Analytics - Software Engineer (React/TypeScript)

Description

• Taking ownership of your work, from development and testing to eventual deployment and support in production.
• Becoming a trusted team member in technical architecture, design and code.
• Designing, building, testing, and deploying scalable, reusable, and maintainable applications that handle large amounts of data.
• Gaining a deep understanding of the CoStar business, including the Analytic products.
• Collaborating with other engineers, product owners, designers, and leadership.
• Advocating for evolution and improvement - both technical and non-technical - within our teams. Explore new technologies, tools, and best practices.

Requirements

• 3-5 years of modern front-end experience who can ramp up quickly
• Expertise with micro-frontend architectures
• Ability to write clean, maintainable, and testable front-end code
• Strong proficiency in JavaScript, TypeScript, and at least one modern front-end framework (preferably React).
• Bachelor’s Degree required from an accredited, not-for-profit, in-person college/university
• Understanding of Datadog RUM/APM, logging, or observability
• Experience with D3 or other charting libraries
• Ability to break down a feature into tasks and deliver independently with guidance
• Comfortable with Git, PR workflows, and code review best practices
• Experience with Playwright, Jest, or other testing frameworks
• Experience using REST APIs and handling data-driven UI
• Familiarity with accessibility (WCAG), performance optimization techniques
• Comfort using AI-assisted tools like GitHub Copilot / GenAI
• Familiarity with GraphQL
• Exposure to Node.js or backend-for-frontend (BFF) patterns
• 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.
• Solid understanding of browser behavior, debugging tools, and performance basics
• A track record of commitment to prior employers
• Knowledge of CSS frameworks (Tailwind preferred)

Benefits

• 401(K) retirement plan with matching contributions
• Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
• Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
• Tuition reimbursement
• Commuter and parking benefits
• Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups
• Virtual and in person mental health counseling services for individuals and family
• Life, legal, and supplementary insurance
• Employee stock purchase plan
• Paid time off
• 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.
• On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes
• Our benefits package includes (but is not limited to):

Training + Development

Interview process

Visa Sponsorship

Security clearance