Hire the Best CSS3 Developers in Harrow, UK

Are you building an AI product that needs to actually work in production — not just impress in a demo? I'm Qasim Jalil — a Vetted AI/ML Engineer and Full-Stack Developer in the top 1% on Upwork, with 8+ years of experience, 80+ projects delivered, I don't just integrate APIs but I architect, fine-tune, and deploy end-to-end AI systems that scale. 🧠 WHAT I SPECIALIZE IN: → AI Agents & Multi-Agent Systems I build autonomous agents that plan, reason, and execute using CrewAI, AutoGen, LangChain, and LlamaIndex — connected to real tools, APIs, and databases. → RAG Pipelines & Knowledge Systems End-to-end Retrieval-Augmented Generation using Pinecone, ChromaDB, FAISS, Qdrant, and Weaviate. I make your private data queryable, accurate, and hallucination-resistant. → LLM Fine-Tuning Custom model training with LoRA, QLoRA, RLHF, DPO, and PEFT on LLaMA 3, Mistral 7B, Mixtral 8×7B, Falcon, and Gemma — using Unsloth, Axolotl, and HuggingFace AutoTrain. → Voice AI Agents Real-time voice pipelines built with Deepgram, Amazon Polly, Azure AI Speech, and Riverside SDK — bots that listen, understand context, and respond naturally. → LLM Deployment & Inference Optimization Production-grade deployments on AWS SageMaker, RunPod, and GCP using vLLM, TGI, and TensorRT-LLM — optimized for speed, cost, and scale. → Full-Stack AI Applications From React/Next.js frontends to FastAPI/Node.js backends — I deliver complete, production-ready AI products, not just model wrappers. ⚙️ CORE TECH STACK: LLM APIs: OpenAI GPT-4o · Claude (Anthropic) · AWS Bedrock · Ollama Agents: LangChain · LlamaIndex · CrewAI · AutoGen Voice: Deepgram · Amazon Polly · Azure Speech · Rasa AI Vector DBs: Pinecone · ChromaDB · FAISS · Qdrant · Weaviate Fine-Tuning: LoRA · QLoRA · RLHF · Unsloth · Axolotl · HuggingFace Inference: vLLM · TGI · TensorRT-LLM Backend: Python · FastAPI · Node.js · Django · Flask · NestJS Frontend: React · Next.js · TypeScript · Tailwind CSS · Vue.js Cloud & Infra: AWS (EC2, S3, Lambda, SageMaker) · GCP · Docker · Kubernetes · Redis ✅ WHY CLIENTS KEEP COMING BACK: 🔴 Top 1% Vetted Expert 🔴 100% Job Success Score across 80+ completed projects 🔴 AWS Certified & Python Certified — I understand infrastructure, not just model APIs 🔴 I ship production systems — scalable, documented, and maintainable 🔴 50 hrs/week available — fully committed, fast communicator, timezone-flexible 📌 RECENT PROJECTS: → Multi-agent customer support bot — CrewAI + GPT-4o + Pinecone + FastAPI → Real-time healthcare voice assistant — Deepgram + LLaMA 3 + AWS Lambda → Legal document fine-tuning — Mistral 7B with QLoRA (4-bit) on SageMaker → Internal knowledge base RAG system for a 500-person SaaS company → LLM evaluation framework + synthetic dataset generation pipeline on AWS 📩 LET'S TALK: Describe your project and I'll respond within a few hours. I offer a free 30-minute scoping call before any contract because the right fit matters more than a quick hire.

Hi there, My self Rashmi, I am a Professional Full-Stack Engineer/Product Manager with 3+ years of experience and I would love to take complete responsibility for your project end to end and can provide you complete assistance for the same on the stipulated timeframe. My skills: Backend Technology: PHP, Laravel, WordPress, WooCommerce. Front end: Vue.js, Html, Css, JavaScript, Bootstrap. Database: MySQL, MongoDB, AWS Cloud server, Firebase. Most of my clients and projects are from direct emails and cold calling and I have joined Upwork recently to provide our services here as well. Our USP- - Widest Range of solutions for you to plunge into - Define the right architecture, pick the right tools, and then implement - Quality is not our actions, it’s our Habit - Imagine products that don’t exist and guide them to life - Strive to meet what our customers want most and what we do best - Unmatched experience is the most valuable thing we offer - Synthesis of market needs, technology trends, and business needs Keen on building the next application, reach out to me. Thank you,

Hello, Do you wish to prove business legitimacy? 𝑮𝑬𝑻 𝑨 𝑾𝑬𝑩𝑺𝑰𝑻𝑬...! I am a 𝑺easoned 𝑺𝒐𝒇𝒕𝒘𝒂𝒓𝒆 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓, helping clients all around the world within a variety of niches successfully launch and scale online. More than 8+ years of experience in scratch development and design; had the privileged to work with several with big and small enterprises, enterprise-level businesses, influential personalities, and little mom-and-pop establishments. I've been focusing specifically on the Custom Web Development, JavaScript, and PHP. My expertise: 🥇 Custom Development HTML CSS JavaScript PHP 🥇 CMS Development WordPress Shopify Web flow Squarespace Wix Technical Toolkit: ✒ MERN | PHP | HTML5, CSS3 | JavaScript, jQuery, and AJAX | Bootstrap 2/3/4 | Node Js ✒️ Front-end/JavaScript Frameworks: React js | HTML | JavaScript, jQuery | Bootstrap | CSS ✒️ PHP Frameworks: Laravel | corePHP | Codeigniter ✒️ CMS/Platforms: WordPress | WooCommerce | Opencart | Drupal ✒️ Database: MongoBD | MySQL | Oracle Database | SQL Server PS: My role is to transform your concept into real-time, optimized, responsive, and converting websites. I am committed to delivering high-quality work within project deadlines. Feel free to message me, and let's collaborate to enhance the aesthetics and functionality of your business TODAY!