Javier Madrid

Software architect and consultant

I build custom enterprise systems to automate processes, centralize information, and connect applications. I handle the analysis, architecture, development, and production deployment.

At Grupo Premier: 14 projects supporting operations across 48 dealership locations and 15 automotive brands.

Sinaloa, Mexico +52 667 174 53 72 fjavierm333@gmail.com LinkedIn

Experience

Founder — Nucleu

Apr 2024 – Present (alongside Grupo Premier)

Nucleu is a business management platform that connects purchasing, production, inventory, sales, and deliveries across multiple locations.

  • I defined the product and its architecture. I am responsible for web and mobile development and its ongoing technical evolution.
  • It brings together finance, projects, inspections, asset and fleet maintenance, and workforce management, with lot and serial-number traceability, field evidence, and process alerts.
Visit Nucleu

Software Architect — Grupo Premier

Jul 2023 – Present

  • I designed and built systems for vehicle and parts inventory, service department operations, documents, fixed assets, travel expenses, and administrative processes.
  • I integrated dealership data and was responsible for analysis, architecture, development, deployment, and support.
  • I created a reusable foundation that reduced the technical setup for new systems from weeks to one day.
View Grupo Premier projects

CTO — Navi Systems

Apr 2022 – Apr 2023

  • I led a team of two developers and defined a system to track produce losses in cold storage, based on interviews in Pharr, Texas.
  • I designed the architecture and built the API with NestJS and PostgreSQL and the interface with Vue.js. The project was stopped before commercial launch after a decision by the partners.

Founder and Director — Revsys, S.A. de C.V.

Oct 2010 – Dec 2021

  • I operated the company as an Apple Authorized Service Provider from 2011 to 2015, then redirected it toward software development for service and inventory operations.
  • I built a web and Android system to manage coupons at 30 community dining sites for the Government of Sinaloa, with QR codes, on-site validation, and real-time reports.
  • I built a system to manage service orders, devices, parts, and repairs at seven of Coppel's Apple service centers.

Full-stack JavaScript Developer — eSoft

May 2019 – Sep 2021 (alongside Revsys)

  • I built web applications and REST APIs with JavaScript, Express, Vue.js, and MongoDB for real estate, agricultural, and industrial clients.

Project Lead — Coppel

Oct 2015 – May 2017 (alongside Revsys)

  • I defined and documented operating processes for the Apple Authorized Service Provider, supported the opening of seven new centers, and delivered Apple-certified courses to 16 technicians.

Technologies and technical skills

Languages
TypeScript, JavaScript, Python, Swift, Kotlin, SQL
Backend
NestJS, Node.js, Express, Django, APIs REST, WebSockets
Frontend and mobile
React, Vue.js, Vite, Tailwind CSS, iOS (Swift), Android (Kotlin)
Data
PostgreSQL, SQL Server, MongoDB, Redis, TypeORM
Cloud and infrastructure
AWS, Docker
Security
Authentication, role-based authorization, MFA, OWASP
Applied AI
Language models with structured output, document OCR

Continuing education

Continuing education in software architecture, backend and frontend development, databases, and computer vision. Coursera, Platzi, OpenCV University, Udemy.

Languages

Spanish (native) · English (advanced)