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Leonardo S. Email & Phone Number
Engenheiro de dados
at
Visa
LinkedIn matched
✓ Verified Jun 2026
3 data sources
Profile completeness 86%
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.
Company email context
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
6 roles
Leonardo S. work experience
A career timeline built from the work history available for this profile.
Data Engineer
CurrentData 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
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
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
Software Engineer working with APIs, TDD, CI/CD workflows and communication with Mobile applications.
Aug 2019 - Mar 2020
Team & coworkers
Colleagues at Visa
Other employees you can reach at visa.com. View company contacts for 28536 employees →
CH
Cameron Heslin
Colleague at VisaWaterlooville, England, United Kingdom, United Kingdom
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JH
Justin Herman
Colleague at VisaGreater Sioux Falls Area, United States
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RY
Ratnavali Yerubandi
Colleague at VisaEast Godavari, Andhra Pradesh, India, India
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MP
Mahendra Pratap
Colleague at VisaJaipur, Rajasthan, India, India
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RC
Rommel Cifra
Colleague at VisaMetro Manila, Philippines
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EL
Elinor Lee
Colleague at VisaSan Francisco, California, United States, United States
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WM
Wassim Matar
Colleague at VisaHalmstad, Halland County, Sweden, Sweden
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HA
Haily A.
Colleague at VisaAustin, Texas Metropolitan Area, United States
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TL
Tess Luis
Colleague at VisaSouth San Francisco, California, United States, United States
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AN
Andrew Norfolk
Colleague at VisaSan Francisco Bay Area, United States
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Cameron Heslin
Colleague at VisaWaterlooville, England, United Kingdom, United Kingdom
View →
JH
Justin Herman
Colleague at VisaGreater Sioux Falls Area, United States
View →
RY
Ratnavali Yerubandi
Colleague at VisaEast Godavari, Andhra Pradesh, India, India
View →
MP
Mahendra Pratap
Colleague at VisaJaipur, Rajasthan, India, India
View →
RC
Rommel Cifra
Colleague at VisaMetro Manila, Philippines
View →
EL
Elinor Lee
Colleague at VisaSan Francisco, California, United States, United States
View →
WM
Wassim Matar
Colleague at VisaHalmstad, Halland County, Sweden, Sweden
View →
HA
Haily A.
Colleague at VisaAustin, Texas Metropolitan Area, United States
View →
TL
Tess Luis
Colleague at VisaSouth San Francisco, California, United States, United States
View →
AN
Andrew Norfolk
Colleague at VisaSan Francisco Bay Area, United States
View →
3 education records
Leonardo S. education
Master'S Degree, Computer Science
Bachelor'S Degree, Computer Science
Curso Técnico Integrado, Computer Science
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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