Senior Full Stack Engineer (JavaScript/React)

CoStar Group, US-VA Richmond

Work at CoStar Group

Senior Full Stack Engineer (JavaScript/React)

Job Description

Senior Software Engineer – CoStar – Richmond, VA

CoStar is looking for experienced Engineers to help grow our brand and business. CoStar’s Engineering team is building the technology that facilitates 86% of the real estate transactions in the United States. These transactions range from a small business owner leasing their first office space to a large multi-national buying a new headquarters campus. On any given day our developers are building products that manage nearly a trillion dollars of potential real estate transactions.


It’s simple, because we are continuing to grow! Our Richmond office, which is in the heart of the city, will soon expand from more than 1000 employees to triple that number. Being part of this growth translates to more teams, more projects, and more opportunities for you!

CoStar Group, Inc (NASDQ: CSGP) has the place for you! Whether it be Residential, Commercial office, Retail, Apartments, Land and even Business’s themselves. We trach properties and provide consumers the data in realt time to ensure they are making the best decisions in finding, analyzing, and executing deals in all aspects of Real Estate. And we are #1 at what we do!

We are made up of,,, BizBuySell,, Ten-X and so much more!

We truly do value our tech teams with over $3 Billion invested in technology to date.

We also offer a highly competitive salary and benefits package including medical, dental, vision, life insurance, 401k, health and fitness incentives, education reimbursement an employee stock purchase plan and more.


33 years of CRE Experience and constantly expanding into all aspects of real estate

4900 Employees (and counting)

75+ Offices in 13 countries

Almost 300% increase in our stock price in the past 5 years!

Transactions tracked annually of $1.5 Trillion

Annual Revenue of $1.66 Billion


Our tech stack is modern and always evolving. Currently, we utilize a Micro Frontend Architecture with React, TypeScript, GraphQL, Elasticsearch NodeJS, Kubernetes, Docker, Azure DevOps, AWS and E2E testing with Cypress. Our microservice architecture includes .NET Core (C#), Kafka, SQL Server and MongoDB. We embrace CI/CD and are well on the way to being completely cloud based (AWS). You might not have experience in every area but if you have a drive to learn and grow, we encourage you to apply.

We’re looking for a candidate who are energetic, self-motivated, team-oriented, and enjoy being a key contributor in an entrepreneurial environment. This isn’t a task-receiving role; we want your hands, brains, and heart making solutions and shaping the platform’s future.


  • Build big, distributed, API-driven systems for tens of thousands of users
  • Produce bullet-proof code that is robust, efficient and maintainable; our primary tools are C#, .NET Framework, JavaScript, AngularJS, JSON, SQL Server
  • Drive and lead software design, development standards, code reviews.
  • Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strength CoStar’s technology platform and develop practices.


  • Bachelor’s Degree  
  • 5+ years experience in C#, .NET Framework
  • 3+ years experience in MS SQL Server OR Database Design in T-SQL programming/performance tuning
  • Experience in architecting, designing and building large scale distributed, services-oriented systems and web applications in an agile environment
  • Data modeling experience


  • 3+ years experience in JavaScript, ReactJS
  • Strong communication skills (to both business and technical partners
  • Advanced SQL Querying
  • Data modeling experience from conceptual, logical and physical designs
  • Experience with RESTful web services



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

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

About CoStar Group

CoStar Group is the leading provider of online real estate marketplaces, information, and analytics in the commercial and residential property markets.

CoStar Group

Want to learn more about CoStar Group? Visit CoStar Group's website.