Senior Full Stack / Backend Developer (.NET & React)

Your new company
An exciting opportunity exists for an experienced Senior Full Stack Developer or Senior Backend Developer to join a high-performing technology team delivering software solutions that directly support critical operational environments. Working within a modern engineering team, you will contribute to the development of a large-scale platform used in real-world industrial operations. This role offers the opportunity to build new products and features, influence technical direction, and see the direct impact of your work in production environments. You will join a team-oriented, cross-functional team focused on delivering scalable, reliable, and high-quality software solutions while working with modern technologies and engineering practices.Your new role

- Design, develop, and maintain backend services using C# and .NET
- Build and enhance modern web applications using React
- Develop scalable microservices and event-driven solutions
- Own features throughout the full software development lifecycle, from design to deployment
- Collaborate closely with product owners, architects, and subject matter experts to solve complex business challenges
- Contribute to architectural decisions and technical best practices
- Improve system performance, reliability, observability, and maintainability
- Support continuous improvement initiatives across engineering processes and standards





What you'll need to succeed
Backend Development

- Strong commercial experience with C# and .NET
- Proven experience designing and building microservices architectures
- Experience working with event-driven systems
- Solid SQL development skills, ideally with SQL Server
- Experience using Entity Framework or similar ORM technologies
- Strong understanding of API design, service architecture, and data modelling

Frontend Development
- Strong experience developing applications using React
- Experience with modern UI component libraries such as MUI, Mantine, or ShadCN
- Experience with state management tools including Redux, Zustand, or MobX
- Ability to create intuitive, scalable, and maintainable user interfaces

What you'll get in return

- Long-term contract opportunity with strong extension potential
- Work on complex, large-scale technology solutions
- Up-to-date technology stack and engineering practices
- Collaborative and high-performing team environment
- Opportunity to influence architecture and technical direction
- Hybrid working flexibility
- Competitive daily rate

What you need to do now
Share your updated CV at
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion on your career.

📌 Software Developer (Western Australia)
🏢 Hays
📍 Western Australia