Jens Mikkelsen
Senior Javascript Engineer at Lumenalta (formerly Clevertech)
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolJens Mikkelsen is a Senior JavaScript Engineer with 11 years of hands-on experience designing full-stack systems, APIs, and data models across fintech, media, and consulting engagements. Based in São Paulo, he currently consults on architecture, Snowflake/Redshift ETL pipelines, and Apollo GraphQL at Lumenalta, combining front-end craft with pragmatic backend and data-layer design. His background includes co-founding a platform, leading front-end architecture for a trading app, and implementing containerized CI/CD pipelines—evidence of an operator who ships end-to-end solutions. Before industry roles he researched and taught distributed systems and Big Data at Universidad Tecnológica Nacional, so mentoring and clear technical communication are part of his toolkit. He champions DevOps culture and prioritizes business outcomes across the technology stack, often translating complex system constraints into practical, maintainable architectures. A polyglot problem-solver, he blends academic rigour with startup agility to tackle data-intensive, distributed challenges.
11 years of coding experience
12 years of employment as a software developer
Computing Technician Computing, Computing Technician Computing at Escuela de Educación Técnica Nº6 de MorónSwedish, Swedish at Instituto Sueco ArgentinoInformation Systems Engineer Información Systems, Information Systems Engineer Información Systems at Universidad Tecnológica Nacional
English, Swedish, Spanish, Portuguese
Stackoverflow
5,827reputation
1.9mreached
61answers
23questions
css
top-5%
git-svn
top-5%
twitter-bootstrap
top-5%
javascript
top-5%
html
top-5%
Github Skills (188)
xmlhttprequest10
postgresql10
identity10
databases10
inversion-of-control10
javascript-framework10
http-client10
apollo-client10
schema10
javascript10
decorators10
api10
sql10
html10
graphql-tools10
Programming languages (12)
Github contributions (5)
jbmikk/dstlib
Jun 2016 - Feb 2022
Contributions:164 pushes, 13 branches, 23 tags in 5 years 9 months
jbmikk/gltest
Apr 2016 - Aug 2022
Contributions:55 pushes, 1 branch in 6 years 5 months
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