Embedded Software Engineer (AFC Device)

Job Title: Embedded Software Engineer (AFC Device)

About the Role

STraffic America, headquartered in Vienna, Virginia, is a leading provider of Automatic Fare Collection (AFC) systems for major U.S. transit agencies. As the U.S. subsidiary of STraffic — a global transportation solutions company with over 20 years of experience — we deliver innovative fare gate technology, open-payment solutions, and real-time fare collection systems that keep cities moving. We are looking for a Mid-level Embedded Software Engineer to join our team, responsible for designing, developing, and testing software for AFC devices. This role also supports on-site/remote deployment, configuration, testing, and troubleshooting by analyzing system logs and data to diagnose and resolve issues efficiently.

Location: Vienna, VA (On-site)

Employment Type: Full-time

Duties/Responsibilities

• Participate in designing, coding, testing, and deploying software


• Provide technical support during the AFC device installation. (on-site and remote)


• Help troubleshoot and resolve operational issues as they arise (on-site and remote)


• Conduct basic testing and validation to ensure software performance and reliability


• (on-site and remote)


• Contribute to preparing and updating technical documentation


• Support project-related tasks and deliverables as assigned by the manager

Basic Qualifications

• 4-5 years of experience in software development


• Ability to learn and apply programming concepts effectively.


• Familiar with the following program languages:


• C, C#, Python.


• Familiar with the following IDEs: Visual Studio, Visual Code.


• Familiar with the following development environments: Windows OS, STM32.


• Strong problem-solving and troubleshooting mindset.


• Good teamwork and communication skills

Preferred Qualifications

• Basic computer network knowledge.


• Experience in serial communication programming


• Experience in TCP/IP communication programming


• intermediate conversational skill in Korean

Travel Requirements

• Available for interstate/abroad business travel by air.