Sergio Aguirrre

Frontend Developer

Nuevo León, México

[email protected]

LinkedIn Profile

Spanish (Native), English (Fluent)

Professional Summary

Frontend architecture specialist with expertise in Angular component-based design and AI integration. Experienced in building responsive single-page applications with robust state management and implementing secure authentication systems for enterprise clients.

Core Competencies

Frontend Architecture
Build production-ready projects from scratch using Angular, component-based design, RxJS reactive programming, and TypeScript.
Backend Development
Proficient in RESTful services, JWT authentication, WebSockets, and database design for scalable applications.
AI Integration
Expertise in LLM implementation, RAG architecture, embedding models, vector databases, and context-aware systems.

Experience

Frontend Developer at Bancrea

2023 - Present (1 year, 8 months)

  • Architected high-security biometric validation system with component-based design principles
  • Developed SOLID-based customer onboarding with automated validation and state management
  • Implemented banking-grade security protocols and encryption for authentication systems
  • Created secure dataflow architecture for credit processing with robust error handling
  • Integrated core banking APIs with comprehensive validation and optimization
  • Ensured compliance with banking regulations through structured data protection
  • Built responsive single-page applications using Angular modules/services, TypeScript, and reactive programming with RxJS
  • Led Angular legacy code migration to modern architecture with lazy loading implementation

Frontend Developer at SUNOM

2020 - 2023 (3 years)

  • Drove end-to-end frontend architecture from UI/UX implementation to production deployment
  • Built responsive landing pages with cross-browser compatibility and 100% mobile optimization
  • Developed complex multi-step form system with state management handling enterprise-level data validation
  • Optimized application performance through strategic component design and lazy loading
  • Implemented Agile methodology in development workflow with SCRUM practices

Technical Skills

Frontend
TypeScript JavaScript RxJS Angular Component-based Design Single-page Applications State Management Responsive Design HTML5/CSS3 Bootstrap Cross-browser Compatibility Lazy Loading Performance Optimization Three.js A-Frame
Backend
Python Node.js Express NestJS .NET CORE RESTful Services API Integration Authentication Systems TypeORM Database Design MySQL PostgreSQL WebSockets JWT
Integrations & APIs
OpenAI API LLM Implementation RAG Architecture Embedding Models Vector Databases Context-aware Systems Prompt Engineering Multimodal AI Stripe E2E Encryption Biometric Validation Email Services
Development Processes
Agile Methodology SCRUM/Kanban Git Workflow Code Review GIT SVN .BAT/.BASH Scripting Docker Images

Projects

zenia.cc

Visit

AI Companionship Platform

  • Implemented advanced LLM system with RAG architecture using OpenAI embeddings and custom model integrations
  • Designed scalable vector database for embedding models using PostgreSQL for efficient similarity search
  • Built real-time chat system using WebSocket technology for seamless bidirectional communication
  • Developed context-aware systems with JWT authentication for secure user sessions
  • Integrated subscription-based payment system using Stripe API with webhook integration
  • Architected cloud storage solution using Cloudflare R2 for efficient asset management
  • Created high-performance vector similarity search for context-aware AI responses using prompt engineering

CEMEX Hackathon 2024 - 2nd Place

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Autek: AI-Powered E-commerce Optimization

  • Implemented multimodal AI for product recognition using embedding models
  • Optimized sales channel through personalized data analysis with context-aware systems
  • Streamlined purchase flow using component-based design reducing clicks-to-conversion
  • Applied state management across the CEMEX product ecosystem
  • Enhanced responsive design with AI-powered features using prompt engineering

experimentalfilms.online

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Experimental Films Curation Platform

  • Built single-page application with Angular frontend architecture and Express.js RESTful services
  • Implemented API integration with Vimeo for optimized content delivery
  • Developed custom curation system with reactive programming and state management
  • Created cross-browser compatible interface with responsive design principles

virtual.kwalhia.com

UNDER CONSTRUCTION

Virtual Reality Art Exhibition Platform

  • Architected immersive 3D VR environments for art exhibitions using A-Frame and HTML5
  • Developed backend services with .NET Core for scene management and content delivery
  • Integrated OpenAI API for generative art descriptions and interactive gallery experiences
  • Implemented modular component system for dynamic environment creation and spatial audio
  • Built reactive space generation using procedural algorithms with optimized rendering
  • Created API endpoint architecture for seamless integration between frontend and .NET services
  • Designed scalable content management system for artists to upload and display virtual works

Education

Bachelor Degree

Audiovisual Language and Production - UANL 2016