Mid-Level Software Engineer

Fantom Corporation; Hanover (MD); On-site; USD 110,000 - 140,000; Full time

Job summary

Fantom Corporation in Hanover, Maryland is seeking a Software Engineer to design and develop complex software systems. The ideal candidate will work on data-intensive applications and must have strong experience in Java, Python, and SQL.

Key responsibilities include enhancing software based on requirements, developing features, and integrating systems. A Bachelor’s degree in Computer Science and 7+ years of experience are required. The role requires full onsite work and a recent MD polygraph clearance.

Qualifications

• 7+ years of experience in software engineering on programs of similar scope and complexity.
• Strong programming experience in Java and Python.
• Experience writing and optimizing SQL queries.

Responsibilities

• Design, develop, and enhance software systems based on documented requirements.
• Analyze user requirements to derive system and software design specifications.
• Develop new features and modify existing software to improve functionality.

Skills

Java

Python

SQL

Math/Algorithms

Education

Bachelor’s degree in Computer Science or related field

Tools

MATLAB

Job description

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 Software Engineer to design, develop, and maintain complex software systems supporting data-intensive and mission-critical applications. This role involves working on analytics, large-scale data processing, real-time systems, and enterprise applications. The ideal candidate will have strong experience in Java, Python, and SQL, and be comfortable working both independently and within a collaborative team environment.

Responsibilities

• Design, develop, and enhance software systems based on documented requirements
• Analyze user requirements to derive system and software design specifications
• Develop new features and modify existing software to improve functionality and performance
• Debug and resolve software defects and performance issues
• Integrate existing software into new or updated systems and environments
• Develop and execute database queries and support data repository interactions
• Design and implement complex database interfaces and data processing logic
• Develop algorithms to meet system performance and functional requirements
• Participate in software testing, validation, and documentation of results
• Review code and documentation to ensure compliance with design standards
• Provide recommendations for improving software development processes and documentation
• Support system design activities, including evaluating hardware/software trade-offs and reuse of existing solutions (COTS/GOTS)
• Collaborate with system engineers and stakeholders to analyze workflows, data usage, and system performance
• Contribute to team leadership activities as appropriate within the development process

Required Qualifications

• 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)
• 7+ years of experience in software engineering on programs of similar scope and complexity
• Strong programming experience in Java and Python
• Experience writing and optimizing SQL queries
• Experience developing, testing, and maintaining software systems
• Experience working with large datasets, analytics systems, or real-time applications
• Experience with software development methodologies and best practices

Desired Qualifications

• Experience using MATLAB for data analysis or algorithm development
• Experience developing advanced algorithms or working with scientific or mathematical models
• Experience working in Agile or similar development environments
• Experience leading small teams or mentoring junior developers
• #CJ