Sean Gilman

Led and managed two cross-functional engineering teams (10 total engineers) across distinct domains, improving collaboration and increasing team productivity by 20%. Directed high-level architectural planning to ensure scalability and system performance, including guiding the successful revival of a stalled multi-domain architecture transformation. Stepped in as interim Product Owner, managing bac

Engineered and led the migration of a monolithic legacy codebase to a modular microservice architecture, improving system maintainability and reducing deployment complexity by 35%. Mentored three junior developers, leading to measurable improvements in code quality and onboarding efficiency. Refactored a mission-critical production application, consolidating fragmented logic and introducing operat

Led certification and review of 200+ OpenAPI Specification (OAS) files, ensuring alignment with internal API governance. Automated the OAS certification process, saving 25 engineer-hours per week. Integrated API design checks via a custom linter and GitHub webhook, and built a CI/CD-based system for early detection of design violations, reducing rework and increasing delivery speed.

Designed and implemented monitoring and upgrade validation tools for the Operations Team, improving deployment accuracy and reducing post-release issues by 40%. Led the modularization of a legacy monolithic application, enhancing scalability and enabling parallel development. Developed a custom Maven plugin and a cloud-based management console to streamline environment configuration.

Managed a team of four developers across multiple projects using waterfall, scrum, and kanban methodologies. Designed tools and backend services to enhance operational efficiency. Led the shift to a new architecture, improving scalability and reducing system complexity.

Developed tools and services to support Operations, improving system reliability and workflow efficiency. Provided architectural guidance and resolved production issues, reducing downtime. Contributed to core application rewrites and introduced a new unit testing strategy, boosting defect detection by 25%.

Led a team of three and overhauled back-office automation by replacing PERL scripts with a scalable Java web app. Improved disaster recovery, standardized tools, and streamlined team workflows. This initiative significantly enhanced efficiency and system robustness.

Managed UPM deployments and provided 24/7 support for critical systems. Refactored monitoring and build systems, enhancing performance and modularity. This role ensured high availability and efficient operation of key applications.

Directed automation projects improving SLA compliance and process efficiency. Built systems for reporting, archiving, and failure tracking. These systems streamlined operations and enhanced data management capabilities.

Processed and researched claims with 98% accuracy, streamlining resolution methods. This role involved meticulous attention to detail and efficient problem-solving to ensure accurate claim handling.

Developed and maintained custom e-commerce and CMS web solutions for various clients. This involved full-stack development, ensuring robust and user-friendly online platforms. The role required strong technical skills and client communication.

Led feature development for eBusiness platforms, enhancing system reliability. This involved overseeing the implementation of new functionalities and ensuring the stability of critical business systems. The role required strong technical leadership and problem-solving skills.

Built online stores and proof-of-concept XML order tracking systems. This involved developing front-end and back-end components to create functional e-commerce solutions. The role required proficiency in web technologies and an understanding of business requirements.

Integrated web front-end for real-time credit applications and supported fraud protection systems. This role involved ensuring seamless user experience and robust security measures for financial applications. It required strong technical skills in web integration and security protocols.

Completed an Associate of Arts degree with a focus on computer programming and analysis. Gained foundational knowledge and practical skills in software development.