Costar Group
Provides commercial real estate data, analytics, and marketing services.
Senior Software Engineer (C#/.NET/React)
Develop full-stack web applications using React and .NET Core for a real-estate platform.
Job Highlights
About the Role
• Build customer‑facing web applications with React, GraphQL, and TypeScript. • Develop microservices and RESTful APIs using C# and .NET Core. • Lead software design, establish standards, and conduct code reviews for maintainable code. • Evaluate emerging technologies to strengthen the platform and adopt best practices. • Create comprehensive testing procedures for high‑quality applications used by tens of thousands of users. • Architect large‑scale distributed, service‑oriented systems in an agile environment.
Key Responsibilities
- ▸web development
- ▸microservices
- ▸software design
- ▸system architecture
- ▸testing
- ▸tech evaluation
What You Bring
• Bachelor’s degree required. • 5+ years of JavaScript/React experience. • Knowledge of modern ECMAScript specifications. • Experience with SQL or MongoDB. • Proficiency with Git version control. • Familiarity with CI/CD deployment processes. • Continuous learning mindset and collaborative attitude. • Knowledge of RESTful APIs, C#, .NET Framework, and SQL Server (preferred). • Strong communication skills with business and technical partners. • Data modeling expertise across conceptual, logical, and physical designs.
Requirements
- ▸bachelor's
- ▸javascript
- ▸react
- ▸sql
- ▸git
- ▸ci/cd
Benefits
CoStar fosters a collaborative and innovative culture, offering generous compensation, performance‑based incentives, and extensive professional development resources such as internal training, tuition reimbursement, and inter‑office exchange programs. • Competitive salary with performance‑based incentives. • Comprehensive healthcare: medical, vision, dental, and prescription coverage. • Life, legal, and supplemental insurance. • Mental health counseling (virtual and in‑person) for individuals and families. • 401(k) plan with matching contributions and employee stock purchase plan. • Paid time off and tuition reimbursement. • On‑site or reimbursed fitness center, yoga studio, Peloton, personal training, and group classes. • Complimentary gourmet coffee, tea, fresh fruit, and healthy snacks. • Access to Diversity, Equity & Inclusion employee resource groups. • Commuter and parking benefits.
Work Environment
Office Full-Time