Build the first experience customers have with a financial platform.

We’re recruiting a Senior Software Engineer for a financial services client’s customer acquisition team. You’ll work on the journey from someone’s first visit to becoming an active customer: the public website, onboarding, identity verification, sign-in and promotions.

This is a hands-on role with real ownership. You’ll build across the stack, help shape technical decisions and see how your work affects customer experience and growth.

What you’ll do
Build customer-facing features in React and TypeScript, alongside APIs and services in .NET.
Improve onboarding, SSO and the systems that determine what information each customer needs to provide.
Own features from design discussions through release and ongoing improvement.
Work closely with design, product, compliance and other engineers.
Keep performance, reliability, accessibility and maintainability front of mind.

What you’ll bring




Solid full-stack engineering experience, with solid .NET skills and confidence building frontend products in React and TypeScript.
Experience with relational databases, data-driven rules and headless CMS platforms.
An eye for edge cases and a habit of writing explicit, testable code.
Curiosity about how technical decisions affect conversion and the customer experience.
The confidence to take ownership while priorities evolve.

Experience with OAuth/OIDC or SAML, KYC integrations, multilingual websites, technical SEO or high-conversion digital products would be a bonus.

The details
Location: Sydney, NSW (on-site)
Seniority: Mid-Senior level
Employment type: Full time

If you like building polished customer experiences and enjoy solving the engineering challenges behind them, I’d love to hear from you.
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📌 Senior Software Engineer Full Stack Net & React Sydney On Site New South Wales
🏢 Big Wave Digital
📍 New South Wales