Senior Software Engineer - Finance Development&lt;br&gt;Job Description&lt;br&gt;CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&amp;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.You will be joining our finance tech team, responsible for enabling the payment processing functionality of our business.You will work on systems that power the user experience for our consumers and internal associates that power all our company channels and organizations, including Homes.com, Costar.com, Apartments.com, LoopNet.com and more. You’ll be solving more than just 1-off problems, but larger scale systems that are highly dynamic and are built for growth.This position is in Richmond, VA and is in onsite Monday – Thursday, option to work from home on Friday.  Responsibilities<ul><li>Develop and maintain engaging, responsive, and high-performance web applications using React, TypeScript, and Tailwind CSS. </li><li>Build reusable, scalable, and secure UI components and libraries with a focus on maintainability and performance. </li><li>Collaborate with cross-functional teams, including designers, backend developers, and product managers to transform business needs into technical solutions. </li><li>Contribute to and maintain shared component libraries and front-end architecture. </li><li>Build microservices and RESTful APIs to move complex data across domains.</li><li>Drive and lead software design by developing standards and performing code reviews, resulting in a robust, efficient, and maintainable code base.</li><li>Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strengthen CoStar’s technology platform and develop practices.</li><li>Mentor other engineers, working together with shared goals and an open mindset to learn.</li><li>Develop comprehensive application testing procedures to ensure high-quality applications for tens of thousands of users.</li></ul>Basic Qualifications<ul><li>Bachelor’s Degree required from an accredited, not for profit university or college.</li><li>A track record of commitment to prior employers</li><li>7+ years of software development experience</li><li>Demonstrated experience in architecting, designing and building large scale distributed, services-oriented systems and web applications in an agile environment</li><li>Experience developing frontend applications using React and Node with TypeScript or similar</li><li>Application experience with C# or similar</li><li>Experience building RESTful APIs using strongly typed languages</li><li>Strong grasp of web standards, accessibility, and security best practices. </li><li>Proficient understanding of source control tools such as Git.</li><li>Familiarity with CI/CD deployment processes</li></ul>Preferred Qualifications and Skills<ul><li>Experience with SQL and databases</li><li>Experience with Elasticsearch or OpenSearch</li><li>Familiarity with observability tools like Kibana, Data Dog and other monitoring frameworks</li><li>Strong communication skills (to both business and technical partners)</li><li>Data modeling experience from conceptual, logical and physical designs</li><li>Cloud computing experience with providers like, AWS, Azure or GCP</li></ul>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 and tuition reimbursement.Our benefits package includes (but is not limited to):<ul><li>Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug</li><li>Life, legal, and supplementary insurance</li><li>Virtual and in person mental health counseling services for individuals and family</li><li>Commuter and parking benefits</li><li>401(K) retirement plan with matching contributions</li><li>Employee stock purchase plan</li><li>Paid time off</li><li>Tuition reimbursement</li><li>On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes</li><li>Access to CoStar Group’s Diversity, Equity, &amp; Inclusion Employee Resource Groups</li><li>Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks</li></ul>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.#LI-CH1&lt;br&gt;CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing