About me

Who am I?

Hi, I'm Calazans I 've been in the IT market for over twelve years, having worked in a variety of segments (financial, logistics, retail, healthcare and currently e-commerce). I've had the opportunity to work with different technologies and frameworks over the years. In addition, I've also worked as a university professor and in recent years I've been providing in-person and online training.

Architecture

Development

Database

Integrations

Services

Performance

Architecture

Definition/Modeling

Software

.Net Core/NodeJS

DevOps

Azure Devops/Jenkins

Development

Web/Mobile

Database

SqlServer/Oracle/MongoDB

Integrations

RabbitMQ/kafka

undergraduation

Academic background

Centro Universitário Padre Anchieta - Jundiaí, SP

Universidade Metodista de Piracicaba - Piracicaba, SP

Universidade Paulista - Jundiaí, SP

Experience

Professional background

Senior Software Engineer
August 2023 - January - 2025
AutoTrader.ca - Etobicoke, Ontario/CA

Design and develop elegant back-end solutions: technical analysis, implementation and unit testing. Support in maintenance of existing software systems. Perform root cause analysis on system errors, identify corrective actions.

Senior Software Engineer
May 2022 - May 2023
Cox Automotive Inc. - Mississauga, Ontario/CA

Used C#/.Net/Oracle to develop critical components that integrate with vehicle manufacturer systems. Expanded the capabilities of the company's system to facilitate file exchange between the system and Lenders. Designed several critical system components.

.Net Developer
March 2022 - May 2022
Fintech Magalu - São Paulo/SP

Acting directly in the creation of new functionalities and testing them. Use of .Net Core, MongoDB (NoSQL), GitLab, RabbitMQ and SonarQube.

Full-stack Developer
June 2021 - Novembro 2021
ExxonMobil - Curitiba/PR

Working directly on the architecture of new features and integrations, focusing on the continuous improvement of the tool. Working on the front-end (Angular 12), .Net and .Net Core, SqlServer. Using Azure Devops to control activities, code versioning and pipelines.

Especialista de Software
August 2020 - May 2021
Procob Serviços de Cobrança e Informática Ltda. - Jundiaí/SP

Responsible for developing ASP.NET Core 3.1 applications in the distributed services architecture (microservices) Responsible for the DevOps part of the product, such as creating CI and CD pipelines Management of resources in the cloud (Azure Kubernetes Service, Azure Service Bus, Azure API Management, Azure PostgreSQL).

Technical Leader
January 2020 - August 2020
Passarela Calçados - Jundiaí/SP

Technical leadership of the agile development team Design and implement the evolution of the architecture and engineering of the proposed solutions Assist and coordinate automated deployment processes of automated builds and deploys Perform technical refinement of epics and stories Validate the technical content of proposals received from suppliers Review the source code developed by the team Support the product owner in prioritizing the project backlog Restructuring systems with a focus on modernizing the architecture Assess the technical and quality impact of scope changes Support in technical interviews when hiring new people

Instructor
Novembro 2019 - March 2020
TEXS - Jundiaí/SP

Programming in C# 8 language Creating WebAPI .NetCore 2.2 Angular 8 Web Development

Senior Systems Analyst
May 2018 - December 2019
Passarela Calçados - Jundiaí/SP

Participation in the migration of the e-commerce platform Definition of architectural standards and construction of APIs for integration between the virtual store and ERP Development of data migration routines Definition and creation of the build and release process (CI/CD) Development of a system for logical control using .Net Core 2.2, Oracle and Angular 7

Senior Systems Analyst
September 2017 - April 2018
Marfrig Global Foods - Itupeva/SP

Administration and monitoring of the deployment environment Organization of continuous integrations and continuous deliveries (CI/CD) Implementation of the internal portal Angular (front-end) and .Net Core (back-end) Analysis and development of mobile applications using Ionic and .Net Core (API) Support of legacy systems (PHP)

Software Architect
May 2015 - September 2017
Qualicorp - Alphaville/SP

Definition of project architecture Implementation of coding standards Analysis and development of web and desktop systems for auditing materials and medicines Development of data migration routines in Oracle and SQL Server databases

Analista de Sistemas Sênior -
                            Jundiaí/SP

Senior Systems Analyst
May 2012 - March 2015
Voe.IT Sistemas para Varejo - Jundiaí/SP

ERP software development (WebForms and MVC) Mobile development and services for WMS (Windows Forms and Windows Services) Development of communication bus with PLC server (WMS) Versioning of project source code Internal training instructor (Visual C# and Entity Framework)

Analista de Sistemas Pleno/Sênior -
                          Jundiaí/SP

Senior Systems Analyst
Novembro 2009 - April 2012
EagleRay Technology - Jundiaí/SP

Software development (C#, SqlServer, SilverLight, WPF and WCF) Publishing on Windows Azure Project leadership using agile methodology (scrum)

Professor
September 2011 - Novembro 2011
August 2010 - October 2010
Senac - Jundiaí/SP

Professor of Algorithms and Computer Programming

Programador Junior/Pleno - Itupeva/SP

Programmer
May 2006 - October 2009 September 2011 - Novembro 2011
Solve.IT Softwares Empresariais - Itupeva/SP

Analysis and requirements gathering with system users ERP systems development (PHP-GTK, Delphi, SqlServer and C#) Customer Support

Events

Participation in Events

2024 - What's new in .NET 8

2019 - Flutter Talks

2019 - Database Weekend

2019 - 2º Meetup Itu Developers

2019 - Microsoft MVP Conference

2019 - GFT Technology Workshop

2018 - Azure Weekend

2018 - Seller Day B2W

2018 - Open Source Saturday

2018 - Open Source Bootcamp

2018 - Microsoft MVP Conference

2017 - JunDevelopers Open Day

2017 - .Net Core Campinas

2017 - TDC

2015 - TDC

2015 - AutoCom

2014 - Evento Caipira Ágil

2013 - Evento Caipira Ágil

Courses

My Certificates

2025 - Professional Programming with Clean Code

2024 - Docker from Zero to Advanced

2024 - Mastering Kubernetes

2024 - Green Software for Practitioners (LFC131)

2023 - Designing Three-Tier Architectures

2022 - Getting Started with ASP.NET MVC 5

2022 - Mastering Apache Kafka

2022 - Formação Angular (Alura)

2022 - Cloud Native .NET (Docker Definitive)

2021 - Mastering Entity Framework Core

2021 - SQL for Developers

2021 - Mastering Software Testing

2021 - Docker and Kubernetes (KubeDev.IO)

2021 - MasterClass RabbitMQ for .NET applications

2021 - IdentityServer 4 Fundamentals

2020 - GoStack 11 (Rocketseat)

2020 - Advanced Angular Development

2020 - Rich Domain Modeling

2020 - Azure in practice for developers

2020 - Docker and Kubernetes in the Cloud

2020 - Fundamentals of Software Architecture

2020 - OmniStack Week 11

2020 - Creating Web Apps with Angular and Redux

2020 - Frontend using Angular 9 and Firebase

2020 - ASP.NET Core, CQRS e EF Core

2020 - Creating Web Apps with Angular 8 and Ionic 4

2020 - SPA Development with Angular

2019 - Building scalable native apps with Flutter, BloC and Provider

2019 - Creating your first App with Flutter

2019 - ASP.NET Core WebAPI

2019 - Getting Started with ASP.NET Core

2019 - DevOps Essentials Professional Cetificate

2019 - SCRUM Foundation Professional Certificate

2019 - Creating APIs with WebAPI

2019 - C# Fundamentals with Clean Code

2018 - PWA using ReactJS

2018 - Modeling Rich Domains

2018 - Building APIs with ASP.NET Core and EF Core

2018 - Migrating to Angular 2

2018 - Building APIs with ASP.NET Core 2.0 and Dapper

2018 - Working with Guids in Entity Framework

2018 - Working with WebHooks in ASP.NET

2018 - Progressive Web Apps

2017 - AngularJS for .NET Developers

2015 - Building Robust Backends with WebAPI

2017 - Creating APIs with NodeJs

2016 - APIs with WebAPI

2015 - Entity Framework Code-First

2015 - SOLID – Theory and Practice

2014 - DDD Architecture

2013 - Understanding Windows Azure

2013 - Entity Framework 4 Fundamentals

2012 - Fundamentals of software development

2010 - Developing Data Access Solutions with Microsoft

Skills

Key Skills

csharp
dotNetCore
Angular
TypeScrip
SqlServer
Oracle
MySQL
PostgreSql
Docker
Kubernetes
RabbitMQ
MondoDB
AzureDevOps
Git
VisualStudio
Azure
HTML5
CSS3
JavaScript
Jenkins
Contact

let's chat?

São Paulo - Brazil