Debt Solutions - Principal Software Engineer (React/C#/AWS)
Core
Architect and design full-stack web products and high-volume data pipelines for CoStar's Real Estate Analytics platform, serving commercial and residential real estate customers.
Role type
Principal Software Engineer (Architect)
Builds
Customer-facing Real Estate Analytics products and secure data pipelines
Domain
Real Estate / Commercial Analytics / Web Applications
Deliverable
production ML models | product features | infrastructure
Required skills
System architecture design, Microservices, Serverless, AWS services (Lambda, DynamoDB, CloudFormation), C#, JavaScript/TypeScript, Relational and NoSQL databases, Event-oriented architectures, Real-time data streaming, Test Driven Development, Security-minded development
Preferred skills
Architect-level certifications (AWS/Azure/GCP), CI/CD, Infrastructure as Code (Terraform), Observability (CloudWatch/Kibana), Tokenization/OpenID
Technologies
React, C#, AWS, Lambda, DynamoDB, CloudWatch, CloudFormation, SNS/SQS, S3, API Gateway, GraphQL, Terraform, Git, Azure DevOps, Kibana
Responsibilities
Drive architectural direction for new greenfield systems and evolve existing complex solutions, Act as subject matter expert for technical leadership and developers, Create and maintain architectural diagrams and system documentation, Mentor staff on microservices and data streaming, Advocate for security and high-performance product design, Diagnose complex performance and scalability issues
Seniority
Principal, hands-on IC with strategic influence
