Principal Software Architect – Hybrid, Enterprise-Scale & Secure

CoStar Group, Inc.; Irvine, Northern (CA, KY); Hybrid; USD 214,000 - 297,000; Full time

Benefits offered by this job

Healthcare coverage

401(K) retirement plan with matching

Employee stock purchase plan

Tuition reimbursement

On-site fitness center

Job summary

CoStar Group in Irvine, CA seeks a Principal Software Engineer to own architecture for full-stack products and high-volume data pipelines. You will convert product requirements into robust system designs while guiding architectural evolution across teams.

This role requires deep technical skills, collaboration, and strong communication; hybrid in-office (Mon‑Thu) with remote Friday work and the chance to influence secure, scalable real‑time platforms in a leading real estate tech company.

Qualifications

• Bachelor's degree in a related field.
• 10+ years of hands-on experience designing complex enterprise web apps.

Responsibilities

• Own the architecture and design of software systems from full stack web products to data pipelines.
• Collaborate with teams to determine architectural direction and ensure documentation and best practices.

Skills

C#

Java

Python

JavaScript/TypeScript

Education

Bachelor's Degree

Tools

AWS

Terraform

Git

Job description

CoStar Group in Irvine, CA seeks a Principal Software Engineer to own architecture for full-stack products and high-volume data pipelines. You will convert product requirements into robust system designs while guiding architectural evolution across teams.

This role requires deep technical skills, collaboration, and strong communication; hybrid in-office (Mon‑Thu) with remote Friday work and the chance to influence secure, scalable real‑time platforms in a leading real estate tech company.