Software Engineer II - Data Platform & AI

CoStar Group, Inc.; Richmond, Northern (VA, KY); Hybrid; USD 108,000 - 140,000; Full time

Benefits offered by this job

Healthcare coverage

Tuition reimbursement

401(k) with match

Employee stock purchase plan

Job summary

CoStar Group, Inc. is seeking a Software Engineer II - Data Management to design and build API-driven, large-scale data platforms powering CoStar Suite, LoopNet, and Homes.com.

You will own data ingestion, ensure quality, and improve existing data through robust automation while collaborating with product, research, and data teams. The role emphasizes AI-driven opportunities, scalable code, and strong data governance, with a hybrid work model and strong compensation.

Qualifications

• Bachelor’s degree with 4+ years of full-stack development experience.
• Experience with C#, .NET, React, JavaScript, and relational databases (SQL Server and/or PostgreSQL).
• Experience designing large-scale distributed, service-oriented applications.

Responsibilities

• Design, build, and maintain large-scale, distributed, API-driven systems used by thousands of users.
• Develop and integrate AI-powered solutions and intelligent workflows.
• Improve monitoring, observability, diagnostics, and system reliability; reduce operational risk.

Skills

C#

.NET

React

JavaScript

SQL

API design

AI/LLMs

Education

Bachelor’s degree in a related field

Tools

AWS

Azure

DynamoDB

S3

Lambda

Job description

CoStar Group, Inc. is seeking a Software Engineer II - Data Management to design and build API-driven, large-scale data platforms powering CoStar Suite, LoopNet, and Homes.com.

You will own data ingestion, ensure quality, and improve existing data through robust automation while collaborating with product, research, and data teams. The role emphasizes AI-driven opportunities, scalable code, and strong data governance, with a hybrid work model and strong compensation.