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Leonardo L.
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Leonardo L.

CTO | AWS Architect |Java Expert | SpringBoot | React | SQL

As a Director of Technology, Leonardo combines deep technical expertise with strategic leadership. He excels at building resilient backends, driving architecture decisions, and aligning technology with business goals. Leonardo is a Senior Java Developer and AWS Certified Solutions Architect with 15+ years of experience designing cloud-native systems and leading cross-functional teams. He has delivered scalable, mission-critical platforms for high-growth startups and enterprises across Latin America. 🔹 Java, Spring Boot, REST APIs, Hibernate, Maven, Gradle 🔹 AWS (EC2, S3, Lambda, Route 53, CloudFront, IAM, CloudWatch, ECS, ECR, Load Balancers) 🔹 Microservices, RabbitMQ, asynchronous/event-driven architecture 🔹 MySQL, PostgreSQL, SQL optimization, Redis, Liquibase 🔹 CI/CD pipelines, Docker, Git, Bash scripting, Linux administration 🔹 Reporting & analytics: Tableau, Power BI, MyDBR, complex SQL views 🔹 Team leadership, agile delivery, digital transformation, mentoring tech teams

🇦🇷Belen de Escobar, Argentina$50/hr100% JSS5.00 (6)Since May 2023
GlobeUpwork

Earnings and projects

MRR
$822

Last 6 months ÷ 6

World#56,838 / 412k
🇦🇷Country#624 / 4,639
Revenue, last 30 days
$0

Last 6 months: $4.9k

Total earnings
$26k

Billed in all: $28k

World#120,930 / 412k
🇦🇷Country#1,266 / 4,639
Per project
$1.9k

$1.6k in the last 6 months

World#81,484 / 412k
🇦🇷Country#852 / 4,639
Projects, last 6 months
3
33% fixed67% hourly
World#66,479 / 412k
🇦🇷Country#714 / 4,639
Projects in all
14

Across 15 contracts

47% fixed53% hourly
World#168,283 / 412k
🇦🇷Country#1,574 / 4,639

Earnings, last 30 days

$27.6kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$27.0k$27.5k$28.0k$28.5kOct 8Oct 23Nov 7

Skill rankings: Top 5% in XML Web Services

Ranked by MRR among everyone on Upwork with the skill.

  1. 3XML Web Services63 freelancers · 🇦🇷 #1Top 5%
  2. #28J2EE239 freelancers · 🇦🇷 #1Top 12%
  3. #30Web Services Development238 freelancers · 🇦🇷 #2Top 13%
  4. #147Cloud Architecture966 freelancers · 🇦🇷 #2Top 15%
  5. #255Spring Boot2,150 freelancers · 🇦🇷 #6Top 12%
  6. #291Tableau2,183 freelancers · 🇦🇷 #4Top 13%
  7. #328GitHub2,823 freelancers · 🇦🇷 #9Top 12%
  8. #928Java8,313 freelancers · 🇦🇷 #19Top 11%