William Marquardt
Sr. Back End Engineer II at Loadsmart
Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolWilliam Marquardt is a Sr. Back End Engineer with 11 years building scalable backend, infrastructure and DevOps solutions across startups and large media-tech firms. He has driven zero-downtime migrations, designed DBaaS-like platforms, and led payment and freight-audit workstreams that reduced manual effort and accelerated carrier payments. Comfortable defining architecture and technical specs, he moves between monoliths and microservices, authors performance optimizations, and has stepped into tech-lead and founder-engineer roles. His toolkit spans Python, Go, Kubernetes, GCP, Redis, MySQL/MongoDB and CI/CD automation, with an active interest in cybersecurity and open source. Based in Santa Catarina, Brazil, he combines hands-on execution (including personally migrating high-traffic systems) with a knack for improving developer productivity via tooling and experimental features.
11 years of coding experience
11 years of employment as a software developer
Technical certificate, Network and System Administration/Administrator, Technical certificate, Network and System Administration/Administrator at SENAI/SC - Serviço Nacional de Aprendizagem IndustrialPontifical Catholic University of ParanáNorth Paraná University
Portuguese, English
Stackoverflow
171reputation
7kreached
3answers
2questions
Github Skills (94)
to-do10
python-client10
grocery-crud10
client-library10
crud10
git10
gitignore10
customisation10
version-control10
google-api10
php10
aws10
codeigniter10
database9
csv9
Programming languages (7)
Github contributions (5)
wmarquardt/wmarquardt.com
May 2021 - May 2024
my personal website
Contributions:2 PRs, 58 pushes, 1 branch in 3 years
hugo
globocom/FoxHA
Sep 2021 - Dec 2021
FoxHA is a high availability solution for MySQL
Contributions:3 releases, 48 commits, 3 PRs in 2 months
high-availabilityavailabilitymysql
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