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Who we are At CarGurus (NASDAQ: CARG), our mission is to give people the power to reach their destination. We started as a small team of developers determined to bring trust and transparency to car shopping. Since then, our history of innovation and go-to-market acceleration has driven industry-leading growth. In fact, we’re the largest and fastest-growing automotive marketplace, and we’ve been profitable for over 15 years. What we do The market is evolving, and we are too, moving the entire automotive journey online and guiding our customers through every step. That includes everything from the sale of an old car to the financing, purchase, and delivery of a new one. Today, tens of millions of consumers visit CarGurus.com each month, and ~30,000 dealerships use our products. But they're not the only ones who love CarGurus—our employees do, too. We have a people-first culture that fosters kindness, collaboration, and innovation, and empowers our Gurus with tools to fuel their career growth. Disrupting a trillion-dollar industry requires fresh and diverse perspectives. Come join us for the ride! Role overview As a core member of the Machine Learning Platform team, the Machine Learning Operations Engineer will be responsible for enhancing and maintaining CarGurus’ cloud-hosted ML platform. You will partner closely with data scientists to deploy machine learning models to production and to build and maintain the APIs and data pipelines that integrate predictive intelligence into CarGurus’ products. You will have the opportunity to contribute to systems supplying Recommendations, Search Ranking, Computer Vision, Instant Market Value, and more. What you’ll do Write production-quality training jobs and inference APIs for our Python ML models, deploying them to robust scalable services Contribute enhancements to the CarGurus ML platform, leveraging technologies such as AWS SageMaker, GitHub Actions, and Docker Participate in systems design conversations with our data scientists and engineering partners, using your engineering expertise and experience to help them design scalable and robust systems Develop in-house tools and libraries to standardize and accelerate the AI and ML development process Build and integrate multi-modal AI capabilities into production ML systems Design and build agentic AI systems and harness engineering to enable autonomous, reliable software development workflows Own and maintain aspects of the Data Science team’s engineering infrastructure Promote and foster an inclusive, transparent, and collaborative culture What you’ll bring 4+ years experience writing and debugging Python code Familiarity with software engineering tools and standard methodologies, e.g. git, unit testing, object-oriented design, containerization A working understanding of the machine learning lifecycle, including model training, evaluation, deployment, and monitoring Familiarity with the Python ML ecosystem (e.g. scikit-learn, XGBoost, PyTorch, numpy, pandas) Experience deploying, monitoring, and troubleshooting AI & ML models in a public cloud (we use AWS) Exposure to a variety of AI & ML systems in production, including regression and classification on tabular data, image models, language models, and agentic systems Knowledge of SQL and familiarity with cloud data warehouses (we use Snowflake) A systems thinking mindset, able to reason about how components interact end-to-end across the ML lifecycle and platform, and also optimizing any single piece The displayed range represents the expected annual base salary / On-Target Earnings (OTE) for this position. On-Target Earnings (OTE) is inclusive of base salary and on-target commission earnings, which applies exclusively to sales roles. Individual pay within this range is determined by work location and other factors such as job-related skills, experience, and relevant education or training. This annual base salary forms part of a comprehensive Total Rewards Package. In addition to benefits, this role may qualify for discretionary bonuses/incentives and Restricted Stock Units (RSUs). Position Pay Range $144,000 — $181,000 USD Working at CarGurus We reward our Gurus’ curiosity and passion with best-in-class benefits and compensation, including equity for all employees, both when they start and as they continue to grow with us. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways. A flexible hybrid model and robust time off policies encourage work-life balance and individual well-being. Thoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives. CarGurus may require in-person interviews as part of our hiring process, particularly for positions based in our Boston and Dublin offices. Candidates selected for an in-person interview will be notified in advance. Please be aware that travel expenses are the responsibility of the candidate. We welcome all CarGurus strives to be a place to which people can bring the ultimate expression of themselves and their potential—starting with our hiring process. We do not discriminate based on race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation. We foster an inclusive environment that values people for their skills, experiences, and unique perspectives. That’s why we hope you’ll apply even if you don’t check every box listed in the job description. We also encourage you to tell your recruiter if you require accommodations to participate in our hiring process due to a disability so we can provide the appropriate support. We want to know what only you can bring to CarGurus. #LI-Hybrid

Who we are At CarGurus (NASDAQ: CARG), our mission is to give people the power to reach their destination. We started as a small team of developers determined to bring trust and transparency to car shopping. Since then, our history of innovation and go-to-market acceleration has driven industry-leading growth. In fact, we’re the largest and fastest-growing automotive marketplace, and we’ve been profitable for over 15 years. What we do The market is evolving, and we are too, moving the entire automotive journey online and guiding our customers through every step. That includes everything from the sale of an old car to the financing, purchase, and delivery of a new one. Today, tens of millions of consumers visit CarGurus.com each month, and ~30,000 dealerships use our products. But they're not the only ones who love CarGurus—our employees do, too. We have a people-first culture that fosters kindness, collaboration, and innovation, and empowers our Gurus with tools to fuel their career growth. Disrupting a trillion-dollar industry requires fresh and diverse perspectives. Come join us for the ride! Role overview The DevX Pipelines & Automation team is hiring a Senior Software Engineer. The team plays a crucial role in enabling faster time-to-market while maintaining high quality. This position involves contributing to the continuous modernization of the platform, with a focus on self-service pipelines and ephemeral environments. The ideal candidate is passionate about Continuous Delivery and platform development, with a strong background in supporting complex software systems and an eagerness to drive efficiency in software delivery processes. What you'll do Develop and enhance CarGurus' Pipeline-as-a-Service utilizing Go and Java. Expand the development environment infrastructure to provide ephemeral, hermetic environments. Scale the production CI/CD infrastructure to accommodate future demands. Manage and enforce governance strategies that promote environmental parity across services and artifacts and ensure high quality. What you'll bring 5+ years of experience as a professional Software Engineer working with Golang, Java or similar languages Proficiency with containerization and cloud environments. Knowledge in configuration management for distributed systems across multiple environments. 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. A high-level understanding of Java, Python, or Bash/Unix scripting. Familiarity with CI/CD operations, tooling, continuous deployment, and related technologies in a Kubernetes environment. An aptitude for leveraging AI tools such as Windsurf, Cursor, or similar to enhance software development and operational efficiency. The displayed range represents the expected annual base salary / On-Target Earnings (OTE) for this position. On-Target Earnings (OTE) is inclusive of base salary and on-target commission earnings, which applies exclusively to sales roles. Individual pay within this range is determined by work location and other factors such as job-related skills, experience, and relevant education or training. This annual base salary forms part of a comprehensive Total Rewards Package. In addition to benefits, this role may qualify for discretionary bonuses/incentives and Restricted Stock Units (RSUs). Position Pay Range $140,000 — $176,000 USD Working at CarGurus We reward our Gurus’ curiosity and passion with best-in-class benefits and compensation, including equity for all employees, both when they start and as they continue to grow with us. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways. A flexible hybrid model and robust time off policies encourage work-life balance and individual well-being. Thoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives. CarGurus may require in-person interviews as part of our hiring process, particularly for positions based in our Boston and Dublin offices. Candidates selected for an in-person interview will be notified in advance. Please be aware that travel expenses are the responsibility of the candidate. We welcome all CarGurus strives to be a place to which people can bring the ultimate expression of themselves and their potential—starting with our hiring process. We do not discriminate based on race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation. We foster an inclusive environment that values people for their skills, experiences, and unique perspectives. That’s why we hope you’ll apply even if you don’t check every box listed in the job description. We also encourage you to tell your recruiter if you require accommodations to participate in our hiring process due to a disability so we can provide the appropriate support. We want to know what only you can bring to CarGurus. #LI-Hybrid

Who we are At CarGurus (NASDAQ: CARG), our mission is to give people the power to reach their destination. We started as a small team of developers determined to bring trust and transparency to car shopping. Since then, our history of innovation and go-to-market acceleration has driven industry-leading growth. In fact, we’re the largest and fastest-growing automotive marketplace, and we’ve been profitable for over 15 years. What we do The market is evolving, and we are too, moving the entire automotive journey online and guiding our customers through every step. That includes everything from the sale of an old car to the financing, purchase, and delivery of a new one. Today, tens of millions of consumers visit CarGurus.com each month, and ~30,000 dealerships use our products. But they're not the only ones who love CarGurus—our employees do, too. We have a people-first culture that fosters kindness, collaboration, and innovation, and empowers our Gurus with tools to fuel their career growth. Disrupting a trillion-dollar industry requires fresh and diverse perspectives. Come join us for the ride! Role overview The International team is seeking a talented and driven Senior Software Engineer to join CarGurus’ new Dublin office, work on exciting product initiatives for our Canadian and UK markets, and play a key role in establishing the office’s culture. In this frontend-focused role, you’ll take primary ownership of building engaging, high-quality experiences for our dealer-facing products while also contributing to full-stack features. We are looking for candidates who are able to learn and adapt quickly, and collaborate with other engineers to deliver solutions. Some examples of potential project opportunities: Building intuitive, high-quality frontend experiences for international dealer products Building new, full-stack features for dealer products from the ground up Integrating with existing services and expanding functionality using React, TypeScript, and Java As an engineer on this team, you will drive projects from conception to completion, working closely with other engineers and product partners to deliver impactful solutions for the international business. No need to be a car expert—we’re more interested in your passion for engineering and your ability to innovate! What you'll do Design, develop, and maintain high-quality, scalable frontend experiences for our international dealer products using React and Typescript. Collaborate closely with product managers, designers, and other engineers across the organization to deliver and iterate on high-quality software solutions for our Canadian and UK markets. Contribute to technical design discussions and architectural decisions. Own frontend services from ideation through deployment and ongoing maintenance in production environments. Ensure systems are secure, maintainable, and highly available, following best practices in performance optimization and code quality. Troubleshoot and resolve complex production issues, using observability tools to understand system health and performance. Mentor junior engineers, provide high-quality code review guidance, and contribute to establishing the team processes and engineering standards for the new Dublin office. What you'll bring 5+ years of experience in front-end software development. Solid, production-grade experience building dynamic, responsive user interfaces using React and TypeScript. Experience with server-side TypeScript (especially Remix, though Next.js or Express are also great additions). Excellent problem-solving, communication, and collaboration skills with the ability to move quickly and thrive in an iterative, fast-paced environment. Familiarity designing and building RESTful APIs, microservices, and distributed systems. Experience with GraphQL. Understanding of CI/CD pipelines, automated testing, monitoring, and production service management. Eagerness to learn and expand your capabilities through leading and owning projects. Bonus: Familiarity with cloud platforms such as AWS, GCP, or Azure, and some experience with containerization (Docker, Kubernetes). The displayed range represents the expected annual base salary / On-Target Earnings (OTE) for this position. On-Target Earnings (OTE) is inclusive of base salary and on-target commission earnings, which applies exclusively to sales roles. Individual pay within this range is determined by work location and other factors such as job-related skills, experience, and relevant education or training. This annual base salary forms part of a comprehensive Total Rewards Package. In addition to benefits, this role may qualify for discretionary bonuses/incentives and Restricted Stock Units (RSUs). Position Pay Range €78.000 — €108.000 EUR Working at CarGurus We reward our Gurus’ curiosity and passion with best-in-class benefits and compensation, including equity for all employees, both when they start and as they continue to grow with us. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways. A flexible hybrid model and robust time off policies encourage work-life balance and individual well-being. Thoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives. CarGurus may require in-person interviews as part of our hiring process, particularly for positions based in our Boston and Dublin offices. Candidates selected for an in-person interview will be notified in advance. Please be aware that travel expenses are the responsibility of the candidate. We welcome all CarGurus strives to be a place to which people can bring the ultimate expression of themselves and their potential—starting with our hiring process. We do not discriminate based on race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation. We foster an inclusive environment that values people for their skills, experiences, and unique perspectives. That’s why we hope you’ll apply even if you don’t check every box listed in the job description. We also encourage you to tell your recruiter if you require accommodations to participate in our hiring process due to a disability so we can provide the appropriate support. We want to know what only you can bring to CarGurus. #LI-Hybrid

Who we are At CarGurus (NASDAQ: CARG), our mission is to give people the power to reach their destination. We started as a small team of developers determined to bring trust and transparency to car shopping. Since then, our history of innovation and go-to-market acceleration has driven industry-leading growth. In fact, we’re the largest and fastest-growing automotive marketplace, and we’ve been profitable for over 15 years. What we do The market is evolving, and we are too, moving the entire automotive journey online and guiding our customers through every step. That includes everything from the sale of an old car to the financing, purchase, and delivery of a new one. Today, tens of millions of consumers visit CarGurus.com each month, and ~30,000 dealerships use our products. But they're not the only ones who love CarGurus—our employees do, too. We have a people-first culture that fosters kindness, collaboration, and innovation, and empowers our Gurus with tools to fuel their career growth. Disrupting a trillion-dollar industry requires fresh and diverse perspectives. Come join us for the ride! Role overview CarGurus is hiring an Engineering Manager to lead the Purchase team within our Consumer Engineering department. The Purchase team owns the consumer journey from the moment a shopper decides on a car to the moment the deal is done. That means delivering an experience that meets consumers where they are—whether they want agents to handle the heavy lifting on their behalf, or prefer to be guided through each step of financing, trade-in, and deal configuration themselves. This is a pivotal leadership role at an exciting moment: we are actively transitioning our engineering practices toward AI-native and fully agentic development, and this manager will be a key driver of that transformation. You'll lead a team of talented engineers, shape the technical vision for one of our most strategically important product areas, and champion AI-forward ways of working—from integrating AI coding assistants into daily workflows to architecting intelligent, consumer-facing experiences. If you're energized by the intersection of modern AI development and high-impact consumer products, this is the role for you. What you'll do Lead, mentor, and grow a team of engineers, supporting their technical development and career growth while fostering a collaborative, high-performance team culture Partner closely with Product, UX, and Analytics to drive the Purchase roadmap from concept through technical design, implementation, testing, and measurement; actively contribute to roadmap prioritization by proposing technical investments and providing well-reasoned estimates Champion AI-forward engineering practices across the team—actively promoting the use of AI coding assistants, agentic workflows, and AI-driven tooling as core parts of the development process Lead the team's transition to fully agentic programming paradigms, setting expectations, removing blockers, and modeling the mindset shift required Define and drive delivery of consumer-facing AI experiences, collaborating with product and design to bring intelligent, personalized features to millions of car shoppers Manage project scope, estimation, and prioritization; decompose complex initiatives into small, self-contained units of work and drive their incremental delivery with a bias toward shipping and learning quickly Collaborate effectively across team boundaries—working with consumer, dealer, and platform engineering teams to align on dependencies, define integration requirements, and ensure the Purchase platform evolves reliably alongside the broader CarGurus ecosystem Roll up your sleeves and pitch in wherever you'll have the greatest impact—whether that's diving into a technical design session, helping scope an A/B test, unblocking a critical dependency, or jumping into any other area where your involvement moves the team forward Advocate for engineering excellence—code quality, observability, system reliability, and continuous improvement in process and tooling Have fun! What you'll bring 7+ years of relevant engineering experience, with 3+ years in an engineering management or technical lead role Solid backend engineering foundation—comfortable engaging deeply in architectural discussions, system design, and technical trade-offs, particularly in Java/Spring environments, distributed systems, and data layer design Genuine enthusiasm for AI and agentic development: you believe AI coding tools and multi-agent workflows are the future of software engineering, and you lead by example in adopting them—set a vision for AI-native development practices and guide engineers through the cultural and technical shift Experience delivering consumer-facing AI features or products; experience with conversational or agentic AI experiences is a strong plus Customer and product-focused mindset with a bias toward data-driven decisions, and a track record of shipping high-quality, user-centric features at scale Strong project management skills and experience with Agile methodologies; able to drive clarity and incremental progress in fast-moving, ambiguous environments Demonstrated ability to mentor engineers and help them grow technically and professionally Strong communicator and collaborator who builds trust across engineering, product, and design Bachelor's degree in Computer Science, Computer Engineering, or equivalent practical experience Curious, empathetic, and plays well with others—with a commitment to continuous learning and expanding your capabilities The displayed range represents the expected annual base salary / On-Target Earnings (OTE) for this position. On-Target Earnings (OTE) is inclusive of base salary and on-target commission earnings, which applies exclusively to sales roles. Individual pay within this range is determined by work location and other factors such as job-related skills, experience, and relevant education or training. This annual base salary forms part of a comprehensive Total Rewards Package. In addition to benefits, this role may qualify for discretionary bonuses/incentives and Restricted Stock Units (RSUs). Position Pay Range $186,000 — $233,000 USD Working at CarGurus We reward our Gurus’ curiosity and passion with best-in-class benefits and compensation, including equity for all employees, both when they start and as they continue to grow with us. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways. A flexible hybrid model and robust time off policies encourage work-life balance and individual well-being. Thoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives. CarGurus may require in-person interviews as part of our hiring process, particularly for positions based in our Boston and Dublin offices. Candidates selected for an in-person interview will be notified in advance. Please be aware that travel expenses are the responsibility of the candidate. We welcome all CarGurus strives to be a place to which people can bring the ultimate expression of themselves and their potential—starting with our hiring process. We do not discriminate based on race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation. We foster an inclusive environment that values people for their skills, experiences, and unique perspectives. That’s why we hope you’ll apply even if you don’t check every box listed in the job description. We also encourage you to tell your recruiter if you require accommodations to participate in our hiring process due to a disability so we can provide the appropriate support. We want to know what only you can bring to CarGurus. #LI-Hybrid

Who we are At CarGurus (NASDAQ: CARG), our mission is to give people the power to reach their destination. We started as a small team of developers determined to bring trust and transparency to car shopping. Since then, our history of innovation and go-to-market acceleration has driven industry-leading growth. In fact, we’re the largest and fastest-growing automotive marketplace, and we’ve been profitable for over 15 years. What we do The market is evolving, and we are too, moving the entire automotive journey online and guiding our customers through every step. That includes everything from the sale of an old car to the financing, purchase, and delivery of a new one. Today, tens of millions of consumers visit CarGurus.com each month, and ~30,000 dealerships use our products. But they're not the only ones who love CarGurus—our employees do, too. We have a people-first culture that fosters kindness, collaboration, and innovation, and empowers our Gurus with tools to fuel their career growth. Disrupting a trillion-dollar industry requires fresh and diverse perspectives. Come join us for the ride! Role overview CarGurus is looking for an Application Security Engineer I to join our growing Security Engineering and Architecture team. This is a hands-on technical role focused on helping secure the applications, products, and infrastructure that power CarGurus. In this role, you will partner with engineers and senior security team members to help review services for security best practices, support vulnerability remediation, and contribute to security guardrails that reduce common application and developer-environment risks. This role is a strong fit for someone early in their security career who is excited to learn application security fundamentals, build practical technical skills, and grow in a collaborative engineering environment. What you'll do Support threat modeling and security risk assessments for CarGurus applications and products Assist in training developers on secure coding, AI-assisted development, and secure SDLC practices Help triage, prioritize, assign, and track remediation of vulnerabilities Contribute to the operation and improvement of code and infrastructure scanning tools and policies that help monitor and enforce security guardrails Assist in investigations involving application security issues Partner with development teams and senior security engineers to help design and implement security controls for a cloud-first infrastructure (AWS, Kubernetes, and related technologies) What you'll bring 0 to 2 years of experience in cybersecurity, application security, software engineering, or a related technical field Internship, co-op, academic, or hands-on project experience in security or software development is a plus Interest in leveraging modern technologies, including AI and ML, to improve security outcomes Familiarity with application security concepts such as secure coding, vulnerability management, threat modeling, or risk assessment Familiarity with cloud infrastructure and technologies such as AWS, Kubernetes, containers, or infrastructure as code Familiarity with standard SDLC processes and engineering tools such as GitHub and CI/CD automation Familiarity with at least one programming or scripting language such as Python, Go, Java, or a similar language Strong passion for continuous learning, especially in cybersecurity and technology The displayed range represents the expected annual base salary / On-Target Earnings (OTE) for this position. On-Target Earnings (OTE) is inclusive of base salary and on-target commission earnings, which applies exclusively to sales roles. Individual pay within this range is determined by work location and other factors such as job-related skills, experience, and relevant education or training. This annual base salary forms part of a comprehensive Total Rewards Package. In addition to benefits, this role may qualify for discretionary bonuses/incentives and Restricted Stock Units (RSUs). Position Pay Range $96,000 — $120,000 USD Working at CarGurus We reward our Gurus’ curiosity and passion with best-in-class benefits and compensation, including equity for all employees, both when they start and as they continue to grow with us. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways. A flexible hybrid model and robust time off policies encourage work-life balance and individual well-being. Thoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives. CarGurus may require in-person interviews as part of our hiring process, particularly for positions based in our Boston and Dublin offices. Candidates selected for an in-person interview will be notified in advance. Please be aware that travel expenses are the responsibility of the candidate. We welcome all CarGurus strives to be a place to which people can bring the ultimate expression of themselves and their potential—starting with our hiring process. We do not discriminate based on race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation. We foster an inclusive environment that values people for their skills, experiences, and unique perspectives. That’s why we hope you’ll apply even if you don’t check every box listed in the job description. We also encourage you to tell your recruiter if you require accommodations to participate in our hiring process due to a disability so we can provide the appropriate support. We want to know what only you can bring to CarGurus. #LI-Hybrid

Who we are At CarGurus (NASDAQ: CARG), our mission is to give people the power to reach their destination. We started as a small team of developers determined to bring trust and transparency to car shopping. Since then, our history of innovation and go-to-market acceleration has driven industry-leading growth. In fact, we’re the largest and fastest-growing automotive marketplace, and we’ve been profitable for over 15 years. What we do The market is evolving, and we are too, moving the entire automotive journey online and guiding our customers through every step. That includes everything from the sale of an old car to the financing, purchase, and delivery of a new one. Today, tens of millions of consumers visit CarGurus.com each month, and ~30,000 dealerships use our products. But they're not the only ones who love CarGurus—our employees do, too. We have a people-first culture that fosters kindness, collaboration, and innovation, and empowers our Gurus with tools to fuel their career growth. Disrupting a trillion-dollar industry requires fresh and diverse perspectives. Come join us for the ride! Role overview Join our first Dublin engineering team! The International team is seeking a talented and driven Principal Software Development Engineer to join CarGurus' new Dublin office and lead exciting product initiatives for our Canadian and UK markets and play a key role in establishing the office’s culture. In this role, you’ll be responsible for leading the full software development lifecycle – across both the frontend and backend – collaborating with Engineering and Product peers to design innovative solutions and tackle complex challenges for our dealer-facing products. We are looking for candidates who are able to learn and adapt quickly, and collaborate with other engineers to deliver solutions. Some examples of potential project opportunities: Building new, full-stack features for dealer products from the ground up Integrating with existing services and expanding functionality using React, TypeScript, and Java Designing and implementing integrations with third-party APIs and partners, building applications with Remix. Modernizing and rearchitecting current systems to leverage cloud technologies like AWS As a principal engineer on this team, you will own projects from conception to completion, working closely with other engineers and product partners, in Dublin and in the US, to deliver impactful solutions for the 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. Car expertise is welcome but isn't required; what matters most is your passion for technology, your commitment to engineering excellence, and your drive to have a real impact. What you'll do Work closely with engineers, product managers, and stakeholders across the company to refine 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 and modern web applications (Java/React/TypeScript), 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 and operation excellence by helping teams leverage 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 in the new Dublin hub. What you'll bring 8+ years of experience as a professional Software Engineer, including 3+ years serving as a technical lead or principal engineer. Deep full-stack expertise working with Java and TypeScript (or similar languages) and frameworks such as Spring Boot, Hibernate, and React. 5+ years of experience designing, building, deploying, scaling, testing, and evolving distributed systems 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. 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 Claude Code, Cursor, or similar to enhance software development and operational efficiency. Additional hands-on experience with LLMs is a huge plus. Bonus: Deep experience with server-side TypeScript and modern isomorphic frameworks (especially Remix, though Next.js or Express are also highly valued). The displayed range represents the expected annual base salary / On-Target Earnings (OTE) for this position. On-Target Earnings (OTE) is inclusive of base salary and on-target commission earnings, which applies exclusively to sales roles. Individual pay within this range is determined by work location and other factors such as job-related skills, experience, and relevant education or training. This annual base salary forms part of a comprehensive Total Rewards Package. In addition to benefits, this role may qualify for discretionary bonuses/incentives and Restricted Stock Units (RSUs). Position Pay Range €90.000 — €125.000 EUR Working at CarGurus We reward our Gurus’ curiosity and passion with best-in-class benefits and compensation, including equity for all employees, both when they start and as they continue to grow with us. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways. A flexible hybrid model and robust time off policies encourage work-life balance and individual well-being. Thoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives. CarGurus may require in-person interviews as part of our hiring process, particularly for positions based in our Boston and Dublin offices. Candidates selected for an in-person interview will be notified in advance. Please be aware that travel expenses are the responsibility of the candidate. We welcome all CarGurus strives to be a place to which people can bring the ultimate expression of themselves and their potential—starting with our hiring process. We do not discriminate based on race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation. We foster an inclusive environment that values people for their skills, experiences, and unique perspectives. That’s why we hope you’ll apply even if you don’t check every box listed in the job description. We also encourage you to tell your recruiter if you require accommodations to participate in our hiring process due to a disability so we can provide the appropriate support. We want to know what only you can bring to CarGurus. #LI-Hybrid