About Me
I'm Alejandro Herrera Merlo, a Senior Software Engineer based in Aguascalientes, México. With over 6 years of experience building production React/TypeScript systems, my recent focus is architecting and deploying LLM workflows, multi-agent autonomous systems, and vector search pipelines (ChromaDB).
Technical Competencies
AI & Agent Systems
LLM Workflows, Multi-Agent Architectures, Vector Databases (ChromaDB), Vector Search Pipelines, Azure OpenAI API, Prompt Engineering, Autonomous Bug-Triage Agents.
Frontend & Web
React 19, TypeScript, JavaScript, Astro 7, Next.js, Vite, Tailwind CSS, Redux, Island Architecture, Storybook, Vitest, Jest, Test-Driven Development (TDD).
Backend, Mobile & Data
Node.js, Express, MongoDB, SQL / Relational Databases, React Native, Swift (iOS), Ionic, REST APIs, Git & GitLab CI/CD workflows.
Experience Highlights
Senior Full Stack Developer · Platica
Nov 2025 – Aug 2026Aguascalientes, México · B2B AI Platform
- Managed and optimized the core Platica platform, ensuring high availability and seamless integration of AI-driven workflows.
- Designed and deployed an end-to-end bug-triage agent connecting Platica AI, Notion, Cursor, and GitHub, reducing manual issue tracking overhead.
- Architected a high-scale vector search pipeline using ChromaDB to index and query historical agent-client interactions.
- Built a full client API test suite with Vitest, establishing the engineering team's first systematic QA baseline.
Frontend Developer (AI Team) · Softtek
Feb 2023 – Jan 2026Aguascalientes, México
- Led migration of legacy NLP chatbot to GPT-4 via Azure OpenAI API, improving answer quality for thousands of active university students.
- Engineered bot-assisted applications and embeddable chatbot widgets in React with minimize/fullscreen modes.
- Implemented Test-Driven Development (TDD) using Jest & React Testing Library, and introduced Storybook component libraries.
Professor, Web Development & App Security · UTMA
Aug 2023 – Dec 2023Universidad Tecnológica Metropolitana de Aguascalientes
- Taught modern web architectures and application security using React, Astro, and Angular.
- Introduced island architecture, module pattern, observer, and agile SCRUM through hands-on product builds.
Education
Master's Degree, Game Design & Development
Universidad Internacional de La Rioja (UNIR)
Jan 2024 – May 2025
Engineer & Associate in Software Development
Universidad Tecnológica de Aguascalientes
2018 – 2022 · Multiplatform Software Engineering & Management