Building Intelligent Applications with .NET & AI

I design secure, cloud-native AI applications, agents, and RAG systems that solve real business problems using proven architectures.

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C#/.NET • Angular • React/Next.js • Python • RAG • AI Agents • Enterprise AI

mariepaulinetangelo.dev/dashboard

50+

Projects Delivered

+12%

92%

Avg. Model Accuracy

+5%

35

Systems Architected

10+

Years of Experience

Recent Activity

  • Shipped fusion RAG pipeline for Enterprise Knowledge Fusion10 mins ago
  • Deployed AI agent workflow1 hour ago
  • Optimized .NET service latency3 hours ago
  • Reviewed cloud architectureYesterday

Activity Overview

Featured Case Studies

Enterprise Knowledge Fusion RAG

Multi-source RAG platform unifying PDFs, websites, CSVs, and SQL databases with fusion retrieval, cross-encoder re-ranking, and fully inspectable citations.

RAGFusion RetrievalEnterprise AI
View Case Study

VoiceDesk AI Voice Receptionist

Multi-tenant AI voice receptionist SaaS that answers website and phone calls, books appointments, and qualifies leads 24/7 on GPT-4o Realtime.

Voice AIAI AgentsMulti-Tenant SaaS
View Case Study

Case Study Three

Executive copilot that turns data into actionable insights across operations, finance, and delivery.

AI AgentsAnalyticsCloud
Coming soon

Architecture Lab

RAG Systems

DocsEmbeddingVector DBAnswer

Retrieval-augmented generation pipelines with enterprise-grade indexing.

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AI Agents

Autonomous agents that plan, use tools, and deliver outcomes at scale.

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Voice AI Agents

CallerRealtime LLMTools

Real-time voice agents that listen, reason, and act on tools with sub-second latency.

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Multi-Tenant SaaS

Tenant ATenant BTenant C
Application Layer
Shared Services

Scalable, secure, and isolated applications built for growth.

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Cloud-Native Architecture

ClientAPI GatewayService

Modern microservices with resilience, observability, and security.

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MT

Hi, I'm Marie Pauline.

I'm a Senior Software Engineer & AI/LLM Engineer who builds intelligent, secure, and scalable solutions that solve real business problems. I combine enterprise .NET expertise with modern AI to deliver systems that are reliable, maintainable, and built for impact.

AI EngineeringFull-Stack DevelopmentCloud ArchitectureRAG & Vector SearchAI AgentsContainers & OrchestrationSystem DesignClean ArchitectureDevOps & CI/CD

Your next project can feel a lot less overwhelming

Tell me about your idea, and let's figure out the right architecture to build it.

Get StartedSee What I Build