Technical Manager; C#​/API; Group

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers.

We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.

We’re seeking a Technical Manager to lead one of our API teams, a foundational group behind high-traffic platforms like  and  These APIs are mission-critical, powering millions of user interactions daily. Their performance, reliability, and scalability directly influence developer productivity, site performance, and ultimately, customer satisfaction. This is a high-impact leadership role for someone who thrives at the intersection of engineering and product strategy.

You’ll guide a technically strong team through the full software development lifecycle, from concept to deployment and beyond. You’ll also collaborate with engineering leaders, product managers, and cross-functional teams to shape the future of our platform. This API team is a cornerstone of CoStar’s engineering ecosystem. Their work directly affects how other teams build, how fast our platforms perform, and how satisfied our customers are with the experience.

From developer velocity to site reliability, this team’s contributions are felt across the organization. This position is located in La Jolla, CA, and offers a work schedule of 4 days onsite, 1 day work from home.

• Lead an Agile software development team (6 people) to deliver scalable high performance technical solutions.
• Act as a player-coach, who can mentor and coach team members into highly productive team players.
• Promote can-do attitude, engineering mindset, and collaboration as fundamental team values.
• Influence application architecture and product direction.
• Architecting, building, testing, and deploying scalable, reusable, and maintainable APIs that handle large amounts of data.
• Drive continuous improvement by focusing on engineering excellence.
• Translate business requirements into technical requirements, develop project plans, and work schedules for use by development teams.
• Successfully implement software development projects to specification and within scheduled timelines and budget parameters.
• Collaborate with Product Managers, Designers, and other Agile teams to deliver large initiatives.
• Work with recruiting to identify, hire, and onboard top industry talent.
• Develop and maintain an in-depth working knowledge of the CRE Industry and CoStar’s business model / technology.
• Be hands on and be able to evaluate emerging technologies to identify opportunities, trends, and best practices that can be used to strengthen CoStar’s technology platform and development practices.
• Adopt an owner-operator mindset and demonstrate full ownership of the product and technical platforms.
• Act as "Voice of the Customer" when participating in product readiness reviews.
• Pub/Sub…