
Costar Group
Provides commercial real estate data, analytics, and marketing services.
Analytics - Software Engineer (React/TypeScript)
Develop and maintain data‑intensive React/TypeScript front‑end analytics applications.
Job Highlights
About the Role
• Design, build, test, and deploy scalable, reusable, and maintainable applications that handle large amounts of data. • Take ownership of work from development and testing to deployment and production support. • Collaborate with engineers, product owners, designers, and leadership. • Become a trusted team member in technical architecture, design, and code. • Advocate for technical and non‑technical evolution and improvement, exploring new technologies, tools, and best practices. • Gain a deep understanding of the CoStar business, including the Analytic products. • Write clean, maintainable, and testable front‑end code.
Key Responsibilities
- ▸app development
- ▸deployment
- ▸production support
- ▸technical architecture
- ▸tech innovation
- ▸front‑end code
What You Bring
We are looking for an experienced Software Engineer to join the Analytics team and drive the full‑lifecycle development of this critical product. The role is based in San Diego (UTC Area) with an in‑office schedule Monday through Thursday and work‑from‑home on Friday. The team is collaborative, blending big‑data, API/platform, and front‑end expertise, and is rapidly expanding to shape the future of Real Estate Analytics. • Bachelor’s degree required from an accredited, not‑for‑profit, in‑person college/university. • Demonstrated commitment to prior employers. • 3–5 years of modern front‑end experience with rapid ramp‑up capability. • Strong proficiency in JavaScript, TypeScript, and at least one modern front‑end framework (preferably React). • Experience using REST APIs and handling data‑driven UI. • Knowledge of CSS frameworks (Tailwind preferred). • Comfortable with Git, PR workflows, and code review best practices. • Ability to break down features into tasks and deliver independently with guidance. • Expertise with micro‑frontend architectures. • Comfort using AI‑assisted tools like GitHub Copilot / GenAI. • Familiarity with GraphQL. • Solid understanding of browser behavior, debugging tools, and performance basics. • Exposure to Node.js or backend‑for‑frontend (BFF) patterns. • Familiarity with accessibility (WCAG) and performance optimization techniques. • Experience with D3 or other charting libraries. • Experience with Playwright, Jest, or other testing frameworks. • Understanding of Datadog RUM/APM, logging, or observability.
Requirements
- ▸bachelor's
- ▸3-5 yrs
- ▸javascript
- ▸react
- ▸git
- ▸micro‑frontend
Benefits
CoStar Group offers a collaborative and innovative culture where you work alongside the best and brightest to empower both people and customers. Employees receive generous compensation, performance‑based incentives, and a comprehensive benefits package that supports health, financial security, and personal development. Professional growth is supported through internal training, tuition reimbursement, and an inter‑office exchange program. The base salary for this position ranges from $103,000 to $154,000, depending on relevant skills and experience, and is complemented by a robust benefits plan. Additional perks include stock purchase plans, retirement matching, and various wellness programs. • Collaborative and innovative culture with opportunities for professional growth. • Generous compensation and performance‑based incentives. • Internal training, tuition reimbursement, and inter‑office exchange program. • Comprehensive healthcare coverage (medical, vision, dental, prescription drug). • Life, legal, and supplementary insurance. • Virtual and in‑person mental health counseling services for individuals and families. • Commuter and parking benefits. • 401(k) retirement plan with matching contributions. • Employee stock purchase plan. • Paid time off. • On‑site fitness center or reimbursed membership, yoga studio, Pelotons, personal training, and group classes. • Access to Diversity, Equity & Inclusion Employee Resource Groups. • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and healthy snacks.
Work Environment
Office Full-Time