Nelson Senna
Senior Software Engineer at Otera
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolNelson Senna is a Senior Software Engineer with 13 years of experience building and modernizing large-scale web applications and distributed systems from São Paulo. He combines strong object-oriented foundations and TDD discipline with hands-on delivery—designing micro-frontend architectures, Python AWS CDK components, and backend services that powered startups to multi-million dollar ARR. Nelson has led and mentored distributed teams across time zones, instituted engineering best practices, and shipped high-throughput APIs and automation that reduced manual work (e.g., automating 40% of payments). Comfortable in startup environments, he has a track record of stabilizing fragile platforms, improving deployment velocity, and introducing tooling and processes that raise code quality. Colleagues rely on him for practical architecture decisions that balance scalability, maintainability, and rapid iteration.
13 years of coding experience
12 years of employment as a software developer
Tecnólogo em Processamento de Dados, Análise e Desenvolvimento de Sistema, Tecnólogo em Processamento de Dados, Análise e Desenvolvimento de Sistema at Faculdade de Tecnologia de São Paulo
Portuguese, English
Stackoverflow
646reputation
27kreached
4answers
4questions
phpunit
top-5%
Github Skills (130)
raygun9
phpunit9
runner9
refactoring9
fluent-interface9
stylecop9
validation8
error-reporting8
pdf8
weasyprint8
converter8
factory8
error-handling8
lambda7
build-automation7
Programming languages (11)
Github contributions (5)
nelsonsar/sweethome
Sep 2013 - May 2017
Home sweet home
Contributions:56 commits, 10 pushes in 3 years 8 months
sweet
nelsonsar/nelsonsar.github.io
Feb 2015 - Jun 2019
A lot of ideas
Contributions:5 PRs, 63 pushes, 2 branches in 4 years 4 months
lotjavajavascript
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