Sérgio Kopplin
Software Engineer at AlphaSights
São Paulo, Brazil
Summary
🤩
Rockstar🎓
Top SchoolSérgio Kopplin is a seasoned Software Engineer with 11 years of experience building front-end focused web platforms, currently contributing as a Senior Frontend on AlphaSights’ Experts team using React, Next.js and GraphQL. He has led frontend efforts at major Latin American tech companies like Loft, AMARO and SEEK, shaping DX, monorepo strategies and UX-focused product work while mentoring junior engineers. Comfortable across the stack, Sérgio pairs modern frontend frameworks with Node, AWS and backend languages like Kotlin and Ruby to deliver performant, production-ready systems. He maintains a polished personal site and an actively curated minimalist Jekyll template on GitHub, reflecting an eye for design and tooling that improves developer experience. Based in São Paulo, he balances technical rigor with creativity—he’s also a musician who brings that creative perspective into thoughtful UI and UX decisions.
11 years of coding experience
10 years of employment as a software developer
Tecnólogo em Sistemas para Internet, Tecnologia da Informação, Tecnólogo em Sistemas para Internet, Tecnologia da Informação at Centro Universitário das Faculdades Metropolitanas
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (11)
css10
template-tags10
template-engine10
templater10
jekyll10
front-end-development9
html9
blogger8
sass8
blogpost8
blogspot8
Programming languages (8)
Github contributions (5)
sergiokopplin/indigo
Jan 2016 - Dec 2024
Minimalist Jekyll Template, dark and light themes
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:8 releases, 10 reviews, 181 PRs in 9 years
Contributions summary:Sérgio primarily focused on implementing and maintaining various components of a Jekyll template. Their work involved fixing URLs, updating files, and incorporating new features like pagination. They also added improvements to the styling of the site by updating heading font-weights and adding text decorations, indicating a focus on both the front-end and potentially some back-end configuration of the Jekyll build process.
jekylltemplateindigodark-themelight-theme
sergiokopplin/todo-mvc
Aug 2017 - Mar 2020
:notebook_with_decorative_cover: todo-mvc example
Contributions:1 PR, 199 pushes, 5 branches in 2 years 7 months
todomvc
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