FO

FERNANDO OLIVEIRA

Available to hire

I’m Fernando Oliveira, a Python Automation & AI Developer based in Maringá, Brazil, focused on building practical digital tools that save time and reduce manual effort.

About

I’m Fernando Oliveira, a Python Automation & AI Developer based in Maringá, Brazil, focused on building practical digital tools that save time and reduce manual effort. I develop reliable automation scripts, integrate APIs, and process real-world datasets from Excel and CSV into clean, structured outputs.

I also enjoy working on lightweight web solutions and AI-assisted workflows, combining clear requirements with testing and organized delivery. From bug fixing to data cleaning utilities and workflow integration, I aim to turn messy problems into dependable, easy-to-use results for clients and projects.

  • Joined September 2026

Languages

  • ArabicIntermediate
  • PortugueseFluent

Industry experience

  • Software & Internet
  • Professional Services
  • Other

More experts

Projects · 1

SmartCSV – Python Data Cleaning & Automation Tool

SmartCSV – Python Data Cleaning & Automation Tool SmartCSV is a personal software project designed to simplify repetitive data-cleaning tasks for CSV and spreadsheet files. The goal was to create a lightweight tool that can take messy datasets and quickly prepare them for analysis or business use. Main features CSV data import and processing Automatic removal of duplicate records Detection of missing values Column cleaning and normalization Data type validation Search and filtering tools Summary statistics and dataset overview Export of cleaned data Simple and user-friendly workflow Technologies Python Pandas Data Processing CSV / Excel automation HTML/CSS interface concepts AI-assisted workflow design My role I designed the workflow, structured the data-processing logic, developed the automation rules and focused on making the tool simple enough for non-technical users. This project demonstrates my ability to transform repetitive manual data work into an organized and reusable automation workflow. Project type: Personal / Portfolio Project

  • AI Developer
  • Web Developer

Work experience

Freelance Developer · Self-EmployedSep 2021 – Sep 2025 · 4 yrs 1 mo

I develop Python scripts, automation workflows, API integrations, data processing tools and lightweight web solutions. My work includes Excel/CSV/JSON processing, bug fixing, JavaScript, HTML/CSS, SQL, WordPress and AI-assisted workflows. I focus on practical solutions, clear requirements, testing, reliability and organized delivery.

Independent Developer · Self-EmployedJan 2020 – Present · 6 yrs 11 mos

Develops Python scripts and workflow automations, performs API integrations, and creates data-processing utilities for Excel/CSV/JSON. Works with SQL and lightweight web solutions using JavaScript, HTML/CSS, and WordPress when needed. Focuses on fixing bugs, validating outputs, and supporting organized handoff through testing and practical implementation. Applies AI-assisted approaches to streamline workflows and improve productivity while ensuring the final solution matches defined requirements.

Certifications and awards

Professional Development in Python, Automation & AI2023 – 2026

Self-directed professional development focused on Python programming, workflow automation, artificial intelligence, API integrations, data processing, web development and practical software projects.

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