Skip to content
Find jobs
Sign inCreate account
TermsPrivacy policyCookiesPremium termsStatus
© 2026 Joined. Job search and hiring.
Principal Software Engineer at CoStar Group · Irvine, CA · Joined
  1. /Find jobs
  2. /CoStar Group
  3. /Principal Software Engineer
CG

Principal Software Engineer

CoStar Group · Irvine, CA · Just now · 0 applicants
NewHybridFull-timeLead
Pay
$214k–$297kListed
Workplace
Hybrid
Job type
Full-time
Level
Lead
Source: jobright · Posted by joined-scrapper

About the role

CoStar Group seeks a Principal Software Engineer to own the architecture and design of enterprise-level full-stack web products and high-volume, secure data pipelines while guiding the evolution of existing systems. The role collaborates across product, technology, and development teams to deliver secure, performant solutions and requires deep AWS expertise, with no visa sponsorship available.

What you’ll do

  • Own the architecture and design of software systems
  • Design full-stack web products and high-volume secure data pipelines
  • Guide the evolution of existing systems
  • Collaborate across product, technology, and development teams
  • Deliver secure, performant enterprise-scale solutions
  • Establish software development best practices

What you’ll need

  • Bachelor's Degree from an accredited, not-for-profit, in-person college/university
  • 10+ years of experience designing complex enterprise-level web applications
  • Expert-level proficiency in C#, Java, Python, or JavaScript/TypeScript
  • Hands-on experience with AWS services including Lambda, DynamoDB, CloudWatch, CloudFormation, SNS/SQS, S3, and API Gateway
  • Experience with Test Driven Development methodologies
  • Experience modeling and implementing large-scale relational and NoSQL database systems

Original job description

CoStar Group is a provider of commercial and residential real estate information, analytics, and online marketplaces. The company is seeking a Principal Software Engineer to own the architecture and design of software systems, including full-stack web products and high-volume, secure data pipelines, while guiding the evolution of existing systems. The role…

Mark this job as applied?

We opened the listing in a new tab. Marking it adds it to My applications so your list stays up to date.

Report this job

Tell us what looks wrong. A job that is simply not a fit is not a report.
Reason
Scam job
Fake company
Asks for payment
Something else, with details