Senior Software Engineer (C#/.NET)

Senior Software Engineer (C#/.NET)

Job Description

CoStar delivers real-time, verified commercial real estate data that helps clients confidently spot great opportunities and make smart choices ahead of competitors. By combining the power of CoStar's independent research organization - the industry's largest - with global data delivery, software, and application solutions, clients can act on opportunities with confidence.

As CoStar's next Senior Software Engineer, you will have a direct impact on highly visible web applications that touch millions of users. You continuously learn emerging technologies and architecture advancements and apply the learnings to improve CoStar's software products. We are searching for an exceptional Senior Software Engineer in San Diego, CA to support CoStar's software products.

As a member of the Platform and Auth Services team, you will be working on security related applications which are responsible for authentication, authorization, and protection of sensitive information.

This position is in our California La Jolla or Irvine offices and is a hybrid work role with 3 days on-site and 2 days remote. Work weeks with a four 10-hour-day and 3-day weekend schedule are also available, if interested.

RESPONSIBILITIES

• Build a secure authentication system which is scalable and highly available.
• Produce bullet-proof code that is robust, efficient, and maintainable; our primary tools are C#, .NET, JSON, SQL Server, and AWS.
• Drive and lead software design, development standards, code reviews.
• Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strengthen CoStar's technology platform and development practices.

BASUC QUALIFICATIONS

• Bachelor's degree, preferably in Computer Science
• 3+ years of C# development experience
• Proficiency in designing and developing software applications which leverage both object-oriented and functional design principals to ensure defect-free code while maximizing reusability, maintainability, and testability
• Proficiency in unit, functional, and performance testing strategies and implementation
• Proficiency in developing and consuming HTTP/REST APIs
• A passion for learning new things and solving challenging problems and puzzles

PREFERRED QUALIFICATIONS & SKILLS

• Experience with or understanding of fundamental cryptographic operations such as encryption, hashing, and signing
• Experience developing applications in AWS, specifically utilizing Lambda, Fargate, S3, DynamoDB, and Aurora
• Experience designing and utilizing relational databases such as MS SQL Server, MySQL, or PostgreSQL
• Experience designing and utilizing non-relational databases such as Amazon DynamoDB, MongoDB, or Redis
• Experience with NuGet, NPM, or other package management systems
• Experience with GraphQL, OData, gRPC, or similar technologies
• Experience with Protobuf, Avro, or other binary serialization formats
• Experience with or understanding of OpenID Connect or OAuth2
• Experience with CQRS and Event Sourcing design patterns
• Solid understanding of data structures & algorithms and the performance characteristics of each

About the Company:

Founded in 1987, CoStar Group is the leading provider of commercial real estate information, analytics, and online marketplaces. Our suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values, market conditions and current availability. Behind some of the most well-known brands in the industry, CoStar Group includes CoStar, the largest provider of CRE research and real-time data; LoopNet, the most heavily trafficked mobile and online real estate marketplace; Apartments.com, the premier rental home resource for renters, property managers and owners; STR, the leading provider of performance benchmarking and comparative analytics to the hotel industry; BizBuySell, the largest online marketplace for businesses-for-sales; and Lands of America, the leading operator of online marketplaces for rural real estate.

Headquartered in Washington, DC, CoStar Group maintains offices throughout the U.S. and in Europe, Canada, and Asia with a staff of over 4,300 worldwide.

Benefits:

Working at CoStar Group means you'll enjoy a culture of collaboration and innovation that attracts the best and brightest across a broad range of disciplines. In addition to generous compensation and performance-based incentives, you'll be supported in both your professional and academic growth with internal training, tuition reimbursement, and an inter-office exchange program.

Our benefits package includes (but is not limited to):

• Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
• Life, legal, and supplementary insurance
• Commuter and parking benefits
• 401(K) retirement plan with matching contributions
• Employee stock purchase plan
• Paid time off
• Tuition reimbursement
• Parental leave

Be part of a team of professionals enjoying the opportunity to learn, do, and grow in a rewarding atmosphere. But don't just take our word for it -- see why our team chose to work at and stay at CoStar Group: https://www.youtube.com/watch?v=CVbJRnJ2sX0

We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar is not able to provide visa sponsorship for this position

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CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing