Debt Solutions - Senior Software Engineer

CoStar Group
San Diego, CA, United States · San Diego, California, United StatesFull-time$124,000–$202,000Posted Sep 14, 2026

About the role

Debt Solutions - Senior Software Engineer

Job Description

OVERVIEW

CoStar Group 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.

The Analytics team is responsible for the development of CoStar's customer-facing Real Estate Analytics products. We think big, creating innovative data-intensive applications that take the vast amount of data collected by our CoStar Research teams to create a fast, reliable and intuitive analytics platform for our customers. We are a collaborative group with a mix of big data, API/platform and front-end skills, and we are growing rapidly to help invent the future of Real Estate Analytics.

We are searching for an experienced Senior Software Engineer to join our team and drive the full-lifecycle development of this critical product.

This position is located in San Diego (UTC Area) and is in office Monday through Thursday with work from home on Friday.

Responsibilities

Designing, building, testing and deploying scalable, reusable, and maintainable applications that handle large amounts of data, using AI-assisted development workflows where appropriate.

Taking full ownership of your work, from development and testing to eventual deployment and support in production, maintaining high standards for correctness, reliability, and maintainability.

Collaborating with other engineers, product owners, designers, and leadership to drive clear, effective technical designs and implementations.

Becoming a trusted team member in matters of technical architecture, design and code.

Advocating for evolution and improvement - both technical and non-technical - within our teams, including AI-assisted development workflows.

Gaining a deep understanding of the CoStar business, including the Analytic products.

Basic Qualifications

Bachelor’s Degree required from an accredited, not-for-profit, in-person college/university

A track record of commitment to prior employers

7+ years of professional software development experience.

Experience leveraging AI-assisted development workflows in a production environment, using tools such as GitHub Copilot or Claude Code, to generate, review, and improve code.

Solid understanding and experience with Object Oriented Programming

Deep knowledge of modern server-side languages and application frameworks (C#, .NET Framework, Web API, Node)

Knowledge of modern front end (JavaScript, React, etc.) languages and application frameworks

Expertise with relational database systems such as SQL Server

Expertise with software development best practices, including standards, code reviews, source control, builds, testing and operations.

Expertise with Source Control, such as Git or TFS.

Preferred Qualifications

Expertise with Cloud platforms such as AWS or Azure

Strong analytical and problem-solving abilities.

Experience with NoSQL (Redis, Neo4j, etc.) is a plus

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

The final salary or hourly rate offered for this role will fall within the range set forth below based on a variety of factors, including but not limited to, geographic location, skills, and competencies.

Base Compensation: $124,000 - $202,000 (Annually)

Sponsorship Statement

US: 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.

#LI-CG1

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

Responsibilities

  • Designing, building, testing and deploying scalable, reusable, and maintainable applications that handle large amounts of data.
  • Taking full ownership of your work, from development and testing to eventual deployment and support in production.
  • Collaborating with other engineers, product owners, designers, and leadership to drive clear, effective technical designs and implementations.
  • Becoming a trusted team member in matters of technical architecture, design and code.
  • Advocating for evolution and improvement within our teams.

Qualifications

  • Bachelor’s Degree required from an accredited, not-for-profit, in-person college/university.
  • 7+ years of professional software development experience.
  • Experience leveraging AI-assisted development workflows in a production environment.
  • Solid understanding and experience with Object Oriented Programming.
  • Deep knowledge of modern server-side languages and application frameworks (C#, .NET Framework, Web API, Node).
  • Knowledge of modern front end languages and application frameworks.

Benefits

  • Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug.
  • Life, legal, and supplementary insurance.
  • Virtual and in person mental health counseling services.
  • 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 Employee Resource Groups.
  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks.

Skills mentioned

C#.NETNode.jsJavaScriptReactMicrosoft SQL ServerGitREST APIsSoftware TestingMicrosoft Azure

About CoStar Group

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; Zonda, a leading provider of data, analytics, software, and marketplace solutions for the residential construction industry; 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 118 million average monthly unique visitors in the second quarter of 2026, 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.

Real Estate5,001-10,000 employeesArlington, Virginia