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Hi! I'm specialized in automation and AI integration. I work with Make, n8n and Zapier, Retell, VAPI, Voiceflow, and Airtable, and I create advanced AI voice calls and chatbots. I also handle Google Sheets, OpenAI's tools like ChatGPT, Claude, and Perplexity. Additionally, I build dynamic websites and tools using Softr and Airtable, making data-driven solutions more accessible and efficient. Let's make your projects smarter and more streamlined!

Availability: Full-time freelancer, 𝟰𝟬+ hours/week, open to long-term collaborations. I’m a Full-Stack & AI Engineer with 10+ years of experience building web and mobile applications and 3+ years of specialized experience in AI and Large Language Models (LLMs). I design, develop, and deploy production-grade platforms, from scalable SaaS dashboards to AI-powered assistants, RAG systems, and voice agents. I work end-to-end: architecture → backend → frontend → cloud deployment, with a focus on clean code, maintainable systems, and high performance. Over the past few years, I’ve delivered solutions that integrate AI/LLM pipelines, vector search, real-time chat, and voice agents for enterprise and startup clients. 🤖 AI & LLM Expertise - MCP Server Development: Designing and integrating custom MCP servers for AI agents, enabling structured tool usage, external system integrations, database querying, and API orchestration. - Fine-Tuning: Persona creation, Q&A systems, and domain-specific models (medical, legal) using Mistral and Llama 3. - Synthetic Dataset Generation: Streamlining LLM training with high-quality datasets. - Evaluation Frameworks: Assessing LLM performance with custom metrics. - Cloud Deployment: Deploying LLMs on AWS and GCP. - AI Agents & Voice Bots: Proficient with LiveKit, Retail AI, OpenAI. - Open-Source Deployment: Expertise deploying models like vLLM on AWS/GCP/RunPod using SkyPilot. 🛠️ 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗧𝗼𝗼𝗹𝘀 & 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀 ➜ LLM Tools: LangChain, Langsmith, Langfuse , Hugging Face, Transformers. ➜ Vector Databases: Chroma, FAISS, Pinecone, Qdrant , Opensearch ➜ AI Workflows: Flowise AI, LangFlow, StackAI. 🛠️ 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ➜ Languages & Frameworks: Python, Node.js, ReactJS. ➜ Database Management: MongoDB, MySQL, PostgreSQL , Supabase , FIrebase ➜ Frontend & Backend Integration: Seamlessly connecting APIs and user interfaces. 🌟 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗸𝗶𝗹𝗹𝘀 ➜ Open-Source LLMs: Proficiency in LLAMA 3, Mistral 7B, and Mixtral 8x7B. ➜ Prompt Engineering: Expertise in techniques like Chain of Thought, Few-shot Prompting, and Self-Reflection. ➜ Fast Inference: Implementing high-speed solutions with vLLM . 🌟 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲? With over 10 years of experience, I deliver scalable, cutting-edge solutions tailored to your project’s needs. Whether it's advanced AI models, MCP server development, LLM optimization, or full-stack development, I ensure top-notch results every time. Let’s collaborate to bring your ideas to life!

🚀 I help startups and businesses build AI agents, RAG systems, chatbots, and workflow automation that save time, reduce costs, and improve customer experience. Over the last few years, I've delivered production-ready AI applications for clients worldwide, combining LLMs, backend engineering, cloud infrastructure, and automation into scalable business solutions. What I Can Build AI Agents & Multi-Agent Systems ✔ OpenAI, Claude, Gemini & Open Source LLMs ✔ Open Source LLMs Model deployment and finetuning ✔ LangGraph & Agentic Workflows ✔ Tool Calling & Function Execution ✔ Autonomous Task Automation ✔ MCP Integration RAG & Knowledge Base Systems ✔ Company Document Search ✔ Internal Knowledge Assistants ✔ PDF, DOCX & Website Knowledge Bases ✔ Vector Databases (Pinecone, Weaviate, Chroma, FAISS) ✔ Advanced Retrieval Pipelines AI Chatbots ✔ Customer Support Bots ✔ SaaS AI Assistants ✔ Website Chatbots ✔ WhatsApp & Telegram Bots ✔ Custom Business Assistants AI Automation ✔ n8n Workflows ✔ Make dot com Automation ✔ CRM Automation ✔ Lead Qualification Systems ✔ Business Process Automation Computer Vision Solutions ✔ OCR & Document Processing ✔ Image Recognition ✔ Object Detection ✔ Face Recognition ✔ Image Analysis Pipelines Technical Stack AI & LLMs: OpenAI, Claude, Gemini, Llama, LangChain, LlamaIndex, LangGraph Backend: Python, FastAPI, Django, Node.js, Spring Boot, Golang Cloud: AWS, Azure, GCP Databases: PostgreSQL, MySQL, BigQuery, Vector Databases DevOps: Docker, CI/CD, GitHub Actions Why Clients Work With Me ✅ Top Rated Freelancer ✅ Production-Ready Solutions ✅ Strong Backend + AI Expertise ✅ Clear Communication ✅ Long-Term Support I focus on delivering AI solutions that create measurable business value—not just demos or prototypes. 📩 Let's discuss how AI can automate your workflows, improve customer experience, and accelerate your business growth.

🔹 Full-Stack Python Developer | AI/ML & LLM Specialist | Chatbots & RAG Expert 🔹5+ Years Python Experience 🔹 2+ Years AI/LLM & Chatbots 🔹Generative AI 🔹 OpenAI 🔹Advanced Integrations 🔹Fast 🔹 Scalable 🔹 Reliable Solutions 🔹24/7 Availability 🔹 Affordable Rates I’m a Python Full-Stack Developer with 5+ years of experience building robust web applications, automation tools, and data scraping solutions. Over the past 2 years, I’ve specialized in AI-driven development—crafting intelligent systems with React frontends, AI agents, Retrieval-Augmented Generation (RAG), and custom chatbots. My expertise combines strong full-stack engineering with cutting-edge AI, enabling me to deliver scalable, efficient, and business-focused solutions tailored to real-world needs. 🤖 AI & LLM Expertise • Created and delivered AI & Voice Agents using ElevenLabs, CrewAI, and Deepgram • Integrated and optimized LLMs like OpenAI GPT, Anthropic Claude, Cohere, and AI21 for powerful NLP solutions • Fine-tuned LLMs to improve accuracy, relevance, and performance for custom AI applications • Expert in RAG with Langchain + Vector DBs (FAISS, Pinecone,etc) • Skilled in prompt engineering ⚙️ Backend Development • Engineered scalable backend systems using Python (Django, FastAPI, Flask) and Node.js for high-performance applications • Worked with MySQL, PostgreSQL, MongoDB, Oracle PL/SQL, Firebase • Built async task systems using Celery and Redis • Strong in testing (Pytest, Unittest) and automation (Selenium, Scrapy) • Deployed apps using Docker, Azure, AWS EC2 & S3, Supervisor & Nginx • Version control using Git with GitHub, GitLab, and Bitbucket 🎨 Frontend Development • Proficient in core frontend technologies HTML5, CSS3, and JavaScript (ES6+) • Skilled in modern frameworks including ReactJS, NextJS, Vue.js, Angular, and React Native • Managed complex frontend state using Redux, React Context, and built-in hooks • Styled UIs using Tailwind CSS, Bootstrap, and Material UI for sleek, responsive designs • Prioritize responsive, mobile-first designs to ensure seamless user experiences across devices 🕸️ Scraping & Automation • Developed robust web scrapers using BeautifulSoup, Scrapy, Selenium, Requests • Automated workflows and API integrations for efficiency • Scheduled tasks with Cron / Task Scheduler for seamless automation Ready to bring your project to life with expert AI, backend, frontend, and automation solutions — let’s connect and get started! I’d love the opportunity to work with you. Thank you!

𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 & 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 8+ 𝗬𝗲𝗮𝗿𝘀 | 𝟭% 𝗼𝗳 𝗨𝗽𝘄𝗼𝗿𝗸 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀. 🔴 I am in the 𝗧𝗼𝗽 𝟭% overall on Upwork 🔴 I am in the 𝗧𝗼𝗽 𝟰% overall on Stack Overflow ✅ 𝟏𝟎𝟎𝐊+ 𝐓𝐨𝐭𝐚𝐥 𝐞𝐚𝐫𝐧𝐢𝐧𝐠𝐬 ✅ 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐑𝐚𝐭𝐞 ✅ 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 ✅ 𝟏𝟎+ 𝐘𝐞𝐚𝐫𝐬 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 ✅ 𝟗𝟎+ 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐂𝐨𝐦𝐩𝐥𝐞𝐭𝐞𝐝 ✅ 𝐀𝐖𝐒 𝐜𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 ✅ 𝟓𝟎𝐡𝐫𝐬/𝐰𝐞𝐞𝐤 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 ✅ 𝟒+ 𝐲𝐞𝐚𝐫𝐬 𝐀𝐈/𝐌𝐋 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 ✅ 𝐏𝐲𝐭𝐡𝐨𝐧 𝐜𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐆𝐫𝐞𝐞𝐭𝐢𝐧𝐠𝐬! 𝐈 𝐚𝐦 𝐀𝐚𝐲𝐮𝐬𝐡, 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, LangGraph, Semantic Kernel, OpenAI Swarm, OpenAI Assistants API, MCP, Vapi, Retell AI, Bland AI, Synthflow, LiveKit, Pipecat, Amazon Polly, Deepgram, ElevenLabs, Whisper, Rasa AI 🔹 𝐋𝐋𝐌 𝐅𝐢𝐧𝐞-𝐭𝐮𝐧𝐢𝐧𝐠: PEFT, LoRA, QLoRA, RLHF, DPO, ORPO, SFT, TRL with Unsloth, Axolotl, HuggingFace AutoTrain, SageMaker 🔹 𝐎𝐩𝐞𝐧-𝐒𝐨𝐮𝐫𝐜𝐞 𝐋𝐋𝐌𝐬: LLaMA 3, Mistral 7B, Mixtral 8×7B, Qwen, DeepSeek, Phi-3, Falcon, Gemma 🔹 𝐂𝐥𝐨𝐬𝐞𝐝 𝐋𝐋𝐌𝐬: GPT-4o, o1, o3, Claude, Gemini, Amazon Bedrock, Cohere 🔹 𝐈𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧: vLLM, TGI, TensorRT-LLM, Ollama, llama.cpp, Groq 🔹 𝐏𝐫𝐨𝐦𝐩𝐭 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠: Multi-turn, Few-shot, Zero-shot, Chain-of-Thought, ReAct, RAG-based prompts 🔹 𝐐𝐮𝐚𝐧𝐭𝐢𝐳𝐚𝐭𝐢𝐨𝐧: AWQ, GPTQ, GGUF, GGML, bitsandbytes 🔹 𝐑𝐀𝐆 𝐒𝐲𝐬𝐭𝐞𝐦𝐬: LangChain, LlamaIndex, Haystack, GraphRAG, ChromaDB, FAISS, Pinecone, Qdrant, Weaviate, Milvus, pgvector 🔹 𝐀𝐈 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: n8n, Make, Zapier AI, Flowise, LangFlow, StackAI 🔹 𝐆𝐞𝐧𝐞𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐈: Stable Diffusion, DALL·E, Flux, Midjourney, ControlNet, GPT-4 Vision 🔹 𝐃𝐚𝐭𝐚 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞: Synthetic dataset generation, LLM evaluation frameworks, Ragas, DeepEval 🔹 𝐋𝐋𝐌𝐎𝐩𝐬 & 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠: LangSmith, Langfuse, TruLens, Weights & Biases 🔹 𝐌𝐋 & 𝐍𝐋𝐏: PyTorch, TensorFlow, HuggingFace Transformers, scikit-learn, sentence-transformers 🔹 𝐋𝐋𝐌 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: AWS Sagemaker, RunPod, GCP AI Platform, Vercel AI SDK, BentoML, Modal, Replicate 🖥️ 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. Warm regards, Aayush Saini

Want to transform your customer experience with intelligent automation instead of just routing calls? As an Expert-Vetted Freelancer (Top 1% on Upwork) and a 3X Certified AWS Professional, I specialize at the intersection of Cloud Telephony, Generative AI orchestration, and enterprise-grade microservices. With over 18 years of hands-on expertise in Cloud Architecture and Customer Experience (CX), I don’t just deploy software—I architect high-performance, end-to-end ecosystems that drive measurable operational ROI. Whether you need to modernize a legacy platform, build a zero-latency conversational Voice AI agent, or securely sync data across enterprise systems, I ensure your architecture is airtight, compliant, and lightning-fast. WHAT I BRING TO YOUR PROJECT ━━━━━━━━━━━━━━━━━ ▪ Telephony Expertise (Twilio Flex & Amazon Connect): Seamless UI 1.x to 2.x migrations, custom plugin development, TaskRouter optimization, and real-time streaming (Kinesis/Media Streams). ▪ Production-Ready GenAI: Implementation of Amazon Bedrock, ElevenLabs, and VAPI to build conversational agents, live smart-replies, and dynamic knowledge base lookups (RAG). ▪ End-to-End Development: Full-stack capabilities utilizing a modern React + Tailwind CSS frontend backed by secure, robust AWS serverless microservices. ▪ Enterprise Security: Proven experience handling sensitive workflows using mTLS handshakes, secure token exchange, and encrypted Secrets Management. CORE TECH STACK & SPECIALIZED SOLUTIONS ━━━━━━━━━━━━━━━━━━━━━━━ ▪ Amazon Connect & AWS Ecosystem: Connect Streams API, Custom CCP, Lambda, API Gateway, DynamoDB, AppSync (Real-time Analytics), Bedrock, Textract, and Transcribe. ▪ Twilio Ecosystem: Flex 1.x to 2.x Migrations, custom Plugin Development, TaskRouter, Programmable Voice/SMS/WhatsApp, and Media Streams for real-time audio routing. ▪ UI/UX Frontend: Clean, modern, responsive dashboards built with React and Tailwind CSS for seamless agent and supervisor experiences. ▪ Backend & API Frameworks: High-performance Node.js development using Fastify (optimized for low overhead and blazing-fast JSON serialization) and Express. ▪ AI & NLP: VAPI, Retell.ai, Amazon Bedrock (Agents & Knowledge Bases), OpenAI, Google Dialogflow CX, Amazon Lex. CERTIFICATIONS ━━━━━━━━ 1. AWS Certified Solutions Architect – Associate 2. AWS Certified Developer – Associate 3. AWS Certified SysOps Administrator – Associate 4. Twilio Flex & API Accredited Specialist