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Work Background
Senior Java Software Engineer
Zup InnovationSenior Java Software Engineer
Apr. 2024 - Feb. 2026São Paulo, BrasilDesigned and maintained microservices using Java 17 and 21, supporting ~12–18 million API requests/day with 99.95% uptime. Reduced average API latency from ~420ms to ~190ms (≈55%) by introducing async processing, connection pooling, and caching strategies. Implemented Kafka, SQS, and SNS pipelines processing 8k–12k TPS during peak financial operations. Deployed cloud infrastructure on AWS ECS Fargate and EC2, reducing infrastructure costs by ≈28% through right‑sizing and autoscaling policies. Automated infrastructure provisioning with Terraform, decreasing environment setup time from 2 days to 45 minutes. Improved deployment frequency from bi‑weekly to multiple releases per day using CI/CD pipelines. Implemented observability dashboards, reducing production incident detection time by ≈60%. Integrated OAuth2 and SSO, securing 100% of Open Finance endpoints under regulatory compliance. Technologies: Java 17/21, Spring Boot, Liferay, AWS, Kafka, SQS, SNS, Docker, Terraform, PostgreSQL, Oracle, MySQL, OAuth2, Datadog, Kubernetes
Java Developer
GlobantJava Developer
Dec. 2022 - Apr. 2024São Paulo, BrazilSupported backend services handling 3–5 million daily transactions across LATAM banking systems. Reduced CI pipeline execution time by 40% through Maven optimization and parallel testing. Increased automated test coverage from 62% to 85%, reducing production defects by ~35%. Enabled containerized integration testing with Testcontainers, cutting environment-related failures by 70%. Contributed to microservices scalability improvements supporting 4x traffic growth without downtime. Technologies: Java, Spring Boot, Jenkins, Maven, Kafka, SQL, Terraform, Docker, Testcontainers, Postman, SoapUI
Senior Java Developer
CapcoSenior Java Developer
Apr. 2021 - Dec. 2022Led migration of core banking modules from monolith to microservices, reducing deployment risk incidents by ≈45%. Improved system throughput from ~1,800 TPS to 5,200 TPS after architecture refactoring. Reduced average batch processing time by 60% using parallel processing and optimized SQL queries. Optimized CI/CD pipelines, decreasing release cycle time from 5 days to <24 hours. Mentored 6+ engineers, improving sprint delivery predictability by ~30%. Technologies: Java 11/17, Spring Boot, Docker, Jenkins, GitLab CI, Microservices, SQL, AWS
Center Senior Specialist
NTTDATACenter Senior Specialist
Apr. 2019 - Apr. 2021Uberlândia, Minas GeraisDeveloped microservices processing 2+ million requests/day with Oracle and WebLogic backend systems. Reduced memory consumption by 35% through JVM tuning and connection pooling optimization. Improved API response time by ~48% after migrating critical endpoints to Spring Boot microservices. Automated CI pipelines are reducing manual deployment effort by 75%. Supported migration of Angular frontend integration, increasing user adoption by ~40%. Technologies: Java, Spring Boot, Kafka, Liferay, Oracle, Docker, Jenkins, GitLab, Angular
Software Engineer
TQISoftware Engineer
Nov. 2017 - Mar. 2019Uberlândia Area, BrazilContributed to the microservices platform handling ~900k daily transactions. Improved system availability from 98.7% to 99.9% through fault-tolerant service design. Reduced regression defects by 50% using BDD with Gherkin and automated pipelines. Decreased database query execution time by ~42% via indexing and query refactoring.
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