Case studies
Business rules
Demonstrate the ability to build a complete e-commerce with business rules, integrations, and technical documentation in an undergraduate thesis context.
E-commerce developed as an undergraduate thesis project in approximately 6 months.
Role: founder and Full Stack developer, responsible for requirements, APIs, business rules, integrations, and documentation.
Academic result: highest grade for the implementation.
E-commerce developed as the final undergraduate project.
Project built in approximately 6 months.
Build an e-commerce platform with sales, delivery, payment, and shipping calculation rules.
Need to integrate external payment and shipping APIs and document the system end to end.
Academic timeline of approximately 6 months.
Thesis scope requiring a functional implementation and technical documentation.
Implement APIs with Java and Spring Boot.
Integrate shipping calculation and payment generation using Boleto, Pix, and Credit Card.
Treat technical documentation as an explicit project deliverable.
Known stack: React, Java, Spring Boot, Bootstrap, and TypeScript.
Known flows: sale, delivery, payment, and shipping calculation.
API implementation with Java and Spring Boot.
Integration with shipping calculation and payment generation using Boleto, Pix, and Credit Card.
Production of technical documentation.
Business rules for sales, deliveries, payments, and shipping calculation.
Integration with external shipping and payment APIs.
Project received the highest grade for its implementation.
Academic impact demonstrated by the highest grade.
The publicly evidenced result is academic; production/real-usage impact is not yet documented.
Deep architecture and trade-off details remain gaps.
Technical documentation (diagrams, data dictionary, and requirements) can be treated as an engineering deliverable, not only an appendix.
Undergraduate thesis academic context.
Deliver a functional implementation assessed academically.
Produce technical documentation of the system.
Product and innovation
Own product focused on blood donation, originated from friction observed in a real donation process.
Distributed systems
Sales and service system distributed across approximately six repositories, with Docker, CI/CD, and integrations with WhatsApp, payments, and shipping.
