Sr Software Engineer (C++, Python)

Fantom Corporation • Columbia, MD

2d • Onsite

About The Position

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 Full Stack Software Engineer to develop and maintain advanced applications supporting analyst workflows in a high-performance environment. This role focuses on building scalable full stack solutions using a combination of low-level and modern programming languages, while supporting containerized and distributed systems.
The ideal candidate has strong experience in C/C++ and Python development, along with expertise in Kubernetes and containerization technologies, and experience developing applications used by analysts or end users in mission-focused environments.

Requirements

• Must be fully cleared with a recent MD polygraph
• Must be willing and able to work fully onsite at the location listed in this posting
• Bachelor’s degree in Computer Science or a related field (or equivalent experience)
• 14+ years of experience as a Software Engineer
• Strong experience with full stack development
• Strong programming experience in C and C++
• Experience developing applications using Python (SWORD experience preferred)
• Experience working with Kubernetes (K8s)
• Experience with containerization technologies such as Docker
• Experience developing or supporting analyst-facing applications

Nice To Haves

• Experience working in distributed or cloud-based environments
• Familiarity with DevOps practices and CI/CD pipelines
• Experience optimizing performance for large-scale or high-throughput systems

Responsibilities

• Design, develop, and maintain full stack applications supporting analyst-driven use cases
• Develop backend systems and high-performance components using C and C++
• Build and integrate applications and tools using Python (including SWORD-based environments)
• Develop user-facing features and interfaces to support analyst applications
• Deploy and manage applications in containerized environments using Docker and Kubernetes
• Collaborate with cross-functional teams to define requirements and deliver scalable solutions
• Perform testing, debugging, and performance optimization across systems
• Support system integration and deployment within distributed environments
• Contribute to continuous improvement of application performance, scalability, and usability

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1-10 employees