<br>
Job Description
<br>
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.
As a CoStar Lead Software Engineer you will have a direct impact on highly visible Apartments web applications that touch millions of users. You continuously learn emerging technologies and architecture advancements and apply the learnings to improve Apartments’ software product
This position is in Irvine, CA and offers 3 days a week onsite with 2 days remote
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 (Computer Science or Engineering preferred).
A track record of commitment to prior employers.
10+ years of production development experience with C#, .Net (or .Net Core)
A demonstrable track record of building and launching successful products and platforms
Demonstrate working knowledge Vue, React or Angular in TypeScript
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
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 $145,000 – $222,000, based on relevant skills and experience and includes a generous benefits plan.
#LI-IZ1
CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing
<br>
CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing
0 applies
1 views
Other Jobs from CoStar
Lead Wireless Network Engineer
Technology Intern - Summer 2025, ATL
Senior Front End Software Engineer
Apartments - Senior Software Engineer (C#/.Net/Database)
There are more than 50,000 engineering jobs:
Subscribe to membership and unlock all jobs
Engineering Jobs
60,000+ jobs from 4,500+ well-funded companies
Updated Daily
New jobs are added every day as companies post them
Refined Search
Use filters like skill, location, etc to narrow results
Become a member
🥳🥳🥳 401 happy customers and counting...
Overall, over 80% of customers chose to renew their subscriptions after the initial sign-up.
To try it out
For active job seekers
For those who are passive looking
Cancel anytime
Frequently Asked Questions
- We prioritize job seekers as our customers, unlike bigger job sites, by charging a small fee to provide them with curated access to the best companies and up-to-date jobs. This focus allows us to deliver a more personalized and effective job search experience.
- We've got about 70,000 jobs from 5,000 vetted companies. No fake or sleazy jobs here!
- We aggregate jobs from 5,000+ companies' career pages, so you can be sure that you're getting the most up-to-date and relevant jobs.
- We're the only job board *for* software engineers, *by* software engineers… in case you needed a reminder! We add thousands of new jobs daily and offer powerful search filters just for you. 🛠️
- Every single hour! We add 2,000-3,000 new jobs daily, so you'll always have fresh opportunities. 🚀
- Typically, job searches take 3-6 months. EchoJobs helps you spend more time applying and less time hunting. 🎯
- Check daily! We're always updating with new jobs. Set up job alerts for even quicker access. 📅
What Fellow Engineers Say