Muhammad Junaid

AI ML Engineer, Data Scientist

Upwork • Vollzeit

Dec 2019 - Present • 6 yrs 6 mos

AI & ML ENGINEER | DATA SCIENTIST | AI AGENT & RAG SPECIALIST I help startups and enterprises build production-grade AI systems, intelligent agents, and data-driven machine learning solutions that deliver measurable business impact. With 4+ years of experience, I specialize in LLM-powered applications, advanced RAG architectures, and end-to-end ML pipelines from data engineering to deployment. 🚀 CORE EXPERTISE • AI Agents & Chatbot Development (Text + Voice) • Data Science, Machine Learning & Deep Learning • Retrieval-Augmented Generation (RAG) Systems • Vector Databases & Semantic Search • Computer Vision & Natural Language Processing (NLP) • End-to-End AI Product Development 🤖 AI MODELS & LLMs • OpenAI: GPT-4o, GPT-4o mini, o1-preview, o1-mini, Realtime API • Anthropic: Claude 3 Haiku, Opus, Claude 3.5 Sonnet • Google: Gemini, PaLM-E, PaLM 2 • Open-Source: LLaMA, Mixtral, Falcon, Mistral, Hugging Face Models 🧠 DATA SCIENCE, ML & DL • Data Cleaning, Feature Engineering & EDA • Predictive Modeling & Statistical Analysis • Time-Series Forecasting & Optimization • Deep Learning: CNNs, Neural Networks, Transfer Learning • Model Evaluation, Fine-Tuning & MLOps Pipelines 📞 CONVERSATIONAL AI & VOICE AGENTS • Speech-to-Text: Whisper, Deepgram, Google STT, Azure STT • Text-to-Speech: ElevenLabs, OpenAI TTS, Google TTS, Amazon Polly • Voice Platforms: OpenAI Realtime API, LiveKit, Vapi, Bland AI • Call Integrations: Twilio, Amazon Connect, SIP Systems 🖼 COMPUTER VISION & IMAGE AI • Image Classification, Object Detection & Segmentation • OpenCV, YOLO, SAM, Tesseract OCR • Stable Diffusion, DALL-E, GANs, CLIP 💻 FULL-STACK & AI-POWERED WEB DEVELOPMENT • Frontend: React, Next.js, Vue, Angular, TailwindCSS • Backend: Python, FastAPI, Flask, Django, Node.js • Databases: PostgreSQL, MongoDB, MySQL, Firebase • APIs: REST, GraphQL, WebSockets • Payments & Integrations: Stripe, PayPal, Social APIs ☁ CLOUD, DEVOPS & DEPLOYMENT • Docker, Kubernetes, CI/CD • AWS: EC2, S3