I am a highly experienced AI and Python developer specializing in Machine Learning. With hands-on expertise, I have successfully collaborated with over 767 international clients, delivering effective solutions across various platforms and industries. My projects include developing advanced chatbots, automated email systems, disease and clot prediction models, and real-time data dashboards tailored to client needs. Notable Achievements: AI-Trax Pulmonary Fibrosis: Enhanced prediction accuracy by 73%, surpassing competitors. Memorial University Mental Health Chatbot: Achieved 85% accuracy using open-source LLM and OpenAI API. Mumnoid Animal Classification: Attained 92% accuracy with complex CNN and GNN models. I offer services in machine learning projects, API integration, chatbot development, financial data analysis, and R programming. Eager to expand my expertise on Upwork and help elevate your projects. Let’s connect!

🚀 Hey there! its me your go-to expert for all things Machine Learning Python, Deep Learning Python, Computer Vision Python, Data Science, Robotics, Image Processing, C++, Matlab , Ros, and Python. With a fiery passion for innovation and a knack for delivering exceptional results, I'm here to elevate your projects to new heights. 💡 🔬 My forte lies in harnessing the latest techniques and algorithms to craft intelligent, robust solutions. In the realm of Computer Vision, I excel in: - ✅ Object Detection - ✅ Object Tracking - ✅ Semantic Segmentation - ✅ Instance Segmentation - ✅ Object Recognition - ✅ OCR projects In the realm of Machine Learning, I specialize in: - ✅ Support Vector Machines (SVM) - ✅ Random Forest - ✅ Gradient Boosting - ✅ K-Nearest Neighbors (KNN) - ✅ Decision Trees In Deep Learning, I'm proficient in: - ✅ Convolutional Neural Networks (CNN) - ✅ Recurrent Neural Networks (RNN) - ✅ Generative Adversarial Networks (GAN) - ✅ Long Short-Term Memory Networks (LSTM) - ✅ Transformer Networks - ✅ LLM Fine Tuning - ✅ RAG using LLM I have extensive experience in various fields, including: 🏥 Medical Imaging: - ✅ X-ray Disease Detection - ✅ CT Scan Analysis - ✅ MRI Image Analysis - ✅ Disease Classification - ✅ Tumor Detection - ✅ Organ Segmentation - ✅ Analysis of microscopy images 🌾 Agriculture: - ✅ Weed Detection - ✅ Plant Disease Detection - ✅ Palm Trees Detection - ✅ Crop Classification - ✅ Crop Yield Prediction - ✅ Plant Segmentation - ✅ Precision Agriculture 🏙️ Smart Cities: - ✅ Traffic Flow Prediction - ✅ Pedestrian Detection - ✅ Urban Planning Analysis - ✅ Waste Management Optimization - ✅ Environmental Monitoring - ✅ Detecting safety violations from camera footage 📸 Surveillance and Security: - ✅ Anomaly Detection - ✅ Facial Recognition - ✅ Object Tracking in Video - ✅ Intrusion Detection Systems - ✅ Time Series data Analysis 🤖 Robot Projects: ✅ A Pathfinding Algorithm ✅ Dijkstra’s Algorithm for Navigation ✅ SLAM (Simultaneous Localization and Mapping) ✅ 2D/3D Mapping using ROS ✅ LIDAR-based Mapping ✅ Reactive Obstacle Avoidance using IR Sensors ✅ Dynamic Obstacle Avoidance with Sensor Fusion ✅ ROS-based Obstacle Avoidance in Autonomous Vehicles ✅ Gazebo-based Robot Simulation ✅ Autonomous Vehicle Simulation in Gazebo ✅ Gazebo with SLAM Integration ✅ Robot Path Visualization in RViz ✅ Sensor Data Visualization in RViz ✅ RViz for SLAM Visualization 🧠 General Image Labeling Projects ✅ High-Quality Image Annotation for Machine Learning Datasets (Bounding Boxes, Masks, and Keypoints) ✅ Custom Image Labeling for AI Vision Models — Fast & Accurate Dataset Preparation ✅ Manual Image Tagging and Classification for ML Dataset Training ✅ Expert Data Labeling for Image Recognition and Computer Vision Tasks ✅ Dataset Creation and Labeling for Object Detection and Tracking 🎯 Object Detection–Focused Projects ✅ Object Detection Dataset Preparation — Bounding Box & Polygon Annotation ✅ YOLO / COCO / Pascal VOC Dataset Labeling for Object Detection Models ✅ Bounding Box Labeling for Autonomous Driving, Retail, and Drone Vision ✅ Annotation Expert for Object Detection and Instance Segmentation ✅ Prepare and Label Images for Deep Learning Detection Models (YOLO, SSD, Faster R-CNN) 🌈 Semantic & Instance Segmentation Projects ✅ Pixel-Level Semantic Segmentation for Computer Vision Models ✅ Annotation Services for Medical Image Segmentation (CT, MRI, X-Ray) ✅ Semantic Segmentation Dataset Creation From wielding the powers of Keras, TensorFlow, and PyTorch to sculpting intricate neural network architectures for tasks spanning classification, object detection, segmentation, and natural language processing, I thrive on pushing boundaries. 🧠 📊 With a rich tapestry of projects under my belt, I've honed my skills in every aspect, from data preprocessing and feature extraction to model training and evaluation. I'm no stranger to taming colossal datasets and weaving magic with statistical analysis and data visualization. 📈 🖼️ But that's not all! I possess a keen eye for image processing wizardry, from sprucing up images to recognizing objects and slicing through visual data with precision. Whether it's powering autonomous systems or fueling robotics, I've got the expertise to make it happen. 🤖 ✨ My commitment to excellence is unwavering, reflected in my meticulous attention to detail, knack for problem-solving, and knack for effective communication. Your unique needs are my priority, and I'm dedicated to crafting tailored solutions that exceed expectations. 🎯 🌟 So, if you're on the hunt for a reliable, skilled freelancer to tackle your machine learning, deep learning, computer vision, data science, or robotics projects, look no further. Let's join forces and transform your visions into reality with cutting-edge technology. 🌈 💬 Reach out today, and let's start this journey towards success together! 🚀

👋 Hi, I’m Nungga Saputra, I have experienced more than 5 years as a developer and geophysicist passionate about data and the environment. I specialize in building digital and data solutions for impactful outcomes from developing web apps to interpreting data using Machine Learning. 🎒These are some project types that I usually worked on: - Data Cleaning and Preparation - Data Analysis and Exploration - A/B Testing/Experiment - Statistical Analysis - Creating Data Visualizations - Creating Dashboards/Reports - Data Infrastructure - Machine Learning, etc 💻 Whether you’re trying to build your first carbon footprint report, analyze complex geophysical datasets, or create a website to showcase your services, I can help. I bring end-to-end project experience, from transforming raw data into structured formats using SQL, Python, R and Julia to building user-friendly dashboards and interfaces. 🛠️ Skills & Tools: • Programming: Python, R, HTML, CSS3 • Platforms: WordPress, SQL-based databases, Linux • Tools: Tableau, PowerBI, Google Looker Studio • ML/DL: TensorFlow, U-Net, YOLO, PyTorch • AI Automations & Agent : OpenClaw, n8n, Lindy.ai

I'm an AI Engineer passionate about building and deploying innovative solutions. I specialize in deep learning – from designing and training models (including transformers and CNNs) to optimizing them for real-world performance. I've built everything from AI-driven art generation tools (backed by research and a published paper on GANs) to automated trading algorithms using deep reinforcement learning. I'm comfortable taking projects from concept to deployment, including data processing, model training (from scratch or fine-tuning), and infrastructure setup (both on-premise and in the cloud). I'm also experienced with techniques like quantization (TensorRT) to reduce latency and improve efficiency. I enjoy collaborating with clients to understand their challenges and deliver impactful results. Let's discuss how I can help bring your AI vision to life! (And yes, I'm always up for a coffee to chat about your project.)

🌟 𝐆𝐞𝐧𝐞𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐈 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 🌟 𝐀𝐠𝐞𝐧𝐭𝐢𝐜 𝐀𝐈 + 𝐅𝐨𝐮𝐧𝐝𝐚𝐭𝐢𝐨𝐧 𝐌𝐨𝐝𝐞𝐥𝐬 🌟 𝐌𝐮𝐥𝐭𝐢-𝐀𝐠𝐞𝐧𝐭 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 🌟 𝐓𝐨𝐩 𝟐% 𝐇𝐢𝐠𝐡𝐥𝐲 𝐂𝐢𝐭𝐞𝐝 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡𝐞𝐫 (𝟐𝟎𝟐𝟒 & 𝟐𝟎𝟐𝟓) I’m a PhD in 𝐂𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 with 10+ years in trustworthy AI and advanced ML, helping teams build production-ready Generative AI systems that are reliable, secure, and measurable, especially in healthcare, cybersecurity, and other high-stakes settings. 📌𝐀𝐜𝐚𝐝𝐞𝐦𝐢𝐜 𝐈𝐦𝐩𝐚𝐜𝐭 & 𝐀𝐰𝐚𝐫𝐝𝐬: ✔45+ peer-reviewed publications ✔7,500+ citations on Google Scholar ✔Top 2% Highly Cited Researcher (2024 & 2025) ✔Best Paper Award, IEEE Engineering in Medicine & Biology Society ✔Publications in leading venues, including 𝐌𝐈𝐂𝐂𝐀𝐈, 𝐈𝐄𝐄𝐄 𝐓-𝐏𝐀𝐌𝐈, 𝐈𝐒𝐁𝐈, 𝐈𝐄𝐄𝐄 𝐂𝐎𝐌𝐒𝐓, Computers & Security, and more. 📌𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐰𝐢𝐭𝐡: ✔ End-to-end RAG systems: hybrid search, structured retrieval, reranking, evaluation pipelines ✔ Agentic / multi-agent systems: orchestration, tool use, coordination, workflow automation ✔ LLM security + robustness: prompt injection, data leakage, model inversion risks, red-teaming + regression checks ✔ Foundation & multimodal model adaptation for domain use cases 𝐈𝐟 𝐲𝐨𝐮 𝐡𝐚𝐯𝐞 𝐚 𝐩𝐫𝐨𝐭𝐨𝐭𝐲𝐩𝐞 𝐭𝐡𝐚𝐭 𝐡𝐚𝐥𝐥𝐮𝐜𝐢𝐧𝐚𝐭𝐞𝐬, 𝐛𝐫𝐞𝐚𝐤𝐬 𝐨𝐧 𝐞𝐝𝐠𝐞 𝐜𝐚𝐬𝐞𝐬, 𝐨𝐫 𝐜𝐚𝐧’𝐭 𝐬𝐜𝐚𝐥𝐞 𝐬𝐚𝐟𝐞𝐥𝐲, 𝐈 𝐜𝐚𝐧 𝐚𝐮𝐝𝐢𝐭 𝐢𝐭, 𝐟𝐢𝐱 𝐢𝐭𝐬 𝐰𝐞𝐚𝐤 𝐩𝐨𝐢𝐧𝐭𝐬, 𝐚𝐧𝐝 𝐩𝐮𝐭 𝐞𝐯𝐚𝐥𝐮𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐠𝐮𝐚𝐫𝐝𝐫𝐚𝐢𝐥𝐬 𝐢𝐧 𝐩𝐥𝐚𝐜𝐞 𝐬𝐨 𝐲𝐨𝐮𝐫 𝐭𝐞𝐚𝐦 𝐜𝐚𝐧 𝐭𝐫𝐮𝐬𝐭 𝐢𝐭𝐬 𝐨𝐮𝐭𝐩𝐮𝐭𝐬. 𝐑𝐞𝐥𝐚𝐭𝐞𝐝 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: #GenerativeAI #LLM #LargeLanguageModels #RAG #RetrievalAugmentedGeneration #HybridSearch #Embeddings #VectorSearch #AgenticAI #AIAgents #MultiAgentSystems #FoundationModels #MultimodalAI #LLMSecurity #PromptInjection #DataLeakage #ModelInversion #RedTeaming #EvaluationPipelines #AIArchitecture

I am working as full-time ML engineer at META. In past I have worked in Google, Amazon, and LinkedIn, where I shipped over 100 Machine Learning projects and Generative AI models into production. Today, more than 210,000 YouTube subscribers and 100s of developers on GitHub follow my work in Machine Learning, Artificial Intelligence, Agentic AI, Deep Learning, RAG, and Gen AI. ✅ My No-Risk Guarantee (100% Money-Back): I stand behind my work with a 100% Money-Back Guarantee. If my deliverables don't meet your expectations, you won't pay a single penny. NO TERMS AND CONDITIONS. NO QUESTIONS ASKED. My Credentials & Authority: ⭐ Expert Vetted Freelancer (Ranked in the top 1% globally) 🏆 💼 Current Role: Full-time Engineer at Meta 🎯 🏛️ Past Experience: Full-time Engineer at Google, Amazon, and LinkedIn 🚀 🎓 100+ certifications in AI and Machine Learning from top institutions ✅ 🥇 Ranked Top 10 Elite AI Freelancer on multiple platforms 📈 🎥 Creator of a leading YouTube channel with 200,000+ subscribers ✨ 💻 Leads a developer community of 100s on GitHub 💻 🚀 The Value I Deliver: I specialize in helping Small to Medium Businesses and Early-Stage Startups implement the same scalable Machine Learning and Generative AI systems that top tech companies use to create big positive impact in the world. I turn complex ideas into profitable, production-ready systems, backed by a proven track record that has contributed to $10M+ in client revenue and the successful deployment of over 150 unique AI models. 💡 Why Choose Experience Over Potential?: You are hiring me for my experience, not potential. The reality is choosing the wrong freelancer can set you back months, drain your budget, and cost you your competitive edge. I help you avoid these pitfalls. As seen with global giants like NVIDIA vs. Intel, a single wrong step in AI adoption can decide the winners and losers. I offer you high-stakes reliability. 👀 Want proof? Scroll through my profile to see what my clients have to say in their testimonials; The results speak for themselves. 🙏 Positive Impact on Society: On my Youtube channel, I occasionally showcase how a portion of my Upwork earnings contributes to positive social impact, all made possible by amazing clients like you. I am also the creator of the Generative AI-101 series. 🤝 Ready to Integrate AI into Your Business? Text me here on Upwork to discuss your project roadmap. I will simplify the complex AI process and ensure your project is built on the same robust frameworks used by Big Tech companies. P.S.: Because of my current full-time role at Meta, I have very limited bandwidth and am only able to reply to a few select clients. If you experience a delay in my response, I appreciate your patience.

AI Expert | Machine Learning • Deep Learning • Generative AI I'm a senior AI Engineer with 4+ years of hands-on experience in machine learning and deep learning and has a strong grasp in both research and development project I can help you to build the whole ML pipeline from scratch or improve your solutions. Dealing with various tasks, such as Machine learning, NLP, Time Series Analysis, Computer Vision, Medical EHR and imaging Data, GANs, RAG, Chatbot, Image generation and developing bots for Stocks or/and Crypto markets, deploying APIs for ML models, etc. Skills: - Languages: Python - Frameworks: PyTorch, TensorFlow, Keras, Flask - Libraries: LangChain, NumPy, Pandas, Scikit-Learn, Matplotlib, Plotly, SciPy, NLTK, LightGBM, XGBoost, langchain, pytorch - DB: MySQL, PostgreSQL, MongoDB, VectorDB - Version control: GIT - Other: Docker, Google Cloud, LLM, ChatGPT, LLaMA, OpenAI, Grok, qwen Feel free to reach out I can add the AI touch and technical backbone to your next big idea.

I design and deploy AI systems that don’t just launch, they scale and perform reliably in production. With 50+ live deployments and 100% client satisfaction, I’ve built everything from intelligent AI solutions and Chatbot Development projects to advanced Computer Vision pipelines and predictive Machine Learning models. As an AWS Certified AI Engineer and Head of AI, I specialize in end-to-end AI architecture using Python, PyTorch, TensorFlow and modern cloud platforms like Amazon Web Services, Azure and DigitalOcean. My expertise spans AI Agent Development, Natural Language Processing, Retrieval Augmented Generation, Deep Learning, Data Science and advanced Data Analysis, delivering robust MVPs and fully production-ready AI platforms that drive real business impact. Notable Achievements: ✦ Reaktion: Developed an AI-powered chatbot using Machine Learning and NLP to deliver advanced Data Analytics and dynamic Data Visualization directly from database queries. Reduced manual reporting effort by 60%. ✦ Partfiniti: Automated BOM extraction from PDFs, emails, excel and images into structured JSON with part lookup and natural language generation, improved extraction accuracy to 92%. ✦ Finsight: FinTech forecasting platform on AWS (EC2, RDS, S3) with FastAPI, Streamlit and predictive ML models, improved forecasting accuracy by 28%. ✦ GIS Mineral Analytics: Built end-to-end ETL pipelines with PostGIS, kriging, KNN, IDW and anomaly detection to power predictive mineral mapping and dynamic heatmaps, reducing exploration risk by 28% and improving drill targeting accuracy by 35%. Areas of Expertise: ✦ Machine Learning: (scikit-learn, XGBoost, Time-Series Forecasting), Python (FastAPI, Streamlit) ✦ Gen AI: LLMs, NLP, RAG Pipelines, OpenAI, Llama, AI Agents, ChatGPT ✦ Audio and Speech AI: AI Voice Agents, STT, TTS, TensorFlow Audio Classification APIs ✦ Computer Vision: OCR, Object Detection, Segmentation, Emotion Detection, Image Recognition (OpenCV, Tesseract), Image Generation, Data Extraction ✦ Cloud-Native AI: AWS Lambda, EC2, RDS, S3, Azure AI, FastAPI, Streamlit, API integration, secure backend systems Why do clients love working with me? ✦ Successfully launched production-ready AI/ML systems with measurable business impact. ✦ Scalable, high-quality solutions powered by Generative AI and Machine Learning. ✦ Reliable long-term partner focused on clarity, performance and sustainable growth. ✦ Strong balance of deep technical expertise and real-world business outcomes across multiple industries. 💬 Feel free to reach out anytime! Let’s build the AI-powered success your business deserves and transform your ideas into production-ready impact!

Data Science & Analytics | AI & Machine Learning | Machine Learning Generative AI Modeling | Deep Learning | AI Data Annotation & Labeling | Knowledge Representation Data Analysis & Testing | Data Extraction/ETL Data Analytics | Data Visualization | Experimentation & Testing | Data Extraction | Data Processing I help startups and growing businesses build production-ready Generative AI systems — with a strong focus on AI Voice Agents and advanced, multi-source RAG architectures that go far beyond simple demos. I architect and deploy production-grade custom AI systems that unify data, automate workflows, and integrate intelligence directly into business operations. Whether through machine learning models, LLM-powered agents, or API-driven automation pipelines, I build scalable solutions designed for accuracy, maintainability, and real-world deployment — not experimental demos. Machine Learning | Deep Learning | Generative AI Modeling | AI Integration | Scripting & Automation | Back-End Development | Data Analytics | AI Chatbot Development | Natural Language Processing | Artificial Intelligence | AI Agent Development ✅ What I actually build: 🔹 AI Voice Agents • Voice agents using Vapi AI and Twilio for calling workflows • STT with AssemblyAI / Deepgram • LangGraph-based agents using Anthropic, OpenAI, and Groq models • Tool-calling voice agents for real-time actions and external data access • TTS with ElevenLabs / Cartesia (low-latency, natural voice) • Reliable conversational flows designed for production use 🔹 Agentic RAG Systems • Multi-source retrieval (PDF, CSV, SQL, Web) • Vector databases: FAISS, Qdrant, ChromaDB • Context assembly, hybrid retrieval, reranking, and validation to reduce hallucinations 🔹 MCP-Style AI Architectures • Modular servers for ingestion, retrieval, reasoning, and tools • Clean separation of data sources, agents, and LLM logic 🔹 Automation & Data Pipelines • Python automation, API integrations, and n8n workflows • Data extraction, scraping, and normalization (Playwright, web sources) 🛠 Tech Stack: Python, LangChain, FAISS, Qdrant, Chroma, Vector DBs, LLMs (OpenAI GPT, Anthropic Claude, LLaMA, Gemini, Groq, Ollama local model), Pandas, SQL, Flask, FastAPI, Streamlit, APIs, n8n, Playwright, Docker, VS Code, Scikit-Learn, PyTorch, TensorFlow I care deeply about production reliability, hallucination control, and delivering AI systems that work end-to-end. I also handle deployment, infrastructure setup, and production operations, so clients get a complete end-to-end AI system. 📩 If you need an AI solution designed, implemented, and deployed in production, let’s talk.

👋 Expert Machine Learning, Generative AI Engineer and Full Stack Web Development. I am passionate about solving complex problems and making a positive impact. I bring experience across various projects, specialising in Machine Learning, Generative AI, and Cloud solutions. My expertise includes leveraging tools and frameworks such as Pandas, Matplotlib, Seaborn, Scikit-Learn, OpenCV, TensorFlow, PyTorch, Hugging Face Transformers, LangChain, ChatGPT, Gemini, Llama, Cohere, Pinecone, LlamaIndex, and more to build innovative solutions. I am an AWS Certified Generative AI Developer Professional, AWS Certified Machine Learning Engineer Associate, AWS Certified AI Practitioner, Google Cloud Certified Associate Cloud Engineer, Google Cloud Certified Generative AI Leader, a Databricks Certified Generative AI Engineer Associate, and an Oracle Cloud Infrastructure 2024 Generative AI Certified Professional. I am skilled in data analysis, predictive modelling, sentiment analysis, classification, regression, clustering, and object detection. My strong foundation in Python, JavaScript, and SQL, coupled with experience developing REST APIs, enables me to create robust solutions. I am also well-versed in cloud computing, with expertise in deploying machine learning models on both Google Cloud and AWS. 🚩AREA OF EXPERTISE ----------------------------------- ✔️ LLM Fine-tuning & Deployment ✔️ Generative AI Applications ✔️ Retrieval-Augmented Generation (RAG) ✔️ Machine Learning (ML) and Deep Learning(DL) ✔️ Data Analysis and Visualisation ✔️ Natural Language Processing(NLP) ✔️ Time series forecasting, Anomaly detection ✔️ AI Applications building using open-source models and Hugging Face tools ✔️ GCP & AWS AI Services ✔️ API Development 🚩TECHNICAL SKILLS -------------------------------------------------------- ✔️ Python, JavaScript, SQL ✔️ LangChain | LangGraph | LlamaIndex | Autogen | Swarm | CrewAI | OpenAI GPT-4o | Claude | Gemini | Llama 3 ✔️ Pinecone | Qdrant | Chroma | FAISS ✔️ Numpy, Pandas, Jupyter Notebook, Matplotlib, Seaborn, Plotly ✔️ SciKit-Learn, NLTK, BeautifulSoup, Statsmodel ✔️ TensorFlow, Keras, PyTorch, PyTorch Lightning ✔️ OpenCV, Scikit-Image, Pillow, Tesseract ✔️ DNN, CNN, RNN/LSTM, GAN ✔️ Hugging Face Transformers, ✔️ FastAPI, Flask, Streamlit I believe clear communication is key to success, and I prioritise understanding my clients' needs and vision. I'm excited to apply my skills to new challenges and am confident in making valuable contributions to any team. Thank you for considering my profile, and I look forward to the opportunity to work with you soon.