Applicants must have demonstrated experience as listed below. This requirement is according to the AO Classification, Compensation, and Recruitment Systems which include interpretive guidance and reference to the OPM Operating Manual for Qualification Standards for General Schedule Positions. Specialized Experience: Applicants must have at least one full year (52 weeks) of specialized experience which is in or directly related to the line of work of this position. Specialized experience is demonstrated experience in agile development methodologies and executing application architecture tasks within an open-source framework and in cloud services with experience in at least one cloud provider, proficiently defining and enforcing established architectural frameworks and best practices tailored for large-scale, high-traffic web-based and mobile applications, such as Node.js, Angular, ReactJS, Python, etc.