Senior Software Engineer
CoStar Group2 months ago
Sydney, AustraliaSenior
Responsibilities
- Own the engineering design, development, testing, production deployment, fixes, and improvements for medium-sized projects.
- Build and maintain high-performance, distributed backend search and discovery services using Elasticsearch or OpenSearch.
- Solve complex, loosely defined technical problems and write, review, and maintain clear production-ready code and documentation.
- Design scalable solutions for high-traffic customer-facing services while optimizing performance, maintainability, reliability, and security.
- Identify security vulnerabilities in code and code reviews and contribute to application-security and technology standards.
- Contribute to system-health and technical-debt backlogs and collaborate with Lead Engineers and Tech Leads on process and system improvements.
- Collaborate with Product Owners and cross-functional Product, Design, and Technology teams to align solutions with customer and business needs.
- Mentor more junior engineers.
Requirements
- Degree in Computer Science, Software Engineering, or a related field.
- Strong experience with C# and .NET, plus Elasticsearch or OpenSearch for distributed backend services.
- Experience designing software solutions for scale and working with high-traffic customer-facing services.
- Experience with AWS, Azure, or GCP and familiarity with cloud design patterns.
- Experience with DevOps practices, CI/CD, and infrastructure-as-code.
- Familiarity with modern application-security practices, including OWASP, and shift-left testing.
- Experience with microservices and event-driven architectures.
- Experience collaborating with Tech Leads, mentoring junior engineers, and working in cross-functional teams.
- Preferred: hands-on AWS experience with ECS, EKS, Bedrock, IAM, and networking; production AI/LLM systems experience; TypeScript and Node.js for AWS Lambda and CDK; and AWS or other cloud-platform certification.
Benefits
- The role is with Domain, part of CoStar Group, a property technology and services marketplace in Australia.
- The employer is committed to equity, diversity, inclusion, and an equitable recruitment process, including workplace adjustments for people with disabilities.
- Accessible job-advertisement formats and confidential workplace-adjustment support are available.
Tech Stack
Categories
About CoStar Group
CoStar Group builds subscription databases, analytics, and online marketplaces for commercial and residential real estate professionals, investors, and advertisers. Its portfolio includes CoStar (research and data), LoopNet (commercial listings), and Apartments.com (rental listings), generating revenue from subscriptions, listings, and advertising. The company is publicly traded on NASDAQ (CSGP) and is headquartered in Arlington, Virginia, with inclusion in the S&P 500 index.