.NET, AWS ECS, Kafka, React | Build cloud-native systems

Your new company

Join a leading Australian financial services organisation that is investing heavily in up-to-date digital platforms and customer experiences.

Your new role

As a Software Engineer, you'll join an agile squad responsible for enhancing and supporting digital lending platforms used by business customers. Operating across the full stack, you'll help design, build and maintain secure, scalable applications, with a particular focus on backend engineering and cloud-native services.

Key responsibilities include
Designing and building secure .NET services and APIs
Developing cloud-native solutions on AWS, particularly ECS
Working with event-driven architectures using Kafka and SQS
Supporting and enhancing React and/or Next.js applications
Writing secure, production-quality code and addressing vulnerabilities
Contributing to platform improvements, reliability and customer experience initiatives
Collaborating closely with engineers, product stakeholders and delivery teams
Exploring AI-enabled development tooling to improve engineering efficiency

What you'll need to succeed
3+ years' commercial Software Engineering experience
Strong hands-on development experience with .NET




Experience building and supporting applications on AWS, particularly ECS
Exposure to Kafka, SQS and event-driven systems
Robust API development and integration experience
Knowledge of secure coding practices and vulnerability remediation
Frontend development experience with React and/or Next.js
Ability to work across both backend and frontend components
Solid communication and collaboration skills
A proactive approach and willingness to learn

Nice to have:
Experience with Playwright or automated testing frameworks
Exposure to AI-assisted development tools
Prior experience within banking, lending or broader financial services environments

What you'll get in return
Work on large-scale, customer-facing digital platforms
Modern cloud-native technology stack across AWS, .NET and microservices
Exposure to event-driven architecture and distributed systems

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 Engineer Net / Aws / React Sydney
🏢 Hays
📍 Sydney