Renan Leandro Ferreira
Summary
👤
SeniorRenan Ferreira is a Senior Backend Developer with over a decade of production experience building high-scale Java and JavaScript systems for government, healthcare, and finance. He combines deep expertise in microservices, cloud platforms (AWS, GCP, Azure), and automated testing with a pragmatic focus on business impact—his Rate Engine saved a client $3M in six months and his work supported the Brazilian Transparency Portal at 1.1M daily page views. A hands-on tech lead and mentor, Renan has repeatedly introduced testing and CI practices that improved reliability and accelerated releases across teams. He’s comfortable across the full stack, creates reusable UI libraries, and optimizes Kafka-based pipelines processing millions of messages per day. Certified as a Google Professional Cloud Developer and Architect, he’s currently exploring advanced AI/ML applications to bring smarter automation into backend systems. Based in Brasília, he blends public-sector scale experience with private-sector efficiency and a continuous-improvement mentality.
11 years of coding experience
Stackoverflow
6,879reputation
2.3mreached
66answers
54questions
if-statement
top-5%
spring-mvc
top-5%
java
top-5%
spring
top-5%
Github Skills (84)
spring-mvc9
if-statement9
wysiwyg9
vuejs29
spring9
summernote9
java9
rest8
javascript8
elasticsearch8
backend8
axios8
multiselect8
minify8
spring-boot8
Programming languages (7)
Github contributions (5)
renanleandrof/io
Jan 2015 - Jul 2016
Contributions:1 release, 50 pushes, 1 tag in 1 year 6 months
renanleandrof/globo-sem-besteira
Jan 2016 - Jan 2026
Contributions:4 pushes, 1 branch in 10 years 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.