Debt Solutions - Lead Software Engineer

CoStar Group; San Diego (CA); Hybrid; USD 170,000 - 222,000; Full time

Benefits offered by this job

Healthcare coverage

401K with match

Employee stock purchase plan

Tuition reimbursement

On-site fitness center

Paid time off

Job summary

CoStar Group is seeking a Lead Software Engineer for its Analytics team in San Diego, with a hybrid schedule (in-office Mon-Thu, work from home on Friday). You will lead end-to-end development of data-intensive Real Estate Analytics products, drive technical design, and mentor engineers while advancing AI-assisted workflows.

The role demands 10+ years of software development, strong OO, and expertise in C#, .NET, Web API, Node, JavaScript, React, and SQL Server.

Qualifications

• Bachelor’s Degree from an accredited college/university.
• 10+ years of professional software development experience.
• Experience using AI-assisted development workflows (e.g., GitHub Copilot or Claude Code) to generate and improve code.
• Strong object-oriented programming skills and modern server-side frameworks.
• Proficiency with C#, .NET Framework, Web API, and Node.js.
• Proficiency with front-end JavaScript and React.
• Experience with relational databases such as SQL Server.
• Familiarity with source control practices (Git or TFS).

Responsibilities

• Design, build, test, and deploy scalable data-rich applications.
• Own work from development to production, ensuring reliability and maintainability.
• Collaborate with engineers, product owners, designers, and leadership on technical designs.
• Contribute to architecture and code quality, and promote improvements including AI-assisted workflows.
• Develop understanding of the CoStar business and analytic products.

Skills

Object oriented programming

Server-side languages

Web API

JavaScript

React

SQL Server

Git or TFS

Education

Bachelor’s degree

Tools

C#

.NET Framework

Web API

Node.js

SQL Server

Git

Job description

Debt Solutions - Lead 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 Lead 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
• 10+ 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:

$170,000 - $222,000 (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