Jefferson Daniel
São Paulo, Brazil
Summary
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SeniorJefferson Daniel is a seasoned Python developer based in São Paulo with 15 years of experience building backend systems and data-processing platforms across startups and enterprise environments. He has delivered production microservices and automation that reduced manual workflows and environment provisioning time—most recently driving mortgage-processing backend work at Pennymac. His background spans real-time financial integrations, alternative trading systems, and large-scale data pipelines using Python, Django/Flask, Celery, Kafka/Pulsar, AWS, Kubernetes and PostgreSQL. Jefferson has repeatedly turned complex integration challenges (Plaid/Dwolla, OpenStack demos, document validation) into reliable, observable services that improved operational efficiency. Self-taught and pragmatic, he combines deep hands-on engineering with a track record of creating reusable frameworks to accelerate ML and batch model deployments. Colleagues rely on him for shrinking delivery timelines and stabilizing distributed systems in production.
15 years of coding experience
11 years of employment as a software developer
English
Github Skills (11)
commit-message8
nameko6
python5
microservices4
logging1
aws-autoscaling1
editor1
logger1
logstash1
text-editor1
command-line1
Programming languages (2)
Github contributions (5)
jdsolucoes/Pymodoro
Apr 2011 - Jun 2015
Contributions:28 commits, 2 pushes in 4 years 2 months
jdsolucoes/Recomemdo
Jan 2015 - Aug 2015
Contributions:4 PRs, 10 pushes, 1 comment in 6 months
reactredes-sociaiscssjavascriptnodejs
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