Senior .Net Developer

Sestra People; Melbourne; On-site; AUD 129,000 - 203,000; Full time

Benefits offered by this job

12-month daily rate contract

Onsite 3 days/week Melbourne CBD

Job summary

Sestra People represents a leading financial services client in Melbourne CBD seeking an experienced Senior .NET Engineer to join a hands-on, high-performing technology team. The contract spans 12 months with a daily-rate arrangement and an on-site requirement in Melbourne CBD three days per week.

You will design, develop, and maintain enterprise applications using C#, .NET Core, ASP.NET Core, REST APIs, and SQL Server.

Qualifications

• 5+ years of .NET development experience.
• Minimum 3 years of contract experience in enterprise environments.
• Strong expertise in C#, .NET Core / .NET 6+, ASP.NET Core, RESTful APIs, SQL Server.

Responsibilities

• Design, develop, and enhance enterprise applications using the Microsoft technology stack.
• Build and maintain REST APIs and backend services.
• Develop cloud-native solutions across Azure and AWS environments.
• Collaborate closely with business and technical stakeholders to deliver high-quality solutions.
• Contribute to solution design, architecture, and cloud migration initiatives.
• Drive engineering best practices through code reviews, testing, and continuous improvement.
• Troubleshoot and resolve complex technical issues across application and cloud platforms.
• Mentor developers and contribute to a collaborative engineering culture.
• Participate in Agile ceremonies and delivery activities.

Skills

C#

.NET Core / .NET 6+

ASP.NET Core

REST APIs

SQL Server

Azure

AWS

Docker

Terraform

Azure DevOps

CI/CD

Tools

Terraform

Docker

Git

CI/CD pipelines

Job description

Our client is a leading financial services organisation based in Melbourne 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 Melbourne 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, cloud engineers, and engineering teams to deliver innovative solutions across a hybrid cloud environment.

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. Experience working across both Azure and AWS environments is highly valued, as the organisation continues to evolve its multi-cloud strategy.

Key Responsibilities

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

• Build and maintain REST APIs and backend services.

• Develop cloud-native solutions across Azure and AWS environments.

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

• Contribute to solution design, architecture, and cloud migration initiatives.

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

• Troubleshoot and resolve complex technical issues across application and cloud platforms.

• Mentor developers and contribute to a collaborative engineering 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

• Strong cloud experience across Azure and AWS, with the ability to design, deploy and support applications in a hybrid cloud environment.

• 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

• Experience with Azure services such as App Services, Functions, AKS, Service Bus, Azure SQL, Key Vault and Azure DevOps.

• Experience with AWS services such as ECS, EKS, Lambda, API Gateway, S3, RDS and CloudWatch.

• Experience designing and supporting multi-cloud or hybrid cloud solutions.

• Azure DevOps and CI/CD pipeline experience.

• Infrastructure as Code experience using Terraform, Bicep or CloudFormation.

• Microservices architecture experience.

• Docker and containerisation experience.

• Front-end experience with React or Angular.

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

• Experience working in highly regulated environments.

What's on Offer?

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

• 3 days per week onsite in Melbourne CBD.

• Opportunity to work on major cloud transformation and modernisation initiatives.

• Exposure to both Azure and AWS environments.

• Collaborative and delivery-focused engineering culture.

• Competitive daily rate.