Traffic Software Engineer

Zachary Piper Solutions is seeking a Traffic Software Engineer to support a company focused on advancing intelligent transportation systems, traffic operations, and next-generation mobility technology. This position is on-site in Mclean, VA. The Traffic Software Engineer will analyze traffic performance, design operational improvements, and support simulation-based testing for transportation and autonomous systems. Join a mission-driven team dedicated to making roadways safer, smarter, and more efficient.

Responsibilities for the Traffic Software Engineer include:

• Conduct traffic analysis across roadway links, intersections, and full transportation networks
• Design traffic safety and operational solutions such as smart signals, sensors, ATMS tools, and infrastructure improvements
• Build and run traffic models and simulations, including scripting, API integrations, and hardware-in-the-loop testing
• Perform testing and validation of traffic models, simulation performance, and ITS system functionality

Required Qualifications for the Traffic Engineer include:

• 0-4 years of experience for Junior / 4-8 years of experience for Mid-Level roles
• Strong Python skills in a Linux environment (C++ preferred)
• Experience with unit and integration testing within CI workflows
• Proficiency with API integrations and data format adapters (e.g., JSON ↔ XML)
• Experience using Git for version control
• BS/BA in a relevant field or equivalent work experience (see experience tiers)

Compensation for the Traffic Software Engineer includes:

• Salary Range: $80,000-130,000 **Depending on experience**
• Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement, Sick leave as required by law

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Keywords: traffic engineer, Python, Linux, C++, ITS, traffic modeling, traffic simulation, hardware-in-the-loop, transportation engineering, API integration, Git, CI/CD, JSON, XML, autonomous systems, robotics