NPNilson Tinassi Peres
@nilsontinassiperes
Experienced technical support specialist with a focus on data engineering.
BrazilWhat I'm looking for
With over 10 years of diverse experience in technical support and engineering, I have honed my skills in managing projects and leading teams across various sectors. My journey has taken me from sales management to data engineering, where I have successfully executed complex migrations and refactored systems to achieve remarkable performance improvements.
At Amdocs/T-Mobile, I played a pivotal role in enhancing the telecom experience for nearly 100 million customers by managing the migration from Azure/MariaDB to Snowflake. My efforts led to the creation of over 2,000 tables and 100 procedures, significantly improving operational efficiency. I am passionate about leveraging technology to solve real-world problems, as demonstrated by my achievements in developing automation solutions that save time and resources.
I am now seeking new challenges as a Data Engineer or in related roles, where I can continue to apply my expertise in Python, cloud technologies, and data management to drive impactful results.
Experience
Work history, roles, and key accomplishments
Data Engineer
Amdocs/T-Mobile
Oct 2021 - Present (3 years 8 months)
Managed and executed the full migration from Azure/MariaDB to Snowflake, creating 2,000+ tables, 100+ procedures, and 30+ Python applications. Refactored the network slicing solution, improving performance by 100x (reducing execution time from 6 hours to 5 minutes for 8,000 antennas).
Project Manager
Alliage Global
Oct 2020 - Present (4 years 8 months)
Designed an alternative motherboard (circuit board design, production management in China, C/Assembly code updates) to restart production lines affected by the global chip shortage. Developed three industrial automations to replace manual processes, reducing the workforce needed by 40% and saving approximately R$120,000 per year.
Sales Manager
Seffer Inox
Jun 2019 - Present (6 years)
Led a team of sales representatives to achieve 250% revenue increase YoY. Managed a team of eight sales representatives across multiple states in Brazil, providing training, technical support, and back-office assistance.
Data Scientist
3P Tecnologia
Dec 2018 - Present (6 years 6 months)
Developed a computer vision solution to classify customers by age and gender, enabling in-store purchase behavior mapping. Won the Leroy Merlin Hackathon with a proposal for improved asset management across store locations.
Application Engineer
Siemens
Jan 2018 - Present (7 years 5 months)
Developed seven global cybersecurity standards for digital substations. Led weekly project alignment meetings with colleagues from Siemens in Nuremberg, Germany.
Education
Degrees, certifications, and relevant coursework
UPUniversidade de São Paulo
Master's, Computer Science
Grade: 3.94/4.0
Created an application for object detection and tracking of people and vehicles using AWS Rekognition, Azure AI Vision, GCP AI Vision, and edge computing. Implemented tracking solutions in Cloud environments (AWS App Run, Azure Container Apps, GCP Cloud Run) and for edge computing using Raspberry Pi 4 Model B. The application core was developed in Python, utilizing YOLO, OpenCV, and PyTorch, with
UPUniversidade de São Paulo
Electrical Engineering, Electrical Engineering
Grade: 7.5/10.0
Studied Electrical Engineering at one of Latin America's top universities, gaining a strong foundation in engineering principles. Achieved a GPA of 7.5/10.0, demonstrating proficiency in the field.
Availability
Location
BrazilAuthorized to work in
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