Senior Software Engineer

Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth. We are seeking a Senior Software Engineer to support a mission-critical enterprise. This position serves as the principal authority for enterprise software architecture, development standards, application moderization, and secure software delivery across complex environments. Responsibilities Design, develop, test applications while establishing architectural frameworks. Develop best practices and create modernization strategies This role combines strategic technical leadership with hands-on engineering expertise to deliver scalable, secure and high performing solutions. Required Qualifications Must posses an active Top Secret Clearance Must be willing and able to obtain a polygraph Bachelor’s degree with 10+ years of relevant experience, or Master’s degree with less than 2 years of relevant experience 10+ years of experience in application development, including test driven development. 10+ years of experiene with Python. 10+ years of experience across the software development life cycle.