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