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.

• 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

• 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