Gabriel Gonçalves
@gabrielgonalves2
Full-stack software engineer building secure, high-performance payment systems with Java, TypeScript, React, and scalable architectures.
What I'm looking for
I’m a software engineer working across the whole stack—backend APIs, frontend UIs, and mobile when the product needs it. I care deeply about security and performance, and I focus on building resilient, high-availability systems.
In payment ecosystems and transactional platforms, I design and validate critical flows like transactions, withdrawals, and webhooks, supporting multiple payment methods (PIX, Credit Card, Boleto) with secure authentication and tokenization. I integrate with payment gateways and acquirers, then optimize for fault tolerance, consistency, and operational reliability.
I’ve built async messaging pipelines with RabbitMQ for event-driven architectures, and I prefer shipping incrementally. I work in Scrum and Kanban with strong CI/CD culture, spec-driven development, and harness development practices, using modern stacks like Java/Spring Boot, Node.js/TypeScript, React/Next.js, and brief Flutter work.
Experience
Work history, roles, and key accomplishments
Software Engineer | Full-Stack (React, Node.js, TypeScript) | Payments & Scalable Systems
I work as a full-stack engineer focused on building scalable, secure, and high-performance applications, with strong experience in payment ecosystems and transactional systems.
What I do
• Design, develop, and maintain end-to-end features across frontend (React) and backend (Node.js/TypeScript), delivering
Software Engineer | Full-Stack (React, Angular, Node.js, Java) | Scalable Architectures
I design and build scalable, high-performance web applications, combining strong frontend expertise with robust backend and architectural skills.
What I do
• Develop modern websites and high-conversion landing pages using React and Next.js
• Build and maintain complex frontend systems using Angular, focusing
Software Engineer | Full-Stack (Java, JavaScript, Flutter) | Web & Mobile Solutions
I build secure, scalable, and user-centric applications across web and mobile platforms, with a strong focus on backend reliability and seamless user experiences.
What I do
• Develop secure and scalable APIs using Java and Spring, ensuring robustness and high performance in production environments
• Build modern
Technical teacher training;
Conducting meetings with parents and guardians of the institution's students;
Teaching native-level English conversation classes at basic, intermediate, and advanced levels, focusing on fluency.
Educational coordinator of the language school, responsible for all pedagogical teaching, teacher instruction and training, and hiring and managing new teaching professionals.
Education
Degrees, certifications, and relevant coursework
UNAMA
System Development and Analysis, Information Technology
2024 - 2026
Associate Degree in Systems Analysis and Development
This program provided a solid foundation in software engineering, systems design, and full-stack development, focusing on building scalable and efficient solutions aligned with business needs.
Core Areas
• Algorithms, data structures, and object-oriented programming (OOP)
• Web and backend development using modern frameworks
• Database design
Universidade da Amazônia (UNAMA)
Associate Degree in Systems Analysis and Development, Information Technology
2024 - 2026
Associate degree in Systems Analysis and Development, building skills in software engineering, systems design, and full-stack development for scalable solutions. Coursework covered algorithms, RESTful APIs, databases (SQL/NoSQL), and distributed systems.
ASLAN
Inglês - Básico ao Avançado, Idiomas e Literaturas Estrangeiras
2013 - 2018
Aprendizado de toda a estrutura do Inglês, do básico até o avançado, com foco em gramática e conversação a nível nativo.
ASLAN
English - Basic to Advanced, Foreign Languages and Literatures
2013 - 2018
Completed English language training from basic to advanced, focusing on grammar and native-level conversation.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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