Our client is a leading financial services organisation based in Sydney CBD, currently undertaking a significant technology transformation program. With a strong focus on up-to-date engineering practices, cloud technologies, and digital innovation, they are seeking an experienced Senior .NET Engineer to join their high-performing technology team.

About the Company

Our client is a leading financial services organisation based in Sydney CBD, currently undertaking a significant technology transformation program. With a strong focus on modern engineering practices, cloud technologies, and digital innovation, they are seeking an experienced Senior .NET Engineer to join their high-performing technology team.

The Opportunity

This is an exciting 12-month daily rate contract for a hands-on Senior .NET Engineer who enjoys building scalable, secure, and high-performing enterprise applications. You will work on business-critical platforms and collaborate closely with architects, product owners, and engineering teams to deliver innovative solutions.

The ideal candidate will bring a strong technical background alongside proven experience working in contract roles, allowing them to quickly adapt, deliver value, and operate effectively within dynamic enterprise environments.

Key Responsibilities

- Design, develop, and enhance enterprise applications using the Microsoft technology stack.

- Build and maintain REST APIs and backend services.

- Work closely with business and technical stakeholders to deliver high-quality solutions.

- Contribute to solution design and architectural discussions.

- Drive engineering best practices through code reviews, testing, and continuous improvement.





- Troubleshoot and resolve complex technical issues.

- Mentor developers and contribute to a collaborative team culture.

- Participate in Agile ceremonies and delivery activities.

Skills & Experience
Essential

- 5+ years of .NET development experience.

- Minimum 3 years of contract experience within enterprise environments.

- Strong expertise in:

- C#

- .NET Core / .NET 6+

- ASP.NET Core

- RESTful APIs

- SQL Server

- Azure Cloud Services

- Experience building and supporting enterprise-scale applications.

- Strong understanding of software design patterns and modern architecture principles.

- Experience working within Agile delivery teams.

- Excellent communication and stakeholder management skills.

Highly Desirable

- Previous experience within financial services, banking, insurance, wealth management, or fintech.

- Azure DevOps and CI/CD pipeline experience.

- Microservices architecture experience.

- Docker and containerisation experience.

- Front-end experience with React or Angular.

- Experience working in highly regulated environments.

What's on Offer?

- 12-month daily rate contract with strong extension potential.

- Hybrid working model (3 days per week onsite in Sydney CBD ).

- Opportunity to work on major transformation and modernisation initiatives.

- Modern Microsoft and Azure technology stack.

- Collaborative and delivery-focused engineering culture.

- Competitive daily rate.

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📌 Senior .Net Developer (City of Sydney)
🏢 Sestra People
📍 City of Sydney