Gustavo User
@gustasimao
Backend developer specializing in PHP/Laravel REST APIs, domain-driven design, and relational database integration.
What I'm looking for
I’m a Backend Developer focused on building REST APIs with PHP and Laravel, with a strong preference for modular architecture and DDD. I work on system modeling and integrations with relational databases, while keeping an eye on clean, maintainable code.
At He4rt Developers (Volunteer), I develop and maintain REST APIs using Laravel and Filament, implementing features for web platforms with a focus on career systems. I apply DDD concepts, follow best practices, and collaborate through Git/GitHub, code reviews, and teamwork.
Beyond backend development, I bring a business-first mindset from my experience as a Business and Innovation Strategist, where I handled requirements gathering, solution modeling, process analysis, and acted as the bridge between business needs and technology. I also support decision-making through data collection and analysis as a Research Administrative Assistant, and I translate these skills into hands-on projects like Minha Cidade (Laravel modular DDD platform), Regime Certo (Java/Spring Boot REST APIs), and Bipiemi (MVP and validation).
Experience
Work history, roles, and key accomplishments
Backend Developer
He4rt Developers
May 2026 - Present (2 months)
Develops and maintains REST APIs using Laravel and Filament, focusing on career system features. Applies Domain-Driven Design concepts and collaborates through GitHub with code reviews.
Business and Innovation Strategist
Self-Employed
Jan 2025 - Jun 2026 (1 year 5 months)
Conducts requirements gathering and solution modeling and identifies process improvement opportunities. Acts as an interface between business needs and technology.
Bipiemi Project
bipiemi
Jan 2023 - Jan 2025 (2 years)
I developed an app on my own over the course of two years.
It was discontinued due to a lack of a team.
Link about: https://bipiemi.netlify.app/
Research Administrative Assistant
Kuruma Toyota
Apr 2022 - Nov 2024 (2 years 7 months)
Performs data collection and analysis to support decision-making. Updates CRM records and provides support for internal processes.
Education
Degrees, certifications, and relevant coursework
Universidade de Marília
Bachelor of Business Administration, Business Administration
Bachelor's degree in Business Administration at Universidade de Marília, currently on hold.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
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