Senior Engineer (OAuth2)

CoStar Group

Full time Computer Occupations
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Location
Australia, New South Wales, Australia
Posted
June 06, 2026

Job Description

Responsibilities

  • Bachelor’s Degree in a relevant technical specialisation
  • Strong experience in C# / .NET 8+ and ASP.NET Core for distributed backend services
  • Strong understanding of OAuth2, OpenID Connect, and token lifecycle management (PKCE, federation, refresh tokens, assertion grants)
  • Experience designing software solutions for scale 
  • Experience with high traffic customer-facing services
  • Experience working with Tech leads to optimise engineering practices and processes 
  • Experience working with one of the common Cloud Platforms such as AWS, Azure, and/or GCP 
  • Experience with microservices and event-driven architectures
  • Experience with SQL data stores (PostgreSQL, MySQL/Aurora) and NoSQL (DynamoDB, Redis)
  • DevOps practices, CI/CD, and infrastructure-as-code
  • Understanding of shift-left testing and how to implement it in practice 
  • Experience working in Agile environments 
  • Experie...

    • Job Details

    • Job Type
      Full time
    • Category
      Computer Occupations
    • Date Posted
      June 06, 2026
    • Application Deadline
      July 16, 2026