Senior Software Engineer - AI-Driven CRM & React

costar; United States; Hybrid; USD 130,000 - 170,000; Full time

Job summary

CoStar Group, a leading real estate information provider, seeks a Senior Software Engineer for its Sales Development team. You will build customer-facing CRM features, design AI-powered solutions, and integrate intelligent workflows across CoStar brands.

The role focuses on building robust applications with React, TypeScript, C#, and AWS, while driving best practices and collaboration with Product, Sales, and Data teams.

Qualifications

• 6+ years of software development experience with OOP languages.
• Experience architecting large-scale distributed, service-oriented systems and web apps in agile environments.
• Experience building RESTful APIs using C#.
• Proficiency with Git versioning tools.
• Understanding AI technologies and hands-on AI adoption and development.
• Familiarity with large language models (LLMs) and prompt engineering.
• Familiarity with CI/CD deployment processes.

Responsibilities

• Build customer-facing web apps using React and TypeScript.
• Design and implement AI-powered software solutions to enhance customer experience and product capabilities.
• Integrate AI skills, agents, tools, and workflows into internal and customer-facing systems.
• Produce robust, maintainable code using C#, .NET, SQL Server, and AWS.
• Use telemetry to identify anomalies and optimize performance and reliability.
• Lead software design, development standards, and code reviews.
• Collaborate with Product, Sales, and Data teams to create business value.

Skills

React

TypeScript

C#

REST APIs

Git

AI

LLMs

CI/CD

Distributed systems

Education

Bachelor's Degree

Tools

AWS

SQL Server

DynamoDB

Lambda

SQS

Job description

CoStar Group, a leading real estate information provider, seeks a Senior Software Engineer for its Sales Development team. You will build customer-facing CRM features, design AI-powered solutions, and integrate intelligent workflows across CoStar brands.

The role focuses on building robust applications with React, TypeScript, C#, and AWS, while driving best practices and collaboration with Product, Sales, and Data teams.