Software Developer

ISPA Technology, LLC; Panama City Beach (FL); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health, vision, and dental coverage

Generous PTO and paid holidays

401(k) with company match

Life and disability insurance

Job summary

ISPA Technology, LLC is seeking a Software Developer to support DoD modeling and simulation projects in Panama City Beach, FL. You’ll maintain and enhance mature codebases in Fortran and C, and help develop new capabilities for high-assurance software used in operational decision support.

You will work with engineers and subject matter experts to translate complex requirements into dependable software and conduct thorough testing to ensure computational accuracy and reliability.

Qualifications

• Proficient in Fortran and C development and maintenance.
• Experience with scientific, engineering, numerical analysis, or modeling software.
• Ability to understand, troubleshoot, and modify established codebases.
• Strong debugging, testing, and version-control capabilities.
• Translate mathematical/technical requirements into software implementations.
• Maintain computation accuracy and reliable software behavior.

Responsibilities

• Develop, maintain, debug, and enhance Fortran/C software.
• Support modeling, simulation apps, and numerical algorithms.
• Identify defects, performance limitations, and improvement opportunities.
• Integrate new capabilities while preserving existing functionality.
• Create and run regression tests and compare with reference results.
• Investigate discrepancies and work with experts to resolve them.
• Support builds, configuration management, and release activities.
• Document changes, assumptions, tests, and user guidance.
• Adhere to security requirements for handling sensitive information.

Skills

Fortran

C

Numerical analysis

Debugging

Version control

Requirements translation

Education

Bachelor’s degree in Computer Science or related field

Tools

Git

Build tools

Linux/Windows environments

Job description

Position Title: Software Developer
Location: Panama City Beach, FL
Clearance: Secret

Position Overview

ISPA Technology is seeking a Fortran/C Developer to support modeling, simulation, and scientific software applications for Department of Defense customers. This position involves maintaining and enhancing established software packages, developing new capabilities, and supporting the accuracy and reliability of computational models.

The successful candidate will work with software developers, engineers, and technical subject matter experts to translate complex requirements into dependable software. This role is well suited to someone who enjoys understanding mature codebases, solving numerical problems, and improving software used for technical analysis and operational decision support.

Responsibilities

• Develop, maintain, debug, and enhance software written in Fortran and C.
• Support modeling and simulation applications, numerical algorithms, and associated analysis tools.
• Evaluate existing code to identify defects, performance limitations, and opportunities for improvement.
• Integrate new capabilities while preserving established functionality and computational accuracy.
• Develop and execute software tests, including regression tests and comparisons against established reference results.
• Investigate discrepancies in model outputs and collaborate with technical experts to resolve them.
• Support software builds, configuration management, integration, and release activities.
• Document software changes, technical assumptions, test results, and user guidance.
• Follow applicable security requirements and procedures for handling sensitive information.

Required Qualifications

• Active Secret or higher security clearance.
• Demonstrated experience developing and maintaining software in Fortran and C.
• Experience working with scientific, engineering, numerical analysis, or modeling and simulation software.
• Ability to understand, troubleshoot, and modify an established codebase.
• Working knowledge of software debugging, testing, version control, and configuration management.
• Ability to translate mathematical or technical requirements into software implementations.
• Strong analytical skills and attention to computational accuracy.
• Ability to communicate technical findings clearly and collaborate with a multidisciplinary team.
• Bachelor’s degree in Computer Science, Software Engineering, Mathematics, Physics, or a related technical discipline, or equivalent relevant experience.

Preferred Qualifications

• Experience with both legacy and modern Fortran.
• Experience integrating Fortran and C components.
• Familiarity with numerical methods, statistical analysis, or physics-based simulation.
• Experience with scientific software verification and validation.
• Familiarity with Windows or Linux development environments, compilers, build tools, and debugging utilities.
• Experience supporting Department of Defense software development or technical programs.

WhyChoose ISPA Technology?

• Competitive salary packages with bonus potential.
• Comprehensive health, vision, and dental coverage.
• Generous PTO allotment and 11 paid holidays.
• Robust life and disability insurance options.
• 401(K) with company match, for your future.
• A culture of recognition and rewards for your contributions.
• Opportunities for relocation and professional development.

This is a fast-paced and impactful position where your expertise will directly contribute to meeting criticalGovernment customer requirements. You'll be part of a dedicated team that values efficiency, precision, and collaboration.