Job Description
About the role
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We're looking for a Staff Frontend Engineer to join a large-scale digital product environment and take ownership of complex frontend and architecture challenges. This is a hands-on technical leadership role for someone who wants broad influence without moving away from engineering. You'll work across high-traffic customer-facing products, helping shape technical direction, improve performance and scalability, and guide other engineers through complex design decisions.
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Key responsibilities
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Designing and evolving frontend architecture across large-scale web applications
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Remaining hands-on with React, TypeScript and modern JavaScript
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Leading system design and technical decision-making
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Improving performance, reliability, scalability and maintainability
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Reviewing code and helping lift engineering standards
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Working across frontend, backend and platform teams
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Mentoring engineers and supporting complex technical problem solving
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Partnering with product,



design and architecture on solution direction
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Identifying technical risks, bottlenecks and opportunities for improvement
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Helping teams make pragmatic decisions around architecture and delivery
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About you
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Strong experience with React, TypeScript and up-to-date frontend engineering
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Experience operating at Staff, Principal, Lead or senior technical leadership level
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Strong frontend architecture and system design capability
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Experience working across high-traffic or complex customer-facing platforms
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Strong understanding of frontend performance and scalability
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Experience working with APIs, distributed systems and backend services
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Strong knowledge of testing, CI/CD, observability and production support
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Ability to clearly explain technical trade-offs and alternative approaches
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Experience mentoring engineers and influencing technical direction
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📌 Staff Frontend Engineer (New South Wales)
🏢 The Onset
📍 New South Wales