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Saurabh K.

Noida, India

$15/hr
5.0
72 jobs

Availability: Full-time freelancer, ๐Ÿฐ๐Ÿฌ+ hours/week, open to long-term collaborations. Iโ€™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 โ†’ backend โ†’ frontend โ†’ cloud deployment, with a focus on clean code, maintainable systems, and high performance. Over the past few years, Iโ€™ve delivered solutions that integrate AI/LLM pipelines, vector search, real-time chat, and voice agents for enterprise and startup clients. ๐Ÿค– 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. ๐Ÿ› ๏ธ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ ๐—ง๐—ผ๐—ผ๐—น๐˜€ & ๐—™๐—ฟ๐—ฎ๐—บ๐—ฒ๐˜„๐—ผ๐—ฟ๐—ธ๐˜€ โžœ LLM Tools: LangChain, Langsmith, Langfuse , Hugging Face, Transformers. โžœ Vector Databases: Chroma, FAISS, Pinecone, Qdrant , Opensearch โžœ AI Workflows: Flowise AI, LangFlow, StackAI. ๐Ÿ› ๏ธ ๐—™๐˜‚๐—น๐—น ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ ๐—˜๐˜…๐—ฝ๐—ฒ๐—ฟ๐˜๐—ถ๐˜€๐—ฒ โžœ Languages & Frameworks: Python, Node.js, ReactJS. โžœ Database Management: MongoDB, MySQL, PostgreSQL , Supabase , FIrebase โžœ Frontend & Backend Integration: Seamlessly connecting APIs and user interfaces. ๐ŸŒŸ ๐—”๐—ฑ๐˜ƒ๐—ฎ๐—ป๐—ฐ๐—ฒ๐—ฑ ๐—ฆ๐—ธ๐—ถ๐—น๐—น๐˜€ โžœ Open-Source LLMs: Proficiency in LLAMA 3, Mistral 7B, and Mixtral 8x7B. โžœ Prompt Engineering: Expertise in techniques like Chain of Thought, Few-shot Prompting, and Self-Reflection. โžœ Fast Inference: Implementing high-speed solutions with vLLM . ๐ŸŒŸ ๐—ช๐—ต๐˜† ๐—–๐—ต๐—ผ๐—ผ๐˜€๐—ฒ ๐— ๐—ฒ? With over 10 years of experience, I deliver scalable, cutting-edge solutions tailored to your projectโ€™s needs. Whether it's advanced AI models, MCP server development, LLM optimization, or full-stack development, I ensure top-notch results every time. Letโ€™s collaborate to bring your ideas to life!

  • React
  • JavaScript
  • NodeJS Framework
  • ExpressJS
  • Next.js
  • MERN Stack
  • AI Chatbot
  • AWS Application
  • OpenAI API
Oscar F.

Nobsa, Colombia

$18/hr
5.0
2 jobs

I am a Multimedia Engineering student with a strong focus on the technical and computational side of the field โ€” the part where mathematics, physics, and code intersect to create something you can see, hear, or interact with. Multimedia Engineering is not just about making things look good. At its core, it is about understanding how signals become images, how geometry becomes 3D objects, how data becomes intelligent decisions. That is the work I am passionate about and the work I deliver. My main areas of expertise: โ€” Computer Vision & Image Processing: object detection, feature extraction, image segmentation, and real-time video analysis using Python, OpenCV, and NumPy/SciPy. I have built pipelines that process visual data reliably and efficiently. โ€” 3D Graphics & Geometry Processing: programmatic CAD with Build123d and OpenCascade, mesh processing, 3D file format handling (STL, STEP, OBJ), and real-time graphics with Unity and C#. I am comfortable working with spatial data at both the mathematical and implementation level. โ€” Signal Processing & Automation: DSP fundamentals applied to real problems โ€” filtering, frequency analysis, and signal-driven automation. I write clean, well-documented Python that is built to last and easy to maintain. โ€” AI & Machine Learning: practical ML applied to vision and multimedia tasks, not just running pre-trained models but understanding what is happening under the hood. What makes me different from a generic developer is context. I understand why a convolution works, what a mesh topology means, why a parametric CAD model is more valuable than a static one. That technical depth translates directly into better solutions and fewer back-and-forth revisions. I am early in my freelance career and selectively building a portfolio of serious, technically demanding projects. If your work involves processing, analyzing, visualizing, or automating anything in the physical or visual world โ€” I want to hear about it.

  • Python
  • Machine Learning
  • Data Processing
  • Digital Signal Processing
  • Computer Vision
  • OpenCV
  • NumPy
  • SciPy
  • 3D Computer Graphics File Format
  • Data Visualization
  • Unity
  • C#
  • API
  • Git
  • OpenGL
Mursaleen H.

Karachi, Pakistan

$35/hr
5.0
8 jobs

I build production-grade OCR and AI-powered document extraction pipelines that turn scanned PDFs, images, invoices, and unstructured documents into clean, structured, usable data accurately and at scale. Whether you have 10 documents or 100,000 I deliver automated solutions that save time, reduce manual effort, and integrate directly into your existing workflows. ๐Ÿ”ง Tools & Technologies I Use Daily: - OCR Engines: Tesseract, PaddleOCR, EasyOCR, AWS Textract, Google Cloud Vision API - Computer Vision: OpenCV, YOLO, image preprocessing (noise reduction, skew correction, deskewing) - AI & ML Pipelines: Python, FastAPI, LangChain, custom NLP models for post-OCR correction - Data Output: JSON, CSV, Excel, structured databases (PostgreSQL, MongoDB) - Automation: end-to-end document pipelines, API integrations, cloud deployments (AWS, GCP) ๐Ÿ“„ What I Extract From: โ†’ Invoices โ†’ Bank statements โ†’ Legal contracts โ†’ Medical forms โ†’ ID cards โ†’ Handwritten documents โ†’ Logistics labels โ†’ Financial reports โ†’ Scanned books ๐Ÿญ Industries I've Served: โ†’ Fintech โ†’ Healthcare โ†’ Legal โ†’ Logistics โ†’ E-commerce โ†’ Insurance ๐Ÿ“Š Results I Deliver: โœ” 98%+ OCR accuracy on complex, low-quality scans โœ” Automated pipelines processing 5,000+ documents weekly โœ” Reduced manual data entry time by 80โ€“90% for clients โœ” End-to-end solutions from raw image โ†’ structured database I don't just extract text I build intelligent systems that understand your documents. If you have a document challenge, send me a sample file and I'll tell you exactly how I'd solve it before you even hire me.

  • Tesseract OCR
  • Data Extraction
  • Computer Vision
  • Python
  • OpenCV
  • AI Development
  • Google Cloud Vision API
  • Document AI
  • PDF Conversion
  • Document Automation
  • Machine Learning
  • Large Language Model
  • Retrieval Augmented Generation
  • AI Agent Development
  • Amazon Bedrock
  • Vertex AI
  • LangChain
  • FastAPI
  • Prompt Engineering
  • OCR Software
Himanshu S.

Jaipur, India

$30/hr
4.9
110 jobs

With over 13+ years of web development experience, I'm a full-stack developer with a passion for building innovative solutions. I've worn many hats throughout my career, from crafting user-friendly front-ends to architecting complex back-end systems and managing enterprise infrastructure. I've had the opportunity to work on large-scale projects for Fortune 500 companies across various industries, including automotive giants, global oil producers, and leading healthcare providers. DEVELOPMENT: - PHP, Laravel - MySQL, PostgreSQL, MongoDB - Stripe API, OpenAI API, Microsoft Graph API LMS: - Moodle Setup & Plugin Development - IOMAD Setup & Customization (Multi-tenancy) - SCORM/xAPI, H5P Course Development - Moodle Integrations: SSO, HRM, Azure/EntraID Directory (AD), Teams DevOps: - AWS: Deploying auto-scaleable applications - Google Cloud Platform (GCP), Azure, DigitalOcean - Database Design, Migration & Optimization

  • Python
  • FastAPI
  • Laravel
  • MySQL
  • Supabase
  • PostgreSQL
  • Moodle
  • Database Architecture
  • AI Model Integration
  • OpenAI API
  • Vertex AI
  • AWS Development
Sachin M.

Maharagama, Sri Lanka

$25/hr
4.0
3 jobs

Associate Technical Lead with 5+ years building production-grade backend systems, AI pipelines, and cloud infrastructure. Currently leading Python/FastAPI and AWS engineering at OKRA.ai via Gapstars. Previously Senior Software Engineer at WSO2, specializing in Identity and Access Management at enterprise scale. What I bring to your project: - Python, Java, FastAPI, Spring Framework, OSGI Framework, Celery, AWS, Kubernetes โ€” production backend engineering - RAG systems, LLM integrations, OpenAI, FAISS โ€” shipped AI products - OAuth 2.0, OIDC, SAML, multi-tenant CIAM โ€” enterprise security expertise - React, Angular, TypeScript, REST APIs โ€” full-stack delivery Recipient of the Kim Cameron Award 2025, a globally recognized IAM industry award. Presented at the Internet Identity Workshop at the Computer History Museum, Silicon Valley. IEEE-published researcher with 4 publications as lead author. MSc Advanced Software Engineering (Distinction) from University of Westminster and MBA from University of West London. I work best on backend-heavy, AI-driven, or security-critical projects where domain expertise matters. Available for part-time remote engagements.

  • Python
  • Java
  • Angular
  • FastAPI
  • Celery
  • Amazon Web Services
  • REST API
  • OAuth
  • Docker
  • React
  • Kubernetes
  • PostgreSQL
  • LLM Prompt Engineering
  • Artificial Intelligence
  • Retrieval Augmented Generation
Atharva P.

Gandhinagar, India

$15/hr
4.1
8 jobs

Experienced in building scalable real-time video intelligence systems โ€” from traffic analytics to sports performance tracking, OCR, Speech Processing, and LLMs. With 5 years of expertise in real-time video analytics, document automation, and AI-driven insights, I leverage top technologies like Pytorch, TensorFlow, Deepstream, OpenCV, DeepSpeech, and Hugging Face to deliver scalable, intelligent systems. Letโ€™s transform your vision into reality! ๐Ÿš€ ๐Ÿ”ง Tech Stack : ๐Ÿ’ป Computer Vision and Video Analytics ๐Ÿ”น OpenCV ๐Ÿ”น TensorFlow ๐Ÿ”น PyTorch ๐Ÿ”น YOLO (You Only Look Once) ๐Ÿ”น MMPose (Pose Estimation) ๐Ÿ”น GStreamer (Video Processing) ๐Ÿ“„ OCR and Document Processing ๐Ÿ”น Tesseract OCR ๐Ÿ”น EasyOCR ๐Ÿ”น Pytesseract ๐Ÿ”น Google Cloud Vision API ๐Ÿ”น AWS Textract ๐Ÿค– RAG and LLMs (Large Language Models) ๐Ÿ”น OpenAI GPT-3/4 ๐Ÿ”น Hugging Face Transformers ๐Ÿ”น LangChain ๐Ÿ”น Pinecone (Vector Database) ๐Ÿ”น LLamaIndex ๐Ÿ”น Ray (Distributed Computing for LLMs) ๐ŸŽค Speech Processing and Speech-to-Text ๐Ÿ”น Google Speech-to-Text ๐Ÿ”น Amazon Transcribe ๐Ÿ”น Microsoft Azure Speech Service ๐Ÿ”น DeepSpeech (Mozilla) ๐Ÿ”น Coqui ๐Ÿ”น Whisper (OpenAI) โš™๏ธ Deep Learning & Hardware Acceleration ๐Ÿ”น CUDA (GPU Acceleration) ๐Ÿ”น TensorRT ๐Ÿ”น NVIDIA DeepStream SDK ๐Ÿ”น OpenVINO ๐Ÿ”น Jetson Nano (Edge Computing) ๐Ÿ”น EdgeTPU ๐ŸŒ Cloud, Deployment, and DevOps ๐Ÿ”น Docker ๐Ÿ”น Kubernetes ๐Ÿ”น AWS S3 ๐Ÿ”น GCP AI Platform ๐Ÿ”น Jenkins ๐Ÿ› ๏ธ Previous Projects : 1. AI-Powered Smart City Traffic Management System ๐Ÿšฆ๐Ÿš˜ 2. Smart Factory Monitoring and Safety System ๐Ÿญ๐Ÿšง 3. Voice-Activated Medical Transcription System ๐Ÿฉบ๐Ÿ“ 4. Multimodal Document Understanding and Automation ๐Ÿ“„๐Ÿค– 5. Personalized Virtual Assistant for Customer Support ๐ŸŽ™๏ธ๐Ÿ’ฌ 6. Real-Time Sports Analytics and Player Performance Tracker โšฝ๐Ÿ“Š 7. Smart Home Surveillance and Intruder Detection ๐Ÿก๐ŸŽฅ 8. AI-Powered Healthcare Data Extraction and Analysis ๐Ÿฅ๐Ÿ“ˆ 9. AI-Driven Financial Document Automation ๐Ÿ’ผ๐Ÿ“‘ 10. Real-Time Video Surveillance for Compliance in Factories ๐ŸŽฅ๐Ÿญ ๐Ÿš€ Letโ€™s Build the Future Together! With my extensive experience in deploying AI-driven solutions across multiple domains, I'm ready to take your projects to the next level. From Computer Vision to LLMs and OCR, I bring a passion for innovative technology and a track record of delivering high-impact solutions. Letโ€™s transform your ideas into reality and drive success together!

  • Artificial Intelligence
  • Machine Learning
  • Machine Learning Model
  • Computer Vision
  • Computer Vision Software
  • LLM Prompt
  • Natural Language Processing
  • Software Development
  • Software Debugging
  • Embedded System
  • Robotics
  • Edge Computing
  • PyTorch
  • Python
  • C++

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