Senior .Net Developer

Senior .Net Developer

On-site
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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.

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 employer: Sestra People

Join a dynamic and innovative team as a Principal Full Stack Engineer, where you'll have the opportunity to lead cutting-edge projects in a collaborative environment. Our company values employee growth and offers flexible working arrangements, ensuring a healthy work-life balance while you drive technical excellence in AWS and modern frameworks. With a strong focus on professional development and a culture that encourages creativity and innovation, this role is perfect for those looking to make a significant impact in their field.

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Contact Details:

Sestra People Recruitment Team