CoStar Realty Information, Inc.
Job Type : Full Time
Date Posted : 6 November 2025
Apartments.com - Senior Software Engineer
Job Description
Overview
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.
We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We've continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.
Apartments.com is the nation's #1 rental marketplace for owners, property managers and consumers. Apartments.com is the network that millions of renters every year rely on to find their new place, is continuing to grow our industry-leading sales force. We provide apartment Property Managers and Owners with a platform to market their property listings and the industry's most comprehensive virtual tools to attract the most and highest-quality renters. The Apartments.com Network includes Apartments.com, ForRent.com, ApartmentFinder.com, ApartmentHomeLiving.com, and eight other leading rental sites. Our suite of services includes digital advertising, social and reputation management, and market analytic solutions which delivers innovative tools for our customers.
Learn more about Apartments.com (https://www.apartments.com/grow/about-us) .
Our team is seeking an accomplished Software Engineer to join our team in supporting multiple software products and brands across the organization. You will have a direct impact on highly visible Apartments.com web applications that touch millions of users. You continuously learn emerging technologies and architecture advancements and apply the learnings to improve Apartments' software products.
This position is located in Irvine, CA and offers 4 days a week onsite with 1 day work from home.
RESPONSIBILITIES
Design and develop using Object Oriented design principles and software design patterns to attain high reusability and maintainability.
Deep knowledge and experience in writing unit testable software with C#
Develop an in-depth understanding of CoStar's product architecture and frameworks. Maintain and contribute to CoStar's product platform as necessary.
Develop database stored procedures and SQL scripts/ETL jobs that meet CoStar database standards to implement product requirements.
Participate and drive continuous improvement within CoStar's Agile/Scrum teams.
Build consensus among different teams working on software development projects.
Facilitate discussions among other .NET and database developers to exchange new ideas and improvements.
Continually evaluate emerging technologies to identify opportunities, trends and best practices that can be used to strengthen CoStar's technology platform and development practices.
BASIC QUALIFICATIONS
Bachelor's Degree required from an accredited, not-for-profit university or college.
A track record of commitment to prior employers.
2+ years of production development experience with C# .Net (or .Net Core)
A demonstrable track record of building and launching successful products and platforms
Deliver products that meet specifications and performance SLA
Experienced in unit, performance, and automation testing
Deeply understand what drives the business for which you are building software
Take an active role in mentoring developers with ability to build consensus
PREFERRED QUALIFICATIONS
Demonstrate working knowledge Vue, React or Angular in TypeScript
Experience in relational database design (MS SQL or MySQL) including performance tuning
Experience with AWS S3, SQS, Dynamo, ElastiCache, Apache Kafka and Datadog
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
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.
This position offers a base salary range of $124,000-$187,000, 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
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.
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. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.
CoStar is committed to creating a diverse environment and is proud to be an equal opportunity workplace and affirmative action employer. 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. CoStar is also committed to compliance with all fair employment practices regarding citizenship and immigration 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 calling 1-855-840-1715 or by sending an email to recruiting@costargroup.com .
Top searches
Job openings near me
Part time engineering jobs near me
Jobs hiring immediately near me
Jobs hiring immediately
No experience jobs near me
Jobs hiring near me
Software engineer jobs near me
Data engineer jobs near me
Weekend jobs near Irvine, CA
Jobs near me no degree
Jobs hiring near me no experience
Night shift jobs near me
Employment opportunities at CoStar Realty Information, Inc.
Costar realty information, inc. entry level jobs
Costar realty information, inc. careers in Irvine
Costar realty information, inc. job openings
Costar realty information, inc. hiring near me
Jobs in costar realty information, inc.
Careers at costar realty information, inc.
Jobs at costar realty information, inc.
Costar realty information, inc. software developer jobs
Costar realty information, inc. jobs near Irvine, CA
Software engineer jobs at costar realty information, inc.
Top trending job titles hiring now
Senior Software Engineer jobs
Associate software engineer jobs
Backend developer jobs
Full stack software engineer jobs
Engineering jobs near Irvine, CA
Software engineer jobs near Irvine, CA
Fullstack developer jobs
Senior full-stack software engineer jobs
Software developer jobs near Irvine, CA
Data engineer jobs near Irvine, CA
Searches you may like
Job openings near me part time
Jobs near me that are hiring
Part time jobs near me no experience
Jobs near me
Part time weekend jobs
Software engineering jobs near me
High paying jobs near me
Part time jobs near me
Part-time jobs with hourly pay
Entry level engineering jobs near me
Urgent hiring jobs near me
Trending Searches in Irvine, CA
Part time jobs near Irvine, CA
High paying jobs in Irvine
Job openings in Irvine, CA
Entry level jobs near Irvine, CA
Jobs hiring in Irvine, CA
Careers near Irvine, CA
Jobs near Irvine
Software developer jobs in Irvine, CA
Software engineer jobs in Irvine, CA
Engineering jobs in Irvine, CA
Senior Software Engineer
Intuit
Location : San Diego, CA
Senior Software Engineer
Capgemini
Location : Santa Clarita, CA
Senior Software Engineer
Anduril Industries
Location : Irvine, CA
Senior Software Engineer
META
Location : Menlo Park, CA
Senior Software Engineer
The Judge Group Inc.
Location : Burlingame, CA