
Matheus Balduino
Senior Full-Stack Software Engineer | .NET & React
Salary / Daily rate
Valencia, Spain
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Full-stack developer with 5+ years specializing in .NET, React, and Node.js for scalable web applications. Delivered government systems and fintech solutions using microservices, CI/CD automation, and modern frameworks. Expert in API development and system integration with focus on performance optimization and agile delivery.
Work experience
Software Engineer
freelance
Apr 2025 - Present
1 year 7 months
Spain · Remote
Freelance web developer focused on building and enhancing websites with modern technologies. In charge of designing and delivering features following agile best practices. Proficient in automating deployments through CI/CD pipelines with GitLab. Well-versed in TypeScript, C#, .NET Core 8, and JavaScript
Software Developer Full Stack
Serpro
Sep 2024 - May 2025
9 months
São Paulo, State of São Paulo, Brazil
Working for the government of Brazil, developing and improving websites using Node.js technologies and PostgreSQL. Responsible for designing and implementing features with Scrum methodology. Experienced in deployment automation with CI/CD pipelines using GitLab. Skilled in TypeScript, C#, .NET Core 8, and JavaScript.
Full Stack Developer
Laqus
Dec 2022 - Aug 2024
1 year 9 months
São Paulo, State of São Paulo, Brazil
I work as a developer at Laqus, where I engage in API development and client integration using REST API and microservices technologies. I follow good programming practices, such as SOLID principles, design patterns, and scalable structures. As a FullStack developer, I use Angular and React frameworks to create responsive interfaces for websites to work on different devices. I am also involved in the development of microfrontends. I have participated in significant API integration projects and contributed to the creation of different .NET and NestJS project modules with scalable structures. Projects: I participated in the implementation of the back office for Laqus for the issuance of financial instruments, developing the process from request to issuance. I built the frontend interfaces for the user and, furthermore, I was responsible for implementing the APIs for the request and issuance of these financial market transactions. Technologies I use on a daily basis: .NET, C# NestJs with NodeJs, Typescript React and Angular with Typescript SQS, RabbitMQ Docker
Back-end NodeJs Developer
TechSavvy Brasil
Mar 2022 - Dec 2022
10 months
Ribeirao Preto - Ribeirão Preto, State of São Paulo, Brazil
I'm NodeJs back-end developer currently programming product's features for an fintech company, responsible for e-commerce gateway, POS and Billets. I integrate systems and refact code with the SOLID principles. I'm Learning and Practicing the latests back-end technology as Kafka, framework Adonis and Background Jobs Monitor Bull, Working as a team with gitflow in a young and engaging company. AdonisJs framework.
Junior Web Developer
Unimed Ribeirão Preto
Jan 2021 - Dec 2021
1 year
Ribeirao Preto - Ribeirão Preto, State of São Paulo, Brazil
Web system development for Unimed Company. System integration with REST APIs, development of Windows services and website development for customers and internal tasks. C# .Net Core, Angular Typescript technology.
Junior Web Developer
Garden Marketing Digital
Sep 2020 - Jan 2021
5 months
Ribeirao Preto - Ribeirão Preto, State of São Paulo, Brazil
JavaScript Backend web system development for Wix platform. Knowledge of Wix Velo API Development for advanced Wix Websites and REST API Website Integration.
Assessor de Projetos Desenvolvedor Web
CompAct Jr
Oct 2019 - Aug 2020
11 months
Santa Maria, RS, Brazil
Website Development systems with Nodejs, HTML, CSS and Bootstrap framework. Realization of programming training to young college students and development of projects with young and engaged team.
Education
Faculdade Reges de Dracena
Graduação
2021 - 2022
2 years
Universidade Federal de Santa Maria
Análise de Sistemas de Computação
2019 - 2020
1 year 7 months