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Senior web developer with 25+ years of experience building, fixing, and rescuing WordPress and Webflow sites. Known for fast turnaround — most projects shipped in days, not weeks. US-based, with 5-star reviews from every Upwork engagement to date — all with North American businesses, agencies, and eCommerce brands. Clients hire me for one of two reasons: they need a site built right the first time, or their current site is slow, broken, outdated, or not converting — and they want someone who can simply fix it without drama, delays, or excuses. What clients say: ⭐ "Nelson was great to work with in every way. I recommend him highly." ⭐ "Amazing speed, communication, and quality of work." ⭐ "Fast and experienced. Recommended." ⭐ "He was very quick and efficient." 🔧 WordPress expertise: ✅ Elementor, Elementor Pro, and Divi builds, redesigns, and layout fixes ✅ WooCommerce setup, product pages, checkout, and store optimization ✅ WordPress critical error fixes, PHP issues, and plugin conflicts — usually resolved same-day ✅ WordPress speed optimization and Core Web Vitals improvement ✅ Site migrations, backups, hosting/SFTP, DNS, and launch support ✅ Malware cleanup, security hardening, and ongoing maintenance ✅ Custom plugins, themes, and API integrations when standard tools fall short 🎨 Webflow expertise: ✅ Figma-to-Webflow conversions, pixel-perfect ✅ Webflow CMS builds and dynamic content setups ✅ Landing pages, responsive fixes, and complex interactions ✅ Migrations to and from Webflow ✅ Webflow site audits and performance reviews 📌 Recent Upwork work: Builds: Conversion-focused business sites, one-page tools, advisory landing pages, high-volume contractor and local-service websites, Webflow contract builds Fixes & rescues: WordPress critical errors, plugin conflicts, address changes, SMTP issues, hosting and email delivery — typically resolved same-day Audits & strategy: WordPress and Webflow site audits with prioritized recommendations (including a $1,000 audit engagement) Migrations & integrations: Shopify-to-WordPress migrations, WooCommerce removal, Mailchimp, Squarespace, and Framer integrations Ongoing support: Multi-month maintenance contracts, Elementor plugin updates, backups, and emergency response Industries served: eCommerce, professional services, advisory firms, hospitality, recreation, and small-to-mid sized US businesses across multiple states. How I work: I handle every project personally — no outsourcing, no handoffs, no junior developers hiding behind my profile. Clean communication, clean code, full testing, and a clear summary of what was changed and why on every engagement. Same-day response during US business hours on active projects. 📩 Send me your site URL, the platform, and what's frustrating you. I'll review it and reply with a practical next step — usually within an hour during business hours. Keywords WordPress, Webflow, WooCommerce, Elementor, Elementor Pro, Web Design, Web Development, WordPress Development, WordPress Website, WordPress Website Development, WordPress Website Design, WordPress Theme, WordPress Theme Development, WordPress Plugin, WordPress Plugin Development, WordPress e-Commerce, WordPress Developer, WordPress Expert, WordPress Designer, WordPress Speed Optimization, WordPress Migration, WordPress Bug Fix, WordPress Maintenance, Webflow CMS, Webflow Development, Figma to Webflow, Webflow Designer, Landing Page, Landing Page Design, Landing Page Development, conversion-focused landing page, high-converting landing page, landing page optimized for paid traffic, Website Migration, Website Redesign, Website Customization, Website Performance Optimization, Page Speed Optimization, Core Web Vitals, Technical SEO, On-page SEO, Search Engine Optimization, API Integration, Figma to WordPress, PSD to WordPress, Responsive Design, Mobile-First Design, Custom PHP, PHP, JavaScript, HTML, HTML5, CSS, CSS3, MySQL, E-commerce Website, E-commerce Website Development, WooCommerce Developer, WooCommerce Store, fast loading website, clean maintainable code, experienced WordPress developer, experienced Webflow developer, no-outsourcing freelancer, 5-star WordPress developer

Read this only if you need a production-ready, fully functioning app or website that actually solves your business problems. You don't have to worry about the server setups, database security, or deployment loops. I specialize in turning your product concepts into fully live, user-ready platforms. I handle the heavy engineering and DevOps lifting so your app is online, stable, and ready to generate revenue and support your users from day one. I take your business goals, build the software from scratch using modern tools, and handle the entire deployment process. This means your customers can sign up, pay, and start using your platform immediately, allowing you to focus on growing your business instead of managing tech stacks. How I Help Your Business Grow: ✅ Build for Conversions & Scale: I create fast, clean, and mobile-friendly websites and apps using Next.js and TypeScript. Your users get a seamless experience that reduces churn, and your platform stays easy to update as your business scales. ✅ Secure Data & User Trust: I set up your database using Supabase and PostgreSQL. I make sure your data is structured properly and secure, protecting your users' information and building trust in your brand. ✅ Automating Operations (APIs & Tools): I connect your app to the systems that run your business whether that’s payment gateways, CRM software, webhooks, or advanced data tools like Base44 to automate manual tasks and save you hours of work. ✅ Reliable Live Launch (Deployment): I handle the infrastructure setup to launch your app on professional platforms like Vercel, AWS, or Railway. When we finish, your app is live, stable, and ready to handle sudden traffic spikes as your marketing kicks in. ✅ AI-Driven Efficiency: If your business can grow by automating customer service or data analysis, I can build and connect smart AI assistants using tools like CrewAI and LangChain to lower your operational costs. Tech Stack: ✅ AI Builders & IDEs: Base44, Replit Agent, Lovable, Cursor, Windsurf, v0.dev ✅ Frontend: Next.js, TypeScript, React, Tailwind CSS ✅ Backend & Database: Supabase, PostgreSQL, Node.js ✅ Integrations & Deployment: Base44, MCP (Model Context Protocol), Vercel, AWS, Railway, GitHub What Your Business Gets: A secure, beautiful, and fully functional application launched in weeks, not months. You get a real product you can show investors, charge customers for, and use to automate your workflows—built on a solid foundation that grows as your revenue grows. Are you ready to stop prototyping and start scaling your business with a live app or website? Send me a message, and let’s talk about how to get your project live.

I turn game ideas into fully playable, scalable products. I’m a Unity Game Developer / Unity 3D Developer with 10+ years of experience building mobile games, multiplayer games, and real-time applications. I’m Top Rated on Upwork with a 100% Job Success Score and 50+ completed projects across iOS, Android, PC, WebGL, VR, and AR platforms. If you need a Unity developer who can design, develop, optimize, and launch your game end-to-end, you’re in the right place. Why clients hire me as their Unity developer Most Unity developers can write scripts. I build complete game systems. I specialize in: Full-cycle Unity game development (prototype → production → launch) Multiplayer game development (Photon Fusion, Mirror, Netcode for GameObjects) High-performance mobile game optimization (60 FPS, low memory, fast load time) Backend integration (PlayFab, Firebase, APIs, live ops systems) Clean, scalable architecture for long-term game growth You’re not just hiring a Unity programmer—you’re hiring someone who understands game design, performance, monetization, and player retention. Game Development Services 🎮 Mobile Game Development (Unity iOS & Android) Hyper-casual, casual, arcade, action, strategy, simulation. Built for retention, monetization, and smooth performance on all devices. 🌐 Multiplayer Game Development (Photon / Mirror / Netcode) Real-time multiplayer systems, matchmaking, lobbies, leaderboards, dedicated servers. Tested and scaled to 500+ concurrent users. 🥽 AR/VR Development (Unity AR/VR Developer) ARCore, ARKit, AR Foundation, Meta Quest, Oculus, Apple Vision Pro. Enterprise VR simulations and immersive training apps. 💻 PC, Steam & WebGL Games Cross-platform Unity builds, Steam integration, and optimized WebGL deployment with CI/CD pipelines. ⛓️ Blockchain & Web3 Game Development NFT integration, play-to-earn mechanics, wallet connection, and smart contract interaction inside Unity games. Proven Results Shipped multiple Unity mobile games on App Store & Google Play Built multiplayer Unity games handling 500+ concurrent players Delivered complete game prototypes in record time Reduced enterprise training cost by 60% using VR simulation 57+ completed jobs with zero abandoned projects Tech Stack & Tools Unity 3D (2019–2023 LTS), Unreal Engine 5 C#, C++ Photon Fusion, Photon PUN, Mirror, Netcode for GameObjects PlayFab, Firebase, GameAnalytics AR Foundation, ARCore, ARKit Meta Quest SDK, Oculus, Vision Pro Addressables, DOTween, Cinemachine Git, GitHub, CI/CD, Dedicated Servers AdMob, In-App Purchases, Monetization Systems Blockchain, NFT, Web3 Integration Let’s Build Your Game Send me: Your game idea Target platform (mobile, PC, VR, etc.) Core gameplay mechanic I’ll respond within 2–4 hours with a clear technical plan, Unity architecture, and timeline. No fluff. Just execution.

𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝟭4+ 𝗬𝗲𝗮𝗿𝘀 | 1000+ 𝗝𝗼𝗯𝘀 | $𝟭𝟬𝟬𝗞+ 𝗘𝗮𝗿𝗻𝗲𝗱 Need a WordPress website that loads fast, ranks on Google, and turns visitors into paying customers? I design and develop clean, scalable WordPress & WooCommerce websites for eCommerce brands, digital agencies, and B2B businesses, pixel-perfect, SEO-optimised, and engineered to last. From custom WordPress development and Figma-to-WordPress builds to WooCommerce development, speed optimisation, and WordPress SEO, I cover the full stack. With 14+ years of experience and 1500+ completed projects, I'm in the top 3% of WordPress developers on the platform. My clients come back because the work is done right the first time. What I Deliver ⭐ Custom WordPress websites, built from scratch, redesigned, or converted from Figma / Adobe XD / PSD ⭐ WooCommerce store setup, customisation, speed & conversion optimisation ⭐ Elementor, Divi, Gutenberg, WPBakery, Beaver Builder, Fusion Builder and pixel-perfect buildouts ⭐ WordPress speed optimisation, Core Web Vitals & SSL/HTTPS activation ⭐ WordPress SEO including on-page, technical, schema markup ⭐ WordPress security hardening, malware removal & hacked site restoration ⭐ Custom plugin development & plugin customisation ⭐ Zero-downtime hosting migration (GoDaddy, Bluehost, HostGator, WP Engine, SiteGround, Namecheap & more) ⭐ Wix to WordPress & other platform migrations ⭐ WordPress Multisite, membership sites & multilingual (WPML, Polylang) ⭐ API integrations includes payment gateways, CRMs, third-party services ⭐ Long-term maintenance, ongoing support & webmaster / virtual assistant services 𝗥𝗲𝗰𝗲𝗻𝘁 𝗿𝗲𝘀𝘂𝗹𝘁𝘀 ⭐Migrated a 3,000-product WooCommerce store with zero downtime also page speed improved by 45% ⭐ Rebuilt a slow WordPress site from 6.2s → 1.4s load time, organic traffic up 38% in 60 days ⭐ 400+ Figma-to-WordPress builds delivered across the US and UK, every niche covered ⭐ 1,500+ websites built and maintained across 14+ years, consistently hitting 3-4 second load targets 𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗰𝗵𝗼𝗼𝘀𝗲 𝗺𝗲 ⭐Top Rated Plus, top 3% of WordPress developers on Upwork ⭐344 five-star reviews, consistent praise for speed, quality, and communication ⭐14+ years of real WordPress experience, not just page builders ⭐Clean, documented code built for long-term maintainability ⭐Free post-launch support on every project ⭐ Same-day response, typically within a few hours Skills & Tech - WordPress - WooCommerce - PHP 7/8 - HTML5 - CSS3 - JavaScript - MySQL - REST API - Gutenberg - Elementor - Divi - WPBakery - Beaver Builder - Fusion Builder - Genesis Framework - Avada - Flatsome - The7 - Salient - Enfold - Jupiter - Bridge - Kalium - Thrive Themes - Newspaper - Figma to WordPress - PSD to WordPress - Adobe XD - WPML - Polylang - ACF - WP Engine - cPanel - GoDaddy - Bluehost - SiteGround Let's talk about your project. Message me and I'll get back to you the same day.

I build custom WordPress websites, develop plugins, and create WooCommerce stores for businesses that need solutions beyond standard themes and page builders. Most clients hire me after trying theme customization themselves and hitting technical limits, or after working with developers who only know page builders but cannot write custom code. I have delivered 80 WordPress projects over 6 years including custom theme development, plugin creation, API integrations, and WooCommerce optimization with 1600 hours on Upwork. WORDPRESS DEVELOPMENT SERVICES: Custom Theme Development Building WordPress themes from scratch using PHP, HTML5, CSS3, and JavaScript. No bloated page builder dependencies. Clean code following WordPress coding standards. Responsive designs working on all devices. SEO-optimized structure for better rankings. Custom Plugin Development: Creating WordPress plugins for specific functionality requirements. CRM integrations, payment gateway connections, custom admin panels, API integrations with third-party services. Recent work includes Agentbox CRM plugin syncing property listings with WordPress. WooCommerce Development: Complete WooCommerce store setup and customization. Custom product types, advanced checkout modifications, payment gateway integration, inventory management, shipping calculations. Product import and migration from other platforms. API Integration: Connecting WordPress with external systems including CRM platforms, payment processors, marketing tools, shipping providers, accounting software. RESTful API development and third-party API consumption. Webhook handling and data synchronization. WordPress Speed Optimization: Core Web Vitals improvement, database query optimization, image optimization and lazy loading, caching implementation, CDN setup, minification and compression. Achieving 90 plus Google PageSpeed scores. Website Migration and Maintenance: Moving WordPress sites between hosts without downtime. PHP version upgrades, plugin updates, security patching, malware removal, backup systems, ongoing support and bug fixes. TECHNICAL SKILLS: WordPress: Custom themes, plugin architecture, hooks and filters, WordPress REST API Languages: PHP, MySQL, JavaScript, HTML5, CSS3 Page Builders: Elementor, Divi, WPBakery when needed WooCommerce: Product customization, checkout modifications, payment integration Tools: Git, cPanel, WHM, SSH, Composer RECENT WORDPRESS PROJECTS: Agentbox CRM Integration Developed custom WordPress plugin integrating Agentbox CRM property listings with client website. Automated data sync, custom post types, advanced filtering. Client: "Very professional with great skills and communication." Corporate Website Development Built fully custom WordPress site from Figma design. Custom theme, multilingual support, contact forms, performance optimization. Client: "Clear communication, smooth process, always willing to help." Custom PHP WordPress Project Senior-level WordPress development with custom functionality. Client: "Exceptional WordPress expert with 8 plus years experience. Delivered high-quality work on time." Website Redesign with Custom Plugins Complete redesign maintaining existing functionality. Custom code integration without breaking features. Client: "Strong understanding of custom code, clean execution, professional delivery." HIRE ME IF: -You need custom WordPress development beyond theme customization -Your project requires plugin development or complex API integration -You want WooCommerce customized for specific business requirements -Your site needs performance optimization or technical improvements -You need a developer who writes clean code, not just uses page builders -You require ongoing WordPress maintenance and support WORDPRESS EXPERTISE: Custom theme development from design files Plugin development for unique functionality WooCommerce store customization Third-party API integration Performance and speed optimization Security hardening and malware removal Database optimization Multisite setup and management EMPLOYMENT BACKGROUND WordPress Developer at Ziczac Solutions (2022-Present) Responsible for creating, customizing, and maintaining WordPress websites. Implementing responsive designs, optimizing performance, ensuring cross-browser compatibility. WHAT YOU RECEIVE Custom WordPress solution meeting exact requirements Clean, well-documented code following WordPress standards Responsive design working across all devices Performance-optimized for fast loading Security-hardened against common vulnerabilities Full documentation and training Ongoing support and maintenance READY TO BUILD: If your WordPress project needs custom development, API integration, or WooCommerce customization, send me your requirements. I will respond with technical approach and timeline within 24 hours.

𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 & 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 8+ 𝗬𝗲𝗮𝗿𝘀 | 𝟭% 𝗼𝗳 𝗨𝗽𝘄𝗼𝗿𝗸 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀. ✅ $300K+ Total earnings ✅8+ Years experience as Fullstack Developer ✅ 80+ Projects Completed. ✅Top Rated Plus. ✅ 100% Job Success Rate. ✅ AWS certified ✅ Python certified ✅50hrs/week available ✅ 4+ AI/ML Integrations 🔴 I am in the 𝗧𝗼𝗽 𝟭% overall on Upwork. 🔴 I am in the 𝗧𝗼𝗽 𝟰% overall on Stack Overflow. 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭 / 𝐕𝐨𝐢𝐜𝐞 𝐀𝐠𝐞𝐧𝐭𝐬: 𝐂𝐫𝐞𝐰𝐀𝐈 / 𝐀𝐮𝐭𝐨𝐆𝐞𝐧 / 𝐀𝐦𝐚𝐳𝐨𝐧 𝐏𝐨𝐥𝐥𝐲 / 𝐃𝐞𝐞𝐩𝐠𝐫𝐚𝐦 / 𝐑𝐚𝐬𝐚 𝐀𝐈 / 𝐑𝐢𝐯𝐞𝐫𝐬𝐢𝐝𝐞 𝐒𝐃𝐊 / 𝐀𝐳𝐮𝐫𝐞 𝐀𝐈 𝐒𝐩𝐞𝐞𝐜𝐡/𝐋𝐋𝐌 𝐅𝐢𝐧𝐞𝐭𝐮𝐧𝐢𝐧𝐠: 𝐔𝐬𝐢𝐧𝐠 𝐏𝐄𝐅𝐓 / 𝐋𝐨𝐑𝐀 / 𝐐𝐋𝐨𝐑𝐀 / 𝐑𝐋𝐇𝐅 / 𝐃𝐏𝐎 / 𝐒𝐅𝐓 𝐰𝐢𝐭𝐡 𝐔𝐧𝐬𝐥𝐨𝐭𝐡 / 𝐀𝐱𝐨𝐥𝐨𝐭𝐥 / 𝐇𝐮𝐠𝐠𝐢𝐧𝐠𝐅𝐚𝐜𝐞 𝐀𝐮𝐭𝐨𝐓𝐫𝐚𝐢𝐧 / 𝐒𝐚𝐠𝐞𝐌𝐚𝐤𝐞𝐫 𝐓𝐫𝐚𝐢𝐧𝐢𝐧𝐠/𝐎𝐩𝐞𝐧-𝐒𝐨𝐮𝐫𝐜𝐞 𝐋𝐋𝐌𝐬: 𝐋𝐋𝐀𝐌𝐀 𝟑 / 𝐌𝐢𝐬𝐭𝐫𝐚𝐥 𝟕𝐁 / 𝐌𝐢𝐱𝐭𝐫𝐚𝐥 𝟖𝐱𝟕𝐁 / 𝐅𝐚𝐥𝐜𝐨𝐧 / 𝐆𝐞𝐦𝐦𝐚 / 𝐁𝐥𝐨𝐨𝐦 / 𝐎𝐫𝐜𝐚 𝐌𝐢𝐧𝐢 / 𝐆𝐮𝐚𝐧𝐚𝐜𝐨/𝐅𝐚𝐬𝐭 𝐈𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐞: 𝐯𝐋𝐋𝐌 / 𝐓𝐆𝐈 / 𝐓𝐞𝐧𝐬𝐨𝐫𝐑𝐓-𝐋𝐋𝐌 / 𝐒𝐊𝐏𝐢𝐥𝐨𝐭/𝐏𝐫𝐨𝐦𝐩𝐭 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠: 𝐌𝐮𝐥𝐭𝐢-𝐭𝐮𝐫𝐧 / 𝐅𝐞𝐰-𝐬𝐡𝐨𝐭 / 𝐙𝐞𝐫𝐨-𝐬𝐡𝐨𝐭 / 𝐑𝐀𝐆-𝐁𝐚𝐬𝐞𝐝 / 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐚𝐛𝐥𝐞 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬/𝐐𝐮𝐚𝐧𝐭𝐢𝐳𝐚𝐭𝐢𝐨𝐧: 𝐀𝐖𝐐 / 𝐆𝐏𝐓𝐐 / 𝐆𝐆𝐔𝐅 / 𝐆𝐆𝐌𝐋 / 𝐐𝐋𝐎𝐑𝐀 / 𝐏𝐓𝐐 / 𝐃𝐐/𝐑𝐀𝐆 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 & 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: 𝐋𝐚𝐧𝐠𝐂𝐡𝐚𝐢𝐧 / 𝐋𝐥𝐚𝐦𝐚𝐈𝐧𝐝𝐞𝐱 / 𝐂𝐡𝐫𝐨𝐦𝐚 / 𝐅𝐀𝐈𝐒𝐒 / 𝐏𝐢𝐧𝐞𝐜𝐨𝐧𝐞 / 𝐐𝐝𝐫𝐚𝐧𝐭 / 𝐖𝐞𝐚𝐯𝐢𝐚𝐭𝐞 / 𝐌𝐢𝐥𝐯𝐮𝐬 Greetings! I am Atul Kumar, a seasoned developer with over 8+ years of experience in web application and software development. Working with LLMs for the past 8+ years and have good expertise in AI Agents development using langchain, LlamaIndex, and LLMs like Claude, GPT4o, Amazon Bedrock, Ollama 🔹 AI Agents / Voice Agents: CrewAI, AutoGen, Amazon Polly, Deepgram, Rasa AI 🔹 LLM Fine-tuning: PEFT, LoRA, QLoRA, RLHF, DPO with Unsloth, Axolotl, HuggingFace AutoTrain 🔹 Open-Source LLMs: LLaMA 3, Mistral 7B, Mixtral 8×7B, Falcon, Gemma 🔹 Inference Optimization: vLLM, TGI, TensorRT-LLM 🔹 Prompt Engineering: Multi-turn, Few-shot, Zero-shot, RAG-based prompts 🔹 Quantization: AWQ, GPTQ, GGUF, GGML 🔹 RAG Systems: LangChain, LlamaIndex, ChromaDB, FAISS, Pinecone, Qdrant 🔹 Data Pipeline: Synthetic dataset generation, LLM evaluation frameworks 🔹 LLM Deployment: AWS Sagemaker, RunPod, GCP AI Platform, Vercel AI SDK 🖥️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗦𝗸𝗶𝗹𝗹𝘀: 🔹 Proficient in Node.js, Express.js, Python, Django, Flask, AWS Lambda for backend API. 🔹 Experienced with relational & NoSQL databases: MySQL, PostgreSQL, MongoDB, Firebase, Firestore. 🔹 Skilled in Python FastAPI, REST API, GraphQL API development, and database schema design. 🔹 Knowledgeable in Redis, Docker, Kubernetes, AWS EC2, S3, Nginx for scalable infrastructure. 🔹 Experienced with Nest.js for enterprise-grade server-side applications. 🔹 LangChain, LangServe, LangSmith, HuggingFace, Transformers for AI/LLM integrations. 🔹 Vector Databases: Chroma, FAISS, Pinecone, Qdrant for RAG pipelines. 🔹 Low-code AI tools: Flowise AI, LangFlow, StackAI for rapid prototyping. 🔹 Familiar with Celery task queues, testing frameworks (Pytest, Unittest), and automation tools like Selenium. 🌐 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗦𝗸𝗶𝗹𝗹𝘀: 🔹 Proficient in TypeScript, Redux Toolkit, Tailwind CSS with Next.js for high-performance frontends. 🔹 Skilled in building Progressive Web Apps (PWA) and Single Page Applications (SPA). 🔹 Expert in Vue.js, Nuxt.js, React.js, Next.js, HTML5, CSS3, React Native for responsive and cross-platform UIs. 🛠️ 𝗧𝗼𝗼𝗹𝘀 & 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: 🔹 Skilled in Python ML libraries: Scikit-learn, Numpy, Pandas, Matplotlib, Seaborn. 🔹 Familiar with OpenAI APIs, Whisper, GPT models, ChatGPT integration, and AI chatbot deployment. 🔹 Experienced with AWS (Lambda, S3, EC2, Sagemaker), Git/GitHub, and Linux environments (Ubuntu, CentOS). 🌟 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗔𝗜 & 𝗟𝗟𝗠 𝗦𝗸𝗶𝗹𝗹𝘀: 🔹 AI Agents / Voice Assistants: CrewAI, AutoGen, Amazon Polly, Deepgram, Rasa AI. 🔹 Open-Source LLMs: LLaMA 3, Mistral 7B, Mixtral 8×7B, Falcon, Gemma. 🔹 Inference Optimization: vLLM, TGI, TensorRT-LLM for high-speed deployments. 🔹 Prompt Engineering: Multi-turn, Few-shot, Zero-shot, RAG-based prompts. 🔹 Quantization: AWQ, GPTQ, GGUF, GGML for efficient LLM deployment. 🔹 LLM Fine-tuning: PEFT, LoRA, QLoRA, RLHF, DPO with Unsloth, Axolotl, H My expertise spans both frontend and backend technologies, as well as a variety of tools and additional skills that enable me to deliver comprehensive solutions. I am dedicated to providing high-quality, efficient solutions that cater to the unique needs of each project. My diverse skill set allows me to approach challenges from multiple angles, ensuring robust and innovative solutions. Warm regards, Atul Kumar