Customer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; knows about available products and services; is committed to providing quality products and services. You may qualify at the GS-12, if you fulfill the following qualifications: One year of specialized experience equivalent to the GS-11 grade level or equivalent under other pay systems in the Federal service, military, or private sector: Participates in the entire software development life cycle to include project initiation, requirements gathering, software design, coding, testing, and deployment, and works directly with the contractor who develops software applications.