As a forward-thinking Senior Engineer and Team Leader with over two decades of experience, I work as a full stack developer specializing in Video Streaming and real-time communication solutions based on WebRTC. I combine strong architecture thinking with hands-on delivery, acting both as a technical leader and a practical full stack web developer who understands real product needs and builds scalable WebRTC-powered systems. Today, my focus as a full stack developer includes the strategic application of advanced AI technologies alongside WebRTC-based real-time communication platforms. I actively work with OpenAI APIs, Whisper for speech recognition, LLaMA2 for open-source large language models, and LangChain for building AI-driven workflows. This positions me as a full stack developer AI who can integrate intelligence directly into real-world WebRTC video and streaming products. Throughout my career as a full stack developer, I’ve contributed to Telemedicine, Online Education, and Real-time Entertainment by building WebRTC-powered communication platforms. I’ve led teams delivering webinar platforms, live chat systems, and complex real-time applications, acting both as a senior web developer and system architect who ensures scalability, security, and long-term maintainability for WebRTC infrastructures. In AI-focused projects, I operate as a full stack developer who bridges data, logic, and user experience inside WebRTC-enabled applications. My team and I integrate conversational AI, speech-to-text, and knowledge-driven systems using OpenAI, Whisper, and LLaMA2. With LangChain, we design intelligent pipelines that automate workflows and data processing, enhancing WebRTC communication platforms with AI-driven capabilities. WebRTC remains a core part of my work as a full stack developer, especially for building high-performance real-time systems. We design everything from low-latency WebRTC infrastructure to complete applications, delivering solutions that work seamlessly across web and mobile. This includes building scalable video streaming app architectures capable of handling thousands of concurrent users through WebRTC. As a full stack developer, I also provide consulting and development services across North America and Europe, helping companies design and build WebRTC-based video communication platforms. I work with companies in Entertainment, E-Learning, Healthcare, and Finance. Depending on project needs, I act as a React developer, Wordpress developer, or mobile app developer while implementing scalable WebRTC solutions. Our services as a full stack developer team include system architecture, UI/UX design, and custom development of WebRTC streaming and real-time communication platforms. We build modern interfaces, robust back-ends, and real-time systems, including secure WebRTC video stream delivery for live and on-demand use cases. We have worked with most of the major Webinar and Online Education platforms on the market, delivering solutions as a full stack developer team that understands both the business and technical sides of WebRTC video streaming products. We frequently modernize existing platforms and migrate legacy systems to scalable cloud-based architectures built around WebRTC technologies. As a full stack developer, I’ve led the creation of webinar systems, live chat apps, WebRTC video conferencing platforms, real-time video auctions, messengers, e-learning platforms, telemedicine solutions, dating apps, Twitch-like platforms, TikTok-style apps, VoD systems, and live shopping platforms. Many of these solutions rely on modern stacks including full stack developer React and full stack Lavarel approaches integrated with WebRTC. Beyond development, I support clients as a full stack developer with load testing and performance optimization for large-scale WebRTC streaming systems. My background across front-end, back-end, databases, and cloud platforms allows me to lead projects end-to-end and deliver reliable, production-ready WebRTC platforms. I invite you to collaborate with me as a full stack developer who understands AI, WebRTC, and scalable real-time product development. Together, we can build innovative WebRTC-powered solutions that align with your business goals and grow with your users.

I help founders and product teams ship SaaS and AI-powered web apps without expensive rework later. I’m Latika Singh, a senior full-stack engineer with 18+ years of experience building and scaling web products. Core stack: React and TypeScript Python APIs and backend systems AWS cloud infrastructure PostgreSQL and MongoDB Docker, Kubernetes, and CI/CD I focus on shipping usable products quickly while keeping systems stable enough to scale. What I Build SaaS MVPs from wireframe to launch AI assistants and chat workflows inside products RAG pipelines over private docs or databases Workflow automation and content classification systems Python REST APIs with auth, monitoring, and rate limits AWS infrastructure and deployment pipelines Legacy codebase stabilization with tests and refactors AI Delivery I build production-ready AI features using OpenAI and LangChain. My work includes: Evaluation pipelines against test prompts Token usage and cost monitoring Content filtering and rate limiting Retrieval pipelines with latency targets Structured prompts and response validation Recent work includes AI assistants embedded into SaaS products, RAG search over private data, and systems designed for higher traffic growth. How I Work Clear scope and success criteria Milestone-based delivery with weekly demos Incremental releases for early user testing Clean Git history and maintainable code Final walkthrough and handover documentation Available for projects or retainers with flexible IST overlap for US and EU teams.

🏆Top Rated Freelancer. ✅ React / Next.js ⚛️. ✅ Flask. ⚗️ ✅ Django 🐍 . ✅ Amazon Web Services. ✅ Docker. 🐳 👨‍💻 I have 5+ years of experience and I specialize in creating web applications with solid codebases, on top of cost-effective and reliable server (and serverless) architectures, if you need a Frontend or Backend developer who delivers the best results 🔝 and turn your business ideas into reality, send me an invitation and I can start working on your project today 📅. I will help you and I guarantee that you will: ★ STOP STRUGGLING, creating web applications, scripts, server architecture can (and will) be frustrating, leave that to me ★ GET RESULTS, I deliver the best results to solve the needs of your business, don't believe it? check my reviews and look what other clients say about how their goals were reached successfully! ★ HAVE EFFECTIVE COMMUNICATION, tired of poor communication with developers? me too, it's the key to the success of a software project and I grant you 100% that it will be great when we are working together. I have worked in large web applications such as ERP's, SaaS, commercial websites, fintech AI applications, chatGPT / Deepseek integrations and many others for solutions for any kind of business 💼, and I will deliver the best results for yours. Some of my most relevant skills are: 🟢Javascript and Typescript 🟢 Python Flask and Django REST Framework 🟢 HTML and CSS 🟢 GraphQL 🟢 API Integration 🟢 Chat GPT / Deepseek API 🟢 Matlab 🟢 Bug Fixes 🟢 Responsive Design 🟢 Web Scraping 🟢 Git and Github 🟢 DevOps with Github Actions 🟢 Tailwind CSS 🟢 Bootstrap 🟢 Docker 🟢 SQL, MySQL, PostgreSQL Database Integration 🟢 MongoDB 🟢 Node.js 🟢 React.js and Next.js 🟢 Redux Toolkit 🟢 AWS EC2, S3, EKS, ECS, Lambda, API Gateway Feel free to send an invitation, schedule a meeting, and start working on the solution your business requires ASAP!📅

Senior Full Stack Developer with 6 years of experience across React, Next.js, Node.js, Python and React Native. I build production-ready web and mobile applications fast and without cutting corners. I develop with AI tools at a senior level. Claude Code, Cursor and Copilot are part of my daily workflow not just for writing code but for architecture decisions, code review and prompt engineering that produces clean scalable output. Clients get real speed with none of the technical debt. 🏆 Why Clients Hire Me • Delivered 15 plus projects with 90+ percent Job Success Score and 5 star feedback across every engagement. • Built and shipped full stack MVPs for startups from zero to live product in under 6 weeks. • Integrated LLM and AI features into production SaaS platforms used by real paying users. • Fixed critical bugs and added features to existing codebases without breaking what already worked • Automated business workflows that saved clients hours of manual work every week If you need a developer who can jump into an existing codebase, ship a new feature or build from scratch at 10x speed, send me a message and I will reply within a few hours.

🏅Expert-Vetted | 9+ years of experience | 🕛 Full Time Availability | ✅ Verifiable projects | ❇️ 17,000+ Hours 🏆 Winner of 2 Presidential Awards in the country of operations 🏆 Member of Chamber of Commerce in the country of operations 🏆 Work Recognition on TV shows and Blogs 🏆 Regularly conducts IT Bootcamps in the country of operations  Streamlining Business Operations Through Data Empowerment! 9+ years of experience | Automation Specialist | Data Driven Operations | Full Stack Web Development | Data Science | Data Management | AI/ML Implementations | Deep Learning Solutions | Process Optimization | Business Performance Enhancement 👉 Big Data: I help business owners and their teams unlock the true value of their historic data, aligning sales and marketing teams, as well as product teams with the demand and supply dynamics of both the market, and the company's product/service offerings. Big Data Tools Integration (e.g., Apache Hadoop, Apache Spark) ETL Processes Implementation (Extract, Transform, Load) Data Retention Policies Distributed Computing Hadoop Cluster Management Stream Processing Systems (e.g., Apache Kafka) NoSQL Databases (e.g., MongoDB, DynamoDB) ML Toolkits (e.g., TensorFlow) Lambda Architecture 👉 Data Science: I help build business owners and their teams robust predictive analytics systems to better align their budgeted with the actual figures at year end, thereby reducing the delta and increasing the likelihood of shareholder alignment, improving the company's going-concern assumption for the stakeholders, and thereby improving the share value in the long run. Selecting features, building and optimising classifiers using ML techniques. Data mining Data collection (Apache Kafka, Logstash) Third-Party Data Integration (e.g., APIs, Selenium, Postman) Data Integrity Verification Anomaly Detection Systems Query Language Proficiency (e.g., SQL, MySQL, MongoDB, BigQuery, PostgreSQL) Scripting Skills (e.g., Python) Statistical Analysis Effective Communication Skills 👉 Full Stack Technology: Frontend: HTML, CSS, JavaScript (ES6, ES7, Typescript), JavaScript frameworks (e.g., React, Next.js, Angular), GraphQL clients (e.g., Apollo), CSS preprocessors (e.g., SASS, LESS), JavaScript charting libraries (e.g., D3, Highcharts, Recharts), State management (e.g., Redux, Redux Saga, React Toolkit), RESTful APIs Backend: Node.js, Nest.js, Express, Python, Cloud Computing Platforms (AWS, Google Cloud, IBM Cloud) Testing frameworks (e.g., Jest, Mocha) CI/CD tools (e.g., GitHub Actions, Jenkins, AWS CodePipeline) Version control tools (e.g., Git) MERN Stack (React.js, Node.js, MongoDB, Express.js) CMS (WordPress, WooCommerce) Deployment: Docker, Heroku, AWS, Azure UI/UX Material Design, Figma, Miro, HTML5, CSS, JavaScript, XML AI and Machine Learning (AI Assistants and Chatbots, ML Models, Predictive Analytics, Sentiment Analysis, NLP, Audio/Video/Speech to Text) LLMs: GPT-4o, ChatGPT, Claude, Mistral, Perplexity. Frameworks: LangChain, RAG, Crew AI, Vercel AI SDK. Vector databases: Qdrant, Pinecone, Milvus. APIs: Open AI, Azure AI Search, Eleven Labs, Whisper/DeepGram Data Visualisation (Power BI, Tableau) Driven by a passion for innovation and backed by a strong foundation in cutting-edge technologies, I'm committed to propelling your business towards unparalleled success. Let's harness the power of tech to revolutionize your operations! 💡

👋 Hello and welcome to my profile! As an experienced Full Stack Developer, I’m ready to leverage my skills to help take your business to the next level. My hands-on, personalized approach ensures that each project is handled with great care from initial concept through to final delivery. By following industry best practices, I successfully identify business challenges and provide tailored solutions using a wide range of cutting-edge technologies: 🔧 Skills and Expertise: - Web Application Development (HTML, CSS, JavaScript, React.js, Next.js, TypeScript) - Styling (Tailwind CSS, ShadCn) - Backend (Python, Django, Flask, Node.js, VPS) - Cloud Services (AWS, Cloudflare, Digital Ocean) - Databases (PostgreSQL, Supabase, Neon) My goal is to bring simplicity to complexity. With my extensive experience and hands-on approach, I ensure every project is carefully crafted to deliver outstanding results that exceed expectations. Choose me as your development partner, and I’ll work relentlessly to help your business reach new heights. 🚀

My experience spans Full-Stack development, Solution Architect & Generative AI applications development. From integrating AI APIs to creating custom workflows, AI Chat Bot, real-time AI apps, multi-agents, and Auto AI suggestions. 𝗠𝘆 𝗖𝗢𝗥𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 Web Development - Responsive Web Applications and SAAS Products (complete lifecycle). - Frontend Development: Next.js, React.js, TypeScript, Angular.JS, Vue.js. - MEAN & MERN Stack for full-stack solutions - Python, AI, ML - CMS:- Shopify, WordPress, and Magento Custom API Development & Integration - Expertise in OpenAI, Whisper, GPT-3, and chatbot platforms like WhatsApp and Telegram Bot. - Building and integrating APIs for communication. AI & Machine Learning - Generative AI: Stable Diffusion, Control Net, MidJourney, Hugging Face Bloom, etc. - Machine Learning & Deep Learning: Solutions for predictive analytics and AI-powered automation. Web Scraping & Automation - Tools: BeautifulSoup, Scrapy, Selenium, Pandas, asyncio, aiohttp. - Workflow automation for repetitive tasks. Browser Extensions - Development for Chrome, Firefox, Safari, and Edge. - Custom solutions to enhance browser functionality. Computer Vision - Image/Object Recognition, Facial Recognition, Text Recognition. - Tools: OpenCV, Tesseract OCR, Paddle OCR. LLM Optimisation - Crafting effective prompts to optimize AI model performance. Deployment & Hosting - Deployment on servers and cloud platforms for scalable applications. 𝗠𝗬 𝗦𝗞𝗜𝗟𝗟𝗦 & 𝗧𝗘𝗖𝗛: - Frontend Development: React.js, Redux, Next.js, Vue.js, AngularJS - Backend Development: Node.js, Express.js, GraphQL, Python, PHP - Web Development: HTML5, CSS3, jQuery, TailwindCSS AJAX, REST APIs - Python Development: Django, Flask, Web scraping - CMS: WordPress, Magento, Shopify - Media Processing: OpenCV, TensorFlow.js, FaceAPI.js, OCR - Databases: MySQL, PostgreSQL, MS SQL Server, MongoDB, Firebase, Supabase - Cloud & Hosting: AWS, Google Cloud, Microsoft Azure - AI Tools: OpenAI 𝗪𝗛𝗬 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘? - Top-Rated Plus Engineer - Proven Results: 8K+ hours delivered with 100% job success - Certified Expertise: Top Python and Django Web Development Bundle! - Flexible & Committed: Available 40+ hours/week across time zones (EST, PST, MST, CST) for smooth collaboration. - Long-Term Contract Focus on Upwork -- Let’s Build Something Exceptional Ready to bring your project to life with a dependable, results-driven expert? Let’s connect to discuss your vision and how I can help you achieve it. Thanks & Regards, Praveen K. 𝗕𝘂𝘇𝘇𝘄𝗼𝗿𝗱𝘀: #FullStack #MERN #MEAN #React.js #Vue.js #Angular #Node.js #Express.js #Next.js #Nuxt.js #RESTfulAPIs #API #GraphQL #MongoDB #MySQL #PostgreSQL #Firebase #Docker #Kubernetes #AWS #Azure #GCP #CI/CD #AgileMethodologies #TDD #BDD #DevOps #Microservices #ResponsiveDesign #UIUX #WebApplications #Web #ProgressiveWebApps #SinglePageApplications #ServerlessArchitecture #CloudComputing #VersionControl #Git #FrontendDevelopment #BackendDevelopment #APIIntegration #SecurityBestPractices #PerformanceOptimization #Scalability #CrossPlatformDevelopment #MobileAppBackend #HTML #CSS #JavaScript #TypeScript #SASS #LESS #Bootstrap #TailwindCSS #Webpack #Babel #SEOOptimization #UserAuthentication #Authorization #WebSockets #RealTimeApplications #TestAutomation #Unit Testing #IntegrationTesting #CodeReview #ContinuousIntegration #ContinuousDeployment #TechnicalDocumentation #SoftwareArchitecture #SystemDesign #ProjectManagement #CollaborationTools #Jira #Trello #Asana #Slack #Python #Django #Flask #Ruby #PHP #Laravel #Symfony #Java #SpringBoot #Go #Golang #Rust #Elixir #Scala #Perl #Haskell #R #MATLAB #Julia #TensorFlow #PyTorch #OpenCV #Xamarin #Apache #Nginx #Redis #Elasticsearch #RabbitMQ #Kafka #Jenkins #CircleCI #TravisCI

🏆 Top Rated in under 6 months with 100% job success. I build AI and automation into real products and ship them live. Scrapers pulling 60k+ records with zero bans, syncs that run for months, AI pipelines in production, not demos. 🤖 AI in real products: an identity-governance platform on FastAPI that pulls from JumpCloud and Microsoft Entra, normalizes both into one schema and runs automated diffs so drift shows up on its own. An AI research pipeline that scores companies through OpenAI with rate-limiting and retries. A RAG fact-checker that transcribes a video, pulls out the claims and verifies each against live sources. ⚙️ Automation and data: Python and Postgres pipelines that ingest messy sources, parse, normalize, dedupe and reload without ever double-loading. One options-and-equities pipeline handles about 196k rows a run across multi-GB inputs. n8n and API integrations with webhooks, two-way sync, and the rate-limiting that keeps a sync stable. Scrapers that run for months on heavily protected sites, 144k records on one job, 1.19M rows filtered to 173k clean leads on another. 🚀 And I build the product around it when you need one: a booking platform for a host with 11 Outer Banks properties (Stripe checkout, live Airbnb sync, one admin calendar), a course SaaS with Stripe and a student portal, a YouTube analytics SaaS with Google OAuth and billing. All live. 🔁 Clients come back. OBX Sharp Stays across 4 contracts, an identity-governance client across 4, Anthony Adams across 3. The work still runs after I hand it over. 🧰 Stack: Python, TypeScript, Next.js, React, Node, FastAPI, PostgreSQL, OpenAI, LangChain, n8n, Playwright, Docker, and most major REST APIs. ✅ How I work: I hit deadlines, send updates before you ask, overlap your hours, and flag risks early instead of at the end. Plain English, and I own the outcome. 💬 Tell me what you want automated or which two systems need to talk, and I'll tell you straight how I'd do it and where the risks are.

I build production-ready Flutter apps, WordPress/PHP systems, and Python-backed web platforms for clients who need reliable software, not just code that works once. I can help you build a new product, fix an existing app or website, improve performance, connect APIs, clean up bugs, or prepare your web/mobile system for real users. My strength is the combination of full-stack development and deep QA/debugging experience. I do not only implement features. I also test user flows, edge cases, layout issues, API behavior, database logic, and production risks before delivery. What I can help with: • Flutter mobile app development for Android and iOS • WordPress customization, plugin development, and bug fixing • PHP backend development and API integration • Python/Django backend development • REST API design and third-party integrations • Admin dashboards, SaaS-style systems, and database design • Google Play / App Store publishing support • Web app testing, bug reports, and production debugging Why clients work with me: • 100% Job Success on Upwork • 5-star client feedback • 12+ completed Upwork jobs • Experience with apps reaching 250,000+ downloads • Experience building systems for 100,000+ active users • Master’s degree in Software Engineering • Clear communication, clean code, and dependable delivery I am comfortable working on both new builds and existing systems. Whether you need a Flutter app built from scratch, a WordPress/PHP issue fixed, a Python backend improved, or a complete web/mobile product delivered, I can review your requirements and suggest a clear next step.

I build production-ready AI Agents, AI Automation, and Full-Stack AI SaaS products using Python, Claude, and OpenAI. With 9+ years of full-stack engineering experience, I take AI ideas from MVP to a scalable product. I design the agent logic, backend APIs, integrations, dashboards, and deployment, so you do not need separate AI and full-stack developers. Need an AI Agent, Voice AI Agent, RAG chatbot, multi-agent workflow, or Multi-Tenant SaaS platform? I architect it, build it, and hand it over tested, documented, and ready for production. --- WHAT I BUILD --- - AI Agents and AI Automation for support, sales, operations, lead qualification, data extraction, and internal workflows - Custom Chatbot and RAG-based AI bots for grounded answers over documents, websites, and business knowledge - Voice AI Agents, Voice-to-Voice systems, and Sales AI Receptionists for inbound calls, qualification, booking, follow-up, and WhatsApp Bot Integration - Multi-Tenant SaaS platforms with authentication, roles, dashboards, billing, APIs, and workflow automation - Agent orchestration and Multi-Agent Systems with LangGraph, LangChain, CrewAI, AutoGen, MCP, tool calling, structured outputs, and human-in-the-loop controls - LLM integrations with Claude, OpenAI API, Claude Code, Prompt Engineering, model routing, embeddings, vector databases, pgvector, and evaluation-aware workflows - Full-stack delivery with Python/FastAPI, Node.js, React, Next.js, TypeScript, Tailwind CSS, PostgreSQL, Supabase, Docker, GitHub, AWS, Vercel, Stripe, Twilio, and n8n - API Development, API Integration, Backend Refactoring, Audio Processing, and scalable REST API architecture for production systems --- PROJECT EXPERIENCE --- - AI Workforce SaaS: multi-organization scheduling, HR, CRM, payroll, billing, RAG knowledge base, AI communications, and predictive operational alerts - Voice AI SaaS: multi-tenant voice agents with LangChain, LangGraph, RAG, knowledge bases, CRM integrations, analytics, and a Claude-based copilot - Operations Automation: real-time task allocation, workflow automation, optimization services, GraphQL APIs, and dashboards - Healthcare, donor-management, and booking SaaS platforms built with Python, FastAPI, PostgreSQL, React, and secure multi-tenant architecture --- INDUSTRIES I HAVE DELIVERED FOR --- - SaaS Startups • Healthcare • Real Estate • Finance • Car Dealerships • Restaurants • E-commerce --- HOW I WORK --- As a Python Developer and FastAPI Developer with 8+ years of experience, I build Agentic AI systems, agent pipelines, and API workflow automation including Function Calling, Structured Outputs, Model Routing, and Embeddings. As a Senior Full-Stack Engineer with 9+ years of experience, I build scalable web applications using React, TypeScript, Node.js, NestJS, and Next.js with clean REST API architecture and production-ready deployment on Vercel and AWS. As a Senior Full Stack Engineer, I deliver clean architecture and full team handoff documentation. --- WHAT YOU GET --- - Clear architecture before build - Production-ready backend, frontend, APIs, and integrations - Secure authentication, role-based access, and maintainable data design - Clean documentation, practical cost controls, and reliable handoff - An MVP that can grow into a stable SaaS product --- WHY CLIENTS CHOOSE ME --- - 9+ years as a Full Stack and Python Developer across AI systems, SaaS platforms, and backend APIs - Senior Full Stack Engineer and FastAPI Developer for architecture, AI backends, and execution - Deep knowledge of Function Calling, Structured Outputs, Model Routing, and Embeddings - 9+ years across React, TypeScript, Node.js, and Python, both stacks, one developer - No black boxes, no guesswork, always documented - Delivered across 7+ industries: SaaS Startups, Healthcare, Real Estate, Finance, Car Dealerships, Restaurants, E-commerce --- WHOM I WORK BEST WITH --- Founders and product teams building AI products, AI automation, agentic workflows, RAG systems, Voice AI, or AI-enabled SaaS. I am a strong fit when you need one engineer to connect AI logic, product UI, backend services, data, and deployment. If you are building an AI Agent, AI Automation system, Voice AI Agent, RAG product, or AI SaaS platform, send me your project details.