CoStar Group · 3 days ago
Senior Software Engineer
CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. They are seeking an accomplished Senior Full-Stack Software Engineer to design and architect modern web applications and support the Web Enterprise team in building software tools for their proprietary CRM platform.
AnalyticsCommercial Real EstateReal Estate
Responsibilities
Build large-scale, distributed, API-driven systems for critical internal applications
Identify and resolve issues related to database performance and integrity
Design, document and implement efficient and scalable database structures
Drive and lead software design, development standards, code reviews and production releases
Collaborate closely with other Software Engineers across the organization
Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strengthen CoStar’s technology platform and development practices
Willingness to take an active role in mentoring other developers
Qualification
Required
Bachelor's Degree required from an accredited, not for profit university or college
5+ years of production development experience with .NET Core with the ability to integrate front-end components into a scalable, secure, and maintainable backend architecture
3+ years of database design, T-SQL programming, and performance tuning experience
Production development experience using modern front-end frameworks (React, Vue, Angular)
Experience in architecting, designing and building event-driven applications in an agile environment
Excellent software development and engineering skills on large scale, mission-critical applications
Proficiency in unit and performance testing
A track record of commitment to previous employers
Preferred
Experience with Document Data Systems (Dynamo, OpenSearch) a plus
Comfortable working across the stack with Node.js on the server-side
Experience with AWS S3, Lambda, SQS, Kafka, Redis a plus
Experience with Docker and container orchestration a plus
Experience working on a SOX compliant team a plus
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
Company
CoStar Group
CoStar Group (NASDAQ: CSGP) is the provider of commercial real estate information, analytics and marketing services.
Funding
Current Stage
Public CompanyTotal Funding
unknown1998-07-01IPO
Recent News
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2026-01-16
2026-01-09
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