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devsergioherrera/README.md
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Sergio Andrés Herrera Vallejo

availability

 


Building systems that think — enterprise backends, IAM infrastructure, MCP agent platforms, and on-device AI. 2+ years in production at Integral de Empaques S.A.S (600+ employees), leading architecture and a team of 4 engineers.


Currently building

  • MCP Platform — AI agents with structured, permission-aware access to internal SQL + docs Python · FastAPI · Docker
  • Corporate Intranet — HR, quality & traceability platform; Python automator cut doc generation time by 83% Angular · .NET 10 · MySQL
  • VoxPen — TinyML smart marker that recognizes handwritten letters via IMU inference, sends results to a gamified mobile app Edge Impulse · Arduino Nano 33 BLE Sense

What I work with

C# .NET 10  Angular  Python  Spring Boot  Next.js  TypeScript SQL Server  Docker  RabbitMQ  MCP  TinyML  Edge Impulse  AWS


Featured projects

IAM Platform — Centralized identity & access management
JWT RS256, RBAC with per-resource permissions, refresh token rotation, rate limiting, full audit trail. Angular admin portal. Docker on Linux with nginx + TLS. Consumed by every internal application at IE.

C# .NET 10 Angular Docker SQL Server
Medical Voice Command Assistant — 97.4% accuracy KWS for motor-disabled patients
Keyword spotting on Arduino Nano 33 BLE Sense. MFCC + 1D CNN trained in Edge Impulse. 6 voice commands, 16kHz, 97.4% accuracy / 0.97 F1-score entirely on-device. Controls servomotors, buzzer, and LCD via Bluetooth.

Edge Impulse TinyML CNN Arduino
Dattingen — Audit SaaS — Multi-tenant ISO 27001 / ISO 9001 platform
Multi-tenant, multi-role (auditor / manager / admin). Audit criteria auto-generated from standard PDFs. Spring Boot microservices, Next.js, MongoDB, Docker Compose on AWS.

Spring Boot Next.js MongoDB AWS
Multi-Warehouse Inventory — 99%+ reduction in stock inconsistencies
Full traceability across multiple warehouses. SQL Server indexes, views, scheduled tasks, and cache strategies for performance at scale.

C# .NET SQL Server Angular

Stats

 

Certifications

Anthropic — Advanced MCP Topics · Claude Code 101 · Introduction to MCP · Introduction to Subagents (2026)
IBM — Agentic AI with LangChain & LangGraph · ML with Python · AI Engineering Professional (in progress)
Education — B.Sc. Computer Science, Universidad Autónoma de Occidente (Oct 2026 · GPA 4.7/5.0)
English C1 (EF SET)

Pinned Loading

  1. paulomeister/Dattingen paulomeister/Dattingen Public

    TypeScript 1

  2. yorch0-0/prisoners_dilemma yorch0-0/prisoners_dilemma Public

    Vue

  3. ie-MCP-servers ie-MCP-servers Public

    MCP servers de Integral de Empaques (mirror publico sanitizado)

    Python

  4. TinyML-Course TinyML-Course Public

    Colección de 3 proyectos TinyML para dispositivos embebidos

    Jupyter Notebook

  5. Outlook-Exchange-MCP-Server Outlook-Exchange-MCP-Server Public

    JavaScript