Staff Software Engineer, Personalization

Recognized as the No. 1 site trusted by real estate professionals, Realtor.com® has been at the forefront of online real estate for over 25 years, connecting buyers, sellers, and renters with trusted insights and expert guidance to find their perfect home. Through its robust suite of tools, Realtor.com® not only makes a significant impact on the real estate industry at large, but for consumers, navigating the biggest purchase they will make in their life, by providing a user experience that is easy to use, easy to understand, and most of all, easy to make decisions.

Join us on our mission to empower more people to find their way home by breaking barriers to entry, making the right connections, and building confidence through expert guidance.

Are you ready to take a leading technical role, driving architecture and design decisions across multiple teams? As a Staff Software Engineer at realtor.com, you'll lead the development of critical backend services and recommender systems, impacting millions of users. You will focus on building scalable, high-performance applications, integrating machine learning models, and driving innovation within our engineering teams. Work with cutting-edge technologies like AWS, Elasticsearch, GenAI, and Node.js to deliver exceptional experiences for our users.

Three Reasons Why to Apply

• Help build our next-gen Personalization Platform with the cutting-edge technologies


• Contribute to improving recommendations for millions of users


• Gain hands-on experience with large-scale Recommendation system

About the Role

• Serve as a technical lead for key projects, focusing on the architecture and development of scalable backend services and recommender systems functionalities leading cross-squad projects and partnering with cross-functional teams and stakeholders.


• Develop AI-native services


• Design, build, and optimize high-performance recommender systems, ensuring relevance, accuracy, and speed for millions of users.


• Collaborate with cross-functional teams to define and implement solutions that drive product innovation, scalability, and performance.


• Own the design and development of complex features, including data pipelines and the integration of advanced machine learning models into the recommender systems and personalize user experience across web and mobile.


• Drive performance optimizations for services, ensuring low-latency and high availability.


• Mentor and coach engineers, guiding them on best practices, technical problem-solving, and search technologies.


• Contribute to the technical roadmap and long-term architecture vision, driving innovation and reducing technical debt.


• Play a critical role in hiring and developing engineering talent, fostering a culture of collaboration and continuous improvement.

About You

• A highly skilled software engineer with extensive experience in building scalable solutions and backend services.


• Proven ability to lead teams in delivering complex features while ensuring high quality and scalability.


• Experience with LLM, RAG, and other Gen-AI experience is a huge plus.


• Strong communication and collaboration skills, capable of interacting effectively with product managers, stakeholders, and other engineers and driving orgwide technical vision.


• 7+ years of software development experience, with specific expertise in recommender systems.


• Experience with cloud-based architectures and services, particularly AWS (Lambda, EC2, S3, etc.) and k8s.


• Proficient in designing and implementing data pipelines, and integrating machine learning models into production user facing applications.


• Bachelor's or Master's degree in Computer Science/Engineering or equivalent professional experience.

About Realtor.com At realtor.com®, we believe in building strong teams that can solve complex problems and create products that transform the home-buying experience. Join us in our mission to make homeownership easier and more rewarding by delivering exceptional products that millions of consumers rely on every day.

Do the best work of your life at Realtor.com®

Here, you’ll partner with a diverse team of experts as you use leading-edge tech to empower everyone to meet a crucial goal: finding their way home. And you’ll find your way home too. People are our foundation—the core that drives us passionately forward. At Realtor.com®, you’ll bring your full self to work as you innovate with speed, serve our consumers, and champion your teammates. In return, we’ll provide you with a warm, welcoming, and inclusive culture; intellectual challenges; and the development opportunities you need to grow.

Diversity is important to us, therefore, Realtor.com® is an Equal Opportunity Employer regardless of age, color, national origin, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, marital status, status as a disabled veteran and/or veteran of the Vietnam Era or any other characteristic protected by federal, state or local law. In addition, Realtor.com® will provide reasonable accommodations for otherwise qualified disabled individuals.