Debt Solutions - Senior Software Engineer

CoStar Group, Inc.; San Diego (CA); Hybrid; USD 124,000 - 202,000; Full time

Benefits offered by this job

Healthcare coverage

Mental health support

Commuter benefits

401(k) with matching

Employee stock purchase plan

Paid time off

Tuition reimbursement

On-site fitness center

Employee ERGs

Free snacks and beverages

Job summary

CoStar Group is seeking a Senior Software Engineer in San Diego to drive full‑lifecycle development of data‑intensive Real Estate Analytics products. You will own features from coding through deployment, collaborating with product, design and leadership to shape scalable architectures.

The role emphasizes OOP, modern server‑side frameworks, and front‑end skills, with cloud experience and NoSQL as pluses. On‑site four days a week with one remote day, compensation reflects seniority.

Qualifications

• Bachelor’s degree from an accredited college or university.
• 7+ years of professional software development experience.
• Experience with AI-assisted development workflows in production.
• Solid understanding of object oriented programming.
• Knowledge of server-side languages and frameworks (C#, .NET, Web API, Node).
• Knowledge of modern front-end (JavaScript, React) and databases (SQL Server).
• Experience with source control and DevOps practices.

Responsibilities

• Design, build, test and deploy scalable data-intensive applications.
• Own work from development through deployment and production support.
• Collaborate with engineers, product owners, designers and leadership.
• Contribute to technical architecture and code quality improvements.
• Promote evolution of processes including AI-assisted workflows.
• Develop deep understanding of CoStar analytics products.

Skills

OOP proficiency

AI-assisted development

Cloud platform awareness

Education

Bachelor’s Degree

Tools

C#

.NET Framework

Web API

Node.js

JavaScript/React

SQL Server

Git/TFS

Job description

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

• 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

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.

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 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 37 years, giving us the perspective to create truly unique and valuable products and services. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry and for our customers.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access www.costargroup.com/careers as a result of your disability. You can request reasonable accommodations by sending an email to [e-mail].