Oracle Certified Associate, Java SE 8 Programmer
July 2023
Oscar Mejia
Senior Java Developer/ Spring Engineer
Software engineer specializing in enterprise backend solutions, secure microservices, event-driven architecture, cloud-native deployments, and high-performance data platforms.
Technical Skills
Certifications
Microsoft Certified: Azure Developer Associate
August 2021
Microsoft Certified: Azure Fundamentals
June 2021
Certified System Architect (CSA) Pega
April 2019
Highlights
- Designed and delivered secure, scalable RESTful services with Spring Boot and Spring Security.
- Built resilient event-driven integrations using Kafka for high-throughput systems.
- Optimized relational and NoSQL data access across Oracle, SQL Server, MySQL, and Azure Cosmos DB.
- Implemented CI/CD quality gates with Jenkins, Sonar, and Git-based workflows.
Core Strengths
- Microservices architecture
- Batch processing and data pipelines
- API security and observability
- Cloud readiness and DevOps collaboration