I help SaaS companies and agencies generate verified B2B leads and decision-maker emails for high-conversion outreach campaigns. 🌟 Top-Rated Freelancer with 518+ completed jobs.🌟 🌟 28,309+ Hours Worked 🌟 Trusted by 518+ Clients Worldwide. Client Satisfaction Summary ⭐ 5-Star Reviews: 500+ Successfully Completed Projects ⭐ 4-Star Reviews: 15+ Projects ⭐ 3-Star Reviews: Minimal Cases with Positive Resolution ⭐ Client Retention: Long-Term Repeat Clients Worldwide ⭐ Total Work Hours: 28,309+ Hours Worked on Upwork ⭐ Specialized In: Lead Generation, Web Research, Email List Building & Image Annotation With over 10 years of experience, I've completed 518 jobs. My expertise includes: • Web Research • Lead Generation • Email List Building • Market Research • Data Mining • Internet Research • Data Entry (Data entry services for various Softwares (Notion, Hubspot, Airtable & Shopify) Here's a detailed list of services I offer: • Web Research: Expert web research services, including email finding and company contact information • Lead Generation: B2B, B2C, and LinkedIn lead generation • Email List Building: Generic Company emails, Personal & Business emails research Expert • Data Conversion: PDF to Excel/Word/Editable PDF conversion • Data Extraction: Extracting data from websites and directories. • Data Entry: I am a professional typist with a 70 WPM speed and 100% accuracy. 🚀 Why choose me as a freelancer! I bring a unique combination of expertise, dedication, and reliability to every project. I have over 10 years of experience in 𝙒𝙚𝙗 𝙍𝙚𝙨𝙚𝙖𝙧𝙘𝙝, 𝙇𝙚𝙖𝙙 𝙂𝙚𝙣𝙚𝙧𝙖𝙩𝙞𝙤𝙣, 𝘿𝙖𝙩𝙖 𝙚𝙣𝙩𝙧𝙮. I have completed numerous projects for clients worldwide, delivering high-quality results on time and within budget. I prioritize clear communication, attention to detail, and client satisfaction, ensuring your project is completed exactly as you envision it. Whether you need 𝙒𝙚𝙗 𝙍𝙚𝙨𝙚𝙖𝙧𝙘𝙝, 𝙇𝙚𝙖𝙙 𝙂𝙚𝙣𝙚𝙧𝙖𝙩𝙞𝙤𝙣 & 𝘿𝙖𝙩𝙖 𝙚𝙣𝙩𝙧𝙮. I am committed to exceeding expectations and providing real value to your business. Let's collaborate and bring your ideas to life! Feel free to reach out to discuss your project needs! Best Regards, Asmat

Hi, I’m Rufel, a detail-oriented and reliable Data Annotation Specialist with experience using platforms such as CVAT, Roboflow, Labelbox, Super Annotate, and various in-house tools provided by clients. Just send me a message and share your guidelines and a sample test so I can demonstrate my skills. I specialize in image, video, and text annotation, including bounding box annotation, polygon annotation, keypoint annotation, semantic segmentation, object tracking, and data labeling to support high-quality AI and machine learning models. I have a strong eye for detail and consistency, ensuring accurate and well-labeled datasets. I am adaptable and can quickly learn new tools and workflows based on project requirements. I follow instructions carefully and maintain high standards to meet client expectations. Skills & Expertise Image and video annotation (bounding boxes, polygon, keypoints, segmentation, object tracking) Text annotation and labeling Experience with CVAT, Roboflow, Labelbox, and client-specific tools Data quality control and consistency checking Fast learner with strong adaptability Strong work ethic and on-time delivery I am committed to providing precise and high-quality annotations that help improve AI model performance. I’m open to both short-term and long-term projects and always ready to contribute to your team. Let’s work together to build accurate and reliable datasets!

LLMs | RAG | MCP | Chatbot | Vector DB | LangChian | Stable Diffusion | ETL | OCR | Computer Vision | Gemini | Open AI | MultiAgent | Langgraph | Crew.ai | NLP | Llama | ChatGPT | Mistral | Azure AI | Image Annotation I am an AI/ML/ Computer Vision specialist with over 08+ years of experience.  Full-Stack Development: JavaScript, TypeScript, Node.js, React, Next.js, Angular, Express.js, Vue.js, Svelte, MongoDB, PostgreSQL, MySQL, MariaDB, SQLite, RESTful APIs, GraphQL, Apollo, WebSockets Frontend Development: HTML5, CSS3, JavaScript, TypeScript, Tailwind CSS, Bootstrap, SASS, LESS, React, Angular, Vue.js, Svelte, jQuery, Material-UI, Chakra UI Backend Development: Python, FastAPI, Node.js, Express.js, Django, Flask, GraphQL, Java, Spring Boot, C#, .NET, Ruby on Rails, PHP, Laravel, Go, Rust Computer Vision - OpenCV, TensorFlow, PyTorch, CNNs, object detection (YOLO, Faster R-CNN),ONNX, TensorRT 𝐓𝐡𝐞 𝐦𝐚𝐢𝐧 𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐩𝐫𝐨𝐯𝐢𝐝𝐞: ✔️ Machine learning ✔️ Trading Bots development ✔️ Fine-Tuning ✔️ Web services ✔️ Python programming ✔️ OpenAI API integration ✔️ GPT 4 training and integration ✔️ Web-scrapping ✔️ Chatbot development using GPT ✔️ Web-development (mainly back-end) ✔️ Computer vision ✔️ Natural language processing ✔️ Desktop applications development ✔️ Transfer Learning ✔️ AI models training ✔️ Web Services

I help startups and businesses build custom software systems that streamline operations, automate workflows, and support growth. From CRM and ERP platforms to AI-powered applications, I develop scalable solutions that solve real business problems and deliver measurable results. What I Build ✅ Business Management Systems * CRM (Customer Relationship Management) * ERP (Enterprise Resource Planning) * HRM (Human Resource Management) * Inventory Management Systems * Project Management Platforms * Custom Admin Dashboards ✅ AI & Automation Solutions * AI Agents and Assistants * RAG Chatbots and Knowledge Bases * Workflow Automation * OpenAI and Claude Integrations * Business Process Automation ✅ Computer Vision & OCR * Document Processing Systems * OCR and Data Extraction * Image Recognition Solutions * Quality Inspection Systems ✅ SaaS & Web Applications * Multi-Tenant SaaS Platforms * Customer Portals * Internal Business Tools * API Development * Cloud-Based Applications Recent Deliverables • Developed custom CRM and business management platforms that centralized operations and improved team productivity. • Built AI-powered document processing systems achieving high extraction accuracy while reducing manual work. • Created RAG-based knowledge assistants capable of answering questions from large document repositories. • Delivered complete SaaS products from planning and architecture to deployment and ongoing support. Technology Stack Python, FastAPI, Django, Next.js, React, Node.js, PostgreSQL, Supabase, AWS, Docker, OpenAI, Claude, LangChain, LangGraph, Computer Vision, OCR, REST APIs, n8n. Why Work With Me * End-to-end development from idea to deployment * Strong expertise in both traditional software and AI * Focus on business outcomes, not just code * Clear communication and reliable delivery Whether you need a CRM, ERP, HRM, SaaS platform, AI application, automation system, or computer vision solution, I can help transform your requirements into a production-ready product.

As a dedicated data annotation specialist, I bring precision and attention to detail to every project. My name is Vivian Ugochi Okeke, I am an Image, Video, Text, and Audio Annotator with years of experience in Annotating data to train machine learning models effectively and Artificial Intelligence. My commitment to quality ensures that every annotation meets industry standards and enhances model accuracy. I am proficient in various annotation tools such as bounding box, cuboid, polygon, polyline and annotation platforms such as CVAT, Labelbox, Labelimg, VGG annotation, LightTag Makesense.ai and have a strong understanding of data quality requirements. I thrive in fast-paced environments and am adept at managing multiple projects simultaneously while adhering to tight deadlines. Let's collaborate to turn your raw data into actionable insights! Thank You

𝐏𝐲𝐭𝐡𝐨𝐧 • 𝐃𝐣𝐚𝐧𝐠𝐨 • 𝐅𝐥𝐚𝐬𝐤 • 𝐅𝐚𝐬𝐭𝐀𝐏𝐈 • 𝐑𝐞𝐚𝐜𝐭.𝐉𝐒 • 𝐀𝐧𝐠𝐮𝐥𝐚𝐫.𝐉𝐒 • 𝐍𝐞𝐱𝐭.𝐉𝐒 • 𝐍𝐨𝐝𝐞.𝐣𝐬 • 𝐕𝐮𝐞.𝐉𝐒 • 𝐓𝐞𝐧𝐬𝐨𝐫𝐅𝐥𝐨𝐰 • 𝐂𝐡𝐫𝐨𝐦𝐞 𝐄𝐱𝐭𝐞𝐧𝐬𝐢𝐨𝐧𝐬 • 𝐒𝐞𝐜𝐮𝐫𝐞 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐀𝐛𝐨𝐮𝐭 𝐌𝐞:- I am a problem-solver at heart and a builder by trade, blending the worlds of AI, machine learning, and full-stack web development to craft next-gen digital experiences. With a foundation rooted in Python and a passion for scalable intelligence, I architect solutions that aren't just smart, they’re transformative. From building AI models that see, understand, and predict, to launching full-stack platforms that integrate those models in real-time, I thrive at the intersection of code, creativity, and cutting-edge tech. Whether you need a smart Chrome extension, an AI-powered SaaS platform, or a custom deep learning pipeline, I bring the tools, mindset, and execution to get it done. 𝐂𝐨𝐫𝐞 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐭𝐢𝐞𝐬 𝐀𝐫𝐭𝐢𝐟𝐢𝐜𝐢𝐚𝐥 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 Custom Model Development: Deep learning and ML using TensorFlow, PyTorch, Hugging Face Computer Vision: Real-time image & video processing, object detection, frame-rate optimization Smart Data Pipelines: Automated data collection, annotation, pre-processing, and feature extraction 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Frontend: React, Angular, Vue, Tailwind, Bootstrap, TypeScript, Redux Backend: Python, Django, FastAPI, Flask, Node.js, Laravel, Symfony Databases: PostgreSQL, MongoDB, MySQL API Integration: Secure RESTful APIs, real-time sync, token-based auth 𝐂𝐡𝐫𝐨𝐦𝐞 𝐄𝐱𝐭𝐞𝐧𝐬𝐢𝐨𝐧 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠:- Custom extensions (Manifest V2/V3) using JS or modern frameworks In-browser AI tools, automation, data scraping, UI enhancements 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 Cloud: AWS, Heroku, Vercel, Netlify, Azure CI/CD: Docker, Jenkins, GitHub Actions, Nginx Version Control: Git, Bitbucket, SVN 𝐍𝐨𝐭𝐚𝐛𝐥𝐞 𝐖𝐢𝐧𝐬 Built computer vision AI that analyzed live video feeds across multiple industries Launched full-stack platforms with real-time AI inference on the front-end Developed automation systems that reduced manual work by 60% Engineered Chrome extensions with built-in AI — boosting productivity and scraping efficiency 𝐖𝐡𝐚𝐭 𝐒𝐞𝐭𝐬 𝐌𝐞 𝐀𝐩𝐚𝐫𝐭 AI Meets UX: I bridge the gap between back-end intelligence and intuitive front-end design — bringing ML predictions to the browser in real-time. Builder’s Mentality: I don't just ship code. I craft solutions that are scalable, user-focused, and business-ready. Security-Driven: From encrypted user flows to secure APIs — data integrity is always top of mind. 𝐓𝐨𝐨𝐥𝐬 & 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 𝐈 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐀𝐈/𝐌𝐋: TensorFlow, PyTorch, Hugging Face, Scikit-learn, OpenCV, Pandas, NumPy, OpenAI 𝐃𝐞𝐯𝐎𝐩𝐬: Docker, Nginx, Jenkins, Heroku 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐓𝐨𝐨𝐥𝐬: Asana, Trello, OpenProject, Jira 𝐄𝐧𝐯𝐢𝐫𝐨𝐧𝐦𝐞𝐧𝐭𝐬: Linux, macOS, Windows 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 𝐭𝐡𝐞 𝐅𝐮𝐭𝐮𝐫𝐞 𝐓𝐨𝐠𝐞𝐭𝐡𝐞𝐫 I am always excited to collaborate on projects that push the boundaries of what AI and software can do, whether you're building a smart SaaS tool, automating workflows, or launching a product from scratch. 𝐋𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭 𝐢𝐟 𝐲𝐨𝐮’𝐫𝐞 𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐨𝐧: AI-powered web applications Custom ML model development and deployment AI Chatbot, Agent and Trading Solution building Chrome extension development Data-driven dashboards and analytics Intelligent automation systems Together, we can turn innovative ideas into intelligent, high-impact products.

I have been working on some projects relative to Intelligent Video Analysis for - AI Agent collecting lead for photographer business - Retriever and answer question based on given knowledge documentation using langchain, hugging face and OpenAI platform API - Traffic surveillance, vehicle detection, license plate recognition - Pose estimation - Re-identification (reID) system - Retail shop tracking management - people tracking for single camera and multiple cameras - Had about 6 years of experience with Deepstream So the experience that I consist of: + Skill: - Build Hailo Engine AI model on Pi Raspberry 5 edge device - Building/Training model Deep Learning for Objects Detection / Classification - Image and Video processing - Working on streaming video, understanding video Encode/Decode - Data mining (Data struct design, data analysis) - Optimizer algorithm/modeling - Video Encoding/ Decoding on GPU and CPU - Web development (I self develop the Web Application name Data Annotation Tool. The system manager and labeling data for image/video. Build own self-DATASET for training model) - WebRTC - DevOps + Programming language - C/C++, Python, JavaScript, Java, Go, Rust + Framework LLM: OpenAI Platform, LangChaib, SGlang / Ollama / vLLM Vision: OpenCV, DS-ML: Numpy, Pytorch, Caffe, Keras Nvidia: NVDEC/NVENC, TensorRT, Deepstream SDK, TAO Toolkit Database: Postgresql, MongoDB (Cloud / Atlas), MySQL, SQLlite, Redis Font-End: React, FabricJS Back-End: Django (Django REST), Message Serving: Kafka Apache, NATS, Elastic Others: FFmpeg, , GStreamer, Celery, Kurento + Clouds: AWS, Google Cloud, Digital Ocean + Tool / Software / Application - Linux, Window - Visual Studio Editor, Sublime Text - Docker - Copilot

Leveraging over 15 years of independent freelancing success in virtual assistance, administrative support, and customer care, I offer a comprehensive suite of services augmented by significant expertise in data labeling. I am adept at providing precise data annotation and image tagging essential for advancing AI and image recognition technologies. My proven experience includes large-scale annotation projects utilizing Retool, Fotonower, Label Studio, and Roboflow, contributing to the accuracy and efficiency of various AI models. Clients benefit from my unwavering commitment to meticulous work, exceptional linguistic precision, and rapid turnaround times, supported by a flexible, often 7-day, schedule.

🚀"Precision in data annotation drives accuracy in machine learning. Let me bring clarity and detail to your datasets."🚀 Top-Rated AI Data Annotation Specialist with over 3 years of experience delivering high-quality labeled datasets for machine learning and computer vision projects. I support AI teams with accurate image, video, audio, and text annotation, as well as quality assurance workflows that improve dataset consistency and model readiness. My expertise spans various domains, including annotating images of cars, solar panels, structures, roofs, signposts, surgical procedures and more. I've also worked on annotating audio clips, music, sound, and videos featuring moving vehicles, people and buildings. 💦Services: ▶️Image Annotation: Bounding boxes, polygons, pixel-wise segmentation, and line tools. ▶️Text Annotation: Reviews, product classification, categorization of articles, claims, tweets, URLs, fashion items, and more. ▶️Video Annotation: Tracking and tagging objects like moving cars, bikes, and buildings. ▶️Audio Annotation: Labeling and segmentation of music, sound clips, and other audio data. 💦Tools I Work With: ▶️Labelbox ▶️LabelImg ▶️SuperAnnotate ▶️Doccano ▶️CrowdAI ▶️CVAT ▶️Microsoft Excel ▶️Google Sheets ▶️Custom client software (NDA protected) I deliver annotated data in various formats, including YOLO, Pascal VOC, JSON, etc., ensuring compatibility with your specific needs. 💦Work Process: ▶️I work closely with clients to understand their annotation guidelines and expectations. ▶️I maintain open communication, asking questions when necessary to ensure clarity and precision. ▶️Projects are completed only when the client reviews and certifies all tasks. I am known for delivering consistent, detail-oriented annotation work, maintaining labeling accuracy across large datasets, and adapting quickly to project guidelines to support scalable AI workflows. If you're looking for a reliable annotation specialist who delivers quality work at scale, I’d be glad to support your project. Click on the 'invite' button to discuss your project. Regards, Elizabeth

Trusted by leading AI companies to deliver training data that drives models beyond 95% accuracy. With 3000+ Upwork hours and hands-on experience across medical, sports, industrial, and architectural projects, I bring proven expertise in image, audio, and video annotation at scale. I help businesses train and improve AI models with precise, high-quality data annotation in English and Arabic. With over 3000 verified Upwork hours since 2021, I specialize in delivering accurate labeling that supports AI development and research. I have labeled more than 300,000 images, 200 hours of audio, and 300 hours of video, contributing to projects in medical, sports, architectural, and industrial fields. My skills include object detection, object tracking, image segmentation, video tagging, speech labeling, and text annotation. Alongside annotation, I also bring experience in quality assurance and project management, ensuring accuracy and consistency across large-scale datasets. For the past two years, I have also been working part-time with an advanced AI company, where my contributions helped models consistently achieve over 95% accuracy. With strong communication skills, adaptability to different workflows, and a reliable setup, I am fully equipped to deliver high-quality results on time. If you’re looking for a specialist who can add measurable value to your AI projects, let’s connect.