San Diego, California, United States · Hybrid
$124k–$187k/yr
Senior Software Engineer <br> Job Description <br> Overview: CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in…
Skills: C#, .NET, .NET Core, AWS, Claude AI
San Diego, California, United States · Hybrid
$124k–$187k/yr
Senior Software Engineer <br> Job Description <br> Overview: CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in…
Skills: C#, .NET Core, AWS, Claude AI, API Development
San Diego, California, United States · On-site
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San Diego, California, United States · Hybrid
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San Diego, California, United States · On-site
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San Diego, California, United States · Hybrid
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San Diego, California, United States · On-site
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Skills: Product Management, Product Marketing, Networking, Security, Load Balancing
San Diego, California, United States · On-site
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San Diego, California, United States · On-site
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Los Angeles, California, United States · Hybrid
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San Diego, California, United States · On-site
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San Diego, California, United States · On-site
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San Diego, California, United States · On-site
$20/hr–$24/hr
About Warp Speed Holdings Warp Speed Holdings is a growing holding company that invests in and supports a diverse portfolio of start-ups, early-stage ventures, and established businesses. In addition to providing capital…
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San Diego, California, United States · On-site
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The Team and the Role INDUS is a 100% employee-owned, customer-focused government services provider with expertise in Engineering, Information Technology, Cybersecurity, Program/Financial Management, Logistics, and Data …
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San Diego, California, United States · On-site
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San Diego, California, United States · Hybrid
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El Segundo, California, United States · On-site
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San Diego, California, United States · On-site
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San Diego, California, United States · On-site
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San Diego, California, United States · On-site
$111k–$167k/yr
Job Description | San Diego, California Are you passionate about building solutions that will propel Resmed’s Digital Healthcare products into the next decade? Do you want to help shape a platform that is reimagining con…
Skills: Java, React, Kubernetes, Docker, TypeScript
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Design, build, and maintain scalable cloud-native production applications using C# and .NET on AWS. Leverage Claude AI for code generation and refactoring while mentoring other engineers on best practices.
Requires a bachelor's degree and strong professional experience with C#/.NET and AWS services. Practical experience using AI coding tools like Claude is highly preferred.
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Job Description
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CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.
We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.
We’re seeking a Senior Software Engineer with strong C#/.NET experience, hands-on use of Claude for AI-assisted development, and proven experience building and operating systems on AWS. This role focuses on developing scalable, cloud-native solutions while leveraging modern AI tools to accelerate development and improve code quality.
This position is located in San Diego, CA and has the work schedule of 4 days onsite and 1 day work from home.
Design, build, and maintain production applications using C# and .NET
Leverage Claude for code generation, refactoring, debugging, and analysis
Build and operate cloud-based solutions on AWS
Collaborate with product, architecture, and engineering teams
Participate in system design, code reviews, and technical decision-making
Improve application performance, scalability, and reliability
Mentor engineers and contribute to engineering best practices
Bachelor's degree required from an accredited, not-for-profit, in-person college/university
A track record of commitment to prior employers.
Strong experience with C# and .NET / .NET Core
Hands-on AWS experience (EC2, ECS/EKS, Lambda, S3, RDS, DynamoDB, CloudWatch)
Experience building APIs and backend services
Solid understanding of software design principles
Experience with Git-based workflows
Practical experience using Claude for coding or code review
Experience with Databricks
Microservices or distributed systems experience
CI/CD pipelines and DevOps practices
Infrastructure-as-Code (Terraform, CloudFormation, CDK)
Experience with additional AI coding tools
What’s in it for you?
When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, and tuition reimbursement.
Our benefits package includes (but is not limited to):
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 Employee Resource Groups
Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position.
This position offers a base salary range from $124,000 to $187,000 a year, determined by relevant skills and experience, and a generous benefits plan.
#LI-CG1
#CoStar
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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
CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible, STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom. CoStar Group’s websites attracted over 143 million average monthly unique visitors in the third quarter of 2025, serving clients around the world. Headquartered in Arlington, Virginia, CoStar Group is committed to transforming the real estate industry through innovative technology and comprehensive market intelligence. From time to time, we plan to utilize our corporate website as a channel of distribution for material company information. For more information, visit CoStarGroup.com.
Offices: 1201 Wilson Blvd, Arlington, Virginia 22209, US · 181 Bay St, Suite 3420, Toronto, Ontario M5J, CA · 81, Rue Taitbout, Paris, Île-de-France 75009, FR · Calle de Serrano, 47, 13th Floor, Madrid, 28001, ES · 32 London Bridge, 26th Floor, The Shard, London, England SE1 9SG, GB
Based on 1809 listings with disclosed salaries, most technology jobs in San Diego, CA pay between $92k–$223k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 2,085 open technology positions in San Diego, CA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Qualcomm, Northrop Grumman, Northrop Grumman Mission Systems, Inc., Apple, ServiceNow, among others. Browse the listings above to see every active employer.
Yes — 535 of the 2085 open technology positions offer remote or hybrid work (174 remote, 361 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
