Saddam H.

I help startups and growing businesses build scalable, high-performance applications without rework or technical debt. Senior Full Stack Developer (React, Next.js, .NET, Node) focused on ownership, speed, and clean architecture. ▸ 12,000+ hours delivered on Upwork with consistent client success ▸ 9+ years building SaaS and enterprise-grade applications ▸ Proven track record of taking products from MVP to scalable platforms I help turn complex ideas into production-ready systems designed for real-world usage. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈 𝐡𝐚𝐯𝐞 𝐰𝐨𝐫𝐤𝐞𝐝 𝐰𝐢𝐭𝐡: AI & Agentic AI • Healthcare • SaaS • FinTech • IoT • Retail & E-commerce • Real Estate • Automotive • Logistics & Supply Chain • Education & EdTech • Event Management & Ticketing • Business Automation • Enterprise Software ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: • Frontend: React.js, Next.js (SSR/SSG), TypeScript, JavaScript (ES6+), Redux, RTK Query, Context API, Apollo Client, HTML5, CSS3, Bootstrap, Tailwind CSS, Material UI (MUI), Styled Components, SCSS, Responsive UI, Micro-Frontend Architecture • Backend: .NET, C#, ASP.NET Core, ASP.NET MVC, ADO.NET, Node.js, NestJS, Express.js, Python, REST APIs, GraphQL, Web APIs, Microservices, WebSockets, SignalR, JWT Authentication, OAuth2, RBAC, Background Jobs, Async Processing • AI & GenAI: AI Agent Development, GenAI Applications, LLMs (ChatGPT, Claude, Gemini, LLaMA), SLMs (Gemma 3), RAG Pipelines, LangChain, LangGraph, LlamaIndex, MCP (Model Context Protocol), Prompt Engineering, Semantic Search, ETL Pipelines, Contextual Data Management, AI Workflow Automation, AI-Assisted Development (GitHub Copilot, Cursor AI, Claude Code, Lovable) • Databases: PostgreSQL, MS SQL Server, MySQL, MongoDB, Redis, Vector Databases (Pinecone, FAISS), Schema Design, Query Optimization • Cloud & DevOps: Microsoft Azure, AWS (EC2, S3, Lambda, App Services), Docker, Kubernetes, CI/CD Pipelines, Azure DevOps, GitHub Actions, Application Monitoring & Logging • Integrations: OpenAI API, Anthropic Claude API, Google Gemini API, Stripe, Twilio,,Paypal, SendGrid, Google Maps, Firebase, Supabase, WebRTC, Third-Party APIs • Architecture: Multi-Tenant SaaS, Cloud-Native Applications, Microservices, Micro-Frontend Architecture, Enterprise Application Modernization, Legacy System Modernization, Scalable & Maintainable Software Architecture 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: AI Agent Development - GenAI Application Development - LLM Integrations (ChatGPT, Claude, Gemini, LLaMA) - SLM Integration (Gemma 3) - RAG (Retrieval-Augmented Generation) - LangChain, LangGraph, LlamaIndex - MCP (Model Context Protocol) - Prompt Engineering & Prompt Orchestration - AI Workflow Automation - ETL Pipelines for AI Data Processing - Contextual Data Management - Semantic Search & Vector Databases - Conversational AI & Voice AI - AI-Assisted Development (Claude Code, Cursor, GitHub Copilot, Codex) Proven Results & Impact - Scaled rental operations with real-time booking and automation platforms - Digitized complex workflows for correctional systems with real-time tracking and compliance - Built high-traffic ticketing platforms with dynamic pricing and seamless performance - Enabled large-scale patient monitoring with HIPAA-compliant IoT systems Tools & Workflow Version Control: GitHub, GitLab Project Management: Jira, Slack, Trello, Asana Development Practices: Agile and Scrum methodologies, CI/CD workflows, and collaborative development What You Get Working with Me - Solutions aligned with modern standards and best practices - Secure, compliance-aware architecture (HIPAA, GDPR, SOC 2) - Fast execution with optimized workflows - Cost-efficient, scalable, and high-performance systems - Clean, maintainable code and intuitive user experience I deliver secure, high-quality systems designed for long-term maintainability and growth. 𝐋𝐞𝐭’𝐬 𝐖𝐨𝐫𝐤 𝐓𝐨𝐠𝐞𝐭𝐡𝐞𝐫!