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Innovative and diligent executive software developer with over 10 years of experience in front & back-end programming, database ("DB") management and cybersecurity. Proficient in software/web/DB development, troubleshooting and maintenance. Excel at building and testing website/desktop applications. Strong communication skills and the ability to think outside the box. If you have any questions, please feel free to ask! :D

Top Rated Plus | Top 3% on Upwork | 100% JSS | Full Stack Developer 8+ years shipping production SaaS platforms for founders in the US, UK, and Canada. I specialize in AI-powered apps, multi-tenant architectures, and B2B marketplaces that handle real traffic without breaking." I work with founders and product teams who need software engineered for real-world scale multi-tenant SaaS architectures, AI workflows that run async at scale, IoT-enabled platforms, and bidding systems where data integrity actually matters. Not prototypes. Not MVPs that buckle the moment traffic shows up. Recent platforms I've shipped: → ACE MMI: AI-powered medical interview prep platform for UK med school applicants (EdTech + MedTech SaaS). Stack: React 18 + TypeScript, Supabase (PostgreSQL), GPT-4, Stripe, Cloudinary, Vercel. 1,000+ users onboarded, 5,000+ practice sessions, +47% improvement in MMI scores, +52% gain in communication skills, zero critical bugs at launch. → NinjaDAM: Multi-tenant Digital Asset Management SaaS with schema-per-tenant architecture. Stack: React 18 + Vite, ASP.NET + Entity Framework Core, PostgreSQL, AWS S3 + CloudFront, Docker, Jenkins. 95ms average API response, 99.9% uptime, 10K concurrent users supported, 1M+ assets across 20+ tenants, 100% audit compliance. → LOKR: IoT-enabled smart parcel locker SaaS platform automating last-mile delivery (logistics + subscription SaaS). Stack: React.js, Python + FastAPI, PostgreSQL, Stripe, IoT sensor hardware, OTP/PIN/QR authentication. Owned backend architecture, IoT communication logic, and subscription billing engine. 80% reduction in failed deliveries, 99.5% successful transaction rate, 45% improvement in operational efficiency. → Raprod: B2B manufacturing marketplace with real-time bidding engine and verified supplier workflows. Stack: Angular + .NET. Structured RFQ pipelines, transparent bid comparison, manufacturer verification system. → Vast Advisor: FinTech compliance platform for Registered Investment Advisors (RIAs). Stack: .NET (ABP framework), Blazor, PostgreSQL, Chart.js. AI-powered compliance monitoring, network-wide campaign analytics, regulatory audit tooling. Tech I work with daily: Frontend: React.js, Next.js, TypeScript, Angular, Vite, Tailwind CSS, shadcn/ui, Redux Backend: Node.js (Express, NestJS), Python (Django, FastAPI), .NET (ASP.NET, Entity Framework), REST APIs, GraphQL, microservices Databases: PostgreSQL, Supabase, MongoDB, MySQL, Redis, multi-tenant schema architectures Cloud & DevOps: AWS (S3, CloudFront, EC2), Azure, Vercel, Docker, Jenkins, GitHub Actions, Nginx, CI/CD AI & Automation: OpenAI APIs, GPT-4, RAG pipelines, AI scoring engines, async ML workflows Integrations: Stripe subscription billing, IoT hardware, courier/WMS, Cloudinary, Supabase Industries: SaaS · Healthcare · FinTech · EdTech · Logistics & IoT · B2B Marketplaces · E-commerce · Compliance How I work: I write clean, documented, testable code. I plan in sprints with demos at every step. I'll give you the realistic timeline not the one you want to hear, the one that actually holds. I communicate proactively, so you'll always know where your project stands. Send me a message with your project goals and timeline. I respond within 1-2 hours and can start immediately. -- Full Stack Developer | Full Stack Engineer | React Developer | React.js Developer | Next.js Developer | NextJS Developer | Node.js Developer | NodeJS Developer | TypeScript Developer | JavaScript Developer | Frontend Developer | Backend Developer | MERN Stack Developer | Python Developer | Django Developer | .NET Developer | ASP.NET Developer | C# Developer | SaaS Developer | SaaS Platform | SaaS Development | MVP Development | Web Application Development | Web App Developer | Custom Software Development | Product Engineer | API Development | API Integration | REST API | GraphQL | Microservices | PostgreSQL | MongoDB | SQL Server | Supabase | Prisma | Database Design | AWS | Azure | Vercel | Cloud Deployment | CI/CD | Authentication | OAuth | JWT | Role-Based Access | Multi-Tenant Architecture | Admin Dashboard | Stripe Integration | Payment Integration | Subscription Management | AI Integration | OpenAI API | Claude API | LLM Integration | RAG | AI Automation | Workflow Automation | Cursor | Claude Code | Replit | Lovable | AI-Assisted Development | Tailwind CSS | Responsive Design | Performance Optimization | Scalable Architecture | Technical Lead | Code Review | Production Ready

Senior Microsoft Consultant | 17+ Years of Expertise in SharePoint, Power Platform & Microsoft 365 I'm a seasoned Microsoft 365 Consultant with over 17 years of global experience in delivering business-critical solutions using SharePoint (Online & On-Premise), Power Apps, Power BI, Power Automate, and Microsoft Teams. I’ve successfully led projects for clients across the globe, ensuring delivery within scope, time, and budget. From SharePoint migrations, upgrades, branding, and customizations to end-to-end business process automation, I specialize in transforming outdated manual processes into efficient, cloud-based systems. I’ve helped small businesses, growing startups, and enterprise organizations build smart solutions like Document Management Systems (DMS), HR Management Systems (HRMS), Quality Management Systems (QMS), and Project Management Systems (PMS), all within the Microsoft 365 ecosystem. 🧩 Trusted by Global Clients Brands like Torrent Power, Daikin, Mahanagar Gas Limited, GTU, and Nonviolent Peaceforce have relied on my expertise to build, automate, and optimize digital solutions that save time and improve business efficiency. 💼 Services I Offer: ✅ Microsoft 365 Consulting Implement Microsoft 365 tools with confidence, from tenant setup to long-term strategy and governance. ✅ SharePoint Consulting I provide SharePoint Online and On-Premise services, including migration, installation, customization, branding, integration, and setup. ✅ Power Apps Development Build modern business apps to digitize forms, workflows, approvals, and task tracking — integrated with SharePoint or Dataverse. ✅ Power BI Dashboards Get clear, interactive reports that help your teams visualize KPIs and make informed, data-driven decisions. ✅ Power Automate Flows Automate repetitive and complex tasks using flows that connect your apps, services, and users seamlessly. ✅ Mobile App Development Cross-platform mobile apps developed using Flutter or native tools, intuitive, fast, and scalable for business needs. ✅ Website Development Custom websites using React, WordPress, Laravel, or PHP, mobile-friendly, fast-loading, and built for conversion. 🌟 Benefits of Working With Us ✔️ A 17+ Years Experienced Project Manager (US Graduate) will oversee your project, supported by senior developers, designers, and QA specialists. ✔️ Cost-effective hourly rates that deliver real value. ✔️ Professional, hassle-free communication and complete transparency. ✔️ Open to signing NDAs to ensure the confidentiality of your ideas and concepts. ✔️ Extensive experience working with clients from the US, Canada, European Union, and Australia. ✔️ Follow an Agile Development Methodology to keep you involved and informed throughout the project lifecycle. 💡 Why Choose Me? 🔹 17+ years of Microsoft ecosystem experience 🔹 Deep technical expertise across Microsoft 365 & app development 🔹 Worked with Fortune 500s and growing businesses alike 🔹 Problem-solver focused on outcomes, not just features 🔹 Transparent communication and on-time delivery 🔹 Post-delivery support and documentation Let’s bring your idea to life or improve what’s already built. 📩 Ready to discuss your project? Let’s connect today.

Hello, I am Manpreet Singh. My Objective is to be able to become a more productive person and to gain profit with my skills through outsourcing and especially gaining good relationships here and abroad. I have 13 years of experience. I have good experience in .NET, client-side scripting languages and more. I have good experience in web applications, desktop applications and I have developed many desktop applications for different areas like Inventory control system, IncomeTax Department, Hotel Management, File handling. Web Design Skills - HTML - CSS - Bootstrap - Psd To Html - Adobe Photoshop Development Skills & Technologies - ASP.NET - MVC 3 - 4 - 5 - C# , Java, C++, VB, VB.Net - AJAX - Web Service - JavaScript - J query - XML - Angular js - React js - Node js - Apollo Client - GraphQL - WebApi - Algolia Search - Json Database Expertise - SQL Server - LINQ - My SQL - Mongoose DB - Entity Framework