Senior Software Engineer
CoStar Group3 months ago
Richmond, VA, USASenior
Base Salary
$131k - $170k/yr
Responsibilities
- Develop and maintain engaging, responsive, and high-performance web applications using React, TypeScript, and Tailwind CSS.
- Design and implement AI-powered software solutions that improve customer experiences, platform intelligence, and product capabilities.
- Build and integrate AI skills, agents, tools, and intelligent workflows into internal and customer-facing applications.
- Build reusable, scalable, secure UI components and libraries focused on maintainability and performance.
- Collaborate with Product, Research, and Data teams to identify valuable AI-driven automation opportunities.
- Maintain shared component libraries and front-end architecture.
- Write unit and integration tests using Jest and React Testing Library.
- Participate in code reviews, pair programming, and Agile ceremonies.
- Mentor other developers and serve as a subject matter expert in front-end technologies.
- Evaluate emerging technologies, trends, and best practices to strengthen the technology platform and development practices.
Requirements
- Bachelor’s degree from an accredited, not-for-profit, in-person university or college.
- A track record of commitment to prior employers.
- 5+ years of production development experience using modern front-end frameworks.
- Strong proficiency in React, TypeScript, and Tailwind CSS.
- Deep understanding of HTML, CSS, JavaScript, and responsive design.
- Familiarity with large language models, prompt engineering, or agent-based architectures.
- Understanding of RESTful APIs and front-end build tools such as Webpack and Babel.
- Strong grasp of web standards, accessibility, and security best practices.
- Experience working in Agile development environments and with unit, performance, and automation testing.
- Preferred experience with Redux or Context API, AI agents, workflow automation platforms, intelligent search, AI-assisted development, CI/CD pipelines, Git, .NET Core, SQL Server, relational and document databases, Node.js, AWS S3, Lambda, SQS, Kafka, and Redis.
Benefits
- The position is located in Richmond, Virginia, with in-office work Monday through Thursday and work from home on Friday.
- Base compensation is listed separately in the salary field.
Tech Stack
Apache KafkaCSSElasticsearchGitHTMLJavaScriptJestMicrosoft SQL ServerNode.jsReactRedisReduxTailwind CSSTypeScriptWebpack
Categories
About CoStar Group
CoStar Group builds subscription databases, analytics, and online marketplaces for commercial and residential real estate professionals, investors, and advertisers. Its portfolio includes CoStar (research and data), LoopNet (commercial listings), and Apartments.com (rental listings), generating revenue from subscriptions, listings, and advertising. The company is publicly traded on NASDAQ (CSGP) and is headquartered in Arlington, Virginia, with inclusion in the S&P 500 index.