Johnny Wellington
Engenheiro De Software, CEO E Fundador at Arbeit Studio
Paraná, Brazil
Summary
👤
Senior🎓
Top SchoolJohnny Wellington is a software engineer and founder with 11 years of experience building and leading engineering teams across Brazilian fintech and product startups. He founded and leads Arbeit Studio after senior roles including Lead Software Engineer at Nubank and Engineering Manager at QuintoAndar, bringing a mix of hands-on development, mentorship, and product-focused leadership. His background spans CTO responsibilities, systems and telemetry development, and consultancy through Koda Software House, showing comfort with both technical architecture and operational delivery. Trained in computer engineering and mathematics, he pairs strong analytical rigor with practical implementation skills across backend and full-stack projects. Based in Paraná, Brazil, Johnny emphasizes execution over planning—reflected in his guiding quote—and often translates complex requirements into pragmatic, production-ready systems. He also has a track record mentoring engineers and shaping engineering processes in fast-paced, growth-stage companies.
11 years of coding experience
12 years of employment as a software developer
Formação básica. Ensino médio, Formação básica. Ensino médio at Colégio Estadual do ParanáBachelor's degree Mathematics, Bachelor's degree Mathematics at Universidade Federal do ParanáPontifical Catholic University of Paraná
Portuguese, English
Stackoverflow
139reputation
39kreached
5answers
2questions
Github Skills (105)
windows10
linux10
shell10
cli10
console10
android10
command-line10
relational9
rest9
crossbar9
mapper9
bash9
flask9
pony9
karabiner9
Programming languages (9)
Github contributions (5)
Arbeit-Studio/pom
Jul 2020 - Feb 2026
Python Object Mapper
Contributions:5 releases, 1 review, 3 PRs in 5 years 7 months
Arbeit-Studio/liasis
Jun 2018 - May 2020
A Pythonic Clean Architecture Framework
Contributions:27 commits, 6 PRs, 16 pushes in 1 year 11 months
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