Senior Software Engineer - Irvine, CA

Sorry, this job was removed at 06:14 p.m. (CST) on Wednesday, Feb 04, 2026
2 Locations
In-Office or Remote
Information Technology • Real Estate • Analytics
The Role
Senior Software Engineer - Irvine, CA


Job Description


CoStar Realty Information Inc. seeks Senior Software Engineer in Irvine, CA

Job Duties: Design and develop architecture for software systems, ensuring scalability, reliability, and maintainability. Develop, test, and maintain high-quality code while conducting thorough code reviews to ensure adherence to best practices and coding standards. Work closely with product managers, designers, and other stakeholders to gather requirements and translate them into technical specifications. Analyze system performance, identify bottlenecks, and implement solutions to enhance application efficiency and reliability. Part-time telecommuting may be permitted.

Minimum Requirements: Bachelor’s degree, or foreign equivalent, in Computer Science, Engineering, Information Systems, or a related field plus five years of experience in software developer or related occupation.

Special Skill Requirements: 5 years of progressively responsible experience with designing scalable and maintainable software architectures. Experience must include at minimum: 5 years of experience using C#, .NET Core, REST Services, React, JavaScript, CSS3, HTML5, SQL Server, and SSIS Packages to run existing user interface and backend systems operations and development functionality; 5 years of experience using AWS Lambdas, Steps Functions, DynamoDB, S3, ECS, ECR, and ALB to increase efficiency among existing backend services; 5 years of experience with software development methodologies, including Agile and Scrum; 5 years of experience working with databases and performing data modeling; 5 years of experience with version control tools, including Git, for managing codebase changes and branches; and 2 years of experience using Terraform, Azure pipelines, and Jenkins.

Salary: $184,558.00 - $194,558.00 per annum. 40 hours per week; M-F, 9:00 a.m. to 5:00 p.m.

Must be legally authorized to work in the U.S. without sponsorship.

#DNI


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

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The Company
Arlington, VA
6,500 Employees
Year Founded: 1987

What We Do

CoStar Group (NASDAQ: CSGP) is the provider of commercial real estate information, analytics and marketing services.

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