Israel Teixeira
Founder & CEO at NaN Systems
Rio de Janeiro, Brazil
Summary
👤
Senior🎓
Top SchoolIsrael Teixeira is a founder and CEO with 17 years of experience building data-driven products for advertising, legal services, and civic projects from Rio de Janeiro. He leads NaN Systems, where a small team has delivered measurable impact for clients like Coca‑Cola, Nestlé (via WMcCann), FGV and legal startups such as minutario.online, combining product thinking with hands‑on engineering. A Python and Django specialist who prefers pragmatic front-ends with HTML/CSS and d3.js, he spans the stack from embedded devices to data visualization and ML prototypes. His background in research and public-sector projects (FGV, Info Dengue, legal meta-databases) informs a strong practice in data collection, NLP and scalable crawling/processing pipelines. He also contributes to open-source tooling—improving a PHP boleto generator—showing willingness to get into legacy code and shipping practical fixes. Comfortable switching between consultancy and product roles, he focuses on turning complex domain problems into automations that increase velocity and value.
17 years of coding experience
11 years of employment as a software developer
Licentiate degree, Informatics, Licentiate degree, Informatics at Universidade Veiga de AlmeidaMaster's degree, Applied Mathematics, Incomplete, Master's degree, Applied Mathematics, Incomplete at Fundacao Getulio Vargas / FGV
Github Skills (8)
banking10
php10
refactoring10
bank10
integrate10
integrations10
refactor10
testing9
Programming languages (10)
Github contributions (5)
CobreGratis/boletophp
Feb 2011 - May 2015
Projeto Código-Aberto de Sistema de Boletos bancários em PHP
Role in this project:
Back-end Developer
Back-end DeveloperContributions:45 commits, 1 PR, 1 push in 4 years 3 months
Contributions summary:Israel focused on enhancing the `boletophp` project, a PHP-based system for generating bank slips. Their primary contributions involved refactoring code, specifically replacing `split` with `explode` for improved efficiency. The user also added functionality for generating bank slips for the Sofisa bank, implementing new features and fixing existing components. Furthermore, the user was involved in testing and code validation to ensure functionality.
sistemariosprojetophpbanco
prefeiturasp/SME-Livro-Aberto
Oct 2018 - Jan 2020
Projeto de Transparência Orçamentária da Secretaria Municipal da Educação de São Paulo
Contributions:763 commits, 98 pushes, 15 branches in 1 year 3 months
amentprojetoria
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.