Hello! I'm Jeferson de Oliveira Batista, a dedicated and passionate software engineer based in Vila Velha, Brazil. With a strong background in computer science, I have experience developing and maintaining backend and frontend web applications, focusing on delivering practical solutions that support customer service teams. I enjoy working with multiple programming languages and technologies, always seeking to improve system efficiency and usability. Over the years, I've contributed to various projects including public safety data integration and machine learning research, co-authoring academic papers along the way. I actively support fellow students and professionals by mentoring and assisting with programming and algorithms. With a pleasant and collaborative approach, I strive to make technical concepts accessible and solutions user-friendly.

Jeferson de Oliveira Batista

Hello! I'm Jeferson de Oliveira Batista, a dedicated and passionate software engineer based in Vila Velha, Brazil. With a strong background in computer science, I have experience developing and maintaining backend and frontend web applications, focusing on delivering practical solutions that support customer service teams. I enjoy working with multiple programming languages and technologies, always seeking to improve system efficiency and usability. Over the years, I've contributed to various projects including public safety data integration and machine learning research, co-authoring academic papers along the way. I actively support fellow students and professionals by mentoring and assisting with programming and algorithms. With a pleasant and collaborative approach, I strive to make technical concepts accessible and solutions user-friendly.

Available to hire

Hello! I’m Jeferson de Oliveira Batista, a dedicated and passionate software engineer based in Vila Velha, Brazil. With a strong background in computer science, I have experience developing and maintaining backend and frontend web applications, focusing on delivering practical solutions that support customer service teams. I enjoy working with multiple programming languages and technologies, always seeking to improve system efficiency and usability.

Over the years, I’ve contributed to various projects including public safety data integration and machine learning research, co-authoring academic papers along the way. I actively support fellow students and professionals by mentoring and assisting with programming and algorithms. With a pleasant and collaborative approach, I strive to make technical concepts accessible and solutions user-friendly.

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Experience Level

Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Intermediate

Work Experience

Software Engineer II at Pagar.me of Stone Co
January 1, 2022 - Present
Develop, test, maintain, and monitor backend and frontend internal web applications that support the customer service team. Assist in design decisions for new solutions and help the customer service team in using the internal tools.
Developer - Intersep Project at NEMO lab of UFES
December 31, 2019 - August 20, 2025
Worked on public safety data integration project using Java programming, SQL databases, and operational ontology to integrate and analyze data effectively.
Programming Researcher (Scientific Initiation) at NINFA lab of UFES
December 31, 2018 - August 20, 2025
Programming in Java focused on a machine learning project and co-authorship of two academic articles on the topic, contributing to innovative research in machine learning.

Education

Bachelor’s Degree in Computer Science at UFES - Universidade Federal do Espírito Santo
January 11, 2030 - July 1, 2018
Master’s Degree in Computer Science at UFES
January 11, 2030 - March 1, 2022
Web Full-Stack Development Course at Driven Education
January 11, 2030 - July 1, 2022

Qualifications

C basic programming monitoring
January 1, 2021 - December 31, 2021
English Course (Levels 4 to 9)
January 1, 2016 - December 31, 2018

Industry Experience

Education, Software & Internet, Government

Experience Level

Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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