Senior Software Engineer - PKI & Python Web Apps

Sabree Software Services, Inc. (S3) in Northern Virginia seeks a senior Software Engineer with a minimum of 10 years of hands-on experience supporting mission-critical systems for federal and commercial clients. The role emphasizes secure software design, Python integration in web applications, and PKI/AD CS familiarity. Join an elite team delivering architecture, full-stack development, usability testing, and project management services.