
Jeive Gonçalves
Senior Full Stack Developer | .NET & Blazor
Salary / Daily rate
Araçatuba, State of São Paulo, Brazil
Freelance
Skills
About me
Intro
Full-stack developer with 9+ years of expertise in .NET, Blazor, and modern JavaScript frameworks. Proven experience building scalable web applications, microservices architectures, and mobile solutions across diverse industries including fintech and enterprise systems. Specialized in legacy system modernization and end-to-end development—from IoT integrations to cloud-native APIs—delivering robust, maintainable solutions that drive business results.
Work experience
Full Stack Software Engineer
DevSyste
Jul 2015 - Present
11 years 4 months
Rio de Janeiro, State of Rio de Janeiro, Brazil
Experience in the development of comprehensive solutions, including web applications, backend services (.Net Core API), and frontend applications (web and mobile interfaces). Additionally, I have expertise in maintaining legacy systems built on the .Net platform, such as Webforms, ASP.Net MVC, Webservices, WCF, Web Api, and Classic ASP. I am also skilled in working with Blazor applications, both Server-Side and Client-Side, and have experience in integrating with IoT and SAP Connector technologies.
Senior Systems Analyst
Spassu
Feb 2021 - May 2024
3 years 4 months
Rio de Janeiro, State of Rio de Janeiro, Brazil
Senior Software Developer
Souza e Toledo Engenharia e Arquitetura de Software
Feb 2023 - Mar 2023
2 months
São Paulo, State of São Paulo, Brazil
Senior Software Developer
Cadmus Soluções em TI
Jan 2021 - Jan 2023
2 years 1 month
São Paulo, State of São Paulo, Brazil
At Vítreo, I served as a developer in the profitability area, participating in the migration of legacy systems to C#, Java, and automation technologies. At Cadmus, I worked as a developer on the external Beefor project, an agile project management platform, utilizing Angular and C# 3.1, as well as both relational and non-relational databases.
.NET backend developer
IBM
Dec 2020 - May 2021
6 months
São Paulo, State of São Paulo, Brazil
During the Itau project, I had the opportunity to contribute to the implementation of new legal functionalities, including the creation of APIs and information capture bots. Throughout this project, I was able to apply my expertise in C#, SQL Server, Power Design, and DevOps to assist in delivering high-quality solutions to the client. Additionally, I collaborated with a highly skilled team to meet the project's specific requirements, thereby ensuring the delivery of efficient and reliable solutions.
Full Stack Developer .NET
Neki IT
Jul 2019 - Jul 2020
1 year 1 month
Petrópolis - Cascatinha, Petrópolis - State of Rio de Janeiro, Brazil
As a mobile developer, I have extensive experience in app development for both Android and iOS platforms using Xamarin technology. Additionally, I possess deep knowledge in integrating mobile applications with back-end systems, particularly with ASP Core technology and Java web services. I employ a development approach based on industry standards and best practices, thereby ensuring the quality and scalability of the solutions developed. I have experience across the entire development cycle, from concept and architecture to implementation and publishing in app stores.
Full Stack Software Engineer
Spark Consultoria
Apr 2019 - Dec 2019
9 months
São Paulo, State of São Paulo, Brazil
Experienced in back-end technologies, I have developed strong skills in building RESTful APIs using Node.js, ensuring high availability and scalability of the solutions. Additionally, I've had the opportunity to work with microservices, gaining an understanding of best practices for constructing complex, distributed, and highly scalable systems. As a front-end developer, I also have extensive experience in building Content Management Systems (CMS) using PHP, ensuring their customization and ease of use. Furthermore, I have experience in database integrations and the development of responsive web pages, thereby providing an excellent user experience.
Mid-level Full Stack .NET Developer
Radix Engenharia e Software
Sep 2018 - Oct 2018
2 months
Rio de Janeiro, State of Rio de Janeiro, Brazil
Software development with extensive experience in using C# and WPF as the user interface platform. We rigorously apply the MVVM (Model-View-ViewModel) design pattern to ensure code organization and ease of maintenance. We adhere to the philosophy of Clean Code to maximize the readability, maintainability, and performance of the software produced. Additionally, we maintain source code integrity through integration with TFS (Team Foundation Server), facilitating team collaboration and management.
Junior Customer Success Specialist (BR)
Hostinger International
Sep 2016 - Jul 2018
1 year 11 months
Santa Catarina, Nuevo Leon, Mexico
Customized technical support for domain hosting, including service monitoring, system configuration on operating systems like Ubuntu, Centos, and Windows Server, as well as support for PHP code optimization and improvements.
Licenses & certifications
Software Engineer Intern
Issued: Dec 2024
Software Engineer
Issued: Nov 2023
SQL (Advanced)
Issued: Nov 2023
SQL (Intermediate)
Issued: Apr 2023
SQL (Basic)
Issued: Apr 2023
JavaScript (Intermediate)
Issued: Apr 2023
JavaScript (Basic)
Issued: Apr 2023
C# (Basic)
Issued: Apr 2023
Angular (Intermediate)
Issued: Mar 2023
Angular (Basic)
Issued: Mar 2023