Senior Software Engineer (.NET/C#)

CoStar Group - Hendersonville, TN

Full-time - Mid Level

Hendersonville, TN

Real Estate

About the position

The Senior Software Engineer (.NET/C#) position at CoStar Group involves building backend services that power various products within the organization. The role focuses on developing robust, efficient, and maintainable API-driven systems that cater to a large user base, utilizing technologies such as C#, .NET Framework, and AWS. The position is integral to enhancing the technology platform and driving innovation in real estate information and online marketplaces.

Responsibilities

• Build big, distributed, API-driven systems for tens of thousands of users
• Produce bullet-proof code that is robust, efficient, and maintainable; primary tools include C#, .NET Framework, JSON, SQL Server, and AWS
• Drive and lead software design, development standards, and code reviews
• Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strengthen CoStar's technology platform and develop practices

Requirements

• Bachelor's Degree required from an accredited, not-for-profit university or college
• 5+ years of deep .NET development (C#) experience including cross-platform communication technologies such as Web API
• 3+ years of database design, T-SQL programming, and performance tuning experience
• Ability to design and develop using Object Oriented design principles and software design patterns to attain high reusability and maintainability
• Deliver work products that meet specifications and are defect free and performant
• Experienced in application performance testing and unit testing strategies and implementation
• Excellent software development and engineering skills on large-scale, mission-critical infrastructure applications
• Solid understanding of HTTP concepts (status codes, headers, etc.)

Nice-to-haves

• Experience with .NET Core
• Willingness to take an active role in mentoring other developers
• Demonstrates knowledge of NPM and NuGet
• AWS or Azure experience

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
• Access to CoStar Group's Diversity, Equity, & Inclusion Employee Resource Groups
• Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks