Principal Software Development Engineering

Car Gurus-posted 3 months ago

Full-time • Senior

Hybrid • Boston, MA

1,001-5,000 employees

Publishing Industries

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At CarGurus, we are looking for an accomplished and motivated Principal Software Engineer to provide technical leadership for international product initiatives in our Canadian and UK markets. In this role, you'll collaborate with multiple cross-functional teams, mentor engineers, drive complex architectural decisions, and ensure the delivery of robust, high-quality solutions that respond to the evolving demands of our international business. Success in this role requires a balance of deep technical expertise and strong business judgement to guide teams in making strategic technology decisions that align with both immediate and future product needs. You must quickly learn and adapt to new challenges, working closely with engineers and stakeholders to translate requirements into scalable solutions.

Work closely with engineers, product managers, and stakeholders across the company to gather new product requirements and transform them into effective technical solutions.
Own the full development lifecycle from refining initial concepts and architecting advanced features as robust microservices, to implementing and delivering practical, high-quality systems.
Contribute to high standards of quality by ensuring code is reliable, performant, and well-tested, with automated tests across the testing pyramid that ensure strong production health of our systems.
Promote a culture of observability by helping teams leverage operational metrics to diagnose, mitigate, and resolve challenging production issues across multiple services and boost operational excellence.
Use AI technologies, optimizing the software development process and driving greater efficiency across teams.
Mentor engineers by offering guidance, actionable feedback, and insightful recommendations to support sound technical decision-making.

Bachelor's degree or higher in Computer Science or similar; or equivalent experience in computer science fundamentals including data structures, algorithms, design patterns, and complexity analysis.
8+ years of experience as a professional Software Engineer, including 3+ years serving as a technical lead or principal engineer working with Java (or similar languages), and frameworks such as Spring Boot and Hibernate.
5+ years of experience designing, building, deploying, scaling, testing, and evolving distributed systems and high-volume transaction applications using service-oriented architecture in 24/7 production environments.
2+ years of experience using cloud infrastructure technologies such as AWS, Terraform or similar cloud services.
3+ years of hands-on experience working with both relational and NoSQL databases, applying the right data models to diverse needs.
Experience in operating and troubleshooting production systems.
Outstanding written and verbal communication abilities, with a demonstrated talent for translating technical concepts for both engineering and business audiences.
Consistent record of being self-motivated, resourceful, and proactive in driving projects and business goals.
An aptitude for leveraging AI tools such as Windsurf, Cursor or similar to enhance software development and operational efficiency. Additional hands-on experience with LLMs is a huge plus.

Fullstack experience is a plus.

Best-in-class benefits and compensation, including equity for all employees.
Career development and corporate giving programs.
Employee resource groups (ERGs) and communities.
Flexible hybrid model and robust time off policies.
Daily free lunch.
New car discount.
Meditation and fitness apps.
Commuting cost coverage.

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