Software Engineer (React) - Research Development

We are seeking a Software Engineer who excels at building modern web applications using React, TypeScript, and Tailwind CSS. This engineer would support our Web Enterprise team in building the software tools that power our proprietary CRM platform and support our sales and research teams across Homes.com, Costar.com, Apartments.com, LoopNet.com, and more.

Requirements

• Develop and maintain engaging, responsive, and high-performance web applications using React, TypeScript, and Tailwind CSS.
• Build reusable, scalable, and secure UI components and libraries with a focus on maintainability and performance.
• Collaborate with cross-functional teams including designers, backend developers, and product managers to transform business needs into technical solutions.
• Contribute to and maintain shared component libraries and front-end architecture.
• Write comprehensive unit and integration tests using tools like Jest, React Testing library.
• Participate actively in code reviews, pair programming, and agile ceremonies.
• Take an active role in mentoring other developers.
• Be a subject matter expert in front-end technology stack.
• Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strengthen CoStar’s technology platform and development practices.

Benefits

• 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