About the role:As a Principal Engineer, you will join one of our product lines and work with agile teams responsible for developing web-based versions of our core applications. With your help, our teams will also identify opportunities to trial and deploy new applications and tools.You will use your full-stack software engineering experience to architect and develop a mix of custom and third-party solutions to help us maintain our leadership position in transportation technology.   What’s in it for you: Position based in Cincinnati, OH; Charlotte, NC; or Tampa, FL (relocation assistance provided) Health, Dental, and Vision coverage to best fit your needs, including a plan that takes $0 out of your paycheck + 401(k) with company match Access to the latest emerging technologies Influence and build the future of TQL Technology A culture of continuous education and technical training (and reimbursements for the same) Hybrid work environment with the ability to work remotely 40 hours per month We win wherever we go – Voted a 2019-2024 Computerworld Best Places to Work in IT   What you'll be doing: Lead and collaborate with cross-functional, full-stack agile teams to deliver software solutions that meet customer needs Design and build hybrid, on-prem, and cloud-based APIs and web-based applications Participate in and lead the full SDLC including technical research, requirements gathering, design, development, testing, deployment, and maintenance Actively participate and lead architectural design sessions Mentor junior and senior engineers across the organization Deliver industry-leading full-stack solutions to help support rapid growth of our business   What you need: 8+ years of hands-on, full-stack development experience: Web applications and web Services, REST APIs, .NET (C#), Front-end tools (TypeScript, React), databases (MS SQL Server). We accept proficiency in similar technologies with an eagerness to learn our stack. 3+ years leading multiple teams with a proven track record of delivering solutions on time Extensive experience with horizontally scalable and highly available system design and implementation, with focus on performance and resiliency Experience with Infrastructure as a Code (Terraform), containerization (Docker, Kubernetes), CI/CD (Jenkins, Circle CI), and operational tools (ServiceNow, DataDog) Experience with modern development practices (DevOps) and coaching others in those areas Microsoft Azure and cloud technology experience is a plus Willingness to commit extra effort to meet deadlines as required for high profile and business-critical projects   Where you’ll be: 200 Regency Executive Park Dr., Suite 100 & 200, Charlotte, NC 28217