Lender - Senior Software Engineer (C#/AWS/Platform Engineering)

Sorry, this job was removed at 08:10 a.m. (CST) on Thursday, Dec 11, 2025
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San Diego, CA
In-Office
124K-202K Annually
Information Technology • Real Estate • Analytics
The Role
Lender - Senior Software Engineer (C#/AWS/Platform Engineering)


Job Description


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 and the NASDAQ 100, 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.

  • 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.

  • 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. Explore new technologies, tools and best practices.

  • 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.

  • 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, tuition reimbursement, and an inter-office exchange program.

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 Diversity, Equity, & Inclusion Employee Resource Groups

  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

This position offers a base salary range of $124,000 - $202,000, based on relevant skills and experience and includes a generous benefits plan.

#LI-VP1


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

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The Company
Arlington, VA
6,500 Employees
Year Founded: 1987

What We Do

CoStar Group (NASDAQ: CSGP) is the provider of commercial real estate information, analytics and marketing services.

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