andres nieto
@andresnieto
I build production ERP, automation, API integration, and IoT systems from backend to frontend.
ColombiaWhat I'm looking for
I've been the sole engineer behind a production ERP for Colombiana de Válvulas y Rejillas SAS, covering sales, inventory, delivery notes, production planning, and HR. I built its Clean Architecture backend with FastAPI, SQLAlchemy, Pydantic, and PostgreSQL, reducing a critical screen from roughly 500 SQL queries to one.
I build secure, testable full-stack systems with React, TypeScript, RBAC, Row Level Security, OAuth 2.0/OIDC, and Microsoft Entra ID. At Intelisoft Software, I delivered approval workflows and document traceability for Cenit, migrated a legacy database while preserving audit history, and produced API and deployment documentation.
I've also automated Google commercial sales tracking with AppSheet and Google Apps Script, integrated ESP32 biometric attendance hardware into a live dashboard, and built ML/NLP projects in Python. I'm a final-year Mechanical Engineering student and hold a Machine Learning & Data Science diploma.
Experience
Work history, roles, and key accomplishments
Full Stack Developer
Colombiana de Válvulas y Rejillas SAS
Jan 2022 - Present (4 years 8 months)
Sole engineer on a full ERP in production, covering sales, inventory, delivery notes, production planning, and HR. Built a Clean Architecture backend with FastAPI, SQLAlchemy, and Pydantic, and a modular React frontend with TypeScript, TanStack Query, and Zustand.
Designed and deployed an end-to-end sales-tracking system using AppSheet and Google Apps Script, flagging closed deals with no cloud consumption started. Replaced manual tracking with automated, real-time revenue-risk alerts for the commercial director.
Full Stack Developer
Intelisoft Software
Feb 2026 - May 2026 (3 months)
Built multi-level approval workflows with full document traceability for Cenit, implemented Microsoft Entra ID SSO via OAuth 2.0/OIDC, and led a legacy database migration preserving audit history. Delivered architecture diagrams, API specs, and deployment guides under Agile/Scrum.
Education
Degrees, certifications, and relevant coursework
Universidad Nacional de Colombia
Bachelor of Engineering, Mechanical Engineering
2020 -
Pursuing a Bachelor of Engineering in Mechanical Engineering, currently in the 9th semester.
Universidad Nacional de Colombia
Diploma, Machine Learning and Data Science
2025 - 2025
Grade: 5.0 / 5.0
Completed a Diploma in Machine Learning and Data Science with a grade of 5.0 out of 5.0.
Tech stack
Software and tools used professionally
Availability
Location
ColombiaAuthorized to work in
Portfolio
andresfel1pe410.github.io/PortafolioJob categories
Skills
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