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✅ Top Rated Plus | 100% JSS | 4x Certified (AWS SA Pro, GCP Pro Architect, Snowflake) | BITS Pilani MTech Data Science | Full Stack Developer & Data Engineer | React, Python, Node.js, Spark | $20K+ earned | 1,845+ hours I build full-stack web applications and data engineering systems that go to production, not to demo day. SaaS MVPs, Spark-based ETL pipelines, cloud architecture on AWS and GCP, I handle both the application layer and the data infrastructure behind it. 🔹 Full-Stack SaaS & Web Application Development React, Next.js, Node.js, and Python backends for SaaS platforms, dashboards, internal tools, and customer-facing apps. MVP to production on AWS/GCP with CI/CD, automated testing, and monitoring from day one. 19 Upwork contracts delivered with structured milestones. 🔹 Data Engineering & ETL Pipeline Architecture End-to-end data pipeline design with Apache Spark, PySpark, Scala, Snowflake, and Airflow. Batch and streaming ETL processing millions of records per run. Data lake architecture, warehouse modeling, analytics-ready output layers. 8+ years building production Spark + Cassandra systems at enterprise scale. 🔹 Cloud Architecture & Infrastructure (AWS + GCP) 4 cloud architecture projects on Upwork, all rated 5.0. $2,300 CloudStack design. AWS architecture advisory. EC2, Lambda, S3, RDS, EMR, Redshift on AWS. BigQuery, Dataflow, Cloud Functions on GCP. Terraform for IaC, Docker and Kubernetes for orchestration, zero-downtime deployments. 🔹 API Development & Backend Systems REST API and GraphQL backends with Node.js, NestJS, FastAPI, and Django. Microservices, Redis caching, WebSocket integrations, Stripe payment APIs, OAuth/JWT authentication. Backend services handling concurrent users at production scale. 🔹 Database Design & Data Modeling PostgreSQL, MongoDB, MySQL, Cassandra, DynamoDB, Redis. Schema design, query tuning, indexing, partitioning. Star and snowflake schemas, slowly changing dimensions, SQL optimization for analytics. Architecture decisions balancing performance, throughput, and cost. 🔹 AI Integration & Intelligent Applications OpenAI API, Hugging Face, NLP pipelines, chatbot systems, text extraction and summarization. Delivered NLP processing on Upwork. AI-powered features built into SaaS products as production features, not standalone experiments. 🔹 Real-Time Processing & Event-Driven Systems Kafka for event-driven architectures, change data capture, WebSocket dashboards, streaming pipelines for near-real-time analytics. Application events connected to data warehouse layers. 🔹 Frontend Performance & TypeScript Engineering React and Next.js with SSR/SSG for SEO-friendly rendering. TypeScript full stack. Core Web Vitals optimization, Tailwind CSS, responsive design. Fast-loading frontends that rank and convert. 🔹 DevOps, CI/CD & Production Systems Docker, Kubernetes, Terraform, GitHub Actions, GitLab CI. Serverless with AWS Lambda and GCP Cloud Functions. Monitoring, logging, alerting for production. Zero-downtime deployment strategies. 🔹 Technical Consulting & Architecture Advisory TypeScript and AWS Lambda tutor on Upwork, rated 5.0 over 13 hours. Cloud migration advisory, system design review, code audits, performance optimization, engineering mentorship. 📊 AWS Solutions Architect Professional + Associate (Dec 2026) | GCP Pro Cloud Architect (Jul 2026) | Snowflake Core (Jan 2026) 📊 MTech Data Science, BITS Pilani, ranked top 5 engineering institutions in India 📊 19 contracts, 100% JSS, Top Rated Plus, 1,845+ hours tracked, $20K+ earned 📊 "Jay's expertise brought the architecture design to life in ways I hadn't imagined" (5.0 rated) 📊 8+ years: React, Node.js, Python, Java, Scala across SaaS, healthcare, fintech, enterprise → Day 1: Requirements call + architecture proposal with tech stack rationale → Week 1: Sprint development, daily Loom/Slack updates, working code shipped → Ongoing: Weekly demos, priority reviews, transparent tracking, full documentation → Delivery: Documented code, CI/CD configured, deployment guide, 2-week post-launch support Full Stack: React, Next.js, Node.js, NestJS, Express, TypeScript, JavaScript, Python, FastAPI, Django Data: Apache Spark, PySpark, Scala, Snowflake, Airflow, Kafka, ETL, dbt, SQL, BigQuery Cloud: AWS (Lambda, EC2, S3, RDS, EMR, Redshift), GCP (BigQuery, Dataflow), Docker, Kubernetes, Terraform DB: PostgreSQL, MongoDB, MySQL, Redis, Cassandra, DynamoDB, Supabase AI: OpenAI API, Hugging Face, NLP, LLM Integration, TensorFlow, PyTorch 💬 Message me with your project scope or data challenge. I respond within 4 hours with a free assessment and can start within 48 hours.

I help businesses and startups build high-performance, scalable, and maintainable software systems. My core strength is full stack development with a deep backend focus, combining .NET, Node.js, and Python on the server side with React and Angular on the frontend, deployed on AWS or Azure with Docker and automated CI/CD pipelines. I bring 20 years of architecture and delivery experience to every project, whether it is a greenfield SaaS build, an enterprise system modernization, an API-first backend built to scale, or a complete full stack web application owned end to end. ✅ 20+ years in full stack development and software architecture ✅ .NET, Node.js, React, Angular, Python, Java, AWS, Azure ✅ Enterprise systems, SaaS platforms, APIs, and cloud infrastructure AI automation is part of my toolkit. When a product needs n8n workflows, OpenAI integration, or AI voice agents built on top of a solid full stack foundation, I deliver that as part of the build. Send me a message and I will respond same day. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ What I Build as a Full Stack Developer ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ - Backend and API Development .NET, C#, Node.js, Python, and Java backends with REST and GraphQL APIs, microservice architecture, PostgreSQL, MySQL, MongoDB, and SQL Server databases. I design backend systems with performance, security, and long-term maintainability as first-class requirements. Whether the project is a high-throughput API serving thousands of concurrent users or an internal business tool processing complex domain logic, the same engineering discipline applies. - Frontend Development React, Angular, and Vue.js frontends with TypeScript and JavaScript, connected to backend APIs with clean component architecture, responsive layouts, and real-time data handling via WebSockets where the product requires it. I have delivered React and Angular frontends for SaaS dashboards, enterprise admin consoles, and customer-facing web applications across fintech, risk management, and logistics domains. - Cloud and DevOps AWS and Azure infrastructure, Docker and Kubernetes, CI/CD pipelines with Jenkins and GitHub Actions, monitoring, logging, and deployment automation. I build cloud infrastructure that lets teams ship confidently and scale without rebuilding from scratch. Every production system I deliver is containerized, monitored, and designed for zero-downtime deployments. - Enterprise Architecture and System Design Scalable, secure system architecture for SaaS platforms, fintech applications, and enterprise tools. 20 years of cross-industry architecture experience means I make the decisions that keep systems maintainable as teams and feature sets grow, and identify the shortcuts that create expensive problems before they are made. I have led cross-functional engineering teams, defined technical roadmaps, and delivered mission-critical systems across multiple industries and global delivery models. - Full Stack SaaS and Web Application Development End-to-end SaaS platforms and web applications built across the full stack, from database schema and backend API through to frontend UI and cloud deployment. I have delivered full stack SaaS products for risk management, fintech, healthcare, and logistics businesses where reliability and security are non-negotiable and technical debt has real business consequences. - AI and Automation Integration When a full stack project needs AI capabilities, I integrate n8n automation workflows, OpenAI and GPT-based features, AI voice agents via ElevenLabs, and lead generation pipelines via Apify as part of the core delivery. My full stack engineering background means these AI features are production-grade, not proof-of-concept integrations bolted on at the end. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Tech Stack ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Backend: .NET, C#, Node.js, Python, Java, REST API, GraphQL, Microservices Frontend: React, Angular, Vue.js, JavaScript, TypeScript, HTML5, CSS3 Databases: PostgreSQL, MySQL, MongoDB, SQL Server, Redis Cloud and DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, GitHub Actions AI and Automation: OpenAI, n8n, ElevenLabs, Apify, LLM integration ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Industries ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Fintech, Enterprise SaaS, Risk Management, Healthcare, Logistics, Real Estate, EdTech, Startups and Scale-ups. If you need a full stack developer with 20 years of enterprise engineering discipline behind every architectural decision, send me a message. I will help you scope, architect, and deliver.

🚀 Senior AI Engineer | AI Agents | LLM Applications | Chatbots | Python & Node.js Expert 🏆 8+ Years Experience | 100+ AI & Automation Projects | SaaS & Enterprise Solutions 🥇 Specialist in AI Agents, Conversational AI, LLM Applications, and Scalable Backend Systems I help startups and companies build AI-powered applications, autonomous agents, intelligent chatbots, and scalable backend systems. With 8+ years of software development experience, I specialize in building production-ready AI systems using LLMs, vector databases, agent frameworks, and modern backend architectures. I have worked on AI SaaS platforms, conversational agents, chatbot automation systems, and ML-powered applications across industries, including SaaS, Healthcare, E-commerce, Real Estate, Finance, and Customer Support. My goal is simple: 👉 Build AI solutions that actually work in production — not just demos. 💡 AI & Development Expertise 🤖 AI Agents & LLM Applications ✔ OpenAI Agent SDK ✔ LangGraph ✔ CrewAI ✔ Google Agent Development Kit (ADK) ✔ Autonomous AI Agents ✔ Multi-Agent Systems ✔ Tool-Using AI Agents 🧠 Conversational AI & Chatbots ✔ Google Dialogflow ES / CX ✔ OpenAI Assistants API ✔ WhatsApp / Telegram / Messenger Bots ✔ RAG-based AI Assistants ✔ Knowledge Base AI Bots 🧠 Machine Learning & AI ✔ LLM Fine-Tuning & Inference ✔ TensorFlow / PyTorch ✔ NLP Systems ✔ Vector Search & RAG ✔ Object Detection (YOLO, RF-DETR) ✔ Image Classification ⚙️ Backend & Full-Stack Development ✔ Python (FastAPI, Flask) ✔ Node.js (Express, NestJS, TypeScript) ✔ Next.js / React Applications ✔ REST API & Microservices Architecture ✔ Webhooks, Integrations, Automation Systems I specialize in building high-performance backend systems designed for AI workloads. ☁️ Cloud, Infrastructure & DevOps ✔ Docker / Kubernetes ✔ AWS / GCP Deployment ✔ GPU-based AI inference systems ✔ CI/CD pipelines ✔ Scalable SaaS architectures 🧰 Tools & Technologies AI Frameworks: LangGraph, LangChain, OpenAI SDK, CrewAI Languages: Python, TypeScript, JavaScript Backend: FastAPI, Flask, Node.js, Express AI/ML: TensorFlow, PyTorch, HuggingFace Vector Databases: Pinecone, Qdrant, Weaviate, Chroma Databases: PostgreSQL, MySQL, MongoDB DevOps: Docker, Kubernetes, CI/CD 🌍 Industry Experience SaaS 🚀 | Healthcare 💉 | E-Commerce 🛒 | Real Estate 🏠 | Fintech 💳 | Customer Support 🤝 | AI Startups 🤖 | Automation Platforms ⚙️ Why Clients Work With Me ✔ Production-ready AI systems ✔ Clean architecture & scalable code ✔ Strong communication & documentation ✔ Fast iteration & delivery ✔ Business-focused AI solutions 💬 Looking to build an AI agent, chatbot, or LLM-powered application? Let's discuss your project and build something powerful.

Build intelligent systems that work smoothly inside real products. I am an AI/ML engineer with 7+ years in software development and 3+ years building and deploying machine learning systems. I work across the full stack, from data processing and model training to backend APIs and frontend integration, delivering complete, working solutions. ●What I Bring to Your Project: • 30+ deployed ML models handling large-scale prediction workloads • End-to-end system development (data → model → API → frontend → deployment) • Fast MVP development with scalable architecture • Experience balancing local models and cloud infrastructure ● AI / ML Capabilities: • LLM Integration: GPT-4, Claude, Gemini, Llama 3, Mistral • RAG pipelines, semantic search, embeddings, fine-tuning • Local model setup: Ollama, LocalAI, private LLM environments • Computer Vision: YOLO, OpenCV, TensorFlow, PyTorch • NLP: Sentiment analysis, NER, text classification, summarization • Intelligent automation, document processing, data extraction ● Full Stack Development: • Backend: Python (FastAPI, Django), Node.js • Frontend: React, Next.js, Vue, real time AI interfaces • Databases: PostgreSQL + pgvector, MongoDB, Redis, ChromaDB • Vector DBs: Pinecone, Weaviate • Deployment & DevOps: Docker, Kubernetes, AWS, GCP ● Selected Work: • Conversational system reducing support workload by 70% • Document processing pipeline handling 100K+ pages daily • Predictive model saving millions annually • LLM agent automating large-scale data entry workflows If you're planning to integrate LLMs, build search systems, deploy ML models, or connect AI with a full web or mobile stack, I can help you design and deliver the complete solution. Let’s discuss your project.

Building ERP, Scalable SaaS & Business Systems Next.js • MERN • TypeScript Frappe • ERPNext • HRMS • Stock • Accounting • Inventory I help founders and growing teams build reliable, scalable, and maintainable web applications — not just features, but systems that hold up as the business grows. With 7+ years of hands-on experience, I’ve worked with startups, SaaS founders, growing teams, and enterprise-scale projects, serving clients across the USA, Canada, and Norway with smooth timezone overlap and clear communication. :::::: AVAILABILITY & COLLABORATION - Available full-time starting February (second week onward) - Comfortable with US & European time overlaps - Clear async communication + scheduled overlaps - Long-term collaboration mindset :::::: BEYOND DEVELOPMENT → OWNERSHIP → TECHNOLOGY PARTNER I don’t see myself as "just a developer executing tickets". I take ownership of the product, understand the business logic behind features, and think ahead about scalability, security, and maintainability — so you don’t pay twice for the same decisions later. My goal is to act as a technology partner, not a short-term resource. :::::: WHAT SETS ME APART I started my engineering journey in Electrical Machines & Power Electronics, where precision, system behavior, and failure analysis matter deeply. That foundation shaped how I think. I later transitioned into software engineering and have been delivering production-grade systems for 7+ years. This background gives me: - Strong systems thinking - A habit of designing for edge cases and real-world constraints - Calm, structured problem-solving, especially in complex flows Today, I bring this mindset into my work as an independent freelancer, focused on long-term value rather than short-term fixes. :::::: WHAT I HELP YOU BUILD - Scalable SaaS platforms - Clean, maintainable Next.js / React applications - Secure authentication & authorization systems - API-driven platforms and third-party integrations - Well-structured monorepos for growing teams - Refactoring and stabilizing existing codebases :::::: CORE TECHNICAL STRENGTHS Frontend & Performance: - Next.js (SSR, SSG, ISR) - React.js with TypeScript - Performance-first, always-responsive UI - Clean component architecture Backend & Architecture: - Node.js, Express.js - MongoDB - GraphQL (when requirements demand it) - Role-based & entity-based access control - Event-driven flows & background processes Codebase Quality & Scale: - Scalable, clean, maintainable code - Turborepo - monorepo architecture (when appropriate) - Parallel QA testing and structured reviews - Security-first approach Deployment & Cloud: - Vercel for frontend and serverless workloads - Google Cloud Platform or Azure for backend services, APIs, and background workers (based on requirements) - Modern CI/CD workflows :::::: WAY OF WORKING - Understand the problem before choosing tools - Translate business needs into clear technical execution - Agile-first approach with transparent planning - Quick iterations with visible progress - Everything is owned by you from day one (code, access, decisions) - Pragmatic use of AI for research, acceleration, and validation (final decisions are always engineering-driven) :::::: INDUSTRIES I’VE WORKED WITH - SaaS platforms and internal tools (HRMS, Payroll, Project and Task Management) - Automotive and vehicle retail platforms (Norway importers, multi-brand dealerships) - E-commerce systems, including vehicle sales - Home services platforms :::::: Let's get started, if you’re looking for someone who: - Thinks beyond features - Communicates clearly - Takes responsibility seriously - Builds with long-term stability in mind 👉 Share your requirements, and I can start the same day. We can begin with a message or an introductory call.

I am a Cloud & DevOps Engineer with hands-on experience in designing, deploying, and managing scalable cloud infrastructure and microservices systems. I specialize in Kubernetes (GKE), Terraform, Docker, and API Gateway solutions like Kong and Apigee. I help businesses build reliable, secure, and cost-efficient systems on Google Cloud Platform. 🔧 What I can help you with: Kubernetes (GKE) setup, debugging, and optimization CI/CD pipelines (GitLab CI, GitHub Actions) Infrastructure as Code using Terraform API Gateway setup (Kong, Apigee) with authentication (OAuth2, JWT) Microservices deployment and scaling Cloud cost optimization and monitoring 💡 I focus on writing clean, production-ready infrastructure and solving real-world problems like downtime, scaling issues, and deployment failures.