Gabriel de Moura
Back-end Developer | Node.js | SQL
IT professional with over 4 years of experience in production environments, working at the intersection of L2 technical support and development. I have built internal applications with Node.js, Express, and React, write advanced SQL queries (T-SQL, MySQL, PostgreSQL), and maintain integrations with marketplaces and e-commerce platforms via REST APIs. Currently pursuing an Associate Degree in Systems Analysis and Development.
Professional Experience
Procfit
Senior L2 Support Analyst
- ▹Developed an internal monitoring system with Node.js (Express), MariaDB, and React that identifies recurring failures and anticipates problems before they impact client operations, reducing critical incidents by 85%.
- ▹Implemented proactive error detection routines based on application log analysis, anticipating 80% of monthly occurrences that previously reached the client as support tickets.
- ▹Stabilized and maintain integrations with marketplaces (iFood, FAPP, CR, Rappi) and e-commerce platforms (VTEX, WooCommerce, Magento), working alongside internal IT teams and client technical teams.
- ▹Optimized SQL queries (joins, indexes, execution plans) used to investigate and fix data inconsistencies in production environments.
- ▹Handled an average of 70 L2 tickets/month, performing root-cause diagnosis and documenting solutions to reduce recurrence.
- ▹Progressed internally from L1 Assistant to Senior Analyst, through Senior Assistant, Junior Analyst, and Mid-Level Analyst; now provides technical support to L1/L2 colleagues in triaging complex cases.
Poupafarma
Sales Assistant
- ▹Served customers in a high-traffic store, translating technical medication information into clear guidance -- the foundation for the non-technical user communication I apply in support today.
- ▹Organized operational routines for receiving goods, inventory control, and administrative support, with attention to process, prioritization, and record accuracy.
Skills
Languages & Frameworks
Databases
Tools & Practices
Languages
Education
Universidade Presbiteriana Mackenzie
Feb/2026 -- Jun/2028Associate Degree in Systems Analysis and Development (in progress)
São Paulo -- SP
Courses & Certifications
Cultura Inglesa
English -- Upper Intermediate II
- ▹English as a Second Language Learning
curso.dev / Alura / Udemy
Technical Training in Back-end Development
- ▹Node.js with Express: building REST APIs, route organization, middlewares, and architecture best practices.
- ▹Applied SQL (MySQL and T-SQL): data modeling and queries focused on performance, joins, indexes, and data analysis.
- ▹Automated testing, CI/CD, version control with Git, Linux, and computer networks.
Featured Projects
Internal Monitoring System API
API developed using Node.js, MariaDB, and React to identify and proactively address integration failures for marketplaces and e-commerce platforms.
Internal Monitoring System FrontEnd
FrontEnd developed using Node.js, MariaDB, and React to identify and proactively address integration failures for marketplaces and e-commerce platforms.
Task Management API
Robust REST API developed in .NET 8 using Dapper and SQL Server, applying the Repository Pattern for efficient task management and data persistence.
SNGPC Validator
Client-side validator for SNGPC (Brazilian ANVISA) XML transmission files: parses and validates everything locally in the browser (header, movement items, invoices, and prescriptions), pinpointing the reason for each error before a real transmission.