Senior Full Stack Engineer - .Net / React.js

Who is Shift? At Shift, we’re business specialists dedicated to helping Australian SMEs take control of their cashflow, streamline trade terms and choose the right financial products. We believe Australian businesses are the driving force behind our economy and are core to our communities. That’s why our business expertise, focus on relationships, and market-leading technology is at the core of everything we do. We’ve helped solve the credit and payment pain points for more than 30,000 businesses, providing over $6 billion in aggregate funding. Our unique approach to product innovation combined with our collaborative culture means you can build your career in a supportive environment. You’ll be joining a diverse team of over 300 people who are always looking to deliver better outcomes for Australian businesses. About the Role: We're growing our engineering team and looking for a Senior Full Stack Engineer who excels at both front-end and back-end development. In this role, you'll split your focus evenly creating intuitive user experiences and building robust back-end systems. You enjoy working across the stack, ensuring quality and performance in both the client and server sides. If you thrive on seeing projects through from concept to deployment and making an impact at every level, we’d love to connect. What you’ll do:

• Design, build, and maintain scalable front-end applications in JavaScript/TypeScript (React)
• Develop, enhance, and maintain backend services in C# (.NET)
• Collaborate with designers, product managers, and engineers to deliver cohesive user experiences
• Play a key role in architectural decisions, ensuring consistency and best practices across the full stack
• Drive code quality, testing, accessibility, and continuous improvement throughout the software lifecycle
• Write maintainable, testable code that performs reliably in production
• Support integration with both RESTful APIs and event-driven microservices What you’ll bring:
• 6+ years building production software with substantial experience in both front-end and back-end development (React and .NET)
• Advanced skills in JavaScript/TypeScript, React (or similar frameworks), and front-end architecture
• Strong, hands-on experience with backend services using C# and .NET
• Proficiency working with RESTful APIs and event-driven architectures
• Hands-on experience with Azure or similar cloud platforms
• Familiarity with DevOps tooling such as GitHub Actions, TeamCity, or Octopus
• Passion for intuitive, accessible, and reliable applications across the stack
• Excellent testing skills and a commitment to high-quality delivery
• Strong communication and collaboration abilities within cross-functional teams
• A curious mindset, energized by solving complex challenges in a dynamic environment Key benefits:
• Collaborative teams – a flat structure means everyone can learn from colleagues and senior leaders around the business.
• Be involved – come together with all of your colleagues every 100 days to share the product and technology roadmap and business strategy.
• Flexible working environment – we’re headquartered in North Sydney with state-based workplaces and offer a flexible work policy.
• Family support – industry leading 26 weeks paid parental leave.
• Purpose built spaces within our office – designed for collaboration, brainstorming, socialising, and focused work.
• Range of benefits supporting your physical, psychological and financial wellbeing. From a day off on your birthday to excellent end of trip facilities. #LI-Hybrid

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