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in the United States

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Rating is 4.8 out of 5.
4.8/5
Based on 214 client reviews
Lobna M.

Malden, Massachusetts

$60/hr
5.0
15 jobs

My husband and I are working as a team using our diverse skills to work on projects related to Computer Vision, Image Processing, Drone Software Development, Data Analysis and Augmented Reality. We also have experience in deploying AI/Computer Vision algorithms into Mobile (Native Platforms iOS & Android) and Web (Using Web Assembly & WebGL). We have a strong background in C++ and OpenCV. We have done many projects related to face detection and filters and deploy it into web.

  • Computer Vision
  • C++
  • Deep Learning
  • Image Processing
  • OpenCV
  • Python
  • Augmented Reality
  • Databricks Platform
  • PySpark
  • WebGL
  • Azure Machine Learning
  • Microsoft Azure
  • Data Science
  • LLM Prompt Engineering
  • Retrieval Augmented Generation
Tayyab T.

San Jose, California

$60/hr
4.7
106 jobs

๐“๐Ž๐ ๐Ÿ% ๐Ž๐ ๐”๐๐–๐Ž๐‘๐Š | ๐„๐—๐๐„๐‘๐“-๐•๐„๐“๐“๐„๐ƒ ๐€๐ˆ ๐„๐๐†๐ˆ๐๐„๐„๐‘ ๐€๐ˆ ๐€๐†๐„๐๐“๐’ โ€ข ๐‘๐€๐† โ€ข ๐‹๐‹๐Œ ๐€๐๐๐’ โ€ข ๐ง๐Ÿ–๐ง ๐€๐”๐“๐Ž๐Œ๐€๐“๐ˆ๐Ž๐ โ€ข ๐•๐Ž๐ˆ๐‚๐„ ๐€๐ˆ โ€ข ๐ƒ๐€๐“๐€ ๐€๐๐€๐‹๐˜๐“๐ˆ๐‚๐’ Most businesses donโ€™t need another AI demo. They need reliable AI systems that connect with real tools, automate real workflows, work with private business data, and keep running in production. Thatโ€™s what I build. Iโ€™m Tayyab, an Upwork Expert-Vetted AI Engineer with an MS in AI & NLP from Stanford. Iโ€™ve delivered 200+ projects across AI agents, LLM applications, RAG systems, workflow automation, machine learning, analytics, and full-stack product development. I help startups, enterprises, and operations teams turn manual, fragmented, and data-heavy processes into secure, scalable AI-powered systems. ๐€๐ˆ ๐€๐†๐„๐๐“๐’ & ๐€๐†๐„๐๐“๐ˆ๐‚ ๐–๐Ž๐‘๐Š๐…๐‹๐Ž๐–๐’ I build AI agents that can reason over data, call tools, update systems, trigger workflows, and support human-in-the-loop approvals. This includes multi-agent systems, tool calling, function calling, structured outputs, long-term memory, workflow orchestration, MCP integrations, evaluation pipelines, tracing, and production monitoring. Tools: OpenAI Agents SDK, LangGraph, LangChain, CrewAI, AutoGen, Claude, Gemini, OpenAI, and open-source LLMs. ๐‘๐€๐†, ๐‹๐‹๐Œ ๐€๐๐๐’ & ๐ƒ๐Ž๐‚๐”๐Œ๐„๐๐“ ๐€๐ˆ I design private AI knowledge systems that let teams chat with documents, PDFs, emails, spreadsheets, research papers, legal files, SOPs, and internal knowledge bases. This includes RAG pipelines, semantic search, vector databases, PDF extraction, OCR, document Q&A, enterprise search, secure knowledge assistants, hallucination control, citation-based answers, and grounded AI workflows. Tools: Pinecone, Qdrant, Weaviate, pgvector, OpenSearch, LlamaIndex, LangChain, Azure OpenAI, Amazon Bedrock, OpenAI, Claude, and Gemini. ๐€๐ˆ ๐€๐”๐“๐Ž๐Œ๐€๐“๐ˆ๐Ž๐, ๐ง๐Ÿ–๐ง & ๐–๐Ž๐‘๐Š๐…๐‹๐Ž๐– ๐ˆ๐๐“๐„๐†๐‘๐€๐“๐ˆ๐Ž๐ I build automation systems that connect CRMs, internal tools, APIs, webhooks, databases, emails, forms, spreadsheets, and third-party platforms into reliable business workflows. This includes lead routing, CRM automation, sales automation, reporting automation, document collection, data enrichment, approval flows, API integrations, retries, audit trails, logging, and monitoring. Tools: n8n, Make, Zapier, HubSpot, Salesforce, GoHighLevel, Airtable, Notion, ClickUp, Google Workspace, Office 365, Slack, Teams, Zendesk, REST APIs, and webhooks. ๐•๐Ž๐ˆ๐‚๐„ ๐€๐ˆ, ๐‚๐‡๐€๐“๐๐Ž๐“๐’ & ๐‚๐Ž๐๐•๐„๐‘๐’๐€๐“๐ˆ๐Ž๐๐€๐‹ ๐€๐ˆ I build AI voice agents, chat assistants, intake agents, lead qualification systems, scheduling assistants, AI receptionists, call transcription workflows, and conversation intelligence platforms. Tools: VAPI, Twilio, OpenAI Realtime API, Deepgram, Whisper, ElevenLabs, Retell AI, Bland AI, Claude, OpenAI, and Gemini. ๐ƒ๐€๐“๐€, ๐Œ๐‹, ๐€๐๐€๐‹๐˜๐“๐ˆ๐‚๐’ & ๐‚๐Ž๐Œ๐๐”๐“๐„๐‘ ๐•๐ˆ๐’๐ˆ๐Ž๐ I build data and machine learning systems for forecasting, classification, predictive analytics, recommendation engines, dashboards, OCR, computer vision, object detection, and automated reporting. Tools: Python, FastAPI, Django, Node.js, TypeScript, React, Next.js, PostgreSQL, MongoDB, Neo4j, PyTorch, TensorFlow, scikit-learn, Hugging Face, Power BI, Tableau, Plotly, OpenCV, YOLO, and Roboflow. ๐’๐„๐‹๐„๐‚๐“๐„๐ƒ ๐‘๐„๐’๐”๐‹๐“๐’ โ€ข Built an insurance automation system that reduced processing time by ~40% โ€ข Developed a document intelligence system that processed 600-page PDFs in minutes โ€ข Created a legal RAG system with ~80โ€“85% alignment against historical outcomes โ€ข Automated reporting workflows that saved 200+ hours/month โ€ข Contributed to a cloud intelligence platform supporting a $50M+ fundraising round โ€ข Delivered AI systems across healthcare, legal, finance, insurance, energy, real estate, government, and operations-heavy industries ๐๐„๐’๐“-๐…๐ˆ๐“ ๐๐‘๐Ž๐‰๐„๐‚๐“๐’ โ€ข AI agent development โ€ข RAG and document Q&A systems โ€ข Private AI knowledge bases and AI second brains โ€ข n8n, Make, Zapier, and API workflow automation โ€ข OpenAI, Claude, Gemini, Azure OpenAI, and Bedrock integrations โ€ข Voice AI agents using VAPI, Twilio, Deepgram, and ElevenLabs โ€ข CRM automation for GoHighLevel, HubSpot, Salesforce, and custom CRMs โ€ข AI SaaS MVPs and proof-of-concept builds โ€ข AI dashboards, analytics, and reporting platforms โ€ข Computer vision, OCR, document extraction, and inspection AI I donโ€™t just connect an AI API and call it done. I design the full system around your business workflow, data sources, users, permissions, edge cases, and long-term maintainability. Have a manual workflow, private knowledge base, AI product idea, or data-heavy process you want to automate? Send me the tools you use, the current workflow, and the outcome you want. Iโ€™ll help you identify the most practical path from idea to a reliable AI production system.

  • Computer Vision
  • Python
  • AI Agent Development
  • Large Language Model
  • OpenAI API
  • Chatbot Development
  • Automation
  • Automated Workflow
  • API Integration
  • Machine Learning
  • Natural Language Processing
  • Data Extraction
  • Data Analytics
  • AI App Development
  • Business Process Automation
  • Data Engineering
  • Prompt Engineering
  • Claude
  • AI Model Integration
  • Retrieval Augmented Generation
Weston S.

Santa Clarita, California

$100/hr
5.0
4 jobs

๐Ÿ”ฅ ๐—ฆ๐—ฒ๐—ป๐—ถ๐—ผ๐—ฟ ๐—”๐—œ/๐— ๐—Ÿ ๐—”๐—ฟ๐—ฐ๐—ต๐—ถ๐˜๐—ฒ๐—ฐ๐˜ | ๐——๐—ฎ๐˜๐—ฎ ๐—ฆ๐—ฐ๐—ถ๐—ฒ๐—ป๐˜๐—ถ๐˜€๐˜ | ๐—”๐—ด๐—ฒ๐—ป๐˜๐—ถ๐—ฐ ๐—˜๐—ป๐—ด๐—ถ๐—ป๐—ฒ๐—ฒ๐—ฟ | ๐—š๐—ผ๐—ผ๐—ด๐—น๐—ฒ ๐—–๐—น๐—ผ๐˜‚๐—ฑ ๐—ฃ๐—ฟ๐—ฒ๐—บ๐—ถ๐—ฒ๐—ฟ ๐—ฃ๐—ฎ๐—ฟ๐˜๐—ป๐—ฒ๐—ฟ | ๐Ÿญ๐Ÿฌ+ ๐˜†๐—ฒ๐—ฎ๐—ฟ๐˜€ ๐—ผ๐—ณ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ ๐Ÿ”ฅ A highly accomplished and results-driven AI/ML Architect with over 10 years of experience, specializing in architecting and deploying advanced AI/ML solutions for enterprise clients across diverse industries including airline, automotive, marketing analytics, political outreach, and fact-checking for publishers. My background spans the entire AI/ML lifecycle, from strategic solution design to hands-on implementation and operationalization of scalable, real-world systems. I'm currently leading the team at AI Arch Solutions to excel at translating complex business challenges into innovative, AI-driven solutions that deliver measurable ROI. ๐Ÿ’ช ๐‚๐Ž๐‘๐„ ๐‚๐Ž๐Œ๐๐„๐“๐„๐๐‚๐ˆ๐„๐’ ๐Ÿ’ช ๐˜ผ๐’ˆ๐™š๐’๐™ฉ๐’Š๐™˜ ๐˜ผ๐‘ฐ & ๐‘จ๐™ช๐’•๐™ค๐’๐™ค๐’Ž๐™ค๐’–๐™จ ๐™Ž๐’š๐™จ๐’•๐™š๐’Ž๐™จ โ— ๐—”๐—ด๐—ฒ๐—ป๐˜ ๐—”๐—ฟ๐—ฐ๐—ต๐—ถ๐˜๐—ฒ๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ๐˜€: ReAct (Reasoning and Acting), RAG (Retrieval-Augmented Generation), Multi-Agent Systems (MAS), Hierarchical Agent Architectures (e.g., Manager-Worker) โ— ๐—–๐—ผ๐—ฟ๐—ฒ ๐—”๐—ด๐—ฒ๐—ป๐˜ ๐—”๐—ฏ๐—ถ๐—น๐—ถ๐˜๐—ถ๐—ฒ๐˜€: Tool Use & Function Calling, Complex Task Decomposition, Dynamic Planning & Reasoning, Self-Correction & Reflection Loops (e.g., Reflexion) โ— ๐— ๐—ฒ๐—บ๐—ผ๐—ฟ๐˜† ๐— ๐—ฎ๐—ป๐—ฎ๐—ด๐—ฒ๐—บ๐—ฒ๐—ป๐˜: Designing and implementing agent memory systems, including short-term (context window), long-term (vector databases), and structured memory approaches โ— ๐—ฃ๐—ฟ๐—ผ๐—บ๐—ฝ๐˜ ๐—˜๐—ป๐—ด๐—ถ๐—ป๐—ฒ๐—ฒ๐—ฟ๐—ถ๐—ป๐—ด & ๐—ฆ๐˜๐—ฎ๐˜๐—ฒ ๐— ๐—ฎ๐—ป๐—ฎ๐—ด๐—ฒ๐—บ๐—ฒ๐—ป๐˜: Advanced prompt chaining, state tracking across multi-turn interactions, and managing conversational context for complex tasks ๐‘ซ๐™–๐’•๐™– ๐™Ž๐’„๐™ž๐’†๐™ฃ๐’„๐™š & ๐˜ฟ๐’‚๐™ฉ๐’‚ ๐‘ฌ๐™ฃ๐’ˆ๐™ž๐’๐™š๐’†๐™ง๐’Š๐™ฃ๐’ˆ โ— ๐— ๐—ผ๐—ฑ๐—ฒ๐—น ๐—ฃ๐—ฟ๐—ฒ๐—ฝ๐—ฎ๐—ฟ๐—ฎ๐˜๐—ถ๐—ผ๐—ป: Data cleaning, data imputation, feature engineering, feature space reduction (PCA) โ— ๐— ๐—ผ๐—ฑ๐—ฒ๐—น ๐—˜๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ: LLMs, Neural Networks, NLP (BERT, ELMO, GPT Variants), K-Means / Hierarchical Clustering, Logistic Regression, Random Forest (XGBoost), K-Nearest Neighbor, Naรฏve Bayes, GridSearch, Causal Inference, Bayesian Marketing Mix Modeling โ— ๐——๐—ฎ๐˜๐—ฎ ๐—ฉ๐—ถ๐˜€๐˜‚๐—ฎ๐—น๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€: Tableau, Seaborn, Matplotlib, Plotly, Dash โ— ๐—–๐—ผ๐—ฑ๐—ถ๐—ป๐—ด: Python (NumPy, pandas, scikit-learn, TensorFlow, Keras, NLTK, LangChain, Streamlit), SQL, Java, R โ— ๐——๐—ฎ๐˜๐—ฎ ๐—ง๐—ผ๐—ผ๐—น๐˜€: Google Cloud Platform (BigQuery, Vertex AI), AWS (SageMaker, Lambda, S3), Databricks, Airflow (DAGs), Pinecone, PostgreSQL โ— ๐—˜๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—บ๐—ฒ๐—ป๐˜๐—ฎ๐˜๐—ถ๐—ผ๐—ป: Regression Discontinuity Design, Interrupted Time Series, A / B Testing

  • Artificial Intelligence
  • Deep Learning
  • Python
  • Machine Learning
  • Data Extraction
  • ETL
  • ETL Pipeline
  • Amazon Web Services
  • Google Cloud Platform
  • Analytics
  • BigQuery
  • Mathematics
  • Statistics
  • Data Visualization
  • Natural Language Processing
Richard C.

Charlotte, North Carolina

$189/hr
5.0
32 jobs

Hi - I'm an ex-Deloitte Applied AI and Strategy senior consultant; expertise in designing, developing, and deploying AI systems and data platforms. I've worked with clients ranging from Fortune 100 to SMBs. I built and launched a VC-backed AI / computer-vision startup and currently an Adjunct Professor of Machine Learning and Computer Vision at UNC Charlotte. Technical Expertise: python, pytorch, opencv, langchain / langgraph, scikitlearn, numpy, pandas, react, react-native, nextjs, django, fastapi, sql / nosql, aws

  • Computer Vision
  • Artificial Intelligence
  • Python
  • PyTorch
  • Cloud Computing
  • SQL
  • Project Management
  • Business Strategy
  • Presentation Design
  • Requirements Specification
  • Machine Learning
  • Cloud Database
  • Data Analytics
  • Data Integration
  • Data Analysis
Cam C.

Bellevue, Washington

$250/hr
4.7
26 jobs

Former NASA engineer and honors graduate of Harvard's CS department here to help you create your AI, computer vision, real-time 3D graphics, or machine learning application in the simplest, most cost-effective and efficient manner possible. I primarily consult to busy entrepreneurs, researchers and new ventures, and will work with you directly to define your requirements, choose optimal technologies, establish deadlines, and then develop the code to your specifications, all with minimal oversight and time-investment on your part. Take your project quickly from start to finish, working one-on-one with an established specialist with a dedicated and professional work ethic, reputable credentials, a top-tier educational background, and a roster of happy clients. Get your project done right, the first time. --- Service Description End-to-end software application development, with a focus on deep learning and computer vision applications, generative AI, networked and/or interactive real-time 3D graphics, general machine learning, multi-way videoconferencing, and GPU performance optimization (HPC / GPGPU). Linux / Windows / Android / AWS (since 2012) Feel free to contact me directly at 'camc at terescape dot com' --- Skills: deep learning, computer vision, machine learning, diffusion models, GANs, GNNs, NeRF, CUDA, WebGL2, OpenGL, C++, Dlib, openCV, 3D, image processing, OpenGL ES, WebGL, WebRTC, JavaScript, algorithms, Java, Android, Kinect, Amazon Web Services (AWS), Geographic Information Systems (GIS), optimization, DirectCompute, DirectX, shaders, HLSL, GLSL, Python, TensorFlow, PyTorch, AI, artificial intelligence, NFT, generative NFT, synthetic data, Stable Diffusion, ControlNet, Hugging Face, Llama, ViT, Transformers, model fine-tuning ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ for SEO (my apologies): Graph Neural Networks, Graph Neural Network, GNN, GNNs, GNN's, Generative Adversarial Network, Generative Adversarial Networks, GAN, GANs, GAN's, NeRF, Neural Radiance Field, A.I., shader, AWS, GIS, WebGL 2, WebGL2.0, WebGL 2.0, threejs, 3D Vision, CV, realtime, real-time, realtime 3D graphics, real-time 3D graphics, synthetic data, Llama, Llama-Vision, Llama-Vision-Instruct, ViT, OpenClaw. Note: I am currently seeking opportunities in bioinformatics / chemoinformatics related to spatial computing / 3D. Any leads very much appreciated!: camc at terescape dot com

  • Computer Vision
  • C++
  • Deep Learning
  • Neural Network
  • Python
  • PyTorch
  • TensorFlow
  • Machine Learning
  • WebGL
  • CUDA
  • JavaScript
  • Android
  • NFT
  • Generative AI
  • Stable Diffusion
Paul J.

Boise, Idaho

$90/hr
4.9
29 jobs

I can turn your project or an idea into reality, from conceptual design to building a working prototype and a small production run if needed. I specialize in: - Computer Vision research and development - Machine Vision system integration - Algorithm development - High performance implementation of image processing and computational geometry algorithms in C++ and Python - Robotics and mechatronics prototyping - Embedded systems prototyping

  • Computer Vision
  • C++
  • Image Processing
  • OpenCV
  • Python
  • Algorithm Development
  • Research & Development
  • Prototyping
  • Microcontroller Programming
  • Robotics
  • Digital Electronics
  • ESP32
  • Raspberry Pi
  • Mechatronics
  • Machine Vision

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