Senior Full Stack Developer

Markon • Chantilly, VA

5h • $180,000 - $200,000

About The Position

Markon is seeking an experienced Senior Full Stack Developer to support a large-scale (200+ FTE) technical development program focused on the Sponsor’s IdAM/ICAM initiatives within a secure network environment. This role requires significant hands-on software development experience across modern front-end frameworks and back-end services. The ideal candidate will design and deliver reliable, scalable, and secure enterprise solutions in a collaborative, mission-driven setting.

Requirements

• Active TS/SCI with Polygraph
• Bachelor’s degree and 6–10 years of relevant experience
• Strong experience with modern front-end frameworks (Angular, React, Vue, etc.)
• Experience building RESTful APIs using TypeScript (e.g., NestJS)
• Experience developing enterprise applications in AWS environments
• Ability to plan, prioritize, and manage tasks effectively
• Strong written and verbal communication skills
• Ability to work independently and collaboratively in a fast-paced environment
• Experience collaborating with cross-functional teams including Development, Systems Engineering, Security Compliance, and QA

Nice To Haves

• Experience with containers (Docker, Podman) and orchestration platforms (Kubernetes)
• Experience with serverless platforms (e.g., AWS Lambda)
• Familiarity with the security accreditation process
• Experience working in Agile, SAFe, or Scrum environments

Responsibilities

• Design, develop, and implement robust, resilient enterprise applications
• Deliver software solutions aligned with Sponsor requirements
• Support development within secure cloud environments (AWS)
• Develop modern front-end applications using Angular (experience with React or Vue also valued)
• Develop back-end services using TypeScript, including building RESTful APIs with NestJS
• Create test scripts and perform unit testing
• Collaborate with cross-functional teams including software engineers, system engineers, cybersecurity engineers, DBAs, and system architects
• Utilize Agile methodologies to manage workload and deliver iterative improvements
• Work closely with security engineers to address and remediate findings from system security scans

Benefits

• Medical
• Dental
• Vision
• Life Insurance
• Short-Term Disability
• Long-Term Disability
• 401(k) match
• Flexible Spending Accounts
• EAP
• Training and Tuition Assistance
• Paid Time Off
• Holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level