Senior Software Engineer

Colonial has provided a wide range of opportunities for job candidates who are highly qualified, skilled, motivated and team players. Employees find exciting opportunities to grow and develop their careers at a stable company which offers a generous compensation and benefits package that includes annual incentive bonuses, retirement plans, insurance coverage and a host of other features that support a happy, active, productive and rewarding life.

Come to Colonial, a great place to work, where people matter most, and where safety 24/7 is paramount. Ready to work for Colonial Pipeline Company? Are you intrigued by the thought of being part of revolutionizing the energy industry and a new era in the pipeline industry? Do you want to be a part of a company that is obsessed with excellence in everything we do?

A company growing and expanding our business that is full of opportunity? If so, we are seeking smart, safety focused, and energetic professionals to join our team to help us to the next level of excellence! What is it that we do at Colonial Pipeline Company? Colonial Pipeline is the largest refined products pipeline in the United States, transporting more than 100 million gallons or 2.5 million barrels per day.

Colonial transports various grades of gasoline, diesel fuel, home heating oil, jet fuel, and fuels for the U.S. military through a pipeline system. Colonial transports approximately 45 percent of all fuel consumed on the East Coast, providing refined products to more than 50 million Americans.

• Design, develop, and maintain scalable applications using Angular, .NET, and C#.
• Build and enhance Angular- and Blazor-based user interface components for enterprise applications.
• Develop and consume RESTful APIs and backend services.
• Design and implement solutions using Microsoft Azure services, including App Services, Microsoft Entra , and cloud-native architecture patterns.
• Help modernize legacy applications using cloud-native and other modern architecture patterns.
• Write clean, maintainable, and testable code that follows software engineering best practices.
• Troubleshoot and resolve production issues with strong ownership and follow-through.
• Perform code reviews and contribute to overall engineering quality.
• Collaborate with business analysts, product owners, quality assurance professionals, and other engineers to deliver effective solutions.
• Support CI/CD pipelines and modern software development lifecycle practices.
• Provide production support, including participation in on-call rotations, incident response, root cause analysis, and preventive improvements.
• Mentor junior engineers and provide technical leadership through design reviews, knowledge sharing, and engineering best practices.

• Bachelor’s degree in Computer and Information Science.
• 7–9 years of professional software development experience designing, developing, deploying, and supporting enterprise software applications.
• 4–6 years of demonstrated expertise in Angular or modern front‑end development and C#/.NET development.
• 7–9 years of experience developing REST APIs, integrating front-end and back-end components, working with relational databases, and supporting business‑critical production systems.
• Experience using AI‑assisted development tools to improve software delivery, code quality, troubleshooting, testing, documentation, and engineering productivity.
• Experience troubleshooting complex production issues and participating in operational support or on‑call activities.
• Ability to lift 20 pounds from floor to waist.

• Experience with Microsoft Azure cloud services.
• Experience in industrial settings or with mission‑critical applications.
• Understanding of pipeline business…