Fratz Antigua

Managed and optimized enterprise-level Atlassian ecosystem for 5000+ users, reduced ticket resolution time, and provided expert L2 technical support with high customer satisfaction. Executed data migrations with zero loss, identified application bottlenecks, designed CI/CD pipelines to reduce build times, and automated deployments via Jenkins and Docker. Developed Bash and Python scripts to automate tasks and QA testing, modernized legacy systems, optimized resource allocation with CAWA scheduling, and maintained strong documentation and code quality standards.

Architected scalable RESTful and GraphQL APIs, developed advanced AI-powered systems using OpenAI's GPT models, and implemented automation workflows with n8n to streamline processes and reduce manual operations. Built responsive web applications using Angular, React, and Next.js focused on performance and accessibility. Engineered backend systems with .NET, Node.js, and NestJS handling high-volume traffic with high uptime. Designed and optimized database schemas across various platforms and implemented automated monitoring and alerting systems. Led Agile sprint planning and drove system architecture improvements that enhanced scalability and operational cost efficiency while implementing CI/CD pipelines and infrastructure-as-code in AWS.

Automated manual test procedures through advanced Shell and Python scripting, improved test coverage and defect detection accuracy. Migrated critical Java applications from Solaris to Linux with zero downtime and led complex database migrations from Sybase to MySQL while ensuring data integrity and performance optimization. Built efficient CI/CD pipelines that reduced build and deployment times, enabling more frequent releases.