Software Engineer

Programming and Data Automation and AI.

I'm Davi Oliveira. From the Python ecosystem: APIs in FastAPI, fullstack systems in Django, data and automations with applied AI, from the first commit to the production deploy.

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Python Django FastAPI SQL PostgreSQL Dados Docker Golang LLMs Automação

Python · API Data · Decisions

Experience

Where I have worked

Data and AI Automation Manager

Apex Acelera

Aug 2026 to today · Remote

Structuring and managing paid traffic campaigns, tracking CAC and ROAS with continuous optimization of creatives and targeting
CRM rollout and development of AI agents for automated lead qualification and support
Integration between ad platforms, CRM, and support channels, with funnel automation and reporting

Meta Ads, CRM, AI Agents, Python, APIs, Automation, CAC, ROAS, Sales Funnel

E-commerce Analyst

iBeize

Feb 2026 to Jul 2026 · Morada Nova, CE

Results analysis, experimentation, and continuous optimizations for the NuvemShop store
Integration with the GestãoClick ERP and storefront customization via GoTemplate
DNS configuration, Melhor Envio integration, and SKU alignment with inventory, supporting commercial actions and logistics operations

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

Administrative Assistant

Hiper Morada Nova

2021 to 2025 · Morada Nova, CE

Built automated Excel dashboards, turning raw data into business insights
Automated administrative reports with processing logic that cut generation time by up to 60%
Provided technical support for systems and equipment, ensuring operational continuity of SysPDV

Excel, Dashboards, Report Automation, SysPDV, Technical Support

Young Apprentice

Betânia Lácteos

2020 to 2021 · Morada Nova, CE

Organized fiscal documentation and administrative spreadsheets, improving data control
Supported the department's administrative routines, checking records and filing documents
Developed attention to detail and accuracy in administrative records

Tax Documentation, Administrative Spreadsheets, Data Control

Intern

Prisma Informática

2017 · Morada Nova, CE

Started working with programming and systems development logic
Provided technical support and customer service, strengthening communication and problem-solving skills
Assisted with the maintenance and setup of computers and peripherals, following tickets through to resolution

Programming Logic, 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

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

Apex Acelera | Reports

PDF reports from Meta Ads data, with four analysis modes and automated KPIs.

Django PostgreSQL WeasyPrint

Code

Ecommerce Control

Multi-tenant dashboard integrating Nuvemshop and GestãoClick into one operation.

Django Ninja PostgreSQL Docker JWT

Code

Ibeize E-commerce

E-commerce integrated with GestãoClick, GoTemplate, Melhor Envio, and synchronized inventory.

NuvemShop GoTemplate GestãoClick Integração de API

View site

Data Science Projects

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

Python Pandas Scikit-learn TensorFlow Jupyter

Code

Python Projects

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

Python FastAPI Flask Django Docker

Code

Personal Portfolio

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

Python Django PostgreSQL Deploy VPS

Code View site

JWT Order API

Order API with JWT authentication, per-user data isolation, layered architecture, and automated tests.

Flask PyJWT bcrypt SQLite Pytest

Code

JWT Secured Banking API

Banking API with JWT authentication, bcrypt password protection, layered architecture, and automated tests.

Flask PyJWT bcrypt SQLite Pytest

Code

Real-Time Chat

Real-time bidirectional messaging system built with WebSockets.

Flask-SocketIO WebSockets

Code

Pet Adoption API

Pet adoption management API structured with Clean Architecture, MVC, and separated use cases and repositories.

Flask Clean Architecture MVC Pytest

Code

Daily Diet API

CRUD API for meal tracking and automatic nutritional metrics, backed by automated tests.

Flask SQLite Pytest 95% coverage

Code

Banking System API

Banking API for customer registration, withdrawals, and statements, with business rules covered by automated tests.

Flask SQLite MVC Architecture Pytest

Code

URL Shortener API

URL shortener with click tracking, QR Code generation, and an administrative metrics dashboard.

Django REST Framework PostgreSQL Docker

Code

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

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

Open to roles and to project work: APIs in Python, automations with AI 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