Leonardo S.
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Leonardo S. Email & Phone Number

Engenheiro de dados at Visa
Location: Marília, São Paulo, Brazil 6 work roles 3 schools
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✓ Verified Jun 2026 3 data sources Profile completeness 86%

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Current company
Role
Engenheiro de dados
Location
Marília, São Paulo, Brazil
Company size

Who is Leonardo S.? Overview

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Quick answer

Leonardo S. is listed as Engenheiro de dados at Visa, a company with 28536 employees, based in Marília, São Paulo, Brazil. AeroLeads shows a matched LinkedIn profile for Leonardo S..

Leonardo S. previously worked as Data Engineer at Banco Bmg and Data Engineer at Will Bank. Leonardo S. holds Master'S Degree, Computer Science from Universidade Estadual Paulista Júlio De Mesquita Filho.

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Email format at Visa

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Visa

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Profile bio

About Leonardo S.

I am a data engineer with experience in designing, implementing, and monitoring data pipelines. I work on extracting and collecting data from various sources, including APIs, databases, and external sources, using technologies like BeautifulSoup for web scraping. I implement data transformation and provisioning processes for timely analysis, utilizing AWS Glue, Spark, AWS Lambda, Athena, S3, and RDS. I use Docker, Kubernetes, and Terraform to automate the deployment cycle with CI/CD. I have experience in integrating asynchronous messaging using SQS and RabbitMQ, developing Python scripts and applications for data manipulation and analysis, managing NoSQL databases like DynamoDB and MongoDB, and configuring and monitoring cloud services using CloudWatch. Additionally, I am responsible for monitoring and observability of microservices using Datadog, ensuring real-time detection and propagation of alerts via Slack in cases of inconsistencies, errors, or system integrity failures. I am always eager to learn new technologies and methodologies and share my knowledge and experience with the team.I am also a master's student in Computer Science at UNESP, currently involved in a research project in the field of public security. My work involves dealing with unstructured textual data from various heterogeneous sources. I am performing tasks such as data scraping and fusion, exploratory analysis, data engineering, and applying machine learning techniques for valuable insights.

Current workplace

Leonardo S.'s current company

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Visa
Visa
Engenheiro de dados
State of São Paulo, Brazil
Website
Employees
28536
AeroLeads page
6 roles

Leonardo S. work experience

A career timeline built from the work history available for this profile.

Engenheiro De Dados

State Of São Paulo, Brazil

Data Engineer

Current

Data Engineer working in the DataLake.- Orchestration of pipelines using Apache Airflow in a cluster on AWS EKS.- Performed ingestion of Data Warehouses into the DataLake.- Participated in the development of a tool for ingestion of multiple and heterogeneous data sources.- Implementation of data ingestion pipelines using AWS EMR.- Massive data integration.

Mar 2024 - Present

Data Engineer

São Paulo, São Paulo, Brazil

Data Engineer assigned to the Credit Engine:- Design and implementation of highly efficient data pipelines, ensuring timely data ingestion, processing, and availability for analysis. Utilizing AWS Glue, Spark/pyspark, S3, AWS Lambda, Athena, MongoDB, and RDS.- Extraction and collection of data from various sources, including APIs, databases, and external.

May 2021 - Feb 2024

Software Engineer

Stratelli

I developed a mobile application using PHP Laravel to create a robust API, applying DDD and TDD practices. I implemented CI/CD with GitHub Actions, hosting on AWS EC2, and a database on RDS. Additionally, I integrated a Socket.IO server for real-time chat and used AWS S3 for storing user profile images. The result was a timely delivery, with clean and.

May 2020 - Jun 2021

Software Engineer

Marília, São Paulo, Brazil

Software engineer working directly on the development of APIs, integrations between e-commerce platforms, using and applying DDD, SOLID principles, and CI/CD processes tailored for microservices.

Dec 2020 - May 2021

Software Engineer

Marília, São Paulo, Brazil

Software Engineer working with APIs, TDD, CI/CD workflows and communication with Mobile applications.

Aug 2019 - Mar 2020
Team & coworkers

Colleagues at Visa

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3 education records

Leonardo S. education

FAQ

Frequently asked questions about Leonardo S.

Quick answers generated from the profile data available on this page.

What company does Leonardo S. work for?

Leonardo S. works for Visa.

What is Leonardo S.'s role at Visa?

Leonardo S. is listed as Engenheiro de dados at Visa.

Where is Leonardo S. based?

Leonardo S. is based in Marília, São Paulo, Brazil while working with Visa.

What companies has Leonardo S. worked for?

Leonardo S. has worked for Visa, Banco Bmg, Will Bank, Stratelli, and Eficaz Marketing E Tecnologia.

Who are Leonardo S.'s colleagues at Visa?

Leonardo S.'s colleagues at Visa include Cameron Heslin, Justin Herman, Ratnavali Yerubandi, Mahendra Pratap, and Rommel Cifra.

How can I contact Leonardo S.?

You can use AeroLeads to view verified contact signals for Leonardo S. at Visa, including work email, phone, and LinkedIn data when available.

What schools did Leonardo S. attend?

Leonardo S. holds Master'S Degree, Computer Science from Universidade Estadual Paulista Júlio De Mesquita Filho.

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