I am Parminder a passionate developer who lives and breathes Microsoft technologies and related frameworks. Coding isn't just a job for me; it's a genuine love and lifelong pursuit. I am always eager to take on new challenges and push the boundaries of what I can build. My areas of expertise include: Microsoft Technologies: ASP.NET, MVC, WinForms, WPF, Entity Framework, DDEX, Dapper, Spotify Front-End: AngularJS, React, HTML5, CSS3, Bootstrap 3, JavaScript, jQuery CMS & E-Commerce Platforms: NopCommerce, Umbraco, DNN, WordPress Mobile Development: Xamarin, Kotlin Cloud & Backend: Azure, AWS, Node.js Databases: MySQL, MongoDB, SQLite Other Technologies: Laravel, PHP, Spotify API integration, HIPAA I take pride in delivering clean, efficient, and scalable solutions. I work tirelessly to ensure complete satisfaction for every client. My approach is simple: quality work, open communication, and a results-driven mindset. I believe every project is a new challenge, and every challenge is a step toward success. Let’s build something great together! Cheers, Parminder Singh

I help companies build reliable AI-powered automation systems, browser automation platforms, and scalable SaaS infrastructure. Over the past 10+ years, I have designed and developed production systems involving: - AI agents & LLM integrations - Browser automation (Playwright/Puppeteer/Selenium) - Web scraping & anti-bot systems - SaaS platforms - FastAPI & Python backend systems - AWS serverless infrastructure - Workflow automation - CRM & API integrations - Data pipelines and large-scale processing I specialize in solving difficult engineering problems where stability, scalability, and reliability matter. My experience includes: - Large-scale browser automation systems - AI-powered SaaS platforms - High-volume web scraping infrastructure - Workflow and CRM automation - Cloud-native AWS architectures - Real-time automation systems - Dockerized production environments - API orchestration and integrations - RAG and LLM-powered applications Technical stack: Python, FastAPI, Playwright, Selenium, AWS Lambda, DynamoDB, Docker, Kubernetes, PostgreSQL, MongoDB, Redis, OpenAI APIs, LangChain, Serverless Framework, React, Node.js I am particularly effective on projects involving: - unstable automation systems - scraping infrastructure - AI integrations - browser reliability engineering - SaaS architecture - scaling and optimization - workflow automation - production debugging I approach projects as long-term engineering partnerships and focus on delivering systems that are maintainable, scalable, and robust in production.

Looking for a Full-Stack or AI/ML Developer who can deliver scalable web and mobile applications? I am Karmraj (RAJ), a seasoned Full Stack Engineer with 12+ years of hands-on experience building high-performance applications across AI/ML, Web, and Mobile domains. I bring together the best of Python and React ecosystems to create seamless, production-ready digital products that scale with your business. 💡Key Strengths💡 - 12+ Years of Experience: Delivered end-to-end projects, from MVPs to enterprise-grade systems, across healthcare, e-commerce, logistics, fintech, education, recruitment, etc. - Proven Full-Stack Expertise: Skilled in both frontend and backend development using React, Next.js, Django, Flask, and FastAPI, ensuring clean architecture and maintainable code. - AI-Driven Problem Solver: Experienced in integrating OpenAI, TensorFlow, PyTorch, and ChatGPT APIs into web and SaaS platforms. - Transparent Collaboration: Expect clear communication, frequent updates, and a focus on measurable results. ➡️ My Development Process ➡️ - Discovery & Requirements: Understand your goals, workflows, and target outcomes to define a clear roadmap. - Planning & Roadmap: Prepare milestones, timelines, and architecture documentation. - Design & Prototyping: Optional wireframes or clickable prototypes to align expectations. - Development & Testing: Implement robust backend APIs and responsive UIs, with thorough QA at each stage. - Deployment & Updates: Continuous integration, version control, and agile delivery. - Post-Launch Support: I stay involved for monitoring, optimisation, and ongoing improvements. 🧠 Tech Stack 🧠 1) AI & Machine Learning: TensorFlow | PyTorch | OpenAI | ChatGPT | LangChain | Scikit-learn | NLP | Chatbot Integrations 2) Frontend: JavaScript (ES6+) | TypeScript | React.js | Next.js | React Native | Redux | Hooks | TailwindCSS | Bootstrap | HTML5 | CSS3 3) Backend: Python | Django | Flask | FastAPI | Django REST Framework (DRF) | RESTful APIs 4) Databases: PostgreSQL | MySQL | MongoDB | Firebase | DynamoDB | SQLite 5) DevOps & Tools: AWS | Azure | GCP | Docker | Kubernetes | GitHub Actions | Jira | Trello | Agile / Scrum 🎯 Areas of Expertise 🎯 - Web & SaaS Application Development - Mobile App Development (React Native/Flutter) - AI/ML & Chatbot Integration - API & Third-Party Integrations - Cloud Deployment (AWS/GCP/Azure) - Database Design & Optimisation - End-to-End Full Stack Development 🔑𝑲𝒆𝒚𝒘𝒐𝒓𝒅𝒔🔑 Artificial Intelligence, Machine Learning, Full Stack Development, Web App Development, Mobile App Development, React, Python, Django, React Native, Flutter, Front-end Development, Back-end Development, FastAPI, Flask, Database Management (MySQL, MongoDB), API Integration, Responsive Design, Cross-platform Development, Top Rated, Project Management, Agile Methodologies, User Experience. *The rate mentioned here is a general one. No one shoe fits them all; the actual rate depends on the complexity and engagement. I will specify it in the cover letter!*

I build production-ready AI applications and SaaS platforms using Python, Django, FastAPI, React and Next.js. As a Top Rated Plus developer with 50+ completed Upwork projects, I have helped clients build, complete and improve AI-powered products, backend systems, voice agents, RAG applications and data-driven platforms. My focus is not limited to adding an OpenAI API to an application. I build the complete system around the AI feature including backend architecture, data pipelines, APIs, user roles, payments, integrations, deployment and production reliability. ✅What I Can Help You Build * AI-powered SaaS platforms and internal tools * Python backends using Django, FastAPI and Flask * RAG systems with embeddings, vector search and document processing * Voice AI agents using Twilio, Deepgram, ElevenLabs and OpenAI * LLM integrations using OpenAI, Claude and structured AI workflows * React and Next.js dashboards connected to Python APIs * REST APIs, webhooks and third-party integrations * Authentication, user roles, subscriptions and Stripe payments * Background processing, real-time systems and large-data workflows * Existing application debugging, optimization and completion ✅Relevant Project Experience ◾DataVersion AI document-processing and RAG platform built with FastAPI, Next.js, Supabase, AWS and Pinecone. ◾Key2 AI voice and telecom platform using Django, FastAPI, Twilio, ElevenLabs, OpenAI and Deepgram. ◾OpenHome Voice AI application built with Django, Vue.js, Deepgram, ElevenLabs, OpenAI and AssemblyAI. ◾PitchFit AI-powered SaaS application developed with Flask, FastAPI, React and Express.js. ✅My Core Technology Stack ⭐AI and LLMs: OpenAI, Claude, RAG, AI agents, embeddings, vector databases, prompt engineering and document processing ⭐Voice AI: Twilio, Deepgram, ElevenLabs, Retell, speech-to-text, text-to-speech and real-time voice workflows ⭐Backend: Python, Django, FastAPI, Flask, Node.js, Express and NestJS ⭐Frontend: React, Next.js and Angular ⭐Data and Infrastructure: PostgreSQL, Supabase, MongoDB, Redis, Firebase, AWS, Docker and DigitalOcean ⭐Automation and Integrations: n8n, APIs, webhooks, Zapier and Make ✅ Why Clients Work With Me -- Clients describe me as reliable, collaborative, responsive and committed to quality. ⭐One client shared: “Best developer I have ever worked with on this platform.” ⭐Another said: “If you need a developer that works fast, consistent and knowledgeable, Hassan is your guy!” I am comfortable joining projects at any stage whether you need to build an MVP, add AI features to an existing product, repair an unstable backend or prepare a prototype for production. Send me a brief description of your product, current stack and the main problem you need solved. I’ll review it, identify the fastest path forward, and tell you exactly how I can help no vague promises, no wasted time. Looking forward to have a Fruitful Conversation with u :)

Top Rated Plus | $150K+ Earned | 12,000+ Hours I help businesses build reliable ETL pipelines, automate manual workflows, and integrate systems using SQL Server, Python, KNIME, n8n, WooCommerce, and Power BI. If you need fast, secure, and scalable data automation, I’m the expert teams rely on. Hi, I’m Majid, a Senior Data Automation & ETL Specialist (Top Rated Plus, $150K+ earned, 12,000+ hours) helping businesses transform fragmented systems into automated, reliable, and scalable data operations. I build production-grade ETL pipelines, automate business workflows, and integrate databases + APIs + web apps using: • SQL Server, Python, KNIME, n8n, Pandas, Power BI • WooCommerce, Selenium, REST APIs, Django • Enterprise-grade workflow orchestration and automation My work helps teams eliminate manual processes, reduce errors, and unlock real-time insights. What I Can Do for You 🔹 ETL Pipelines & Data Engineering I design and build robust pipelines that safely move data between systems: • SQL Server, APIs, CSV/Excel, WooCommerce, and internal databases • Incremental loads, data quality checks, logging, error handling • High-volume + high-reliability workflows for enterprise use • KNIME → Python pipeline conversions 🔹 Workflow Automation & Integrations I automate repetitive processes using Python, Selenium, n8n, and custom scripts: • WooCommerce ↔ SQL Server sync • CRM and e-commerce automations • API-based integrations (Discord, custom apps, 3rd-party services) • Automated data extraction and processing 🔹 Data Insights & Reporting Turn raw data into decision-ready dashboards: • Power BI modeling, DAX optimization, refresh automation • Custom analytical pipelines feeding BI tools • KPI/metric design based on real business goals 🔹 Full Stack Development (Support to Automation) When needed, I build or modify supporting applications: • Django/Flask backend systems • Secure internal tools for data processing • Workflow dashboards and admin controls Why Clients Trust Me ✔ Top Rated Plus: long-term & high-value clients only ✔ $100k+ earned and 12,000+ hours (proof of reliability) ✔ Enterprise experience as DataHub Team Lead at YittBox ✔ Specialized in complex ETL + automation problems ✔ Security-first mindset: every workflow is safe, robust, and maintainable ✔ Clear communication, documentation, and long-term support Recent Wins (Real Examples) • Automated WooCommerce ↔ SQL Server data sync → saved client 12+ hours/week • Rebuilt ETL pipelines for a retail dataset → cut refresh time from 3 hours → 15 minutes • Converted a large KNIME workflow to Python → 40% runtime improvement + lower costs • Automated PDF → data extraction workflow → 99% reduction in manual errors How I Work I offer both hourly and fixed-price project packages, depending on complexity. Typical engagements include: • ETL pipeline development • Workflow automation systems • KNIME → Python migration • WooCommerce/API integrations • Power BI + SQL modeling If you want predictable, transparent, and long-term reliable automation, I can deliver it. Let’s Build Something Reliable Whether you’re looking to automate a business process, centralize your data, or build an end-to-end pipeline, I can help you get there faster and more reliably. Send me a message and let’s discuss your project.

TOP RATED ELITE Freelancer on Upwork with 6+ years of experience building scalable web applications, AI-powered platforms, automation systems, and cloud-native solutions for startups and enterprises. I specialize in combining AI, backend engineering, data workflows, and modern frontend technologies to develop reliable, production-ready, and business-driven software solutions. I help businesses automate workflows, build intelligent AI systems, develop scalable SaaS platforms, and launch high-performance applications faster with clean architecture and performance-focused development. What I Bring to Your Project - End-to-end product development from architecture to deployment - AI-powered applications and intelligent automation systems - Scalable backend APIs and microservices - Modern, responsive frontend applications - Data engineering, ETL pipelines, and workflow automation - Cloud deployment, DevOps, and infrastructure optimization - Clean, maintainable, production-ready code - Fast communication and reliable delivery Core Expertise: 1. Python Backend Development - FastAPI, Django, Flask - REST APIs & Webhooks - Microservices Architecture - Authentication & Secure Backend Systems - API Integrations & Third-Party Services - Automation Scripts & Backend Optimization - Scalable System Design 2. Data Engineering & Data Processing - ETL Pipelines & Data Automation - Data Processing & Transformation - Vector Databases (Pinecone, ChromaDB, Weaviate, FAISS) - PostgreSQL, MongoDB, DynamoDB - Workflow Automation & Data Synchronization - Intelligent Document Processing - Semantic Retrieval Systems 3. Front-End Development - React.js, Next.js, Vue.js - TypeScript & JavaScript (ES6+) - Responsive UI/UX Development - Frontend Performance Optimization - API Integration & State Management 4. AI Engineering & Generative AI - OpenAI, GPT-4, Claude, Gemini, LLaMA, Mistral - AI Agents & Autonomous Workflows - LangChain, LangGraph, AutoGen - Conversational AI & AI Chatbots - RAG (Retrieval-Augmented Generation) - Semantic Search & Vector Databases - AI Automation & Intelligent Workflows 5. AI SaaS Development: - RAG (Retrieval-Augmented Generation) - AI Voice Agents & Real-time AI Systems - Semantic Search & Vector Databases - AI Automation & Intelligent Workflows - Text Processing, Summarization & Data Extraction 6. Cloud & DevOps - AWS (EC2, Lambda, S3, CloudFront, DynamoDB) - Docker & CI/CD Pipelines - Serverless Applications - Deployment Automation - Scalable Cloud Architecture AI Tools & Technologies - Vector Databases: Pinecone, ChromaDB, Weaviate, FAISS - AI & LLMs: OpenAI, GPT-4, Claude, Gemini, LLaMA, Mistral - AI Frameworks: LangChain, LangGraph, AutoGen, PyTorch, TensorFlow - Automation: n8n, Make, Zapier, Airtable, Notion - Voice AI: Twilio, Deepgram, ElevenLabs, VAPI, Cartesia I focus on building scalable, AI-driven, and enterprise-grade solutions that create measurable business impact. I value clean architecture, performance optimization, scalability, and long-term maintainability in every project. If you are looking for a developer who understands both engineering and business requirements and can deliver reliable, scalable, and AI-powered solutions, I would be happy to help bring your project to life.

🏆Top Rated Plus | 100% Job Success | 7+ Years Expertise. I build resilient, self-healing AI scrapers that extract structured data from the most complex websites while others are still getting blocked by anti-bot systems. If you are tired of scripts that break or data that requires manual cleaning, I provide the professional-grade solution you need. With over 100 successful projects, I specialize in architecting "Agentic" scraping workflows—systems that use AI to adapt to layout changes and bypass advanced protections like Cloudflare and CAPTCHAs. ⚡ What I Can Do for You: ◉Intelligent Web Scraping: High-speed extraction from dynamic JavaScript sites (React/Vue) using Playwright, Scrapy, and Selenium. ◉AI-Powered Data Pipelines: Converting unstructured web data into LLM-ready formats (JSON/Markdown) for RAG systems and business intelligence. ◉Automated Monitoring: Real-time price tracking and alerts for e-commerce, real estate, and financial markets. ◉Enterprise Infrastructure: Deploying scalable scraping clusters on AWS/Google Cloud using Docker to handle millions of records. ⚡ Technical Stack: ◉Languages: Python (Expert), JavaScript (Node.js). ◉Frameworks: Scrapy, Playwright, Selenium, BeautifulSoup, FastAPI. ◉Data Handling: Pandas, NumPy, SQL, Excel/CSV. ◉Anti-Blocking: Proxy Rotation, Stealth Browsing, CAPTCHA Solving. Let’s turn your data needs into a competitive advantage. Send me a message today to discuss your project requirements!.

AI-powered SaaS for founders and teams: LLM and RAG features built into full-stack products where they drive real ROI, not bolted-on demos. Python/React, MVP to enterprise, 100% job success on Upwork. I act as your fractional engineering lead for AI SaaS, finding where AI actually pays off and shipping it with senior depth. What I deliver: - AI-powered SaaS: LLM features, RAG pipelines, and memory workflows integrated into Python/Django/FastAPI backends. - Full-stack product engineering: React/Next.js front ends, multi-tenant architecture, APIs, and analytics dashboards. - Data and automation: ETL pipelines and integrations that feed clean data into your AI. - Cloud-native, secure deployments on AWS and GCP. Selected work: - DignifyX: an AI sales-training platform that scores live conversations and returns structured, actionable feedback. - IAB Advisor: AI built into a financial-advisory platform with subscriptions, multi-language, and real-time updates. - Property Management SaaS: a multi-tenant B2B platform built for scale. I lead delivery with a vetted CodeFulcrum team (Top Rated Plus) behind me, so it holds past a single contractor. Stack: Python, Django, FastAPI, LangChain, RAG, Vector DBs, OpenAI, Claude, React, Next.js, TypeScript, Node.js, PostgreSQL, AWS, GCP. Tell me what you're building and I'll come back with how I'd architect it, no charge.

I am an enthusiastic Full-Stack developer who has built creative and engaging web applications over the years. I developed single-page applications with ReactJS and backend technologies like Django and Node. I like Python and TypeScript. Here are the technologies I have been working with. * Front-end Development: TypeScript / React JS / Redux / Vue JS / HTML5 / CSS3 / Bootstrap * Back-end Development: JS (Node) / express / Python / Django(Django-REST-framework) / MySQL / SQLite / MongoDB / PostgreSQL 📱Mobile App Development: React Native ✔️ Amazon Web Services: DynamoDB, Lambda, S3, SQS, API Gateway, EC2, etc ✔️ VC: Git (Github, Bitbucket) ✔️ OS: Linux(Primary), macOS ✔️ Docker, Nginx 🚀 Deployment: Amazon Web Services (AWS) / Heroku / DigitalOcean / VPS Looking forward to hearing from you.

My Specialties: - PySpark development/optimization - Airflow DAG architecture - AWS EMR pipelines - Parquet / S3 performance - Spark shuffle optimization - Python developement I am a Python Data Engineer and my services primarily include: 1/ The development, design and evaluation of ETL/ELT pipeline (this is the core my expertise) 2/ Python development . and 3/ My Data engineering services would include expertise with : - Airflow - SPark/pySpark - EMR and setup of Spark EMR clusters - Python coding - S3 Buckets (creation, Update, OCR upload, ...) - dynamoDB - postgresSQL I do also offer: - Unix Shell scripting (for which I am guru off) - ETL Workflow design (for which I am an expert of) - genAi with the use of Milvus or pgvector My development work comes fully QA tested and ready to be promoted in production. On demand I will include all Unit-test Pytest functions. My work is guaranteed, you are 100% satisfied or it is 100% free! My work also includes project management as I will divide my tasks accordingly and can segment my project in user stories if that can help your organization.