I am a passionate Senior .NET Backend Developer with over six years of experience in building scalable APIs and microservices. My journey has led me to work in both the financial and healthcare sectors, allowing me to develop a robust understanding of complex systems. Currently based in Brisbane on a Student Visa, I am eager to contribute my expertise to a dynamic team while continuing to grow in my career. I thrive on collaborative problem-solving and am committed to implementing best practices in software development. With a strong dedication to clean architecture and test-driven development, I enjoy leading teams to create efficient and user-friendly solutions.

GUILHERME MOTTA MARTINS

I am a passionate Senior .NET Backend Developer with over six years of experience in building scalable APIs and microservices. My journey has led me to work in both the financial and healthcare sectors, allowing me to develop a robust understanding of complex systems. Currently based in Brisbane on a Student Visa, I am eager to contribute my expertise to a dynamic team while continuing to grow in my career. I thrive on collaborative problem-solving and am committed to implementing best practices in software development. With a strong dedication to clean architecture and test-driven development, I enjoy leading teams to create efficient and user-friendly solutions.

Available to hire

I am a passionate Senior .NET Backend Developer with over six years of experience in building scalable APIs and microservices. My journey has led me to work in both the financial and healthcare sectors, allowing me to develop a robust understanding of complex systems. Currently based in Brisbane on a Student Visa, I am eager to contribute my expertise to a dynamic team while continuing to grow in my career.
I thrive on collaborative problem-solving and am committed to implementing best practices in software development. With a strong dedication to clean architecture and test-driven development, I enjoy leading teams to create efficient and user-friendly solutions.

See more

Experience Level

Expert
Expert
Intermediate
Intermediate

Language

Portuguese
Fluent
English
Advanced

Work Experience

Senior Backend Developer at Banco BMG
September 1, 2023 - January 31, 2026
Re-architected the mobile banking login flow by modernizing the underlying API, significantly improving user experience. Led the internalization of fraud detection systems and built ASP.NET Core microservices for high-traffic financial workloads.
Junior → Senior Backend Developer at Avanade (Client: Hospital Albert Einstein)
June 1, 2019 - September 30, 2023
Progressed from Junior to Senior within 4 years, owning complex integration modules and mentoring junior developers. Built and maintained data integration pipelines and worked cross-functionally in Agile/Kanban environments.
Trainee Backend Developer at LinkApi (Acquired by Semantix)
January 1, 2019 - June 30, 2019
Developed backend integrations on a SaaS API platform, gaining foundational skills in REST APIs and Agile workflows.

Education

Associate Degree in Information Technology Management at FIAP
January 1, 2016 - December 31, 2017

Qualifications

Professional Scrum Developer (PSD)
January 11, 2030 - June 8, 2026

Industry Experience

Financial Services, Healthcare
    MottaFit - Complete Gym & Personal Training Management System

    MottaFit is a full-stack gym management platform built with .NET 8 Lambda API and React TypeScript. It gives personal trainers a single place to manage students, workouts, classes, payments, and body assessments — all accessible from any device.

    More info: https://www.twine.net/signin