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Principal Software Engineer

  • Hybrid work
  • Full time, Day
  • Travel: Yes, 5% of the time

Job Category: Engineering / Product Development

Job Level: Director/Senior Director

Division: Cox Automotive


  • 6325 Peachtree Dunwoody Rd, Atlanta, Georgia
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As a Principal Software Engineer, you will play a pivotal role in designing, developing, and implementing cutting-edge software solutions. Your expertise will contribute significantly to the success of our projects and drive innovation within the Release Train.

Key Responsibilities :

  • Write and maintain code within applications and systems to implement capabilities and features, improve performance and maintainability, and reduce technical debt in alignment with product and technology roadmaps.
  • Lead complex software systems' design, architecture, and development, ensuring scalability, reliability, and performance.
  • Troubleshoot problems and develop POC
  • Mentor and guide a team of software engineers, providing technical expertise and fostering a culture of innovation and excellence.
  • Collaborate with cross-functional teams to define technical requirements and translate them into robust software solutions.
  • Conduct code reviews, identify areas for improvement, and implement best practices to maintain code quality and efficiency.
  • Stay updated with emerging technologies and industry trends, integrating new tools and methodologies to enhance product development.

Agile Planning :

  • Work with Product Management to understand the challenges customers and end users face in their day-to-day work and partner with them to design viable solutions.
  • Recommends viable solutions to processes, technology, and interfaces that improve the team's effectiveness and reduce technical debt.
  • Foresees capacity requirements for component usage and identifies limitations.
  • Provides input into story sizing, backlog grooming, and release planning.

Product Development:

  • Contributes to product and solution designs to address critical issues and complex problems.
  • Builds software applications across multiple platforms in response to the needs of stakeholders.
  • Understands technical architecture and writes software and automated tests that are aligned with agreed upon standards.
  • Performs troubleshooting efforts and investigations when necessary.

Application Support:

  • Provides ongoing support, monitoring, and maintenance of deployed products.

Advice and Guidance:

  • Actively works with less experienced software engineers, providing technical guidance and oversight.

Emerging Technology Monitoring:

  • Actively participates in the engineering community, staying current on new software technologies and best practices and sharing insights with others in the organization.

Mentor and support the entire Release Trains of 10 scrum onshore and offshore teams of software engineers, providing guidance, support, and solutions to complex problems. Foster a positive and collaborative team culture.

Collaborate with other stakeholders, such as Product, UX, other Engineering Managers, and Operations, etc, to ensure the successful delivery of integrated software solutions.

Performance Management:
Establish and monitor key performance indicators and metrics to measure team and individual performance. Provide regular feedback and conduct performance reviews.

Resource Management:
Manage resource allocation, budgeting, and capacity planning for the software development team.

Ensure proper documentation of code and technical processes for future reference and maintenance.

Qualifications :

  • Bachelor’s degree in Computer Science or related discipline and 10 years' experience in a related field. The right candidate could also have a different combination, such as a Master’s degree and 8 years' experience; a PhD degree and 5 years' experience in a related field; or 22 years' experience in a related field.
  • Proven experience as a principal software engineer or similar role.
  • Strong leadership and team management skills.
  • In-depth knowledge of software development methodologies, best practices, and technologies.
  • Excellent problem-solving and decision-making abilities.
  • Strong communication and interpersonal skills.
  • Ability to work in a fast-paced and dynamic environment.
  • Knowledge of quality assurance and testing processes.
  • Familiarity with agile and/or DevOps practices is a plus.
  • Working with offshore and nearshore model.
  • Ability to absorb complex information and communicates effectively at all levels to both technical and non-technical audiences.
  • Capable of understanding the implications of new technologies.
  • Experience in promoting compliance with relevant stakeholders.

Extensive experience in the following :

  • Proven experience in .NET development, with expertise in C#
  • Extensive knowledge of cloud-native architecture and experience with AWS services (e.g., EC2, S3, Lambda, RDS, etc.)
  • Objective-oriented analysis, system design and programming principles
  • Experience with Postgres, MySQL or other relational databases, including schema design and query optimization
  • High-volume, high availability, high-performing web applications
  • Cloud-native applications and their lifecycle management in the cloud
  • Microservices architecture & various monitoring and operational components
  • Automated testing technologies and build automation tools
  • User interface design patterns, visual design elements, web technologies, and development methodologies
  • UI based development/presentation/test frameworks (React, Node, Bootstrap, Redux)
  • Source control management, including advanced branching and merging patterns (GHE)

Knowledge of the following tools :

  • MySQL, Postgres, SNS / SQS, ECS, Elastic / Open Search, Redis, Twilio Sendgrid, BFF
  • Github Enterprise, Nuget, .net 7 microservices, Hangfire, Single-SPA, and others.

Drug Testing:

To be employed in this role, you'll need to clear a pre-employment drug test. Cox Automotive does not currently administer a pre-employment drug test for marijuana for this position. However, we are a drug-free workplace, so the possession, use or being under the influence of drugs illegal under federal or state law during work hours, on company property and/or in company vehicles is prohibited.


Compensation includes a base salary of $156,200.00 - $260,400.00. The base salary may vary within the anticipated base pay range based on factors such as the ultimate location of the position and the selected candidate’s knowledge, skills, and abilities. Position may be eligible for additional compensation that may include an incentive program.


The Company offers eligible employees the flexibility to take as much vacation with pay as they deem consistent with their duties, the company’s needs, and its obligations; seven paid holidays throughout the calendar year; and up to 160 hours of paid wellness annually for their own wellness or that of family members. Employees are also eligible for additional paid time off in the form of bereavement leave, time off to vote, jury duty leave, volunteer time off, military leave, parental leave, and COVID-19 vaccination leave.

About Cox Automotive

At Cox Automotive, people of every background are driven by their passion for mobility, innovation and community. We transform the way the world buys, sells, owns and uses cars, accelerating the industry with global powerhouse brands like Autotrader, Kelley Blue Book, Manheim and more. What’s more, we do it all with an emphasis on employee growth and happiness. Drive your future forward and join Cox Automotive today! 

About Cox

Cox empowers employees to build a better future and has been doing so for over 120 years. With exciting investments and innovations across transportation, communications, cleantech and healthcare, our family of businesses – which includes Cox Automotive and Cox Communications – is forging a better future for us all. Ready to make your mark? Join us today! 


Benefits of working at Cox may include health care insurance (medical, dental, vision), retirement planning (401(k)), and paid days off (sick leave, parental leave, flexible vacation/wellness days, and/or PTO). For more details on what benefits you may be offered, visit our benefits page.

Cox is an Equal Employment Opportunity employer - All qualified applicants/employees will receive consideration for employment without regard to that individual’s age, race, color, religion or creed, national origin or ancestry, sex (including pregnancy), sexual orientation, gender, gender identity, physical or mental disability, veteran status, genetic information, ethnicity, citizenship, or any other characteristic protected by law. Cox provides reasonable accommodations when requested by a qualified applicant or employee with disability, unless such accommodations would cause an undue hardship.

Statement to ALL Third-Party Agencies and Similar Organizations: Cox accepts resumes only from agencies with which we formally engage their services. Please do not forward resumes to our applicant tracking system, Cox employees, Cox hiring manager, or send to any Cox facility. Cox is not responsible for any fees or charges associated with unsolicited resumes.

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"Cox is different from other companies because it's an enterprise of learning. They have a mindset of making YOU better. We aren't just achieving goals. We're here to make new ones."

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