Senior Software Engineer

CoStar Group

Confirmed live yesterday High trust
Hybrid

Quick summary

Work type
Hybrid
Location
San Diego, CA
Salary
$124,000–$187,000 / yr
Posted
56 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $169k
This role $156k
$106k most similar roles pay here $248k

This role pays less than 66% of similar roles. Most pay $149,500–$188,277 — the shaded band above. At the midpoint, this role pays about $156k versus about $169k for comparable roles.

Based on 240 similar postings.

Employer

About CoStar Group

CoStar Group is the leading provider of commercial real estate information, analytics, and online marketplaces, including CoStar, Apartments.com, and LoopNet platforms. Industry: Commercial Real Estate Data & Analytics

CoStar Group currently has 65 open roles on FindRole.

Listed pay typically runs $133,000–$190,000 across 63 roles with salary data.

Most-posted roles

View all roles at CoStar Group

At a glance

TL;DR · Senior Software Engineer

As a Senior Software Engineer, you will join the engineering team to design, build, and maintain production applications using C# and .NET. You will be responsible for developing scalable, cloud-native solutions while utilizing Claude for AI-assisted development tasks such as code generation, refactoring, debugging, and analysis. The role involves building and operating systems on AWS using services like EC2, ECS/EKS, Lambda, S3, RDS, and DynamoDB. You will collaborate with product and architecture teams to participate in system design, code reviews, and technical decision-making while mentoring other engineers. Key technical requirements include experience with .NET Core, building APIs, Git-based workflows, and potentially Databricks or Infrastructure-as-Code tools like Terraform. The work focuses on solving complex problems within the domain of real estate information and online marketplaces.

What does a Software Engineer earn in California?

Median $214000 from 775 postings across 63 companies.

See salary data

What you'll do

  • Design, build, and maintain production applications using C# and .NET.
  • Utilize Claude for AI-assisted code generation, refactoring, debugging, and analysis.
  • Build and operate cloud-native solutions on AWS infrastructure.
  • Participate in system design, code reviews, and technical decision-making.
  • Improve application performance, scalability, and reliability.
  • Mentor other engineers and contribute to engineering best practices.

What we're looking for

  • Bachelor's degree from an accredited, not-for-profit, in-person college or university.
  • Strong experience with C# and .NET/.NET Core.
  • Hands-on experience building and operating cloud solutions on AWS (EC2, ECS/EKS, Lambda, S3, RDS, DynamoDB, CloudWatch).
  • Experience building APIs and backend services.
  • Practical experience using Claude for AI-assisted development, code generation, or refactoring.
  • Solid understanding of software design principles and Git-based workflows.
  • Experience with microservices, distributed systems, and CI/CD pipelines.
  • Experience with Infrastructure-as-Code tools like Terraform, CloudFormation, or CDK.

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