Guilherme Meira
Verified Expert in Engineering
Back-end Developer
Vitoria - State of Espírito Santo, Brazil
Toptal member since March 4, 2021
Guilherme has been a software developer since 2016 when he completed his master's degree in computer engineering. He has developed and deployed computer vision solutions using OpenCV, C++, and Python, as well as back-end applications using Java and the Spring Framework. Guilherme has delivered innovative solutions related to poker, private jet booking, license plate recognition, and coffee bean image classification.
Portfolio
Experience
- Spring - 5 years
- Computer Vision - 5 years
- Java - 5 years
- OpenCV - 5 years
- Git - 5 years
- Python - 3 years
- Kotlin - 3 years
- React Native - 2 years
Work Experience
Back-end Developer
Vog App Developers
- Developed a back-end server for a poker assistant tool, using Java and Spring Boot.
- Designed and implemented a custom binary format for fast memory-mapped access to the large dataset behind the poker assistant tool.
- Migrated the Java back end of a private jet booking app and implemented new features integrated with the Salesforce CRM.
Senior Developer
ENGIS
- Created an image dataset, using Amazon Mechanical Turk.
- Trained neural networks for license plate recognition, using Python and TensorFlow.
- Implemented license plate recognition software in Python with TensorFlow and OpenCV.
- Built aspects of face recognition software, using OpenCV and Dlib.
- Implemented a fast face-matching algorithm, using CUDA.
Full-stack Developer
Kaffee
- Developed an image processing algorithm for the classification of raw coffee beans, using OpenCV and C++.
- Implemented a Java back end to provide access to the vision algorithms via HTTP.
- Developed the front end of a mobile application with React Native to capture pictures of the coffee beans and upload them to the back-end server for classification.
- Collected images to build a dataset and trained neural networks, using Caffe and Apache MXNet.
- Developed an application for internal company use, using Java, Spring, and Bootstrap.
Project History
Cofness Coffee Classification App
License Plate Recognition Software
Squidtool Poker Assistant
Education
Master's Degree in Computer Engineering
Worcester Polytechnic Institute - Worcester, MA, USA
Bachelor's Degree in Computer Engineering
Federal University of Espírito Santo - Espírito Santo, ES, Brazil
Certifications
Oracle Certified Professional
Oracle
Skills
Libraries/APIs
OpenCV, TensorFlow
Tools
IntelliJ IDEA, Git
Languages
Java, Kotlin, SQL, Python, C++, Java 11
Frameworks
Spring, Spring Boot, Spring Security, Hibernate, React Native, Bootstrap
Platforms
Linux, AWS Elastic Beanstalk, Amazon Web Services (AWS)
Storage
MySQL, Amazon S3 (AWS S3)
Other
Computer Vision, Computer Engineering, Software Development
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