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Senior Software Engineer – Full Stack

Bigwave Digital

Australia, New South Wales, Australia Full time July 09, 2026

Found Description

C#/.NET + React | $160k–$180k Base + Super + Bonus | Sydney CBD Onsite

A fast-moving fintech scale-up is hiring a Senior Software Engineer to help own the customer-facing systems that bring users in, get them verified, and get them live.

This is the front door to the product: the public website, sign-up, onboarding, identity, activation, and the digital experiences that shape every customer’s first impression of the business.

If you enjoy building across the full stack, care about performance and customer experience, and understand the importance of secure, reliable software in a financial services environment, this could be a very strong move.

About the role

As a Senior Software Engineer, you will work across backend and frontend engineering, helping deliver secure, scalable, and high-performing digital product experiences.

You will not be tucked away in a narrow backend-only role. This position sits close to pro...

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