> Markdown version of [/jobs/ext/4720331-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/4720331-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** TransCore, LP - **Location:** Norcross, GA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Microsoft Azure, Cloud Engineering, Code Review, Continuous Integration, DevOps, Payment Systems, Microsoft Windows SDK, PCI Data Security Standards, Software Engineering, Google Cloud, Event Driven Architecture, Information Technology, Graphql, Api Design, Restful APIs, Stream Processing, Microservices - **Published:** November 14, 2026 - **Apply:** https://www.jofdav.com/jobs/60530610-principal-software-engineer ## About the Role * Expertise in cloud-native architecture (AWS, Azure, GCP), microservices, and event-driven systems; experience with high-volume, real-time data processing. * Proficiency in API design (RESTful/GraphQL) with experience showcasing applications across broad sets of use cases. * Strong working knowledge of modern engineering and DevOps practices, including CI/CD, infrastructure as code, and observability. * 10 years of professional software engineering experience, including sustained experience as a technical lead across multiple teams or systems., * Bachelor's degree in computer science or related field. * Typically requires 14 years of combined relevant software engineering experience and advanced education, including sustained experience as a technical lead across multiple teams or systems. * Proven track record of technically leading "zero to one" initiatives, especially in tech-heavy, regulated industries like transportation or infrastructure. * Strong communication skills and a proven ability to influence and coordinate across teams without formal authority. * Currently working as a hands-on individual contributor. Candidates whose recent roles have been primarily people management should note this role writes and reviews code and designs., * Master's degree or higher in Computer Science * Application of AI capabilities to improve workflow or deliver organizational efficiencies. * Knowledge of tolling, parking, or transportation technologies is a plus. * Experience working in cross-functional environments with a focus on platform SDK development. Physical Demands/Work Environment While performing the duties of this job, the employee may be seated for extended periods of time. The employee is occasionally required to stand, walk, and reach with hands and arms. The employee may occasionally lift and/or move up to 15 pounds. The noise level in the work environment is usually moderate. ## Description TransCore (TRN), a subsidiary of ST Engineering, is seeking a Principal Software Engineer to join our growing Smart Mobility Ecosystems team and help shape the architecture and technical direction of our next generation of mobility solutions., Be the hands-on technical authority for the Smart Mobility Platform and its expansion into a multi-modal mobility ecosystem. Requires deep expertise in cloud-native architecture, microservices, payment systems, and modern engineering practice. * Platform Subject Matter Expertise: Serve as the platform SME for Smart Mobility engineering leadership. Assess current engineering capabilities and architecture, and advise on the technology direction and standards we adopt going forward. * Hands-on Design & Implementation: Design, prototype, and implement cloud-native, microservices-based architectures, focusing on payment integration (PCI DSS), auto integrations, and API-first design to enable multi-vertical use cases as well as great end user experiences. Apply user-first thinking to determine other features or capabilities to build into the UI and ensure the architecture can support. * Scalability & Performance: Ensure high-performance, scalable systems for high-volume, real-time data processing. * Security & Compliance: Maintain system security and compliance with relevant regulations (PCI DSS, GDPR, etc.). * Cross-Team Collaboration: Work closely with product, platform, and application engineering teams to align designs, resolve cross-cutting technical issues, and keep teams on a consistent path. * Engineering Practices & Mentorship: Set and promote good practices (design reviews, code reviews, testing, observability, secure delivery), and mentor engineers across teams.