Analytics - Software Engineer; React​/TypeScript

Analytics - Software Engineer (React/Type Script)

CoStar delivers real‑time, verified commercial real estate data that helps clients spot great opportunities and make smart choices ahead of competitors. The Analytics team develops CoStar’s customer‑facing Real Estate Analytics products, building fast, reliable, and intuitive platforms from the vast data collected by our Research teams.

We are looking for an experienced Software Engineer to join our team in San Diego (UTC Area). The role works in office Monday‑Thursday with remote Friday. You will drive the full‑lifecycle development of this critical analytic product.

• Design, build, test, and deploy scalable, reusable, and maintainable applications that handle large amounts of data.
• Own the end‑to‑end work from development and testing to eventual deployment and production support.
• Collaborate with engineering, product owners, designers, and leadership.
• Serve as a trusted technical team member, contributing to architecture, design, and code quality.
• Advocate for technical and non‑technical improvement within teams.
• Explore new technologies, tools, and best practices.
• Develop a deep understanding of the CoStar business and analytic products.

• Bachelor’s Degree from an accredited, in‑person college or university.
• 3‑5 years of modern front‑end experience with JavaScript, Type Script, and at least one modern front‑end framework (preferably React).
• Ability to write clean, maintainable, and testable front‑end code.
• Experience using REST APIs and building data‑driven UI.
• Knowledge of CSS frameworks (Tailwind preferred).
• Comfort with Git, pull‑request workflows, and code‑review best practices.
• Skill in breaking down features into tasks and delivering independently with guidance.

• Expertise with micro‑frontend architectures.
• Comfort using AI‑assisted tools like Git Hub Copilot / GenAI.
• Familiarity with Graph
  
  QL, Node.js, or backend‑for‑frontend patterns.
• Solid understanding of browser behavior, debugging tools, and performance basics.
• Exposure to accessibility (WCAG), performance optimization techniques.
• Experience with D3 or similar charting libraries.
• Experience with Playwright, Jest, or other testing frameworks.
• Understanding of Datadog RUM/APM, logging, or observability.

• Comprehensive healthcare coverage: medical, vision, dental, and prescription drug.
• Comprehensive life, legal, and supplementary insurance.
• Virtual and in‑person mental health counseling services.
• 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.
• Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups.
• Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and healthy snacks.

Base salary range: $103,000 – $154,000, based on relevant skills and experience and includes a generous benefits plan. #LI‑VP1

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug‑free workplace and perform pre‑employment substance abuse testing. CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. 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 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. Contact 1‑855‑840‑1715 or