Hi, I'm Fratz Antigua

Responsibilities:

• Architected and implemented scalable RESTful and GraphQL APIs that significantly improved data retrieval efficiency and reduced client-side processing time
• Developed sophisticated automation workflows using n8n and custom integrations, streamlining business processes and dramatically reducing manual operations
• Built intelligent AI-powered systems leveraging OpenAI's GPT models and other LLMs to automate content generation, data processing, and decision-making workflows
• Created advanced automation pipelines that seamlessly integrate multiple APIs, databases, and third-party services, processing thousands of operations daily
• Developed responsive and interactive web applications using Angular, React, and Next.js with a focus on performance optimization and accessibility standards
• Designed and implemented custom LLM integrations that enhanced user experience through intelligent content recommendations and automated customer support
• Built robust backend systems using .NET, Node.js, and NestJS that handle high-volume traffic and complex business logic with exceptional uptime
• Engineered intelligent workflow automation systems that transformed processing time from hours to minutes while maintaining high accuracy
• Implemented AI-driven data analysis and reporting automation that provides real-time insights and substantially reduces manual reporting tasks
• Designed and optimized database schemas across NoSQL and SQL platforms, implementing efficient query patterns that improved response times
• Created automated monitoring and alerting systems using custom workflows that proactively identify and resolve issues before they impact users
• Implemented CI/CD pipelines and infrastructure-as-code practices within AWS, transforming deployment time from hours to minutes
• Led sprint planning and retrospectives in an Agile environment, consistently delivering features on time while maintaining high code quality
• Spearheaded the development of intelligent automation frameworks that adapt to changing business requirements using machine learning algorithms
• Collaborated with UX/UI designers to implement pixel-perfect interfaces that significantly increased user engagement metrics
• Reduced critical production issues through proactive monitoring, debugging, and implementing robust error handling strategies with automated workflows
• Conducted regular tech talks on emerging technologies and implemented proof-of-concepts for AI and cloud service integrations
• Spearheaded system architecture improvements that resulted in operational cost reduction and improved scalability
• Implemented comprehensive testing strategies with extensive code coverage, ensuring exceptional product quality and reliability

Responsibilities:

• Managed and optimized enterprise-level Atlassian ecosystem (Jira, Confluence, JSM) serving over 5000 users while significantly reducing ticket resolution time
• Provided expert-level L2 technical support for Atlassian products, resolving complex issues with consistently high customer satisfaction ratings
• Executed seamless data migration to new Atlassian versions using Postman and custom APIs, achieving zero data loss across hundreds of projects
• Identified and resolved critical application bottlenecks, dramatically improving system performance during peak usage periods
• Implemented strategic application enhancements that substantially increased user productivity and reduced manual processes
• Designed and optimized CI/CD pipelines that significantly reduced build times and deployment failures
• Automated deployment workflows using Jenkins and Docker, enabling much more frequent releases with consistent quality
• Developed sophisticated Bash scripts that automated routine administrative tasks, saving substantial time for the team weekly
• Reverse-engineered and modernized legacy pipeline systems, successfully migrating critical functionality from decommissioned scripts
• Created Python automation scripts that transformed QA testing cycles from days to hours while improving test coverage
• Implemented and optimized CAWA scheduling systems that greatly improved resource allocation efficiency
• Maintained meticulous documentation and code quality standards, resulting in dramatically fewer regression issues

Responsibilities:

• Developed advanced Shell scripts that automated the majority of manual test procedures, transforming testing time from days to hours
• Created sophisticated Python automation frameworks that substantially increased test coverage while maintaining excellent accuracy in defect detection
• Successfully migrated mission-critical Java applications from Solaris to Linux RHEL 8, upgrading from Java 1.8 to Java 14 with zero downtime
• Conducted comprehensive analysis of legacy system configurations, creating detailed compatibility mappings that ensured seamless transition to new environments
• Led complex database migration from Sybase to MySQL, preserving data integrity across numerous tables and optimizing query performance
• Engineered efficient CI/CD pipelines that dramatically reduced build times and deployment time, enabling more frequent releases

Responsibilities:

• Developed and maintained enterprise banking applications, implementing critical financial features that processed millions in daily transactions
• Achieved comprehensive test coverage through extensive djUnit test cases (SLK), substantially reducing post-deployment issues
• Pioneered Minaoshi methodology for systematic bug analysis, dramatically reducing recurring defects across multiple banking systems
• Established rigorous software testing protocols and validation procedures that significantly improved code quality metrics
• Architected data management systems for real-time analysis and built Azure DevOps pipelines that integrated with satellite systems, greatly reducing deployment time
• Led client consultations for software design requirements, resulting in higher customer satisfaction scores and repeat business
• Optimized legacy code bases, reducing memory usage and substantially improving application performance
• Implemented quality assurance processes that dramatically reduced critical bugs in production environments
• Successfully integrated RFID and EFT payment systems with point-of-sale applications, processing thousands of transactions daily with exceptional reliability
• Modernized legacy applications for compatibility with new hardware platforms while maintaining backward compatibility with existing systems
• Delivered feature enhancements that significantly increased application functionality while maintaining system stability