Davi Oliveira
Apex Reports
PDF report generator built from Meta Ads Manager exports, with four output modes, KPI calculation and VPS deploy (Nginx, Gunicorn, systemd).
Software Engineer
Programming, Web, Data and Applied AI.
I'm Davi Oliveira. I build APIs, web systems and automations in Python, with clean architecture, testing and applied AI, from the first commit to the production deploy.
Python
Golang
TypeScript
Django
FastAPI
React
PostgreSQL
Docker
Python · API
Data · Decisions
Experience
Where I have worked
01
- Results analysis, experimentation, and continuous optimizations for the NuvemShop store
- Storefront customization via advanced CSS/HTML/JS/GoTemplate and integration with GestãoClick ERP
- DNS configuration, integration with Melhor Envio, and SKU alignment with inventory
- Support for commercial actions and integration with logistics operations
NuvemShop, GestãoClick, CSS, HTML, JavaScript, GoTemplate, Django Ninja, React, Docker, KPIs, ROI, DNS, Melhor Envio
02
Administrative Assistant
Hiper Morada Nova2021 to 2025 · Morada Nova, CE
- Built automated Excel dashboards, turning raw data into business insights
- Optimized internal reports with processing logic that reduced generation time by up to 60%
- Automated administrative analyses and reports, improving accuracy and operational efficiency
- Provided technical support for systems and equipment, ensuring operational continuity of SysPDV
Excel, Dashboards, Report Automation, SysPDV, Technical Support
03
Young Apprentice
Betânia Lácteos2020 to 2021 · Morada Nova, CE
- Organized fiscal documentation and administrative spreadsheets, improving data control
- Developed attention to detail and accuracy in administrative records
Tax Documentation, Administrative Spreadsheets, Data Control
04
Intern
Prisma Informática2017 · Morada Nova, CE
- Started working with web development (HTML5, CSS3, and JavaScript)
- Provided technical support and customer service, strengthening communication and problem-solving skills
HTML5, CSS3, JavaScript, Technical Support, Customer Service
Skills
What I build with
Backend & Frameworks
Python
Django
FastAPI
Flask
Go (Golang)
RESTful APIs
Clean Architecture & MVC
External service integration
Frontend
JavaScript
TypeScript
React.js
Artificial Intelligence
LLMs
RAG Pipelines
Classical ML Models
Process automation
Data
Pandas
NumPy
Matplotlib
Seaborn
Excel
Databases
PostgreSQL
MongoDB
SQLite
SQLAlchemy & ORM
DevOps & Infra
Docker
CI/CD (GitHub Actions)
AWS
Linux & CLI
Nginx + Gunicorn
Quality & Versioning
Pytest
Git
Pre-commit
Black & isort
Projects
What I have built
Ecommerce Control
Multi-tenant control panel for Nuvemshop + GestãoClick merchants: catalog, finance and PDF reports in one place. Each company creates its own account and sees only its own data.
Ibeize E-commerce
Storefront customization with advanced CSS/HTML/JS/GoTemplate and integration with the GestãoClick ERP. Results analysis, experimentation and continuous optimizations of the NuvemShop store. DNS setup, Melhor Envio shipping integration and SKU alignment with inventory.
Data Science Projects
A collection of hands-on data science projects and exercises: exploratory data analysis, machine learning, deep learning and predictive analytics applied to real-world problems.
Python Projects
A collection of hands-on backend projects and exercises in Python: RESTful APIs, web applications, microservices, database integrations and automations, following software architecture best practices.
JWT Order API
Order REST API with JWT authentication and authorization, where each user can only access their own data. Layered MVC pattern, dependency injection and full unit test coverage.
JWT Secured Banking API
Banking REST API with JWT authentication, bcrypt password hashing and route-protection middleware. Layered Clean Architecture, Composer pattern and unit tests with Pytest.
Pet Adoption API
Application of Clean Architecture and the MVC pattern for full adoption management. Clear separation of responsibilities: Controllers, Use Cases, Repositories.
Daily Diet API
Complete RESTful API (CRUD) with automatic computation of nutritional metrics. Unit test suite with 95% code coverage.
Banking System API
REST API with registration, withdrawal, and statement operations for individuals and companies. Clean Architecture, unit tests with Pytest, and business-rule validations.
URL Shortener API
URL shortening system with click tracking and QR Code generation. Administrative interface for managing and analyzing access metrics.
No projects in this category yet.
Education
Education and certifications
Bachelor's Degree in Software Engineering
UNOPAR, Universidade Norte do Paraná
2022 to 2025 · Completed
Information Systems
UFC, Federal University of Ceará
2018 to 2019 · Incomplete
Technical Degree in Informatics
EEEP Osmira Eduardo de Castro
2015 to 2017 · Completed
Certifications
Contact
Let's talk
Open to roles and to project work: APIs, web systems, automations and data analysis. I reply within one business day.