David Silva
Co-founder E CTO at Helena CRM
Minas Gerais, Brazil
Summary
👤
Senior🎓
Top SchoolDavid Silva is a seasoned technology leader and co-founder currently serving as CTO at Helena CRM, with 11+ years building and scaling software products from Brazil's Minas Gerais. He blends hands-on backend architecture—evidenced by contributions to the Brazilian payments library Boleto.Net—with strategic leadership roles, including CTO of Escola em Movimento and General Director at Arco Educação. His experience spans startups and larger organizations, guiding product integration through acquisitions and NASDAQ-listed environments. David pairs academic depth in IT management and information systems with practical expertise in payment integrations and banking business rules. He is comfortable moving between code, architecture, and executive decision-making, often turning regulatory complexity into reliable engineering solutions. Colleagues value his ability to translate local financial and educational domain knowledge into production-ready systems.
11 years of coding experience
10 years of employment as a software developer
Mestrado Sistema de informação e gestão do conhecimento, Mestrado Sistema de informação e gestão do conhecimento at Universidade FUMEC - Oficial
Github Skills (6)
net10
asp-net10
dotnet10
csharp10
dotnet-core10
unit-testing9
Programming languages (3)
Github contributions (5)
BoletoNet/boletonet
Jun 2015 - Sep 2016
Boleto.Net is a library developed for use in Brazil, given it has been programmed with Brazilian retail legislation and business rules for bank registered billing integration.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 10 PRs, 8 comments in 1 year 3 months
Contributions summary:David primarily contributed to the `boletonet/boletonet` project, which is a library for generating Brazilian bank slips. Their work involved implementing and validating bank slip features, focusing on the Banco do Brasil. The commits specifically added support for new bank slip variations (carteiras) and updated existing ones by modifying code and validating business rules. The user also added and modified tests to accommodate new implementations.
business-rulesasp-net-mvclegislationbillingbrazilian
jetdev/JetDev.Cielo
Sep 2015 - Oct 2016
Contributions:21 commits, 6 PRs, 17 pushes in 1 year 1 month
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