Senior Software Engineer - UI

Senior Software Engineer - UIJob Description**Overview**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 worlds 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. Weve 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.As a CoStar Senior Software Engineer on the Platform Development team you will play a key role in expanding the data platform that supports all of CoStar Groups largest brands including, CoStar Suite, LoopNet and Apartments.com. You will deeply understand what drives the business for which you are building software. We firmly believe that what separates a good developer from a great one is a deep understanding of the business that they are supporting.This position is located in Washington, D.C. and offers a schedule of 3 days onsite, 2 days remote.**Responsibilities**+ Build big, distributed, API-driven systems for tens of thousands of users+ Produce bullet-proof code that is robust, efficient and maintainable; our primary tools are C#, .NET Framework, SQL Server, AWS+ Drive and lead software design, development standards, code reviews.+ Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strength CoStars technology platform and develop practices.**Basic Qualifications**+ Bachelors Degree ?+ A track record of commitment to prior employers+ 5+ years of deep .NET development (C#) development experience including cross platform communication technologies such as Web API+ 5+ years of experience with JavaScript frameworks such as React or Angular+ Working knowledge and experience with cloud-based platforms (AWS or Azure)+ Experience with RESTful web services and ASP.NET MVC+ Experience in architecting, designing, and building large scale distributed, services-oriented systems and web applications in an agile environment+ Data modeling experience**Preferred Qualifications And Skills**+ Strong communication skills (to both business and technical partners)+ SQL and database development knowledge+ Familiarity with AWS PaaS services such as Lambda, DynamoDB, and SQS+ Data modeling experience from conceptual, logical, and physical designs**Whats in it for You**When you join CoStar Group, youll 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 Groups Diversity, Equity, & Inclusion Employee Resource Groups+ Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacksWe 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 $124,000 - $201,700, based on relevant skills and experience and includes a generous benefits plan.#LI-CH1CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testingCoStar 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 worlds 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. Weve 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 .