In-Demand Senior software engineer (.net) Jobs in Parramatta, Nsw

Senior Software Engineer
CoStar Group —Sydney NSW
- Full-time
- Azure
- Computer Science
- Master's degree
AI-Native Engineer (Software Engineering)
PALO IT —Sydney NSW
- Full-time
- Hybrid work
- Azure
- AWS
- Software development
Quick Apply
7d
Senior C# Engineer - Global Technology Company
The Argyle Network —Sydney NSW
- $130,000 a year
- Full-time
- Computer Science
- Bachelor's degree
- No degree
Graduate Software Engineer
KION Group AG —Belrose NSW
- Full-time
- Hybrid work
- Azure
- Computer Science
- SQL
- Health insurance
- Parental leave
Senior Fullstack Engineer
Pyramid Global Technologies —Sydney NSW
- Bachelor's degree
- Agile
- Communication skills
Staff Software Engineer - Consumer Cards
Commonwealth Bank —Sydney NSW
- Full-time
- Systems design
- AWS
- APIs
Sr Full Stack AI Engineer
Tata Consultancy Services —Sydney NSW
- Master's degree
- AWS
- APIs
Senior Software Engineer
Woolworths Group —Surry Hills NSW
- Full-time
- Azure
- SQL
- Work from home
5d
Sr Delivery Consultant: Agentic AI FullStack SDE, AWS Professional Services
Amazon Web Services Australia Pty Ltd —Sydney NSW
- Full-time
- DevOps
- Master's degree
- AWS
GenAI FullStack SDE, AWS Professional Services
Amazon Web Services Australia Pty Ltd —Sydney NSW
- Full-time
- DevOps
- Master's degree
- AWS
Senior Software Engineer - D365 Specialist
Commonwealth Bank —Sydney NSW
- Full-time
- Azure
- Management
- Master's degree
Senior Software Engineer
Ripple —Sydney NSW
- Full-time
- Computer science
- Azure
- Computer Science
- Health insurance
- Parental leave
Quick Apply
6d
Software Support Engineer
HotSchedules Corporate —Bondi Junction NSW
- Full-time
- Computer science
- Computer Science
- Customer service
Software Engineering Team Lead
Freelancer.com —Sydney NSW
- $130,000 - $160,000 a year
- Full-time
- Doctoral degree
- Computer Science
- Engineering
Quick Apply
Principal Software Engineer – Backend Platforms & Service Domains
Commonwealth Bank —Sydney NSW
- Full-time
- AWS
- APIs
- AI
Senior Software Engineer - AI Powered Engineering
Commonwealth Bank —Sydney NSW
- Full-time
- APIs
- AI
5d
Staff Software Engineer – Full Stack (.NET)
Commonwealth Bank —Sydney NSW
- Full-time
- Systems design
- AWS
- APIs
Principal Software Engineer
Commonwealth Bank —Sydney NSW
- Full-time
- APIs
- Leadership
Principal Software Engineer – Digital Customer Journeys
Commonwealth Bank —Sydney NSW
- Full-time
- AWS
- APIs
- AI

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Senior Software Engineer

CoStar Group -
Sydney NSW

Apply Now

Job Details

Full-time

Qualifications

CI/CD
Azure
Law
Computer Science
Software Engineering
AWS Certification
Google Cloud Platform
Master's degree
Microservices
AWS
APIs
Security
AI
Identity & access management
Design patterns

Full Job Description

Senior Software Engineer

Job Description

The Senior Engineer is pivotal in supporting the delivery of our Domain Strategy by driving innovation and

ensuring the development of high-quality software solutions. They are responsible for the entire lifecycle

of medium-sized projects: engineering design, development, test, production, and deployment and

subsequent fixes and improvements.

The Search Platform squad owns Domain's search and discovery layer — services that power how millions of users find property across residential and commercial markets every day. We are responsible for the high-performance, OpenSearch-backed APIs at the heart of the Domain experience, focusing on relevance, reliability, and scale under heavy production load. As Domain's technology landscape evolves, our squad plays a key role in shaping how discovery integrates with CoStar's global platform, while continuing to own the critical-path services behind every property search on Domain.

What you’ll do

Responsible for the entire lifecycle of medium-sized projects: engineering design, development, test, production, and deployment and subsequent fixes and improvements.
Finds solutions to unsolved, loosely-defined, highly-technical problems.
Consistently writes, co-writes, and reviews documentation and production-ready code that is clear, concise, tested, and easily understood by others.
Proficient in multiple languages, frameworks, and tools.
Quick and effective in identifying and resolving issues, balancing trade-offs between speed, quality, and technical debt.
Approaches work with a security lens and actively looks for security vulnerabilities both in code and when providing code reviews.
Understands the big picture and system-wide impact, aligning with and contributes to domain wide architecture, security and technology standards
Designs solutions with scalability and future needs in mind.
Collaborates with Product Owners to ensure that solutions are aligned with business and customer needs.
Optimises for performance, maintainability, and security, actively looks for security vulnerabilities both in code and when providing code reviews.
Contribute to the System Health and Tech debt backlog for their respective owned service.
Collaborate with Lead Engineers and Tech Leads on improving process and system change.

Essential:

Degree in Computer Science / Software Engineering or related field
Strong experience in C# / .NET, Elastic Search or Open Search for distributed backend services
Experience designing software solutions for scale
Experience with high traffic customer-facing services
Experience working with one of the common Cloud Platforms such as AWS, Azure or GCP
DevOps practices, CI/CD, and infrastructure-as-code
Familiar with Cloud Design patterns
Familiar with modern Application Security Practices (OWASP)
Understanding of shift-left testing and how to implement it in practice
Experience with microservices and event-driven architectures
Experience working with Tech leads to optimise engineering practices and processes
Experience mentoring more junior engineers
Experience working in cross-functional teams (Product, Design and Tech)

Nice to have

Hands on experience with AWS (ECS/EKS, Bedrock, IAM, networking)
Experience with AI-assisted engineering workflows
Experience building production AI/LLM systems
TypeScript / Node.js for AWS Lambda and infrastructure-as-code (CDK)
AWS (or other Cloud Platform) Certification

What’s In It For You?

About Domain (part of the CoStar Group)

Domain is a leading property technology and services marketplace that is home to one of the largest portfolios of property brands in Australia, including the Domain, Allhomes and Commercial Real Estate (CRE) platforms. In 2025, Domain became part of CoStar Group - a global leader in commercial real estate information, analytics, online marketplaces and 3D digital twin technology. We are dedicated to digitising the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives.

Equity, Diversity & Inclusion

Domain is enthusiastically and unapologetically committed to fostering an equitable, inclusive work culture which reflects our customers and communities. We are proactively looking for candidates from all lived experiences, including people with disability, and people of all ages, ethnicities, cultures (including Aboriginal and Torres Strait Islander Peoples), faiths, sexual orientations, and gender identities (including trans and non-binary people).

We are committed to providing an equitable recruitment process for people with disability. If you require adjustments during the process we’re here to support. If you wish to receive this job advertisement in an accessible format, or have a confidential chat about workplace adjustments, please contact our Equity, Diversity and Inclusion team at [email protected] or leave a message on 1300 858 356 and we will get back to you.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

Apply Now

Refine Your Search

senior software engineer (.net) jobs in parramatta, nsw

Senior Software Engineer

AI-Native Engineer (Software Engineering)

Senior C# Engineer - Global Technology Company

Graduate Software Engineer

Senior Fullstack Engineer

Staff Software Engineer - Consumer Cards

Sr Full Stack AI Engineer

Senior Software Engineer

Sr Delivery Consultant: Agentic AI FullStack SDE, AWS Professional Services

GenAI FullStack SDE, AWS Professional Services

Senior Software Engineer - D365 Specialist

Senior Software Engineer

Software Support Engineer

Software Engineering Team Lead

Principal Software Engineer – Backend Platforms & Service Domains

Senior Software Engineer - AI Powered Engineering

Staff Software Engineer – Full Stack (.NET)

Principal Software Engineer

Principal Software Engineer – Digital Customer Journeys

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