mobile applications using C#. Besides, I have about 2 years of experience in development in android and java. Here is my technology stack: - C# - ASP.NET MVC - PHP/Laravel - SQL - MS SQL - HTML 5 - CSS 3 - Javascript/jQuery - Angular.js, Node.js, Ember.js, Vue.js - Win32 - Xamarin, UWP, WPF - React Thanks for your time and attention to my candidacy. Looking forward to hear from you.

⭐ 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 🏆 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 | 💻 𝟵+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 Are you looking for a skilled 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝘁𝗼 𝘁𝗿𝗮𝗻𝘀𝗳𝗼𝗿𝗺 𝘆𝗼𝘂𝗿 𝗶𝗱𝗲𝗮𝘀 𝗶𝗻𝘁𝗼 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝘄𝗲𝗯 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀? 𝗪𝗶𝘁𝗵 over 𝟵+ 𝐲𝐞𝐚𝐫𝐬 of experience, I specialize in building scalable, secure, and innovative digital products that drive business success. 🔹 𝗠𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗜𝗻𝗰𝗹𝘂𝗱𝗲𝘀: • 𝗦𝗮𝗮𝗦 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Design and development of multi-tenant SaaS platforms with features like subscription billing, role-based access, and analytics. • 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Creating responsive and interactive web applications using Node.js, Python, React, Angular, and Next.js. • 𝗔𝗜 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: Integrating AI capabilities with OpenAI, Azure AI, and custom LLMs for enhanced automation and personalization. • 𝗖𝗹𝗼𝘂𝗱 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: Deploying robust solutions on Azure, AWS, and Google Cloud with Docker and CI/CD pipelines. • 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Building mobile-ready web and Flutter apps for seamless user experiences. • 𝗔𝗣𝗜 & 𝗣𝗹𝘂𝗴𝗶𝗻 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Implementing payment gateways, maps, media, chat, and third-party SaaS APIs. 🔷 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀: • 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, Angular, TypeScript, JavaScript • 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, NestJS, Express.js, Python • 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL, MySQL, MongoDB • 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀: Azure, AWS, Google Cloud, Docker, CI/CD • 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: OpenAI, Azure AI, ChatGPT API 🔷 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲? • 𝗣𝗿𝗼𝘃𝗲𝗻 𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱: Top Rated with 100% job success on Upwork. • 𝗘𝘅𝗽𝗲𝗿𝘁 𝗶𝗻 𝗦𝗮𝗮𝗦 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: Delivered successful SaaS solutions, CRMs, and analytics tools. • 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲: Focused on performance, modularity, and future-proofing. • 𝗘𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻: Clear updates and progress reports to ensure transparency. • 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗙𝗼𝗰𝘂𝘀𝗲𝗱: Implementing enterprise-grade security measures. 🔷 𝗜𝗱𝗲𝗮𝗹 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀: • SaaS Platforms (CRM, LMS, AI Tools) • Backend & API Development (Microservices, REST) • Frontend Development (React, Angular, Vue) • AI-Powered Applications (Chatbots, Automation) • Cloud Deployments (Azure, AWS, Docker) 🤝 𝗟𝗲𝘁’𝘀 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗲 𝘁𝗼 𝗜𝗻𝗻𝗼𝘃𝗮𝘁𝗲 Ready to bring your project to life? Whether it's launching an MVP, scaling a SaaS product, or integrating AI features, I’m here to help you succeed. 📩 𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝗺𝗲 𝘁𝗼𝗱𝗮𝘆 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗮𝗻𝗱 𝘁𝘂𝗿𝗻 𝘆𝗼𝘂𝗿 𝘃𝗶𝘀𝗶𝗼𝗻 𝗶𝗻𝘁𝗼 𝗿𝗲𝗮𝗹𝗶𝘁𝘆! 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Full Stack Developer | Full Stack SaaS Developer | SaaS Application Development | Full Stack .NET Developer | Full Stack React Developer | Full Stack SaaS Developer | Full Stack Node.js Developer | Full Stack Angular Developer | Full Stack Next.js Developer | Full Stack NestJS Developer | Full Stack MERN Developer | Full Stack SaaS Developer | Full Stack MEAN Developer | Full Stack PERN Developer | MongoDB | Full Stack SaaS Developer | Cloud Engineer | API Developer | Azure | AWS | Google Cloud | REST API | Microservices | DevOps | CI/CD | AI Specialist | ChatGPT Integration | Flutter | Cross-Platform Apps | Full Stack SaaS Developer | Scalable Software | Enterprise Developer | Full Stack Development | Web Application Development | SaaS Expert | Multi-Tenant SaaS | Web Application Developer

I build AI-powered SaaS products that actually ship - not prototypes that die in staging. 7 years • $50K+ earned • 32 completed projects across identity platforms, AI pipelines, real-time dashboards, and workflow automation, 89% job success, available now. What I deliver 🚀 End-to-end SaaS - multi-tenant architecture, billing, RBAC, and secure auth that holds up in production. Idea to MVP to scale. 🤖 AI applications - OpenAI/Claude integrations, RAG pipelines (Pinecone, pgvector, Weaviate), AI agents, chatbots, and document intelligence. ⚙️ Scalable backends - Node.js, Python, Java (Spring Boot). Microservices, REST, GraphQL, event-driven systems built for real traffic. 📱 Modern frontend - React, Next.js, React Native, Expo. Clean, fast, accessible interfaces. ☁️ Cloud & DevOps - AWS, GCP, Serverless, Docker, CI/CD. Deployments that don't break at 2 AM. How I work I think like a product owner, not just a coder: clean architecture from day one, clear daily communication, honest timelines, and code you won't rebuild in 6 months. Who I work with Funded startups chasing product-market fit · SaaS founders who need a technical partner, not hands · AI-first teams building serious infrastructure. Building something real? Send me a message about what you're working on - I'll reply within a few hours with honest thoughts on how I can help.

⭐ 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐒𝐜𝐨𝐫𝐞 | 𝟕+ 𝐘𝐞𝐚𝐫𝐬 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 | $𝟖𝟎𝐤+ 𝐄𝐚𝐫𝐧𝐞𝐝 | 𝟒𝟎𝟎𝟎+ 𝐇𝐨𝐮𝐫𝐬 You don’t just need fast code. You need well-architected, production-ready software delivered efficiently. I’m a senior full-stack engineer with 7+ years of experience in Angular, React, and Node.js, combined with an AI-assisted development workflow (Cursor AI, Claude Code, v0, LLM APIs) that helps reduce build time without compromising quality. I focus on shipping clean, scalable products from AI-powered MVPs and LLM integrations to enterprise-grade web applications. 𝐏𝐫𝐨𝐯𝐞𝐧 𝐑𝐞𝐬𝐮𝐥𝐭𝐬: ☛AI SaaS Platform (9 days): Built a GPT-4o-powered document analysis tool with RAG, embeddings, and a React dashboard, launched to 200+ beta users. ☛E-Commerce Marketplace (6 days) Delivered an Angular + Node.js marketplace with Stripe payments, real-time inventory, and AWS deployment. ☛Automotive ERP (12 days) Replaced a legacy system with a custom Angular ERP, reducing admin workload by 60%. 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞: Efficient, AI-Assisted Delivery – AI tools help accelerate development, reduce boilerplate, and catch issues early. Practical LLM Experience – Real-world production use of OpenAI, Claude, Gemini, Replicate, ElevenLabs, and Fal.ai. End-to-End Ownership – Frontend, backend, database, and deployment handled by one senior engineer. Consistent Track Record – Top-Rated on Upwork with a 100% Job Success Score. Strong Technical Judgment – I help shape the right solution, not just implement features. Clear, Reliable Communication – Async-friendly, proactive updates, and transparent progress. 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐝: AI-Powered SaaS MVPs – Angular or React frontends with NestJS / Node.js backends Intelligent Chatbots & AI Agents – Context-aware bots with tools, memory, and RAG AI Automation Workflows – n8n or custom-built LLM-driven automations Enterprise Web Applications – Advanced Angular apps (v10–18) APIs & Microservices – RESTful and GraphQL services E-Commerce & Payments – Stripe, Braintree, Authorize.Net Custom ERP & Business Systems Third-Party API Integrations 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: 𝐀𝐈 & 𝐋𝐋𝐌 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: LLM APIs: OpenAI (GPT-4o), Anthropic Claude, Google Gemini, Replicate, ElevenLabs, Fal.ai RAG Pipelines: Embeddings, vector search, document ingestion & retrieval Automation: n8n workflows, custom LLM orchestration, model fine-tuning AI Dev Tools: Cursor AI, Claude Code, GitHub Copilot, Replit Agent Generative Pipelines: Text, image, audio, and video generation 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: Angular 10–18 (CLI, Universal/SSR, Ivy, Lazy Loading, Reactive Forms, i18n) React v18 (Hooks, Context, Next.js–ready) TypeScript & JavaScript (ES2022+) UI Libraries & Styling: PrimeNG, Angular Material, Tailwind CSS AI UI Tooling: v0 by Vercel, Lovable.dev, Bolt.new (rapid component generation) 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js v18+, Express.js, NestJS API Architectures: RESTful APIs, GraphQL, WebSockets Databases: MySQL, PostgreSQL, MongoDB, SQL Server 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: Cloud Platforms: AWS (EC2, S3, Lambda), Microsoft Azure, Google App Engine, DigitalOcean Version Control & CI/CD: GitHub, GitLab, Bitbucket, automated pipelines Project Management: Jira, ClickUp, Trello Methodologies: Agile / Scrum 𝐇𝐨𝐰 𝐈 𝐖𝐨𝐫𝐤: Discovery & Scoping (Day 1): I review your requirements, define the architecture, select the right tech stack, and deliver a clear technical scope with realistic timelines, no guesswork or vague estimates. AI-Accelerated Build (Days 2–N): I use AI tools like Cursor AI and Claude Code to speed up development, refactor confidently, and catch issues early, maintaining high code quality while moving fast. Continuous Integration & Testing: Automated tests, cross-device QA, and performance optimization are built into every sprint, not treated as an afterthought. Cloud Deployment & Handoff: I handle production deployment on AWS or Azure, set up CI/CD pipelines, and provide clean documentation so your team can take over with confidence. Ongoing Support & Iteration: After launch, I support maintenance, security updates, and feature enhancements, acting as a long-term technical partner, not just a contractor. 𝐋𝐞𝐭’𝐬 𝐬𝐡𝐢𝐩 𝐬𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐫𝐞𝐚𝐥. Send your idea, and I’ll respond with a clear scope and timeline within hours.

I am a Front-End Developer (React / Next.js) with 6+ years of experience building scalable, high-performing, and maintainable web applications for companies worldwide. ⭐️⭐️⭐️⭐️⭐️ "The final product exceeded our expectations. The app is fast, responsive, and scalable. Polina responded quickly to feedback, implemented changes seamlessly, and ensured the codebase was clean and maintainable." 🎯 What I deliver as a React / Next.js Developer: ✔️ 6+ years of commercial experience across web, mobile, and enterprise applications ✔️ Expert in building high-performing, scalable, and maintainable front-end solutions using React, Next.js, and TypeScript ✔️ Full-stack development experience with Node.js, Express, Nest.js, PHP, Laravel, Symfony, and the MERN stack (MongoDB, Express, React, Node) ✔️ Extensive experience with databases including PostgreSQL, MySQL, MongoDB, and Redis, and working with GraphQL and REST APIs ✔️ Strong proficiency in front-end technologies: HTML5, CSS3, SASS, Tailwind CSS, Bootstrap, and responsive mobile-first design ✔️ Integration with third-party APIs and tools including Stripe, PayPal, Twilio, HubSpot, Odoo, Salesforce, and Google APIs ✔️ Expertise in building SaaS platforms, dashboards, landing pages, e-commerce websites, and AI-powered applications using React / Next.js ✔️ DevOps and infrastructure skills including AWS (Lambda, S3, Connect), CI/CD pipelines, Docker, Kubernetes, Cloudflare, DigitalOcean, and Linux-based server management ✔️ Hands-on experience with performance optimization, SEO-friendly architecture, accessibility, and security best practices ✔️ Building reusable React components, UI libraries, and scalable Next.js architecture to accelerate development and maintain consistency across large projects ✔️ Collaboration with designers, product managers, and QA teams to deliver functional, visually stunning, and production-ready React / Next.js applications 📊 Key Achievements in Numbers: 🔶 SaaS Dashboard for Logistics Company: ▪ Reduced page load times by 45% and optimized React components ▪ Improved dashboard usability, increasing adoption rates by 60% ▪ Streamlined workflows and automated reports, saving 30% of operational time 🔶 E-Commerce Store (Shopify + Next.js Front-End): ▪ Increased site speed by 3x, reducing bounce rates ▪ Optimized SEO and structured data for product pages ▪ Integrated payment gateways and custom API solutions for a seamless checkout 🔶 AI-Powered Application: ▪ Developed LLM-powered features in Next.js that reduced processing time by 35% ▪ Built scalable serverless architecture for heavy computational tasks ▪ Delivered real-time data visualization dashboards with React 🔶 Enterprise ERP / CRM Platform: ▪ Designed and implemented a full-stack React / Next.js solution with PostgreSQL ▪ Reduced operational costs by 38% through automation and optimized workflows ▪ Ensured cross-team collaboration and maintainable codebase for long-term scalability 💡 Why hire me? ▪ 6+ years in web development, React, Next.js, and full-stack applications ▪ 135+ projects delivered successfully for startups, e-commerce, SaaS, AI, fintech, and corporate clients ▪ Proven track record of delivering enterprise-grade solutions with startup speed ▪ Expertise in API integrations, third-party services, and custom backend solutions ▪ Strong collaboration with designers and product managers for pixel-perfect React / Next.js implementation ▪ Focus on performance, scalability, security, and maintainability ▪ Experienced with modern DevOps, CI/CD pipelines, and cloud infrastructure ▪ Skilled in responsive, mobile-first design and creating optimized user experiences ▪ Knowledge of SEO-friendly React / Next.js architecture, accessibility, and micro-interactions ▪ Ability to turn complex requirements into clean, maintainable, and scalable code 🚀 If you’re looking for a React / Next.js Developer who combines technical expertise, speed, and business-driven results - and can build production-ready, scalable web applications - let’s collaborate. I can help turn your ideas into performant, maintainable, and visually appealing React / Next.js applications that scale with your business. Last Update: 24.11.2025

🔵 ⭐ A Top-Rated Full-Stack Developer with 8+ years of experience 👉 Please take a moment to review my portfolio to explore my previous projects and hands-on experience listed under the "Other Experience" section. I specialize in creating highly scalable applications, delivering pixel-perfect, responsive designs, and optimizing performance across both frontend and backend systems. Proficient in JavaScript/TypeScript, React, Next.js, Vue.js, Node.js, and cloud platforms such as Verce, Google Cloud, AWS, Microsoft Azure, etc. I ensure top-quality code and user experiences. I thrive in remote teams and independent roles, consistently delivering on long-term projects. Core Skills: ✅ Frontend: React, Next.js, Vue.js, Tailwind CSS, TypeScript, Apollo client, Ant Design, Chakra UI, Angular, Material UI ✅ Backend: Node.js, Express, GraphQL, Microservices, Python, Golang ✅ Mobile: React Native, iOS, Android ✅ Cloud: Vercel, Heroku, Google Cloud Platform, AWS, Microsoft Azure, Render ✅ Database: MongoDB, PostgreSQL, MySQL, Supabase, Firebase ✅ DevOps: Docker, Travis CI, GitHub actions, GitLab pipelines ✅ Tools: Git, Jira, Confluence, Figma, Agile Methodology Let’s connect to discuss your project needs and how I can help you achieve success.

I’m Bablu Kumar, a senior full-stack web developer with 7+ years of experience building scalable platforms, complex systems, and marketplace products that handle real users and real payments. I work with founders who need more than basic development — they need systems that are reliable, extensible, and built for real-world use. My core expertise includes React, Node.js, Ruby on Rails, Laravel, Stripe with advanced payment flows and webhooks, AWS S3, and AI integrations using ChatGPT and OpenAI APIs. I focus on clean architecture, strong coding standards, and maintainable systems so products can grow without constant rewrites or technical debt. I build MVPs that launch fast but are engineered for long-term scale. I’m also a verified Sharetribe expert, bringing deep marketplace experience when required — from payments and workflows to edge cases and platform limitations.

👋Hello and welcome to the dev's area! I am a real full-stack geek who adores Ruby on Rails. Working mostly in RoR and JS, I found out that it provides an optimal balance between speed, functionality and maintenance. To ensure the highest quality standards, I tend to adhere to best coding practices. My main goals are high-quality work and compliance with deadlines. I'm always available and aim to communicate regularly to update you on the development progress and make sure I have a clear understanding of your vision and needs. My top skills: Backend: - Ruby, RoR - Nokogiri - RSpec, ActiveAdmin, Сarrierwave Frontend: -HTML, CSS, Bootstrap - JavaScript, jQuery Databases: - MySQL - PostgreSQL - MongoDB Also worked with: - AWS - Heroku Workflow: - GIT, SVN(bitbucket/github/gitlab) - Jira, Trello, Asana I've got a creative mind and passion for new and challenging opportunities that will add to my area of experience.