Principal Software Engineer - Homes.com Job Description 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. **Homes.com** Homes.com is already one of the fastest growing real estate portals in the industry, we are driven to be #1. Just ask Brad Bellflower, Chief Change Officer at Apartments.com. After its acquisition in 2014, Apartments.com quickly turned into the most popular place to find a place. Proven success at the highest level – and we’re doing it again with the new Homes.com. Homes.com is a CoStar Group company with 20+ years' experience in leading and growing digital marketplaces. We pride ourselves on continually improving, innovating, and setting the standard for property search and marketing experiences. With Homes.com we’re building a brand on the cusp of defining the industry. We’re looking for big thinkers, brave leaders, and creative advertising wizards ready to influence a new age of homebuying within a tried-and-true, award-winning company. Learn more about Homes.com (https://www.homes.com/about/) . This position is located in Washington, DC and offers a schedule of 3 days in office and 2 days remote. **Responsibilities** + Leading the design, development, and implementation of engineering solutions and frameworks widely used by internal or external CoStar teams + Architecting, building, testing, and deploying multi-tenant, scalable, reusable, and maintainable applications that handle large amounts of data. + Taking full ownership of your work from development and testing to eventual deployment and support in production. + Collaborating with other engineers, product owners, designers, and leadership. + Becoming a trusted advisor in the team in matters of technical architecture, design, and code. + Advocating for evolution and improvement - both technical and non-technical - within our teams including new technology, tools, and best practices. + Developing platforms and frameworks to streamline the software development process + Creating software development and testing standards for the organization + Gaining a deep understanding of the CoStar business. **Basic Qualifications** + Bachelor’s Degree required from an accredited, not for profit university or college (preferably in Computer Science/Engineering) + A track record of commitment to prior employers + Minimum 12+ years of professional software development experience + Deep knowledge of back-end (C#, .NET, Web API) languages and application frameworks + Expertise with relational database systems such as SQL Server is required + Strong analytical and problem-solving abilities **Preferred Qualifications And Skills** + Experience as a technical leader or architect, with people leadership plus solid understanding and experience with Object Oriented Programming. + Experience with NoSQL (MongoDB, DynamoDB). + Expertise with software development best practices, including standards, code reviews, source control, builds, testing and operations. + Expertise with Source Control, such as Git or TFS. + Expertise with Cloud platforms such as AWS or Azure. **What’s in it for You** When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, tuition reimbursement, and an inter-office exchange program. Our benefits package includes (but is not limited to): + Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug + Life, legal, and supplementary insurance + Virtual and in person mental health counseling services for individuals and family + Commuter and parking benefits + 401(K) retirement plan with matching contributions + Employee stock purchase plan + Paid time off + Tuition reimbursement + On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes + Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups + Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position. This position offers a base salary range of $165,300 -$278,400, based on relevant skills and experience and includes a generous benefits plan. \#LI-CH1 CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing 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 37 years, giving us the perspective to create truly unique and valuable products and services. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry and for our customers. 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. CoStar is committed to creating a diverse environment and is proud to be an equal opportunity workplace and affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. CoStar is also committed to compliance with all fair employment practices regarding citizenship and immigration status. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access www.costargroup.com/careers as a result of your disability. You can request reasonable accommodations by calling 1-855-840-1715 or by sending an email to recruiting@costargroup.com .