Job Description
Overview
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Intrinzic are proud to partner exclusively with an exciting tech start-up in Sydney CBD. This is an opportunity to you join a product right as it's about to go live and then stay on to shape everything that comes after.
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The team is now nearing prototype completion, with plans to go live shortly and from there, it's straight into roadmap execution, scaling, and building out new features.
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What You'll Be Doing
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This is a Senior Full-Stack role where you'll come in at a critical moment - not just building, but shaping what happens next.
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Help take the product from prototype → live → scale
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Contribute to architecture decisions alongside the CTO and Lead Architect
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Work on real-time trading logic and performance-critical systems
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Develop interactive, high-quality UIs (animations, real-time updates)
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Improve and evolve the platform as real users come on board
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Mentor others and help set engineering standards
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What we are looking for
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Strong React experience (bonus for animations, Canvas/WebGL, complex UI)
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Solid backend experience (Node.js, APIs, databases)
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Experience building scalable systems and thinking about performance
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Comfortable working across the stack - no rigid silos
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Someone who thrives in quick-moving, evolving environments
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Bonus: experience in fintech, trading, or high-volume platforms
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Why this role stands out
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Join at the inflection point - just before launch
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Move straight into feature build-out and scaling
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Real ownership - influence architecture and product direction
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Backed by a proven investor in this space
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Sydney-based team
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Hybrid working - 3 days in office (many of the team choose to come in more, but it's not enforced)
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Full-time role paying $150k to $180k + Super
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If you're an Engineer who embraces taking ownership, accountability and initiative to solve technical problems and produce high-quality work, in a fast-paced environment, this could be for you!
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To submit your profile for consideration or for further information, please APPLY or email
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Please note: Candidates must be Australian Permanent Residents or Citizens to apply for this opportunity.
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📌 Senior Software Engineer (New South Wales)
🏢 Intrinzic
📍 New South Wales