Cristiano Sousa

Data Engineer
Analytics Engineer

About Me

I’m a data-driven problem solver with a passion for building scalable data solutions. With expertise in Python, SQL, AWS, DBT, and Snowflake, I specialize in designing efficient ETL pipelines, optimizing databases, and enabling data-driven decision-making. My experience spans across data engineering, analytics, and business intelligence, having collaborated with cross-functional teams to transform raw data into actionable insights. Always eager to learn and innovate, I thrive in fast-paced environments where data fuels growth, automation, and efficiency.

  • Age 33
  • Residence Portugal
  • E-Mail cristianorsousa25@gmail.com
  • Phone +351 918 534 172

My Awards

TestGorilla Culture Champion

Deliver User Value Fast - 2024

Teleperformance Top Performer

H1 2017

What I Do

Build & Optimize Data Pipelines

I design and implement efficient data pipelines that ensure the smooth movement and transformation of information across systems.

Enhance Data Performance & Reliability

I optimize data processing workflows and storage solutions to enhance performance and maintain reliability.

Develop Analytical Models & Dashboards

I turn raw data into meaningful insights by developing data models and visual reports.

Automate & Streamline Workflows

I enhance efficiency and consistency by automating data workflows and processes.

Drive Data Strategy & Best Practices

I define and enforce data engineering best practices, focusing on standardization, documentation, and quality assurance.

Lead Cross-Functional Collaboration

I work closely with engineering, product, and business teams to align data solutions with company goals.

Companies I have worked with

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Resume

Certificates

dbt Analytics Engineer

February 2025
DBT

Six Sigma Black Belt

June 2020
Aveta

Python for Data Science

June 2020
Cognitive Class

MCSA BI Reporting

June 2018
Microsoft

Education

2010-2014
ISCTE

BSC Computer Science

Experience

2022 - Present
TestGorilla

Data Engineer II

  • Design and maintain scalable data pipelines and ETL processes. (AWS Glue & DBT)
  • Monitoring production databases for slow queries and work on their optimization.
  • Maintaining Infrastructure as code using Terraform.
  • Script development to identify and remove PII from staging and development environments.
  • Development of script to create a db dump with minimal data for platform normal functioning. Was used by devs on their local environments.
  • Develop and manage data warehouse schemas and databases, ensuring data integrity and governance. (DBT & Snowflake)
  • Collaborate with cross-functional teams (data, developers, marketing, product) to provide clean, accessible datasets and implement data-driven solutions
  • Development of Analytical data models & Data Visualization Dashboards. (Metabase & Holistics)
  • Onboard new team members.
2020 - 2022
Teleperformance Portugal

Data Engineer

  • Design and maintain scalable data pipelines and ETL processes. (SSIS)
  • Creation of C# Script to allow parametrized source Extraction and Loading to SQLServer.
  • Development of Stored Procedures to handle data orchestration.
  • Develop and manage data warehouse schemas and metrics. (SSAS)
  • Development of Analytical data models & Data Visualization Dashboards. (PowerBI)
  • Onboarding new team members and initial training when needed.
2019 - 2020
Uber

Inside Sales Data Analyst

  • Report and Dashboard Development (Tableau)
  • Design and maintenance of ETL processes. (Python)
  • Data Analysis related tasks such as root cause analysis, forecast and preparation of Business Reviews with relevant insights.
  • Automation of repetitive tasks.
  • Process Improvement and Optimization
  • Creation of Salesforce reports and dashboards
2018 - 2019
Closer Consulting

Business Intelligence Consultant

  • Report and Dashboard Development (PowerBI)
  • Design and maintaenance of ETL processes.(SSIS)
  • Development of Olap Cubes (SSAS)
  • DBA (SQL Server)
2016 - 2018
Teleperformance Portugal

Data Analyst

  • Create, develop and automate dashboards (PowerBI)
  • VBA Script Development for Excel & MSAccess Automation
  • Maintain local databases to support Excel based reports.
  • Prepare Weekly/Monthly Business Reviews.

Language Skills

Portuguese

100%

English

90%

French

65%

Coding Skills

SQL

100%

Python

90%

HCL

85%

C#

80%

Visual Basic

80%

DAX

80%

Tech Skills

DBT

95%

Snowflake

95%

Excel

95%

AWS

90%

GCP

85%

PowerBI

85%

Spark

85%

Terraform

85%

Docker

80%

Knowledges

  • ETL Development
  • Data Warehousing
  • Data Governance
  • Infrastructure as Code (IaC)
  • Database Optimization
  • Business Intelligence
  • Automation & Scripting
  • Cross-Functional Collaboration
  • Data Security & Compliance