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Flavio R.

Flavio R.

Senior Software Engineer | Java Backend Developer

Experienced Senior Software Engineer with a rich 12-year journey in software development, renowned for my commitment to delivering impactful solutions. My expertise lies in Java Backend, with a strong command over the Spring Framework, RabbitMQ, Kafka, and Redis. I have extensive experience in architecting microservices solutions, utilizing on-premise or cloud infrastructure, with a deep understanding of AWS Cloud. Over the past 2 years, I have achieved significant milestones leading a backend team, driving notable achievements that reduce process time, enhance business efficiency, or resolve chronic problems in main workflows. I am passionate about continuous learning and acquiring new knowledge, which I consistently apply in my daily work. My goal is to find solutions that effectively address business challenges and drive meaningful outcomes.

🇧🇷Araraquara, Brazil$40/hr90% JSS5.00 (5)Since May 2025

Earnings and projects

MRR
$6.5k

Last 6 months ÷ 6

World#3,350 / 412k
🇧🇷Country#61 / 4,647
Revenue, last 30 days
$6k

Last 6 months: $39k

World#4,065 / 412k
🇧🇷Country#76 / 4,647
Total earnings
$111k
World#34,686 / 412k
🇧🇷Country#382 / 4,647
Per project
$22k

$19k in the last 6 months

World#5,009 / 412k
🇧🇷Country#107 / 4,647
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇧🇷Country#908 / 4,647
Projects in all
5

Across 6 contracts

0% fixed100% hourly
World#266,042 / 412k
🇧🇷Country#2,519 / 4,647

Earnings, last 30 days

$111k+$6k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$105k$110k$115kOct 8Oct 23Nov 7

Skill rankings: Top 1% in MySQL

Ranked by MRR among everyone on Upwork with the skill.

  1. 2Splunk107 freelancers · 🇧🇷 #1Top 2%
  2. 2New Relic36 freelancers · 🇧🇷 #1Top 6%
  3. #5JUnit186 freelancers · 🇧🇷 #1Top 3%
  4. #9Oracle490 freelancers · 🇧🇷 #1Top 2%
  5. #17RabbitMQ552 freelancers · 🇧🇷 #1Top 3%
  6. #23Cloud Computing1,432 freelancers · 🇧🇷 #3Top 2%
  7. #28Redis1,774 freelancers · 🇧🇷 #2Top 2%
  8. #35Apache Kafka981 freelancers · 🇧🇷 #1Top 4%