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Tools I Use

A practical overview of the tools and technologies I use for software development, automation, data, and design.

Core Technical Stack

Technologies and tools I use across software development, automation, data, and production operations.

Backend & APIs

Python · Django · Django REST Framework · C# · REST APIs

Frontend

TypeScript · JavaScript · Angular · React · Tailwind CSS

Databases & Data

PostgreSQL · MariaDB · SQL · Airflow · dbt

Infrastructure & Cloud

Linux · Docker · AWS · Servers & VPS · Git

Monitoring & Observability

Zabbix · Checkmk · Prometheus · Grafana · Log analysis

Automation & Testing

Selenium · Automation scripts · Bots · API validation

Design

FigmaFigma is my primary tool for interface design and visual prototyping.

Development

Visual Studio CodeMy primary code editor.

ReactI use React to build component-based, responsive interfaces.

Three.JSI use Three.js to explore interactive 3D experiences for the web.

TailwindCSSI have used Tailwind CSS in professional internal projects to build consistent interfaces.

Framer MotionI use Framer Motion for accessible, maintainable interface animations.

ShadCNThis portfolio uses selected shadcn/ui components built with Tailwind CSS.

DaisyI use DaisyUI components when they are a practical fit for a project.

Other Technologies

My professional experience also includes automation, data workflows, internal systems, and operational tools.

Automation and Data

PythonI use Python for automation, internal tools, bots, scripts, and backend development.

Apache AirflowI have used Airflow in daily work to run recurring workflows and data tasks.

GLPII have used GLPI in a corporate environment for service requests and team workflows.

AngularI have maintained and developed Angular features for business management systems.

MetaI use Metabase to create and maintain practical business dashboards and reports.

RI use R and RStudio for data analysis and data-intensive tasks.

Workstation

Desktop

ryzen 5 5600 // RTX3060 - OC

Operating system

Windows / Debian

Monitor

LG 23MP55HQ // Dell P2219H

Mouse

Logitech 203

Keyboard

Epomaker Rt100

Headset

soundcore q30
© 2026 João Ielen.