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CoStar Group · 11 hours ago

Analytics - Senior Software Engineer - Front End

San Diego, CA

Full-time

Onsite

Mid, Senior Level

$124K/yr - $202K/yr

5+ years exp

CoStar Group is a leader in delivering real-time, verified commercial real estate data. They are seeking an experienced Senior Software Engineer – Front End to join their Analytics team, responsible for developing customer-facing Real Estate Analytics products and driving the full-lifecycle development of this critical product.

AnalyticsCommercial Real EstateReal Estate

Responsibilities

Designing, building, testing, and deploying scalable, reusable, and maintainable applications that handle large amounts of data

Taking ownership of your work, from development and testing to eventual deployment and support in production

Collaborating with other engineers, product owners, designers, and leadership

Mentor and guide junior and mid-level engineers, raising the technical bar through code reviews, pairing, and design discussions

Becoming a trusted team member in technical architecture, design and code

Advocating for evolution and improvement - both technical and non-technical - within our teams and across development teams at CoStar. Explore new technologies, tools and best practices

Gaining a deep understanding of the CoStar business, including the Analytic products

Qualification

JavaScriptTypeScriptReactREST APIsGraphQLCSS frameworksNode.jsGitMicro-frontend architecturesAccessibility (WCAG)D3Datadog RUM/APMPlaywrightJestAnalytical skillsProblem-solving

Required

Bachelor's Degree required from an accredited, not-for-profit, in-person college/university

A track record of commitment to prior employers

5+ years of modern front-end experience who can ramp up quickly

Strong proficiency in JavaScript, TypeScript, and at least one modern front-end framework (preferably React)

Demonstrated ability to design and implement complex UI architectures and component systems

Experience using REST APIs, GraphQL and handling data-driven UI

Knowledge of CSS frameworks (Tailwind preferred)

Solid understanding of browser behavior, debugging tools, and performance basics

Exposure to Node.js or backend-for-frontend (BFF) patterns

Comfortable with Git, PR workflows, and code review best practices

Ability to break down ambiguous problems, create clear technical designs, and deliver independently with minimal guidance

Comfort using AI-assisted engineering tools like GitHub Copilot to enhance productivity and quality

Preferred

Expertise with micro-frontend architectures

Familiarity with accessibility (WCAG), performance optimization techniques

Experience with D3 or other charting libraries

Understanding of Datadog RUM/APM, logging, or observability

Experience with Playwright, Jest, or other testing frameworks

Strong analytical and problem-solving abilities

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