Principal Software Engineer

Principal Software Engineer

Job Description

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.

We develop CoStar's customer-facing Real Estate Analytics products. We think big, creating innovative data-intensive applications that take the vast amount of data collected by our CoStar Research teams to create a fast, reliable, and intuitive analytics platform for our customers.

Our CoStar Benchmark product development team is looking for an experienced Principal Software Engineer to own the architecture and design of our software systems, from full stack web products to high-volume, secure data pipelines. This role includes design of new greenfield systems, so being able to convert product requirements to system architecture is essential. It will also help guide the ongoing architectural evolution of our current solutions, meaning the ability to fully understand existing complex systems is required as well.

This position will be located in Nashville, TN and is in office Monday through Thursday and work from home on Friday.

Responsibilities

• Work in partnership with Product and Technology leadership to deeply understand a project’s complex functional requirements and drive implementation of appropriate technical solutions.
• Collaborate with development teams to determine the right architectural direction based on project needs, level of effort, resourcing, timing, etc.
• Understand existing systems and ensure they are well documented, so that you become a go-to source of architectural information across multiple systems.
• Act as an architectural subject matter expert and source of good advice to technical leadership and developers.
• Drive and evangelize architectural principles and guidelines to ensure high quality, consistent results across teams.
• Partner with engineering managers to ensure that they are following established architectural best practices.
• Create, organize, and maintain architectural diagrams and other system documentation.
• Provide architectural guidance and mentoring to other technical staff on topics such as microservices, micro-frontends, high-volume data streaming / event processing, etc.
• Stay up to date and evaluate emerging technologies and development practices to identify how they might improve our systems.
• Develop a deep understanding of the CoStar business, and how the technical work we are doing aligns with that strategy.
• Advocate for and design solutions that are well-instrumented, so that we are confident we are building stable, high-performance products.
• Be a go-to resource in the understanding and diagnosis of complex performance, scalability, and reliability issues.
• Be an advocate for security and ensure that we are architecting and building secure software products and platforms.

Basic Qualifications

• Bachelor’s degree, preferably in Computer Science/Engineering, from an accredited, not for profit university or college.
• 10+ years of hands-on experience in designing highly complex enterprise-level web applications, including deep knowledge of microservices, serverless, data, and web applications.
• Experience designing and building secure systems and security-minded development practices. Experience with financial data is a big plus.
• Extensive experience in software engineering with expert-level proficiency in at least one of these programming languages: C#, Java, Python, JavaScript/Type Script. Exposure to languages and platforms across the full web application stack is a big plus (e.g., Apollo Graph
  
  QL).
• Significant, hands-on experience designing and implementing solutions using Amazon Web Services (AWS) services including Lambda, Dynamo
  
  DB, Cloud Watch, Cloud Formation, SNS/SQS, S3, API Gateway, Elasti Cache, Data Bricks etc.
• Experience modeling and implementing large-scale relational and No
  
  SQL database systems.
• Experience designing/implementing event-oriented architectures…