We are seeking a Full Stack Software Engineer to support the Air Force Research Laboratory (AFRL) at Hanscom AFB in Lexington, MA. This role supports a newly awarded R&D contract with AFRL and offers an opportunity to work directly on advanced defense initiatives in a secure, mission-critical environment. The ideal candidate will be able to provide immediate engineering support to AFRL researchers and consultants while developing into a Subject Matter Expert (SME) for the program. This is a long-term position where commitment and stability are essential — candidates with a history of frequent job changes (every 12 months or less) will not be considered.