Guilherme Bandeira

Senior Software Engineer | C# .NET

Salary / Daily rate

Joinville - Pirabeiraba, Joinville - State of Santa Catarina, Brazil

Freelance, open to permanent contract

Skills

C#ReactMicrosoft SQL Server.NETHTMLBootstrapTypescriptPythonPostgreSQLSQLiteRedisSassJavascriptVueNodeAzureCSSMongoDBMySQLRabbitMQKafkaAWS

Languages

English

About me

Intro

Senior Software Engineer with 4+ years in C#/.NET specializing in scalable e-commerce platforms and microservices architecture. Expert in full-stack development with proven experience building distributed systems, WMS/TMS solutions, and CI/CD pipelines. Ready to deliver robust, high-performance applications that drive business growth.

Links

Work experience

Senior Software Engineer

OpenFlow

Oct 2025 - Present

1 year 1 month

Spearheading the end-to-end design and development of a robust, scalable e-commerce platform using the .NET technology stack. My role focuses on applying refined software engineering principles and architectural patterns to build a high-performance, maintainable, and secure system that directly drives business revenue.

Software Engineer

Grupo Senff

Nov 2024 - Oct 2025

1 year

Curitiba, State of Paraná, Brazil

I am a member of the credit and collections team at Senff, where I architect and develop new solutions and functionalities for our projects. My technical focus is on designing and building distributed systems using microservices, C#, and the .NET ecosystem, while employing solid software architecture principles and design patterns.

Full Stack Engineer

MTM Sistemas

Jun 2024 - Dec 2024

7 months

Curitiba, State of Paraná, Brazil

As a Software Engineer, I specialize in developing and deploying solutions for Warehouse Management Systems (WMS) and Transport Management Systems (TMS). My core responsibilities include architecting and implementing CI/CD pipelines for application deployment. I leverage a strong technical stack including microservices, C#, .NET, and cloud technologies, guided by solid software architecture and design patterns to build scalable and efficient systems.

Full Stack Engineer

MyTechWare

Jan 2022 - Jul 2024

2 years 7 months

Curitiba, State of Paraná, Brazil

Responsible for architecting, modeling, developing, documenting, and deploying secure, end-to-end applications for management and monitoring. I lead full-stack development utilizing a tech stack of C#, .NET for backend services, and JavaScript with Vue.js for frontend interfaces, ensuring robust and scalable solutions.

Junior Software Developer

Quantum

Jun 2021 - Jan 2022

8 months

Alm. Tamandaré - Cachoeira, Alm. Tamandaré - PR, Brazil

At Quantum I was part of manufacturing engineering, ensuring the quality of manufactured electronic products and in the development of embedded systems for electronic circuits.

IT Infrainstructure

Electoral Court of Paraná

Mar 2019 - Dec 2020

1 year 10 months

Curitiba, State of Paraná, Brazil

I was very responsible for working for the Electoral Court. I worked in IT support for the 2020 municipal elections in Almirante Tamandaré. I performed several activities such as testing software for vote counting, registering candidates, and maintaining electronic ballot boxes with the Linux operating system.

Trainee

Caixa Econômica Federal

Feb 2016 - Jan 2017

1 year

Curitiba, State of Paraná, Brazil


Education

Universidade Federal do Paraná

Bacharelado

2023 - 2028

5 years 10 months

Portfolio

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