Guilherme D.
Mobile Engineer - iOS

Skills

.NET

Asp.net

Cascading Style Sheets

Html

Javascript

Swift

Angular

Guilherme is available for hire

Meet Guilherme D.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

Fullstack Developer with nearly three years of experience in web development, focusing on applications including e-commerce awards catalogs, Big Data-centric web platforms, and legal systems for insurance sectors. Proficient in .NET Framework, encompassing both ASP.NET MVC and Core, as well as Javascript and JQuery. Actively exploring career opportunities in native iOS mobile development utilizing Swift.

iOS Engineer
11/1/2022 - Present

Worked extensively on an app, adding new features using Swift and ViewCode alongside ensuring comprehensive unit testing. Governed, sustained, and enhanced the application's journey within a SuperApp, utilizing GitFlow for efficient repository management and version releases. Monitored application crashes and developed data analysis tagging using Google Firebase tools such as Crashlytics and Analytics. Undertook refactoring and creation of screens in the financial flow of the SuperApp, employing SwiftUI for improved user interface. Implemented design patterns such as MVVM/MVVC-C, Coordinator, and Delegates to ensure maintainable and scalable code architecture.
iOS Engineer
10/1/2021 - 11/1/2022

Developed proficiency in Swift, focusing on ViewCode and Unit Tests to enhance functionality. Governed, maintained, and implemented new features for the Itaú Companies app, especially the primary modules such as Login and Home. Managed Merge Requests via thorough Code Reviews and utilized GitFlow for efficient repository and version management. Enhanced app stability and data analytics by monitoring crashes and implementing tagging through Google Firebase tools, including Crashlytics and Analytics. Delivered presentations to new collaborators on the daily technologies and practices employed, and provided mentorship and guidance to interns in iOS development. Demonstrated expertise in applying design patterns such as MVVM and Delegates.
Systems Analyst
7/1/2020 - 9/1/2021

Worked on a web system specialized in the insurance market, adding new functionalities using .NET Core, Entity Framework, SQL Server, Angular, and CSS. Utilized design patterns such as CQRS, DDD, and SOLID to ensure robust and scalable architecture. Developed proficiency in system test automation using Postman, enhancing the efficiency and reliability of the testing process.
Junior Full Stack Developer
11/2/2019 - 6/1/2020

Developed web crawling algorithms for comprehensive data collection across various web pages. Spearheaded the development of a web system with a focus on Big Data, involving restructuring and code refactoring in .NET Core, and the addition of new features. Utilized technologies such as .NET Core, Azure Search, Entity Framework, SQL Server, JavaScript, JQuery, HTML, and CSS. Enhanced system functionalities by integrating Azure Functions.
Intern / Back-end Developer
2/2/2019 - 10/2/2019

Maintained the company's product catalog using ASP.NET MVC and Entity Framework. Made adjustments and added new features to the system, both backend and frontend, utilizing C#, SQL Server, JavaScript/jQuery, HTML, and CSS. Managed and developed Web APIs for internal security using JWT and .NET Core, applying Domain-Driven Design (DDD) concepts. Developed a console application to convert JSON to Excel spreadsheets for internal use, leveraging the Panda library and JSON in Python. Deployed web applications on Windows IIS server.
Internship / Oracle Experience Consultant
3/2/2018 - 1/1/2019

Developed and implemented CRM systems with a specialization in Oracle Engagement Cloud. Analyzed functional specification documents to develop tailored client solutions using the CRM’s capabilities through configuration and Groovy Scripts. Generated comprehensive reports and Business Intelligence analyses based on client demands.