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Senior Full-Stack .NET and React Engineer

Big Wave Digital — Australia · Posted ~3 hours ago

Senior Onsite

Skills

full-stack development React TypeScript .NET API development customer-facing applications software architecture

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Summary ✨ AI‑Generated

A senior full-stack engineer is sought for an on-site role within a financial services environment. You will build customer-facing journeys using React and TypeScript alongside .NET APIs and services, owning features from design through release. The position emphasizes technical ownership, performance, reliability, accessibility, and close collaboration across product and compliance functions.

Highlights

Own customer-facing features across the full stack in a hands-on senior engineering role. Work with React, TypeScript, and .NET while influencing technical decisions and collaborating with design, product, compliance, and engineering teams. The role provides direct visibility into customer experience, performance, reliability, and growth.

Description

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 Strong 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 clear, 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 levelEmployment 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. Apply now or reach out for a confidential chat.