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Miguel Puentes
Full Stack Software Engineer | Cloud & Applied AI
Full Stack Software Engineer with over 5 years of experience building scalable, modular web applications, specializing in cloud-native architectures, event-driven distributed systems, and production-grade reliability. Proven track record working on resilient financial platforms. Holds AWS Certified Cloud Practitioner (CCP) and Azure AZ-900 certifications. Focused on building robust, loosely coupled systems and bringing engineering rigor to emerging AI integrations. Open to relocation for the right opportunity.
Current Focus: Applied AI Engineering
Model Context Protocol (MCP)
Standardizing secure, production-grade communication between LLMs and external data sources/tools.
AI Integration Architecture
Focused on the valuable production layer - observability, reliability, and secure context injection.
Skills
Cloud & Infrastructure
AWS (Lambda, API Gateway, S3, Textract, EC2), Azure (AZ-900 certified)
AI & LLM Integration
MCP , LLM workflow design, secure context injection, AI observability
Backend & Services
Python (FastAPI, scripting), Node.js, Express.js, RESTful APIs
DevOps
Terraform, Linux CLI
Databases
PostgreSQL, MongoDB, DynamoDB
Frontend Technologies
TypeScript, JavaScript (ES6+), RxJS, HTML5, CSS3
Frameworks
Angular, React (Hooks), Journey Maestro (enterprise banking framework)
Professional Practices & Tools
Git (GitHub, Bitbucket), Jira, Agile/Scrum, SOLID Principles, Clean Code
Certifications
AWS Certified Cloud Practitioner, Microsoft Azure Fundamentals
Professional Experience
IDS
Senior Developer - Remote
May 2022 - Feb 2026 05/22 - 02/26- Led frontend development of a customer retention feature within a large-scale banking platform, integrating with backend services to support dynamic product eligibility.
- Optimized complex form processing logic within an enterprise framework, reducing processing time by 20% and improving overall system responsiveness.
- Development of a Proof of Concept (POC) for OCR to automate information capture in forms, with the aim of assessing technical feasibility and supporting business decision-making.
- Contributed to the end-to-end delivery of new financial products (credit cards, card extensions, payroll credit), ensuring frontend-backend alignment and production readiness.
- Improved release stability by proactively identifying and resolving defects during development cycles, ensuring high-quality releases and reducing production incidents.
- Worked in cross-functional Agile teams, collaborating closely with backend developers, QA engineers, and product managers to deliver features on time and meet business requirements.
CDIS UANL
Developer - Remote
March 2020 - August 2021 03/20 - 08/21- Played a key role in the successful migration of a large-scale project from Angular 4 to Angular 10, including the migration of numerous third-party libraries used through npm. This involved identifying and updating compatible library versions, ensuring seamless integration with the new Angular framework, and resolving any compatibility issues. The project resulted in significant performance and scalability improvements.
- Developed and optimized various Angular components, including data grids, forms, and interactive charts, resulting in a more intuitive and user-friendly interface. Additionally, I actively contributed to backend bug resolution using Java/Spring, ensuring a seamless user experience and a robust, high-performing application.
Education
Universidad Autónoma de Nuevo León
Software Engineer [2015–2022]Featured Project
Automated ID Verification Platform (Mexican National ID - INE)
- Application & Cloud Architecture: Designed and developed a secure serverless platform using React, Node.js, TypeScript, and AWS to automate ingestion and verification of Mexican National ID (INE) documents. Built an event-driven processing pipeline triggered by cloud storage events for near real-time document processing.
- Infrastructure Automation & Data Security: Developed modular Terraform configurations to automate infrastructure provisioning across multiple environments. Implemented strict AWS IAM policies and pre-signed URL workflows to enforce secure document access and protect sensitive user data.