Carlos Alberto S. Oliveira Júnior
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Résumé

Condensed version. The full document is available as a PDF.

Experience
Full Stack DeveloperMAY Derma · May – Jul 2026

Built an affiliate and prescriber system in C#/.NET — referral links, coupons, commissions and dashboards — and the WordPress/WooCommerce store, which has taken 259 paid orders from 224 customers. Integrated payment, shipping and marketing over webhooks; ran production on Docker, Nginx and PostgreSQL.

Back-end DeveloperAgiliza Doutor · Aug 2025 – Feb 2026

Implemented 149 REST endpoints and a 32-table data model with migrations for a platform serving the legal and medical sectors, in Scrum sprints. Built the Python scraping pipeline for court updates that later evolved into CourtIQ.

Projects
CourtIQPersonal project · not deployed

Judicial data API normalizing 19 court integrations (PJe and e-SAJ) into one domain model, with queues, retries with exponential backoff and 634 automated tests. Python, FastAPI, PostgreSQL, Redis, Playwright, Docker.

ARPEON2026 – present · open source

Local-first desktop score editor with MIDI playback, a YIN tuner, performance reports and PDF/image recognition. 11 Java modules behind an Angular interface, 242 JUnit and 184 Vitest tests, CI on Windows, Linux and macOS. Java, Angular, TypeScript, Gradle.

AvivandoJun – Sep 2026 · in production

Member management platform serving over 500 users, built alongside a senior engineer. Two integrated applications on Payload CMS: public site and operational core, with role-based access control. React, TypeScript, Payload CMS, PostgreSQL, Node.js.

Visio DivinaJun 2026 · UniCEUB extension project

Team web application that turns sermon scripts into editable slide decks with an LLM (Llama 3.3 70B), validating the output against Zod schemas with a repair prompt and a fallback. PostgreSQL on Supabase with Row Level Security; export to PPTX, PDF and PNG. TypeScript, React.

Education
Bachelor's in Software EngineeringUniCEUB · Feb 2026 – Dec 2029 (expected)

Centro Universitário de Brasília. Currently in the second semester.

Certifications
Oracle Cloud Infrastructure Certified Architect AssociateVerify →2026
Oracle AI Database Certified Foundations AssociateVerify →2026
AWS Certified AI Practitioner2026
AWS Certified Cloud Practitioner2026
Technical
Languages & frameworks

C#, Python, Java, TypeScript, JavaScript and SQL. .NET (ASP.NET Core), FastAPI, Angular and React.

Back-end & data

REST APIs, webhooks, queues and async workers, idempotency. PostgreSQL, Redis, data modeling and migrations.

Tools

Docker, Linux, Nginx, Git, GitHub Actions and Azure DevOps.

Languages
PortugueseNative
EnglishIntermediate

Professional reading and writing.