Sr Software Engineer; Python, C++

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 design, develop, and maintain complex software systems supporting high-performance and data-intensive applications. This role focuses on building scalable solutions in Linux environments, with an emphasis on Python and C++ development, real-time processing, and advanced algorithm implementation.

The ideal candidate has extensive experience working across the full software development lifecycle and is comfortable leading technical efforts while collaborating with cross-functional engineering teams.

• Design, develop, and maintain complex software systems based on defined requirements
• Analyze user and system requirements to derive software design and performance specifications
• Develop new software features and enhance existing applications to improve functionality and performance
• Debug and resolve software defects and performance issues
• Implement and optimize algorithms to meet system performance and timing requirements
• Integrate software components into new or existing systems and environments
• Develop and execute test procedures and validate software performance
• Design and implement database queries and data processing logic
• Produce and review technical documentation for software and system components
• Collaborate with system and hardware engineers to define requirements, constraints, and interfaces
• Evaluate software design trade-offs, including reuse of existing solutions (COTS/GOTS)
• Monitor system performance and ensure operational requirements are met
• Provide recommendations to improve development processes, documentation, and system performance
  
  Lead or support software development teams and ensure delivery aligns with project 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 in programs of similar scope and complexity
• Strong experience developing software in Linux environments
• Strong programming experience in Python and C++
• Experience developing and maintaining complex software systems, including real-time or data-intensive applications
• Experience implementing algorithms and working with large data sets
• Experience with software testing, debugging, and performance optimization
• Experience working with software development methodologies and best practices

• Experience with Digital Signal Processing (DSP) or Radio Frequency (RF) systems
• Experience working in distributed or high-performance computing environments
• Experience leading technical teams or mentoring junior engineers
• #CJ