Not Your Typical Engineering Role

This isn’t about shipping features for the sake of it. This is about shaping how AI powers a platform used by over a million people globally systems that are operationally serious, ethically guided, and scaling fast.

You’ll work alongside a team of ~40 world-class engineers, recently strengthened by senior talent from top-performing product and scale-up environments. The technical bar has never been higher, and the culture is defined by:

• Technical excellence

• Clear system design thinking

• High ownership and accountability

• Fast iteration and calibration

• Customer-first decision making

You’ll report to a senior engineering leader who also oversees AI and platform strategy. Expect real architectural discussions, not surface-level decisions.

The company is now AI-first, investing heavily in responsible, human-guided AI to tackle real-world, non-clinical health and safety challenges. And this is just the beginning, the AI layer is becoming core to the platform experience.

The Problem You’ll Own

The platform is at a pivotal point:

• Two fully scaled systems, front-end and back-end, need to evolve together without slowing down.

• AI-driven services, from predictive triage to intelligent automation are now central to how the platform delivers impact.

• Every architectural choice you make today will shape how millions of people get help tomorrow.

The Work You’ll Lead

• Build and scale features across front-end and back-end, integrating AI thoughtfully.

• Prototype, experiment, and ship AI/ML capabilities that genuinely improve outcomes.

• Influence system design and architecture for reliability, performance, and scale.

• Mentor peers and elevate engineering standards across the team.

• Extra credibility: showcasing outside projects, open-source contributions, or personal AI work is highly regarded.

The Profile That Excels

• 4+ years full-stack experience (React/Angular/Vue + Node.js/Python/Java)

• Hands-on AI/ML experience (TensorFlow, PyTorch, OpenAI, Hugging Face, LangChain)

• Cloud-native expertise (AWS/GCP/Azure) and modern CI/CD practices

• Comfortable designing scalable APIs (REST/GraphQL) and distributed systems

• Thrives in high-bar, high-accountability environments

Why This Role Stands Out

• You see the real impact of your work on people’s lives.

• You’ll get architectural ownership over a platform at global scale.

• You’ll collaborate with engineers from top product-led companies.

• Flexible hybrid work, ESOP, wellbeing support, and study leave.

This role isn’t about tickets. It’s for engineers who want to own the technical direction of AI in a high-impact platform. If that’s you, let’s talk, the next three to five years of your career could be defined here.

Dani - danielle@theonset.com.au

Imagine a platform that over one million people rely on every day. Not to scroll, shop, or kill time, but for real-time health and safety support when it matters most.

This is the reality at this company: Engineers here aren’t just shipping features, they’re building systems that can make a difference in someone’s critical moment. The bar is high. The culture is rigorous. System design matters. Code reviews are real. Trade-offs are debated openly. And velocity? Fast, but never at the expense of quality.

Mobile has reached a decision point.
The apps have scaled quickly - two fully native codebases, Swift and Kotlin, powering millions of members. But duplication, complexity, and context switching are slowing velocity. The business knows it’s time to consolidate and future-proof mobile for the next 3-5 years. They need someone to lead that decision.

Your Opportunity
You’ll own the cross-platform conversation: Kotlin Multiplatform? React Native? Double down native? Your credibility and vision will define what mobile looks like at scale for the next several years.

The Engineering Room

• 40 engineers, recently raised the bar with senior hires from top product environments.

• You’ll work directly with a senior leader overseeing AI strategy - practical, human-in-the-loop AI supporting real people in critical moments.

• This is a culture where operational context drives engineering decisions. You’ll see the impact of what you build, not just metrics on a dashboard.

Why This Role Matters

• Influence mobile strategy at scale

• Shape cross-platform direction

• Build in a real-time, AWS-heavy, AI-adjacent environment

• Be measured on the quality of your thinking, not just your output

What You’ll Need

• Deep mobile expertise (Android and/or iOS)

• Proven system design and architectural influence

• Exposure to cross-platform strategy (KMP / React Native)

• Product-minded, accountable, and opinionated in the right way

If you’re ready to lead a mobile architecture that touches real people’s lives, apply here or send your resume directly to danielle@thonset.com.au.

Principal Engineer  

Lead the technology that moves a nation.

Sydney | Hybrid - 2 days Office 

Every day, millions of Australians rely on this business to keep life moving.
Behind every on-time order, every seamless delivery, and every moment of connection - there’s technology designed by brilliant people like you.

We’re looking for a Principal Engineer who can elevate ideas into scalable architecture, guide teams with empathy and precision, and make complex systems feel effortless for customers.

What You’ll Be Doing

You’ll be the bridge between strategy and execution, setting the architectural direction for the Order Delivery domain, partnering with engineering squads, and ensuring the health and stability of the digital ecosystem that underpins customer trust.

Expect influence at scale, autonomy to innovate, and the chance to leave a visible legacy on one of Australia’s largest digital transformations.

Your Impact

• Inspire and lead cross-domain engineering teams through architectural clarity.

• Define and communicate the target-state vision and the roadmap to get there.

• Collaborate with product and engineering leaders to embed modern, agile delivery practices.

• Model architectures that deliver measurable business and customer value.

• Drive innovation while maintaining operational excellence.

You’ll Bring

• Deep engineering experience, likely as a Principal Engineer, Technical Architect, or Tech Lead within complex, cloud-native environments.

• Strong foundation in .NET, Azure/AWS/GCP, ,Microservices, and Kubernetes.

• Proven track record in scaling distributed systems and optimising performance.

• Natural leadership - you build confidence through collaboration, clarity, and care.

• A mindset that balances technical purity with commercial impact.

What You’ll Experience

• A flexible hybrid model that prioritises wellbeing and balance.

• A collaborative culture built on trust, curiosity, and growth.

• Discounts across a number of Iconic brands connected to the business.

• Career pathways across a global organisation with the resources to back big ideas.

If you’re ready to design the systems that power Australia’s everyday, we’d love to hear from you.

Apply here or directly reach out to Dani - danielle@theonset.com.au

If you enjoy being in a highly specific, locked down IR role where your tasks are narrowly defined, this probably isn’t the right role for you.

You don’t need to be super senior, but if you’re independent, don’t rely heavily on third-party services, take ownership, and don’t always fall back on escalation points, this could be a great fit.

You’ll work within an internal Defence team, giving you the freedom to lead investigations end-to-end. You’ll be part of a single, unified team that covers both engineering and the full incident response lifecycle — from detection and proactive threat hunting to forensics, root cause analysis, remediation, and continuous improvement of playbooks and processes.

You’ll gain hands-on experience with a wide range of incidents not always seen in corporate settings: ransomware, keyloggers, and APT activity, all in an environment where the team manages the controls directly. You’ll have the opportunity to drive meaningful changes and update processes, and playbooks without the usual bureaucracy.

Proactive hunting and offensive thinking are highly valued, leveraging threat intelligence to identify patterns, anticipate threats, and improve defence mechanisms.

If your IR skills are solid but need some rounding out, that's ok, but strong forensic capabilities and the ability to analyse OS artefacts and evidence are essential for this role.

Russell@theonset.com.au / 0438984265

Sshh! Can You Keep a SECRET?

Specialist Helpdesk / Technician | Windows 10/11
📍 Williamtown, NSW
📅 12 Month Contract (Potential to Extend)
🔒 NV1 Clearance Required

Ready to put your tech skills to work... under wraps?

Join a globally respected private organisation supporting an Australian Government operation. This is your chance to work behind the scenes—literally—with a team that operates at SECRET and TOP SECRET clearance levels.

Why this role?

• Long-term career potential: Start on contract, with future opportunities for permanency.
• Security-cleared? You’re already in rare company—this role opens doors to future opportunities.
• Work on impactful projects with real-world importance.

What you’ll be doing

• Provide IT support and troubleshoot moderately complex delivery systems or network issues.
• Escalate and coordinate with vendors on hardware or networking problems.
• Assist with configuration management of basic computing delivery systems.
• Ensure documentation is kept up to date and aligned with policies and procedures.
• Respond to service desk tasks and support tickets in a timely, professional manner.
• Ensure IT operations meet industry standards and compliance requirements.

What we’re looking for

✔ 3+ years' experience in PC support, specifically Windows 10/11 environments
✔ Strong understanding of networked PCs and peripherals
✔ Excellent communication and troubleshooting skills
✔ Certificate-level IT qualifications (and ideally 4+ years' relevant experience)
✔ Ability to work independently, take initiative, and follow through
✔ NV1 clearance (Australian Citizens only)
✔ Willingness to travel to remote sites as needed, and occasionally work out-of-hours/on-call
✔ Valid driver’s license

Bonus points if you

• Have experience in secure environments
• Thrive in fast-paced, high-trust teams
• Love tech but also like keeping things hush-hush

🎯 Interested? Apply online or reach out to Steven at steven@theonset.com.au.

Top-secret tech support isn’t for everyone. But if you’ve got the clearance, we’ve got the opportunity.

#LI-AL1

Senior Front End Developer (Angular)

Hybrid (1-2 days on-site) | Melbourne-based 

Senior Front End Engineer (Growth)

Preventative health | Vue.js, Node,js, AWS
Sydney or Melbourne | $140K - $160K + super + ESOP | Hybrid (2 days in-office)

Do you want to work on a critical platform powering how millions of users access financial services without the red tape or legacy slowdown? 

This is a chance to own real outcomes in a strategic transformation program migrating to a graph-based, cloud-native architecture.

Multiple 12 month Contract roles with extensions likely

• Up to $1,080 per day
• Hybrid flexibility: 3 in-office days Sydney CBD, rest WFH 

You’ll join a senior engineering team in mid-flight on a multi-epic roadmap, building secure, scalable APIs and entitlement services from the ground up. Think modern Java, event-driven architecture, and real-world customer impact.

Why You’ll Love It

• Solve complex problems: Build self-service entitlements and strategic authority frameworks not yet done in AU banking

• Modern tech stack: Java 21 (latest versions), microservices, GCP (or AWS/Azure), Cassandra, Solace/SQS/SNS

• Collaborate with peers: Senior engineers only, no spoon-feeding, high trust, strong code culture

• Work with purpose: Every sprint unlocks better, safer, more transparent access for real users

You’ll Be a Great Fit If You Have

• Minimum 8-15+ years of backend Java experience 

• Strength in designing distributed systems, APIs, and cloud-native services

• Experience in messaging/event-driven patterns (Solace/SNS/SQS)

• Exposure to graph databases or Gremlin

• A builder’s mindset: pragmatic, communicative, and always thinking beyond the ticket

The Interview Process: quick 2x rounds of interviews. 

• Stage 1: Human-first chat, alignment, values, and technical fit

• Stage 2: 1-hour Java coding challenge (live)

• Quick decisions, strong feedback loops, and long-term extension potential 

Ready to level up your contract career with impactful work and modern architecture? Let’s talk. Girlie@theonset.com.au

Could you be the next Engineering Manager to join a leading Global Healthcare Organisation powering millions of critical decisions across pathology, radiology, and clinical services every year?

After decades of growth, they’re now on a major digital transformation journey: modernising technology, elevating customer experiences, and building digital products that genuinely improve healthcare.

One of the most important and loved products in our ecosystem is a referring-doctor portal used daily to access patient pathology results across Australia.

We’re looking for a hands-on, people-first Engineering Manager to take this product into its next era.

Why this role matters

The portal is stable, highly valued by customers, and has huge opportunities ahead. We’re moving from “feature delivery” to true digital product thinking - focused on performance, customer insights, differentiation, and modern engineering practices.

This role exists to:

• Build and mentor a tight-knit team of capable engineers

• Bring clarity to an under-documented, complex tech ecosystem

• Shape the future technical direction of the portal

• Partner closely with a Product Manager to define strategy & roadmap

• Make high-impact decisions like whether to bring mobile development in-house or how to optimise performance for doctors in high-pressure workflows

This is a role with real autonomy, ownership, and purpose.

What you’ll be doing

Leadership & People

• Lead and grow a team of six engineers (web, integrations, full-stack)

• Provide technical coaching, guidance, and career development

• Create a culture of clarity, strong communication, and continuous improvement

Technical Direction & Delivery

• Set the technical strategy and architecture for the portal

• Be hands-on when needed - solution design, code reviews, technical problem-solving

• Identify performance, reliability, and cost-efficiency improvements

• Influence mobile development strategy

Product & Strategy

• Partner with Product and CX teams to deeply understand customer needs

• Help define the roadmap based on real insights

• Build a comprehensive picture of the current state (data, gaps, tech landscape)

• Drive a shift towards experience-led, customer-centric product thinking

Tech environment

Our stack includes:

• .NET (core), Angular, API integrations

• A long-standing custom Information Management System

• A native mobile app 

• Established DevOps, CI/CD, and internal architecture support

We don’t need a specialist in one area - we need a smart, pragmatic engineering generalist who knows enough across web, backend, integrations, and mobile to make great decisions.

Who you are

You’ll thrive here if you are:

• A hands-on Engineering Manager who still loves solving technical problems

• Strong in solution architecture and able to translate engineering into business outcomes

• Someone who enjoys untangling complex systems with little documentation

• Curious, collaborative, warm - communicates early, often, and clearly

• Motivated by purpose

• Comfortable in environments with legacy tech, complexity, and lots of opportunity

You’re probably not from a hyper-scaled enterprise or a move-fast-break-things startup. You’re likely from that sweet spot in the middle - where you’ve owned products end-to-end, paced delivery well, and rolled up your sleeves alongside the team.

Why join

• Purpose-led work in health-tech

• A genuinely collaborative, values-led team

• Leadership committed to modern engineering practices

• Opportunity to shape the future of digital in a global healthcare organisation

• Hybrid work, stability, and strong long-term career pathways

If you’re an Engineering Manager who enjoys leading with purpose, solving real problems, and guiding a product with massive impact across Australia’s healthcare system - I’d love to chat > Dani - Danielle@theonset.com.au

Join a Deep-Tech Adventure as a Tech Lead – Cloud, Kubernetes & High-Performance Systems
Hybrid: 3 Days in North Sydney | 2 Days WFH

Imagine joining a well-funded Australian deep-tech startup at the very moment it’s redefining how engineering teams build and scale cloud platforms. Backed by top-tier global VCs, and founded by leaders from Google, ROKT, and large-scale cloud systems, this is your chance to help shape a category-defining product from the ground up.

As a founding engineering hire, you won’t just write code- you’ll architect the platform, influence technical strategy, and work side by side with ex-FAANG engineers building distributed, high-performance systems. You’ll take ownership of large-scale backend systems, design the core distributed cloud platform, and tackle deep challenges in performance, scalability, resilience, and orchestration. You’ll mentor early engineers, set engineering standards, and collaborate closely with the founders on architecture and product direction.

What You Bring

• Extensive backend engineering experience with complex cloud or distributed systems

• Strong skills in Python, Go, or Java

• Deep cloud expertise (AWS ideal; Azure/GCP also valued)

• Experience with Kubernetes, containers, and cloud-native architecture

• Proven ability building high-throughput, low-latency, or performance-critical systems

• Excellent problem-solving skills and a builder’s mindset

• Bonus: background in cloud infrastructure or cybersecurity

The culture here is low-ego, high-ownership, and built on trust-no bureaucracy, just engineers solving real problems at pace. If you want to tackle complex engineering challenges, shape a platform that could define its category, and make a massive impact, this is the place to do the best work of your career.

Reach out to reema@theonset.com.au to explore this opportunity.