Gabriel Alfredo Montalvo García Software Engineer

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Backend Software Engineer

RetailCompass

Jun 2021 - Current (5 years 2 months)

High-Scale Backend Modernization, Data Processing & Observability Platform: Improving performance, scalability, real-time search, monitoring, tracing, and data lifecycle management across backend services. • Collaborated with the engineering team to migrate backend services from Spring Boot to Quarkus using GraalVM Native Image, reducing memory usage by 3x–10x in selected components. • Supported real-time, low-latency search capabilities by synchronizing data from MySQL into Elasticsearch through CDC-based pipelines. • Refactored event-driven workflows from single-event processing to batch-oriented processing across services and database access layers, improving scalability and throughput. • Reduced database storage usage by 40% and decrea
Junior Full-Stack Developer

Ibacrea

May 2020 - Jun 2021 (1 year 2 months)

Full-Stack Backend & AWS Application Support • Developed and maintained monolith backend applications using Java 8, Spring Boot, and MySQL. • Built frontend views with React.js and Semantic UI, integrating them with backend workflows. • Deployed and maintained applications on AWS, including EC2, Elastic Beanstalk, RDS MySQL, and S3. • Supported PHP/Apache workloads and Spring Boot services running behind Nginx. • Implemented GitLab CI/CD pipelines and configured SSL certificates using Let’s Encrypt and Certbot. • Built a Python script to automate Excel file generation for internal data processing. Key Technologies: Java 8, Spring Boot, MySQL, React.js, Semantic UI, AWS, EC2, Elastic Beanstalk, RDS, S3, GitLab CI/CD, PHP, Apache, Nginx, Py

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Gabriel Alfredo Montalvo García

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