Thalles Della Nina Koester
Engenheiro De Dados Sênior at Orange Business
Rio de Janeiro, Brazil
Summary
👤
Senior🎓
Top SchoolThalles Della Nina Koester is a Senior Data Engineer based in Rio de Janeiro with 11 years of experience in web development and over four years focused on data analysis, designing secure, scalable data platforms that drive business decisions. He combines a background in cybersecurity and game development with hands-on expertise in Python, React, SSAS, Power BI and FastAPI to optimize OLAP models, KPIs and pipelines. At Orange Business he reduced a semantic model size by 44%, consolidated distributed pipelines into a unified flow, and sped DataHub page loads by 65% while delivering zero-incident front-end migrations. He mentors junior engineers, builds internal platforms (DataHub, Pigeon) and champions API-first, cost-aware designs that balance performance and maintainability. Microsoft Azure certified and award-winning in hackathons, Thalles brings a practical security mindset—having built an OAuth2 RBAC service—to analytics engineering. Colleagues describe him as a pragmatic problem-solver who turns complex requirements into measurable, production-ready outcomes.
11 years of coding experience
4 years of employment as a software developer
WebMaster HTML5 RWD CSS3 PHP Jquery SEO, WebMaster HTML5 RWD CSS3 PHP Jquery SEO at UpInside TreinamentosBacharelado Engenharia de Computação, Bacharelado Engenharia de Computação at Cefet/RJ - Centro Federal de Educação Tecnológica Celso Suckow da FonsecaSegurança da Informação Teste de Intrusao, Segurança da Informação Teste de Intrusao at Desec security
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (37)
html5-audio10
video-player10
player10
videojs10
html5-video10
javascript9
html9
botnet8
routes8
aprender7
routeros7
http-router7
flarum7
que6
persist5
Programming languages (7)
Github contributions (5)
thalleskoester/stealth_bot
Oct 2016 - Oct 2018
Contributions:13 commits, 2 PRs, 12 pushes in 2 years
porphpbotaprenderlogica
thallesdella/localizar
Nov 2019 - Dec 2019
Contributions:20 PRs, 67 pushes, 8 branches in 23 days
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