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The Onset

Software Engineer (Fullstack JavaScript)

The Onset
Australia · Full-time · Not Applicable

If you're the kind of engineer who wants more than ticket-chasing and minor bug fixes, this team will feel like home.

You’ll join a $100m+ product company used by millions of entrepreneurs and small businesses worldwide. What you build ships fast, scales globally, and shapes real user experiences.

This is a place where curiosity beats hierarchy. You won’t be boxed into “just frontend” or “just backend.” You’ll be trusted to explore, experiment and contribute across the stack - with strong support around you to accelerate your growth.

 

Why join?

  • AI-forward engineering culture: Engineers actively experiment with smarter tooling to move faster and build better - it’s part of how the team evolves.

  • Real growth runway: Join a senior-heavy team with the capacity to mentor and help you level up properly.

  • Product ownership without red tape: Startup-paced, collaborative and idea-driven. No silos!

  • Real flexibility: Hybrid model - the team comes into the Surry Hills office roughly once a week, giving you plenty of flexibility while still staying connected.

What you’ll be doing

  • Building and evolving features within a global design platform

  • Working primarily in Node.js and TypeScript on the backend

  • Contributing across the frontend where needed

  • Building and maintaining scalable microservices

  • Improving performance, reliability and development workflows

  • Collaborating closely with product and design in an agile team

 About you

  • Solid commercial experience as a fullstack or backend-leaning JS engineer

  • Strong Node.js and TypeScript fundamentals

  • Working knowledge of performance tuning server-side JS applications

  • Experience with CI/CD pipelines and cloud platforms such as AWS or Azure

  • You actively use AI in your current workflow (Claude, GitHub Copilot, Cursor etc.) and are comfortable reviewing and refining AI-generated code rather than simply accepting it

  • Curious, proactive and eager to learn

Bonus if you've worked on product-led SaaS applications and have contributed to AI-powered features.

 

If you’re an engineer who wants to be part of a team that’s truly leaning into AI - not resisting it - apply now!

Key Skills

Ranked by relevance

ai typescript server cloud saas cicd aws
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Posted
Jul 02, 2026
Type
Full-time
Level
Not Applicable
Location
Sydney
Company
The Onset

Industries

Software Development

Categories

Information Technology

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