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
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $4.9k
Billed in all: $27,648$28k
$1.6k in the last 6 months
Across 15 contracts
Earnings, last 30 days
Skill rankings: Top 5% in XML Web Services
Ranked by MRR among everyone on Upwork with the skill.
- XML Web Services63 freelancers · 🇦🇷 #1Top 5%🇦🇷#1 of 1
- #28J2EE239 freelancers · 🇦🇷 #1Top 12%🇦🇷#1 of 2
- #30Web Services Development238 freelancers · 🇦🇷 #2Top 13%🇦🇷#2 of 4
- #147Cloud Architecture966 freelancers · 🇦🇷 #2Top 15%🇦🇷#2 of 6
- #255Spring Boot2,150 freelancers · 🇦🇷 #6Top 12%🇦🇷#6 of 23
- #291Tableau2,183 freelancers · 🇦🇷 #4Top 13%🇦🇷#4 of 38
- #328GitHub2,823 freelancers · 🇦🇷 #9Top 12%🇦🇷#9 of 39
- #928Java8,313 freelancers · 🇦🇷 #19Top 11%🇦🇷#19 of 91