Senior Full-Stack Software Engineer – TS/SCI

Cornerstone Defense; Annapolis (MD); On-site; USD 210,000 - 230,000; Full time

Benefits offered by this job

Medical/Dental/ Vision

Generous PTO

401(k)

HSA/FSA

Life & Disability Insurance

Tuition Reimbursement

Perks at Work

Referral Program

CollegeAmerica 529

Fitness Reimbursement

Travel Assistance

Lifelock Benefit

Financial & Legal Services

Job summary

Cornerstone Defense is seeking a Senior Software Engineer (Full-Stack) to design, develop, and optimize complex software systems in support of national security missions. This role requires TS/SCI with poly and a strong background in modern full‑stack technologies.

Based in Annapolis Junction, MD, you will work on analytics, data processing, and real-time systems, collaborating with a cross‑functional team to deliver reliable, scalable solutions.

Qualifications

• Bachelor's degree in Computer Science or related discipline from an accredited college or university.
• Fourteen (14) years' SWE experience on programs and contracts of similar scope, type, and complexity.
• Active TS/SCI w/ Polygraph required to apply.

Responsibilities

• Analyze user requirements to derive software design and performance requirements
• Debug existing software and correct defects
• Design and code new software or modify existing software to add new features
• Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met

Job description

Cornerstone Defense is seeking a Senior Software Engineer (Full-Stack) to design, develop, and optimize complex software systems in support of national security missions. This role requires TS/SCI with poly and a strong background in modern full‑stack technologies.

Based in Annapolis Junction, MD, you will work on analytics, data processing, and real-time systems, collaborating with a cross‑functional team to deliver reliable, scalable solutions.