Sean Castner
About Sean Castner
Sean Castner is a Software Engineer with extensive experience in backend and frontend development, currently employed at Kratos Defense and Security Solutions since 2016. He has a background in network support and satellite communications, along with a Bachelor's degree in Computer Science from Colorado Technical University.
Work at Kratos Defense and Security Solutions
Sean Castner has been employed as a Software Engineer at Kratos Defense and Security Solutions since 2016. In this role, he has developed backend software for both legacy and new platforms using Java and PostgreSQL within AWS environments. He has played a significant role in migrating legacy software and services to AWS EC2 instances and connecting them to an AWS PostgreSQL RDS. Additionally, he has contributed to the design of a new services platform aimed at enhancing service delivery reliability and stability.
Previous Experience at Jefferson County Public Schools
Before joining Kratos Defense and Security Solutions, Sean Castner worked at Jefferson County Public Schools as a Network Support Services Site Technician from 2009 to 2011. During his two years in this position, he provided technical support and maintenance for network systems in Arvada, Colorado.
Experience in the US Army
Sean Castner served in the US Army as a SATCOM Operator and Maintainer from 2008 to 2016. His eight years of service at Peterson AFB, Colorado, involved managing satellite communications systems, contributing to his technical expertise in the field.
Education and Expertise
Sean Castner studied Computer Science at Colorado Technical University, where he earned his Bachelor's degree from 2018 to 2022. His education has equipped him with a solid foundation in software development and engineering principles, which he applies in his current role.
Technical Skills and Contributions
In his professional capacity, Sean Castner has actively participated in Scrum and Kanban methodologies, contributing to daily standups. He has implemented microservices architecture using Docker, NodeJS, Typescript, and GraphQL. Additionally, he has created frontend applications using Angular, Typescript, CSS, SCSS, HTML, and JavaScript, and maintained comprehensive documentation using TSDoc and OpenAPI specifications.