✳️Top 1% Expert-Vetted | 140+ Completed Projects with 100% Success Rate | Clear and Pragmatic Communication I'm a Full Stack Developer and Back End Developer specializing in EdTech & SaaS Development, RAG systems, and production-ready web applications. 🟢I help founders build revenue-ready software in 2–3 months. My team provides full-cycle product delivery, including design, testing, and deployment. We hold a 100% success score across 18,000+ hours and 140+ projects. I'm a Full Stack Developer and AI Developer specializing in EdTech SaaS, RAG systems, and production-ready LLM-powered applications. As a SaaS Developer, Web Developer, WordPress Developer, and Backend Developer, I focus on platforms built for long-term growth - not throwaway prototypes - with LLM-driven features that are reliable, observable, and cost-controlled. What I Built as a Full Stack Developer, SaaS Developer and AI Developer 💡 EdTech SaaS — Adaptive SAT/ACT prep platform built with Stanford PhDs, featuring personalized learning paths and real-time student analytics. (Full Stack Developer | EdTech Developer) 💡 Enterprise RAG — SharePoint/Dynamics 365 RAG system indexing 300k+ docs for automated SOW drafting and research. (AI Developer | RAG Developer) 💡 Film Industry Search — Hybrid semantic search engine over 500k+ movie/TV scripts using dense vector indexing and keyword-aware reranking. (RAG Developer | Backend Developer) 💡 Voice POS — React Native voice-controlled POS for drive-thru grocery systems with real-time inventory sync. (Full Stack Developer | Mobile Developer) 💡 HealthTech / Fitness AI Development — Fitness platform using hybrid RAG and computer vision for sub-1.2s calorie tracking and workout generation. (AI Developer | Full Stack Developer) 💡Zendesk AI Copilot: Built an Azure OpenAI RAG pipeline for Zendesk, auto-drafting agent replies grounded in historical tickets and KB docs with PII anonymization before processing. (Full Stack Developer / Back End Developer) 💡HealthTech AI Scribe / HIPAA: Whisper + GPT-4o transcription pipeline for psychiatrists, auto-generating structured session notes with patient history, MSE, and treatment plans from live audio. (Full Stack Developer / Back End Developer) Tech Stack I work with: 🔹My AI and RAG development work covers OpenAI, ChatGPT, Anthropic, Claude, Gemini, Mistral, Llama, LangChain, Hugging Face, PyTorch, and Grok xAI — delivering production-grade Generative AI and RAG systems across industries. For Voice AI, I work with ElevenLabs, Whisper (STT/TTS), VAPI, and OpenAI's real-time audio APIs. 🔹As a Full Stack Developer, my core stack is React.js, Node.js, Next.js, TypeScript, and JavaScript (ES6+), with Python, Vue.js, PHP, HTML, CSS3, and Bootstrap across projects. 🔹On the backend, I build with Node.js, Python, Golang, and Java, using Laravel, REST APIs, background jobs, and async workflows depending on what the system needs. 🔹For mobile, I develop cross-platform iOS and Android applications using React Native, Swift, and Kotlin. 🔹CMS work runs on WordPress Development. 🔹For Cloud infrastructure I use Microsoft Azure, Google Cloud Platform (GCP), SharePoint, DigitalOcean, and Microsoft 365. 🔹My database experience covers PostgreSQL, MongoDB, MySQL, ElasticSearch, Redis, and Supabase. 🔹For communication integrations, I work with Twilio, RingCentral, Zoom, WhatsApp, Telegram, Gmail, and Outlook. 🔹DevOps and delivery relies on Git and solid software architecture and design practices throughout. 🔹On compliance, I build to HIPAA, GDPR, PCI-DSS, SOC 2, FERPA, and COPPA standards — critical for HealthTech, EdTech, and enterprise SaaS platforms handling sensitive data. How I work I take on projects as a Full Stack Developer and SaaS Developer where the technical decisions actually matter - platforms that need to scale, handle real data, and stay compliant. As a Web Developer and JavaScript Developer, I'm hands-on in the codebase. As a SaaS Developer and EdTech Developer, I think beyond features and focus on architecture, user workflows, and long-term maintainability. Working together I'll dig into the strategy behind the code and highlight the pitfalls in your plan to ensure we build the right version of your product the first time. 👉Message me to discuss your project and see if we’re a fit.

Python and AI engineer with over 6 years of experience developing production systems across the full stack, from backend to frontend, incorporating LLM and automation layers that add value. I have built trading platforms with real-time data feeds, RAG pipelines based on internal documents, workflow automation replacing manual tasks, and full-stack applications drawn from scratch and deployed to production. TOP RATED - 100% JOB SUCCESS - 100+ PROJECTS DELIVERED WHAT I BUILD AI systems that work in production rather than in demos: RAG pipelines that retrieve accurately from your own data, AI agents automating real business processes, and LLM integrations built to reduce cost rather than inflate it. Alongside the AI layer: full-stack applications with Python backends and React or Next.js frontends, REST APIs in Django or FastAPI, real-time features via WebSockets, cloud deployments on AWS, Azure, or GCP, CI/CD pipelines, and complex third-party integrations. THE STACK - AI/LLM: GPT, Claude, Gemini, LangChain, LlamaIndex, RAG Pipelines, AI Agents, pgvector, Pinecone - Backend: Django, DRF, FastAPI, Flask, Celery, AsyncIO, WebSockets - Frontend: React, Next.js (App Router), TypeScript, Tailwind CSS, shadcn/ui - Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, Supabase, Neon - DevOps: AWS, GCP, Azure, Docker, Kubernetes, Nginx, GitHub Actions - Linux: Ubuntu, Debian, CentOS, VPS, SSL, Supervisor, Systemd RESULTS - Reduced GPT inference costs through a custom RAG architecture that eliminated redundant API calls without accuracy loss - Cut API latency significantly through async redesign with FastAPI and Redis - Processed millions of events daily at low latency on containerized infrastructure - Migrated a Django monolith to microservices without taking the system offline - Compressed release cycles from days to hours through CI/CD automation - Reduced monthly cloud spend through infrastructure rightsizing on AWS and GCP LET'S TALK If you need backend, frontend, AI integration, and cloud deployment done properly the first time, that is what I do. Send a message or an invitation. I respond within a few hours.

Senior .NET Developer & Team Lead | Architect of Scalable Solutions Across Industries | 10+ Years Delivering Impact As a passionate .NET expert and technical leader at VU Team, I transform complex business challenges into high-performance software that drives growth. My focus: architecting scalable systems and leading teams to build solutions that redefine industries—from enterprise software to intelligent process automation. Industry Impact: ✅ Resource Optimization Engineered platforms automating workflows for 30%+ operational efficiency gains. ✅AI & Intelligent Automation Designed and implemented intelligent systems that integrate generative AI (LLMs), predictive analytics, and machine learning to automate data processing, power chatbots, and deliver personalized recommendations — enabling businesses to make smarter, faster decisions. ✅ Trading & FinTech Designed low-latency trading systems handling $1B+ monthly transactions. ✅ E-Commerce Delivered high-traffic web apps (1M+ users) with conversion-optimized UX, boosting client revenue by 40%. Blockchain & Crypto Leadership Spearheading VU Team’s blockchain division, I architect: Consistently running trading bots designed for long-term reliability Cross-Chain Wallets supporting 50+ cryptocurrencies. DeFi Platforms for tokenization, staking, and automated market-making. Technical Mastery Development: .NET 8, C#, ASP.NET Core, Angular 17, Microservices, Event-Driven Architecture Cloud & DevOps: Azure (AKS, Functions), AWS Lambda, CI/CD (GitHub Actions, Azure DevOps), Docker/Kubernetes Data Engineering: SQL Server, PostgreSQL, Redis, Elasticsearch Why Work With Us? 20+ Enterprise Projects delivered on time, from MVP to global rollout. Full-Cycle Ownership – design, development, cloud deployment, and post-launch support. Client-Centric Approach – 95% of clients return for repeat engagements. Let's Build the Future Together! Open to strategic partnerships, consulting roles, or ambitious projects. Whether you need a high-performing team or a technical advisor for your venture, let’s discuss how my expertise can accelerate your goals.

With my 310+ Project experience⭐️⭐️⭐️⭐️⭐️ Great Feedback with Client Satisfaction. Top Rated freelancer on Upwork. Hello, Here’s my main goal: To seek excellence in the service industry with self-discipline and top-quality skills and competencies. I am willing to learn and adapt new tasks and be trained in handling responsibilities with minimum supervision for professional enrichment. Various skills I provide to clients are: Ready to collaborate? I'm just a message away from you to discuss your project. Skills : ✅ Email & Phone numberscrapping from all social media, and websites. ✅ Data Scrapping from all social media, and websites. ✅Posts / Comments / Followers / Following / Likers scrapping. ✅ Organic growth hacker ✅ email send ✅web form send ✅ DMs your target audience ✅ Ferching Email and Number Media buying services: ✅Facebook & Instagram Ads ✅LinkedIn Ads ✅Research services: ✅ Email collection, Data collection ✅ Email marketing ✅ Data research ✅Industry analysis & web research ✅Data Entry, Data Scraping ✅LinkedIn Research ✅Lead generation SMM services: ----- Social media bundle promotion. ✅ Professional content writing & attractive image creation ✅ Facebook Promotion and Adverts ✅ Pinterest marketing, Optimization, and Tailwind Scheduler ✅ Instagram management and growth ✅ Twitter management and growth ✅LinkedIn management ✅YouTube video & promotion ✅ All popular SM schedulers Why consider my services?. ✅ Responsiveness, and attention to your needs and demands. ✅ Creativity, understanding, and communication. ✅ Multiple format files in handover. ✅ Fast Delivery and provide everything sooner than the deadline. ✅ Available for any change in your design. Whatever the job is, big or small, I do it with 100% dedication and perfection because a happy client today is a returning client for tomorrow. Thank you.

I’m a certified Software Engineer with over 3+ years of professional experience in automation, scripting, and full-stack development. I specialize in building smart solutions that save time and reduce manual effort from web scraping bots to end-to-end automated systems. I'm also a Python Certified Developer, with expertise in building robust automation tools using libraries like Selenium, BeautifulSoup, Scrapy, and Pandas. I’ve helped businesses extract, process, and manage large-scale data from dynamic websites and applications. In addition to backend automation, I also develop high-quality Flutter mobile applications using Dart, designed to run seamlessly across Android and iOS platforms. I have solid experience working with REST APIs and building mobile UIs with a great user experience. ✅ Core Skills & Services I Offer: 🔍 Advanced Web Research (Google operators, meta search engines) 🧹 Web Scraping, Data Mining, Web Crawling (Python, Selenium, BeautifulSoup, Scrapy) 🔄 Process Automation (Web & Desktop automation tasks) 🧑‍💻 Custom Web Application Development (PHP, MySQL, HTML/CSS/JS) 📱 Flutter App Development (Cross-platform Android & iOS apps, Firebase integration) 📊 Lead Generation & Data Entry with 100% accuracy 🖥️ Desktop Automation (e.g., Skype login, routine workflows) 🧰 Database Operations (Stored procedures, insert/update/delete, DB design) 💼 Virtual Assistance & Task Management Automation 🛠 Technologies I Work With: Python (Selenium, BeautifulSoup, Pandas, Scrapy) Flutter & Dart Firebase & REST APIs PHP & MySQL HTML5, CSS3, Bootstrap5, JavaScript Bitrix24 CRM & Automation If you're looking for a reliable, skilled, and communicative freelancer who can build Flutter apps, create automation bots, or develop custom tools, I’m here to help. 📩 Let’s build something amazing together. #Python #Flutter #Firebase #Automation #Scraping #MobileApp #Android #iOS #PHP #WebDevelopment #Selenium #SoftwareEngineer #DataExtraction #VirtualAssistant #WebScraping #Datamining #WebAutomation #trending #viral #techworld #databases

You need a backend that scales gracefully and smart contracts that won't get exploited. That’s exactly what I deliver. I've engineered core backend infrastructure for Google Bard and built custom Web3 execution platforms that directly helped startups secure over $1M in funding. I specialize in bridging the gap between ultra-fast on-chain logic (Solana/EVM) and robust, low-latency server-side architecture. If you are building a DeFi protocol, an automated trading bot, or a high-concurrency SaaS application, you don't just need code—you need a production-ready system designed to pass rigorous security audits and handle massive transaction volumes without breaking a sweat. 🏆 Here is what I bring to your project: Battle-Tested Infrastructure: Engineered core backend components and high-scale AI infrastructure for Google. Funding-Ready Platforms: Built a custom strategy execution platform that served as the technical backbone for a $1M+ funding round. Speed & Scale: Designed a multi-chain exchange platform that increased transaction speeds by 30% and slashed latency by 15ms. 🛠️ My Core Capabilities: Smart Contracts: Advanced expertise in Rust (Solana/Anchor) and Solidity (EVM) for DeFi, yield farming, and decentralized messaging. High-Performance Backends: Designing low-latency, event-driven microservices using Go (Golang) and Rust. Full-Stack Integration: Connecting complex on-chain logic with seamless frontends via TypeScript, Node.js, and Web3.js/Ethers.js. Cloud & DevOps: AWS (ECS, Fargate), Docker, Kubernetes, and automated CI/CD pipelines. I don't just clear tickets; I architect solutions that help startups launch faster, scale efficiently, and attract major investment. Let’s talk about your architecture.

🥇 Top Rated Plus Business AI Automation Expert WhatsApp Automation | Voice AI Agents | AI SaaS Architect I help businesses automate sales, support, and operations using AI-powered WhatsApp bots, Voice AI agents, and intelligent workflows — delivering measurable ROI in weeks, not months. WHAT I DO • Business AI Automation I design end-to-end automation systems using n8n, Make, Zapier, APIs, and webhooks to streamline sales, support, and internal operations. • WhatsApp Automation (Cloud API) AI chatbots for lead qualification, customer support, follow-ups, reminders, broadcasts, and CRM integrations. • Voice AI Agents AI voice agents for inbound and outbound calls, bookings, support, and inquiries using Twilio-based voice automation with real-time AI responses. • AI Agents & LLM Systems Custom AI agents trained on your business data using RAG, prompt engineering, and tool-based agent orchestration. BUSINESS RESULTS I DELIVER • Reduced manual operational workload by up to 40% • Faster lead response and higher conversion rates • Always-on AI support without increasing headcount • Scalable, production-ready automation systems TOOLS & TECHNOLOGIES AI & LLMs OpenAI (GPT-4 / 4o), LangChain, LangGraph, Vector Databases Automation n8n, Make (Integromat), Zapier, Webhooks, API Pipelines Messaging & Voice WhatsApp Cloud API, Twilio Voice API Backend Node.js, Python, REST APIs, SaaS Architectures WHY CLIENTS WORK WITH ME • Top Rated Plus with 100% Job Success • Business-first mindset focused on ROI • Clear communication and fast delivery • Long-term automation partner, not just a developer READY TO AUTOMATE YOUR BUSINESS? Send me your workflow or problem statement, and I’ll suggest the right AI automation strategy.

🏅 Top Rated 🏅 Among top 10% freelancers on Upwork 🏅 100% Job success score 🏅 2400+ hours logged Services: ✅ ChatBots ✅ OpenAI Assistants ✅ Custom GPTs ✅ Telegram Bots ✅ Discord Bots ✅ Web Scraping ✅ Full Stack Development ✅ OpenAI ✅ ChatGPT ✅ GPT-4 ✅ OpenAI Plugins ✅ Fine Tuning Models ✅ Telegram Bots ✅ Stable Diffusion, model training and implementation Hi, I'm full stack python developer with 6+ years of experience in python for Web Development, Data Analysis, Web Scraping, API integration, Backend Logic, etc. I can write Algorithms, make Django/Flask Web-Application, Desktop Application , Mobile Application ( IOS,ANDROID ), Create automated bot scripts, OpenAI and ChatGPT based solutions with python & more. In fact, Python is my core language however I've good experience with other programming languages as well. My skill set: ✔ Python based solutions ✔ ChatGPT & OpenAI APIs ✔ Web Development (Django, Flask, Nodejs, React) ✔ Web Development (Django, Flask, Nodejs, React) ✔ Front-end (React JS) ✔ Python Scripts ✔ Web Scraping & Web Automation (Beautiful Soup, Selenium, Scrapy, Request-Html etc.) ✔ OPENAI, ChatGPT, GPT-3, GPT-4 API based solutions ✔ GUI creation (PyQt5) ✔ API Data Extraction and API Development ✔ Database programming (MySQL, SQLite) ✔ GitHub Do you need an solution in IT scope, I have your back. Invite me now on your job to get started.✔

I’m Ezenwata, a full-stack developer with 7+ years of experience, specializing in chatbots, automation, and cross-platform apps using React Native, Expo, and PHP (Laravel). I help businesses and creators turn ideas into powerful, scalable digital products. Expect clean code, smooth performance, and clear communication from start to finish. Let’s bring your project to life — message me anytime to get started!

𝗔𝗜 & 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗦𝗺𝗮𝗿𝘁, 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 I help startups, founders, and businesses turn ideas into powerful digital products — from AI-driven applications and automation systems to full-stack web platforms that scale. With strong expertise in Python, JavaScript, React, FastAPI, and modern AI technologies, I build solutions that are fast, reliable, and designed for real-world impact. 𝗪𝗵𝗮𝘁 𝗜 𝗯𝗿𝗶𝗻𝗴 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁: ❇️ AI Voice & Chatbot Development As a specialised AI developer, I build full voice pipelines: Deepgram/Whisper → GPT-4/Claude → ElevenLabs. Expert in chatbot development and conversational business logic for WhatsApp, Telegram, and Web. I work as a dedicated chatbot developer integrating systems with ManyChat, Botpress, and OpenAI API. Modern chatbot development setups to act as a 24/7 sales engine and support lead. ❇️ AI Agent Architecture & Autonomous Workflows I am an AI developer who excels in AI Agent architecture using LangGraph and CrewAI. Multi-AI Agent systems for lead generation, deal tracking, and complex CRM automation. Autonomous AI Agent workflows connected to Slack, Shopify, and enterprise backends. Every AI Agent I build is designed to scale and optimise business processes without increasing headcount. ⚙️ LLM Engineering & Advanced RAG As a senior LLM Engineer, I solve the "hallucination problem" for modern enterprises. Advanced LLM pipelines designed with a focus on Vector Databases (Pinecone, Weaviate, Milvus). Custom fine-tuning, prompt engineering, and production-ready LLM infrastructure. 🛠️ FULL-STACK TECH STACK & DATA SCIENCE As an AI Developer: Python, FastAPI, Docker, AWS, Asyncio. As a Python Developer: LangChain, LlamaIndex, LangGraph, PyTorch. As a Web Developer: Frontend frameworks, responsive platforms, and API integration. As a Data Scientist: Advanced data processing, analytics pipelines, and model evaluation. TECH STACK ───────────────────────────────────── 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: Next.js, React, TypeScript, Tailwind, Redux, React Query, Vite, Angular, Three.js, WebGL, responsive UI 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Python (FastAPI, Django, Flask), Node.js, Express, NestJS, Java (Spring Boot), Go, WebSockets, REST, GraphQL, gRPC 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL, MongoDB, Redis, Supabase, Firebase, DynamoDB, BigQuery, MySQL Cloud & DevOps: AWS (EC2, Lambda, S3, RDS, ECS), GCP, Docker, Kubernetes, GitHub Actions, Terraform, Vercel, Netlify, Nginx, VPS automation, monitoring (Sentry, Datadog) 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Stripe, PayPal, Twilio, SendGrid, Auth0, OAuth/SSO, GoHighLevel, HubSpot, Salesforce, WhatsApp Business API, webhooks 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Pytest, Jest, Playwright, Cypress 𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲: • Clean, maintainable code • Fast communication & reliable delivery • Long-term project mindset • Business-focused technical solutions • Available full-time (40–50 hrs/week) Whether you need an AI product, a custom SaaS platform, automation workflows, or a full-stack application, I’m ready to help you build it efficiently. 𝗦𝗲𝗻𝗱 𝗮𝗻 𝗶𝗻𝘃𝗶𝘁𝗲 𝗼𝗿 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 — 𝗹𝗲𝘁’𝘀 𝗯𝘂𝗶𝗹𝗱 𝘀𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗶𝗺𝗽𝗮𝗰𝘁𝗳𝘂𝗹.