Fábio Dias Moreira, Developer in Ome, Tokyo, Japan
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Fábio Dias Moreira

Verified Expert  in Engineering

Software Developer

Ome, Tokyo, Japan

Toptal member since October 9, 2018

Expertise
PythonLinuxSQLGitJavaScriptPostgreSQLJavaCMySQLjQueryJiraSpringC++React.js
Bio

Fábio has nearly a decade of professional software development experience, primarily using Python as his main language. However, he's also proficient in Java and Kotlin and can delve into C/C++ or even x86-64 and ARMv8 assembly when necessary. With a Bachelor's Degree in Mathematics, Fábio is well-versed in mathematical problem modeling and brings a strong analytical perspective to his work.

Portfolio

Indeed
React, JavaScript, Java
Eleva Educação (formerly PENSI)
JavaScript, Python
Google
C++

Experience

  • Python - 10 years
  • JavaScript - 7 years
  • Java - 3 years
  • Mathematica - 1 year

Availability

Part-time

Preferred Environment

PostgreSQL, Python, IntelliJ IDEA, Linux

The most amazing...

...project I worked on was reverse-engineering the item-response theory parameters for questions from students' grades with simulated annealing.

Work Experience

Software Developer

2015 - PRESENT
Indeed
  • Hardened application security with reCAPTCHA, safe browsing and rate limiting.
  • Developed integration tests to ensure front-end reliability.
Technologies: React, JavaScript, Java

Software Developer

2011 - 2015
Eleva Educação (formerly PENSI)
  • Developed a CRM for student enrollment processing 150,000+ applicants a year.
  • Automated computer-vision scanning of multiple-choice answer sheets.
  • Ran IRT analysis and grading of national university admission exams.
  • Developed an automated exam formatter for teacher-created exams and teaching materials.
Technologies: JavaScript, Python

Software Engineer

2009 - 2011
Google
  • Implemented a system to automatically detect non-compositional compounds.
Technologies: C++

Experience

Admission CRM for Eleva

Developed a CRM to handle student admission for PENSI and associated schools.

Math and Informatics Olympiads

I've participated in math and informatics olympiads since 1997, including a silver medal in IMO a bronze medal in IOI, and winning the Google Code Jam Latin America.

Fabio has since been involved as a problemsetter, and was the team leader for Brazil in IOI 2018.

Education

2005 - 2008

Bachelor's Degree in Mathematics

Pontifícia Universidade Católica - Rio de Janeiro, Brazil

Certifications

JULY 2017 - PRESENT

Japan Kanji Aptitude Test N9

Japan Kanji Aptitude Testing Foundation

JULY 2017 - PRESENT

Japanese-Language Proficiency Test N4

Japan Educational Exchanges and Services

Skills

Libraries/APIs

React, jQuery

Tools

Git, IntelliJ IDEA, Jira, Mathematica

Languages

Python, SQL, JavaScript, Java, ARM Assembler, C, C++, Assembler x86, WordML

Platforms

Linux

Storage

PostgreSQL, MySQL

Frameworks

Spring

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