Hello! I'm a Full-Stack Developer with 2 years of experience building secure and scalable APIs and web applications, with a focus on clean architecture, performance, and maintainable code. I enjoy solving real-world problems and delivering reliable end-to-end solutions. I love collaborating with cross-functional teams and continuously improving processes—from testing and CI/CD to observability and security—to deliver robust software and great developer experiences.

Diogo Bettin Dutra dos Reis

Hello! I'm a Full-Stack Developer with 2 years of experience building secure and scalable APIs and web applications, with a focus on clean architecture, performance, and maintainable code. I enjoy solving real-world problems and delivering reliable end-to-end solutions. I love collaborating with cross-functional teams and continuously improving processes—from testing and CI/CD to observability and security—to deliver robust software and great developer experiences.

Available to hire

Hello! I’m a Full-Stack Developer with 2 years of experience building secure and scalable APIs and web applications, with a focus on clean architecture, performance, and maintainable code. I enjoy solving real-world problems and delivering reliable end-to-end solutions.

I love collaborating with cross-functional teams and continuously improving processes—from testing and CI/CD to observability and security—to deliver robust software and great developer experiences.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate

Language

Portuguese
Fluent
English
Advanced

Work Experience

Full-Stack Developer at E-commerce Platform Bun
February 1, 2026 - Present
Developed a full-stack e-commerce platform with a modern storefront (Next.js + React), admin panel, catalog with variants, search, reviews, wishlist, persistent cart, and theme toggle. Implemented multi-step checkout with CEP validation, real-time shipping calculation, atomic stock validation, and integration with Mercado Pago (Pix + Cards) and Stripe, handling secure webhooks with validation. Integrated the Melhor Envio API for shipping quotes and applied patterns such as Outbox Pattern for transactional emails, background job workers, and event logging for auditing. Implemented security with JWT, bcrypt hashing, rate limiting, Supabase Row-Level Security, and input validation with Zod. Identified image egress via Supabase Storage was consuming 100% of the quota, migrating to Cloudinary CDN and reducing operational cost to $0.
Full-Stack Developer at Emit0 Nota
May 1, 2025 - June 1, 2025
Contributed to a CRM for small businesses covering inventory, product, and employee management — clients reported a 30% improvement in operational efficiency after adoption. Integrated third-party services for electronic invoice issuance (NF-e) in compliance with SEFAZ. Developed an AI-powered business analytics module for generating strategic reports and insights. Structured unit and integration tests throughout development, ensuring code reliability and maintainability. Orchestrated multiple AI agents to support the development workflow.

Education

Bachelor's degree at Faculdade de Apucarana (FAP)
January 11, 2030 - May 27, 2026

Qualifications

Bachelor's degree in Information Systems
January 11, 2030 - May 27, 2026

Industry Experience

Software & Internet, Computers & Electronics