Senior Engineer (OAuth2)

CoStar Group

Australia, New South Wales, Australia Full time May 31, 2026

Opportunity 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...

Full time Computer Occupations

Submit your application for Senior Engineer (OAuth2) at CoStar Group

Location Australia, New South Wales

Country Australia

Type Full time

Category Computer Occupations

Posted May 31, 2026

Deadline July 10, 2026