I started my career in 2009 working with Oracle PL/SQL, where I spent almost nine years building a strong foundation in database development. During this time, I also worked with Java (JSF), which opened the door to broader software development. In the following years, I fully transitioned to web development, where I have been focusing on both frontend and backend, with a strong emphasis on Angular (working with Angular 2+ since 2016 and Angular 10+ since 2020). More recently, I have also been exploring Flutter, developing small applications since early 2022, always driven by curiosity and the desire to keep learning and expanding my technical toolkit. - Bachelor's degree in Analysis and Systems Development Primary databases: - Oracle - PostgreSQL - SQL Server - MySQL Backend: - Java - Spring Boot - Node - Python Frontend: - Angular - Flutter

Mateus da Silva Barcelini

I started my career in 2009 working with Oracle PL/SQL, where I spent almost nine years building a strong foundation in database development. During this time, I also worked with Java (JSF), which opened the door to broader software development. In the following years, I fully transitioned to web development, where I have been focusing on both frontend and backend, with a strong emphasis on Angular (working with Angular 2+ since 2016 and Angular 10+ since 2020). More recently, I have also been exploring Flutter, developing small applications since early 2022, always driven by curiosity and the desire to keep learning and expanding my technical toolkit. - Bachelor's degree in Analysis and Systems Development Primary databases: - Oracle - PostgreSQL - SQL Server - MySQL Backend: - Java - Spring Boot - Node - Python Frontend: - Angular - Flutter

Available to hire

I started my career in 2009 working with Oracle PL/SQL, where I spent almost nine years building a strong foundation in database development. During this time, I also worked with Java (JSF), which opened the door to broader software development.

In the following years, I fully transitioned to web development, where I have been focusing on both frontend and backend, with a strong emphasis on Angular (working with Angular 2+ since 2016 and Angular 10+ since 2020).

More recently, I have also been exploring Flutter, developing small applications since early 2022, always driven by curiosity and the desire to keep learning and expanding my technical toolkit.

  • Bachelor’s degree in Analysis and Systems Development

Primary databases:

  • Oracle
  • PostgreSQL
  • SQL Server
  • MySQL

Backend:

  • Java
  • Spring Boot
  • Node
  • Python

Frontend:

  • Angular
  • Flutter
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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Portuguese
Fluent
English
Advanced
French
Beginner

Work Experience

Senior Developer at Natixis in Portugal
November 1, 2024 - October 28, 2025
Full stack development; frontend Angular application; development and improvements to the internal Angular component library; planning and mapping of new screens and dashboards; mentoring Junior and Medium developers; backend development with Spring Boot.
Senior IT Consultant at Aubay Portugal
November 1, 2024 - November 1, 2024
Full Stack development for Natixis client; frontend Angular application; improvements to internal Angular component library; planning new dashboards; support to junior developers; backend processes in Spring Boot.
Master Developer Analyst I at Hexagon (Agriculture division)
September 1, 2023 - September 1, 2023
Web and mobile development; Flutter front-end mobile app; maintenance of AngularJS and Angular 2+ web projects; created and maintained internal library of Angular 11 components; planned and implemented new screens/dashboards; mentored new team members; backend in Java and Python; API development using Spring Boot and Python.
System Analyst at Pedra Agroindustrial S/A
December 1, 2015 - December 1, 2015
Development and programming in Oracle (Forms and Reports), Java, BI, Pentaho; Java (JSP and JSF) for internal systems and processes.

Education

General English at Oxford House College
April 4, 2022 - April 29, 2022
Technological Systems Analysis and Development at UNIP – Universidade Paulista
June 1, 2018 - June 1, 2020

Qualifications

REST APIs from 0 to AWS with Spring Boot 3 Java and Docker
September 1, 2023 - October 28, 2025
Android and IOS development with Flutter - Create 15 Apps
November 1, 2022 - October 28, 2025
Back end of a Virtual Store with Parse Server + Pix Payment
October 1, 2022 - October 28, 2025
Angular - The Complete Guide (2020 Edition)
June 1, 2020 - October 28, 2025

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education, Other