Software Engineer

Programming and Data Automation and AI.

I'm Davi Oliveira. I build systems, automations, and indicators with development, data, and AI to solve real business problems.

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Python Django FastAPI SQL PostgreSQL Data Docker Power BI LLMs Automation

Python · API Data · Decisions

Projects

What I have built

Apex Acelera | Reports

PDF report generator from Meta Ads data, with automated KPIs and VPS deployment.

Django PostgreSQL WeasyPrint

Ecommerce Control

Multi-tenant dashboard for NuvemShop and GestãoClick merchants.

Django Ninja PostgreSQL React Docker

Code

Atalho Prancheta

Link shortener with editable destinations, QR Codes, click metrics, and 272 tests.

Django DRF PostgreSQL Redis

Code

iBeize E-commerce

Custom storefront with continuous catalog and order integration with the ERP.

NuvemShop GoTemplate GestãoClick

View site

Personal Portfolio

Bilingual Django portfolio with light and dark themes, search, contact, and responsive design.

Python Django PostgreSQL Deploy VPS

Code View site

Python Projects

Collection of Python APIs, integrations, and automations built with sound architecture.

Python FastAPI Flask Django Docker

Code

Data Science Projects

Collection of exploratory analyses and machine-learning models applied to real-world problems.

Python Pandas Scikit-learn TensorFlow Jupyter

Code

Skills

What I build with

Python Backend

FastAPI, Django, DRF, and Django Ninja REST/OpenAPI JWT/OAuth2 ORMs asyncio Redis/Celery Clean Architecture/SOLID Pytest/TDD

Python for Data

pandas and NumPy scikit-learn ETL/ELT Apache Airflow Report automation via APIs

Platforms and SQL

Advanced SQL PostgreSQL (PL/pgSQL, triggers) MongoDB Databricks Relational/dimensional modeling Data warehouse Data quality

BI and Analytics

Excel Power BI Dashboards and management reports KPIs, CAC, ROAS, and sales funnel

Applied AI

LLMs via API (Claude, OpenAI, Gemini) RAG/pgvector AI agents Document extraction

Infrastructure

Docker/Compose Linux Nginx and Gunicorn GitHub Actions Git/GitFlow VPS deployment

Experience

Where I have worked

Data and AI Automation Manager

Apex Acelera

Aug 2026 to present · Remote

Structuring and managing paid traffic campaigns, tracking CAC and ROAS with continuous optimization of creatives
Consolidating scattered data into decision-making indicators, tracking sales funnel metrics
Automations and reports in Python consuming external APIs

Meta Ads, Paid Traffic, CAC, ROAS, Data, Indicators, Python, APIs, Automation

E-commerce Analyst

iBeize

Feb 2026 to Jul 2026 · Morada Nova, CE

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, GoTemplate, Django Ninja, Docker, KPIs, ROI, DNS, Melhor Envio

Administrative Assistant

Hiper Morada Nova

Apr 2021 to Apr 2025 · Morada Nova, CE

Managed the NF-e cycle through SysPDV, with tax verification and daily fiscal compliance
Developed automated Excel dashboards and reports, turning raw data into business insights
As a Young Apprentice, organized payment slips and administrative processes and provided basic technical support

NF-e, SysPDV, Excel, Dashboards, Report Automation, Technical Support

Young Apprentice

Betânia Lácteos

Feb 2020 to Mar 2021 · Morada Nova, CE

Organized fiscal documentation and administrative spreadsheets, improving data control

Tax Documentation, Administrative Spreadsheets, Data Control

IT Intern

Prisma Informática

Aug 2017 to Dec 2017 · Morada Nova, CE

Provided technical support and customer service, and had my first contact with web development

Technical Support, Customer Service, Web Development

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

NoSQL with MongoDB Rocketseat · 6h

JWT Authentication and Security Rocketseat · 7h

Logic Master: programming logic and algorithms with Python PyCodeBR Treinamentos · 5h

Build & Automate Immersion: development and automation with AI Rocketseat · 5h

Complete Python 3 Curso em Vídeo · 80h

Python Fundamentals Rocketseat · 10h

Exploring Flask Rocketseat · 10h

Code Design: SOLID and Testing Rocketseat · 6h

Software Architecture and MVC Pattern Rocketseat · 10h

Contact

Let's talk

Available immediately for remote or hybrid roles and for project work: Python systems, AI automations, and data analysis. I reply within one business day.

Email davioliveiraes7@gmail.com LinkedIn linkedin.com/in/davioliveiraes GitHub github.com/davioliveiraes Location Morada Nova, CE, Brazil · Remote / Hybrid