João Henrique - Portfolio

About me

I'm a Software Engineer from Brasília, Brazil, specializing in developing robust web systems for financial and insurance sectors. I enjoy transforming complex business requirements into clean, scalable, and maintainable code solutions.

My expertise lies in building full-stack applications with Java and JavaScript backends paired with Angular and React frontends. I thrive in collaborative environments using agile methodologies, where I can contribute to refactoring legacy systems and implementing cutting-edge technologies. My aim is to deliver high-quality software that balances technical excellence with business value. Throughout my career, I've developed applications for prominent financial institutions including Banco do Brasil and MAPFRE.

What i'm doing

Web development

High-quality development of sites at the professional level.
Mobile apps

Professional development of applications for iOS and Android.

Resume

Education

UniAmericas - Computer Science
2023 — Present
Pursuing a degree in Computer Science, developing advanced knowledge in programming, algorithms, and software development methodologies. Focusing on practical applications of modern software engineering concepts, particularly in enterprise environments.

Certifications

Alura Programming Certifications
2021 — 2022
Completed multiple professional certifications focused on Java, Object-Oriented Programming, version control systems, and web fundamentals. These include: Java OO, Java JRE and JDK, Git and Github workflows, Linux terminal operations, and HTTP protocol fundamentals.
Google UX Design Fundamentals
February 2024
Completed Google's professional certification in User Experience Design fundamentals, gaining insights into creating intuitive and accessible interfaces, understanding user needs, and implementing modern design principles in digital products.

Experience

Programmer I - FullStack
May 2022 — Present
Working at Coopersystem on the BB Auto Insurance/MAPFRE project, developing and maintaining mission-critical insurance applications using Java for backend development and Angular for frontend interfaces. Leading significant refactoring efforts of legacy Backoffice services to improve code quality and maintainability. Implementing new features across multiple channels including Backoffice, Personal Banking, and Corporate Banking platforms. Actively participating in agile ceremonies and contributing to architectural decisions.
Backend Developer - Internship
July 2021 — May 2022
Contributed to the development of Curia at Coopersystem, a virtual assembly voting platform created in response to pandemic needs. Implemented features using NodeJS and GraphQL in a modern microservices architecture. Responsible for maintenance and bug fixing to ensure application stability and reliability. Collaborated in an agile development environment with continuous delivery practices, gaining experience in modern development workflows.
FullStack Developer - Trainee
February 2021 — February 2022
Developed a platform for the photovoltaic energy market at CYTEI, connecting consumers and suppliers of solar energy solutions. Implemented responsive interfaces with React, developed RESTful APIs with Python, and maintained the company's WordPress site. Collaborated directly with stakeholders to understand business requirements and convert them into technical solutions. Gained valuable experience working in a startup environment with emerging green energy technologies.

Languages

Portuguese
Native Proficiency
Native language with complete fluency in both verbal and written communication.
English
Advanced Proficiency
Advanced professional proficiency in English, enabling effective technical communication, documentation, and collaboration in international environments.