We’re a passionate team of brilliant achievers, and together we’re using technology to take the small business finance industry next level. Our mission is to keep small businesses moving - with smart cash flow solutions right when they need them. Supporting them through ups and downs. Making their lives easier. Helping them Prosper.

The role

As a Senior backend Engineer, you’ll help build the technology that enables small businesses to move forward with confidence. You’ll work across the stack to design, build and scale intuitive, secure and reliable systems that make it easier for our customers to access the tools and funding they need to succeed.

You’ll be part of a modern, cloud‑native, microservices environment, partnering closely with Product, Design and Engineering to turn ideas into high‑quality customer experiences. You’ll take ownership of your work end‑to‑end, think customer‑first, and contribute to a team that values learning, experimentation and continuous improvement

What you will be doing

• Designing, building and shipping high‑quality product features across back‑end systems
• Owning technical problems from discovery through to production, with a focus on long‑term, scalable solutions
• Using AI‑assisted development tools (e.g. code generation, refactoring, test support) to accelerate delivery while maintaining strong engineering standards
• Collaborating with product managers and designers to deliver simple, fast and reliable customer experiences
• Ensuring systems are observable, well‑monitored, secure and resilient in production
• Keeping security, privacy and compliance front of mind throughout the SDLC
• Contributing to architecture discussions, code reviews and continuous improvement initiatives
• Sharing knowledge, experimenting with new tools and techniques, and helping lift the team around you

What you'll need to succeed

• Strong hands‑on experience with .NET
• Experience integrating back‑end applications with internal and third‑party APIs
• Solid understanding of modern software architecture patterns, including microservices and event‑driven systems 
• Solid understanding of message based systems, like using NServiceBus, MassTransit, ServiceBus, RabbitMQ and etc.
• Experience working in cloud‑based environments (Azure experience is a plus). Familiarity with CI/CD pipelines, automated testing and modern DevOps practices
• A passion for clean, secure, well‑tested code and building software that makes a real customer impact
• Curiosity and openness to using AI tools to improve how you build, test and maintain software
• Experience of observability practices like datadog, OpenTelemetary is a good to have.

Don’t let a confidence gap get in the way of submitting your application. We’d love to hear from you and see if this could be a great match.

What we offer

• Work with the latest technologies in the market
• Study allowance and paid learning days
• Join a team of passionate, diverse and talented Engineers
• Career development opportunities
• Flexibility (remote work on offer)
• Highly competitive incentive scheme
• Volunteer leave & paid parental leave
• Team and company wide social events
• A chance to be a part of one of Australia’s fastest scaling tech organisations

Check out our benefits and policies on Work180

Why Prospa?

We embrace diversity in our people and our thinking and provide a collaborative, inclusive, innovative and respectful environment. We celebrate who you are and actively provide our employees the same great experience we provide our customers.

It’s super exciting every day. Always moving. Always something new around the corner. And we’ve only just cracked the surface.

Open the door. Feel the buzz. Want in?

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