CoStar Group
Lender - Principal Software Engineer (React/C#/AWS)
CoStar Group, New York, New York, United States
Overview
CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. CoStar Group is on the S&P 500 Index and the NASDAQ 100, and 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 for lenders, creating data-intensive applications that transform vast data into fast, reliable, and intuitive analytics. Our CoStar for Lenders 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 and guiding the architectural evolution of current solutions. It requires strong collaboration across multiple teams and disciplines and the ability to work in a secure, performant, enterprise-scale environment. The position is located in San Diego (UTC Area) and is in office Monday through Thursday with remote work 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 with emerging technologies, evaluate and develop practices and identify how they might improve existing or new systems we are building. Develop a deep understanding of the CoStar business, and how the technical work aligns with that strategy. Advocate for well-instrumented, stable, high-performance products. Be a go-to resource in understanding and diagnosing 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 required from an accredited university A track record of commitment to prior employers 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 plus. Expert-level proficiency in at least one of: C#, Java, Python, JavaScript/TypeScript. Exposure to full web stack (e.g., GraphQL) is a plus. Significant experience with AWS services including Lambda, DynamoDB, CloudWatch, CloudFormation, SNS/SQS, S3, API Gateway, etc. Experience with Test Driven Development methodologies. Experience modeling and implementing large-scale relational and NoSQL database systems. Experience designing/implementing event-oriented architectures and real-time data streaming solutions. Strong ability to communicate through architectural diagrams. Preferred Qualifications
Architect-level certifications from AWS, Azure or GCP Experience with agile development methodologies Experience with modern source control and CI/CD technologies including Git or Azure DevOps Experience establishing software development best practices, including standards, code reviews, source control, builds, testing and operations Experience with Infrastructure as Code in Terraform Experience in observability logging/tracing with CloudWatch and/or Kibana Experience building highly secure software, including tokenization, OpenID, etc. Team or project leadership experience is a plus What’s In It For You
When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, tuition reimbursement, and an inter-office exchange program. Our Benefits Package Includes (but Is Not Limited To)
Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug Life, legal, and supplementary insurance Virtual and in person mental health counseling services for individuals and family Commuter and parking benefits 401(K) retirement plan with matching contributions Employee stock purchase plan Paid time off Tuition reimbursement On-site fitness center and/or reimbursed fitness center membership costs, with yoga studio, Pelotons, personal training, group exercise classes Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks This position offers a base salary range of
$211,000 - $297,000 , based on relevant skills and experience and includes a generous benefits plan. CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing
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CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. CoStar Group is on the S&P 500 Index and the NASDAQ 100, and 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 for lenders, creating data-intensive applications that transform vast data into fast, reliable, and intuitive analytics. Our CoStar for Lenders 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 and guiding the architectural evolution of current solutions. It requires strong collaboration across multiple teams and disciplines and the ability to work in a secure, performant, enterprise-scale environment. The position is located in San Diego (UTC Area) and is in office Monday through Thursday with remote work 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 with emerging technologies, evaluate and develop practices and identify how they might improve existing or new systems we are building. Develop a deep understanding of the CoStar business, and how the technical work aligns with that strategy. Advocate for well-instrumented, stable, high-performance products. Be a go-to resource in understanding and diagnosing 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 required from an accredited university A track record of commitment to prior employers 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 plus. Expert-level proficiency in at least one of: C#, Java, Python, JavaScript/TypeScript. Exposure to full web stack (e.g., GraphQL) is a plus. Significant experience with AWS services including Lambda, DynamoDB, CloudWatch, CloudFormation, SNS/SQS, S3, API Gateway, etc. Experience with Test Driven Development methodologies. Experience modeling and implementing large-scale relational and NoSQL database systems. Experience designing/implementing event-oriented architectures and real-time data streaming solutions. Strong ability to communicate through architectural diagrams. Preferred Qualifications
Architect-level certifications from AWS, Azure or GCP Experience with agile development methodologies Experience with modern source control and CI/CD technologies including Git or Azure DevOps Experience establishing software development best practices, including standards, code reviews, source control, builds, testing and operations Experience with Infrastructure as Code in Terraform Experience in observability logging/tracing with CloudWatch and/or Kibana Experience building highly secure software, including tokenization, OpenID, etc. Team or project leadership experience is a plus What’s In It For You
When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, tuition reimbursement, and an inter-office exchange program. Our Benefits Package Includes (but Is Not Limited To)
Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug Life, legal, and supplementary insurance Virtual and in person mental health counseling services for individuals and family Commuter and parking benefits 401(K) retirement plan with matching contributions Employee stock purchase plan Paid time off Tuition reimbursement On-site fitness center and/or reimbursed fitness center membership costs, with yoga studio, Pelotons, personal training, group exercise classes Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks This position offers a base salary range of
$211,000 - $297,000 , based on relevant skills and experience and includes a generous benefits plan. CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing
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