Developer & Data Analyst

João Vicente

Based in Lisbon, Portugal

I'm a passionate developer and data analyst with a strong focus on automation and data-driven solutions. With expertise in Python, data analysis, and full-stack development, I transform complex data into actionable insights.

I am always seeking new challenges where I can apply these skills to create value and positively impact the projects I am involved in.

Get in TouchView Projects

Working with modern technologies

import { useState, useEffect } from 'react';
function DataAnalyzer() {
const [data, setData] = useState([]);
const [loading, setLoading] = useState(true);
useEffect(() => {
async function fetchData() {
const response = await fetch('/api/data');
const result = await response.json();
setData(result);
setLoading(false);
};
fetchData();
}, []);
// Terminal
✓ Running analysis
✓ Processing data
_

Professional Experience

A timeline of my recent roles, projects, and technical impact.

Ventask

December 2024 – Current
Python Developer and Data Analyst
Working as a Developer & Data Analyst in Lisbon, focusing on data integration, analysis, and visualization to optimize Sales, Customer Support, and internal operations.
  • Developed data pipelines using APIs, Selenium automation (when APIs were unavailable).
  • Processed and cleaned data using Pandas and NumPy to ensure quality and consistency.
  • Built Dashboards in Power BI with DAX calculations and multiple data source integrations.
  • Automated Reports for key processes, including reporting, job ad posting, and database synchronization.
PythonPandasNumPySeleniumPower BIDAXSQLAPIsHTMLCSSJavaScript

Galp Comfy

January 2024 – December 2024
Team Leader
Led Sales and Customer Care teams in Lisbon, combining leadership with data-driven strategy and automation to enhance performance and meet operational goals.
  • Supervised and motivated teams to achieve strategic and operational targets.
  • Built Python scripts to automate data extraction and processing tasks.
  • Developed dynamic dashboards in Power BI for real-time performance monitoring.
  • Continuously analyzed KPIs and provided insights that improved team efficiency.
PythonPower BIDAXExcelCRM

Galp Comfy

September 2023 – January 2024
Backoffice Employee
Worked in the backoffice team with a strong focus on process automation and performance analysis, contributing to project growth and operational improvements.
  • Created Python scripts to automate key workflows, significantly increasing operational efficiency.
  • Developed initial Power BI dashboards to track campaign metrics and identify performance insights.
  • Proposed workflow optimizations that enhanced decision-making.
PythonPower BIDAXExcelCRM

Galp Solar

July 2022 – September 2023
Sales Representative
Managed a portfolio of clients in the renewable energy sector, offering tailored photovoltaic panel proposals.
  • Oversaw the sales process from start to finish, ensuring optimal solutions for clients.
  • Developed and maintained strong client relationships in the renewable energy sector.
  • Created and presented customized photovoltaic panel proposals.
  • Achieved sales targets through effective client management and solution delivery.
CRMSales ToolsClient ManagementRenewable Energy

Technical Skills

A comprehensive overview of my technical expertise and proficiency levels.

Python

4/5

Expert in Python development, data analysis, and automation. Proficient with Pandas, NumPy, and various data processing libraries.

Programming Language
→

Power BI

4/5

Advanced Power BI development with complex DAX calculations, data modeling, and interactive dashboard creation.

Data Visualization
→

SQL

4/5

Strong SQL skills for data querying, optimization, and database management across various platforms.

Database
→

Pandas

5/5

Expert in data manipulation, cleaning, and analysis using Pandas for efficient data processing.

Data Analysis
→

Selenium

4/5

Proficient in web automation and testing using Selenium for complex web interactions and data extraction.

Automation
→

APIs

5/5

Experience in building and consuming RESTful APIs, handling authentication, and data integration.

Integration
→

HTML

4/5

Strong foundation in HTML5, creating semantic and accessible web structures.

Web Development
→

JavaScript

3/5

Proficient in modern JavaScript, including ES6+ features and frontend frameworks.

Web Development
→

Git & Version Control

4/5

Experienced with Git for source control, branching, code reviews, and team collaboration on projects.

Collaboration
→

Featured Projects

A showcase of my most impactful projects, combining technical expertise with practical solutions.

Simpleflow Solutions

A modern web platform in the making, Simpleflow Solutions is my vision for a future startup, combining automation and data expertise to provide value to businesses.

Next.jsReactTypeScriptTailwind CSSVercel
View Details

Unified Contact Form Engine

A centralized API solution for managing contact form submissions across multiple websites, streamlining lead capture and response.

Next.js API RoutesSupabaseTypeScriptNode.jsAutomationEmail
View Details

LeadFlow CRM Platform

A powerful CRM built to seamlessly manage and analyze leads captured via our Unified Contact Form Engine.

Next.jsReactSupabaseTypeScriptChart.jsEmailTailwind CSS
View Details

Business Intelligence Dashboard

A real-time dashboard for Ventask's sales campaigns, empowering supervisors and managers to track agent performance, bonuses, and key metrics at a glance.

Power BIDAXSQLPython
View Details
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Technical Blog

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Contact Me

Let's connect! Fill out the form or reach out via email/social.

João Vicente

Developer & Data Analyst focused on automation, analytics, and web solutions.

I love collaborating on impactful projects and am open to freelance, remote, or full-time opportunities.

info@joao-vicente.dev
Lisbon, Portugal