This is a Senior Engineer role with The Onset based in Sydney, NSW, AU The Onset Role Seniority - senior More about the Senior Engineer role at The Onset Job Description Senior Backend Engineer - Cloud, Kubernetes & High-Performance Systems Hybrid: 3 Days in North Sydney Office | 2 Days WFH We’re partnering with a well-funded Australian deep-tech startup that’s reinventing how modern systems optimise performance at scale. Backed by leading global VCs, this team is building cutting-edge cloud and AI-driven technology to help engineering organisations run faster, smarter, and more efficiently. The founding team includes engineers and technologists from some of the world’s strongest technical environments (Google, ROKT, cybersecurity, cloud architecture). If you want to build things that truly move the needle - and you thrive in environments with high autonomy and high technical challenge - this is one of the most exciting opportunities in Sydney right now. Why This Role Stands Out Join as part of the founding engineering team Massive ownership: architect, build, shape standards from day one Work with top-tier mentors, advisors and ex-FAANG/scale-up engineers Build in a space combining cloud, containers, performance engineering and AI Generous salary meaningful ESOP Startup pace, zero bureaucracy, high engineering bar What You’ll Work On Lead and deliver large-scale backend projects from concept to architecture to deployment Design the foundation of a highly scalable, distributed, cloud-first platform Solve deep technical challenges across performance, resilience, fault tolerance and orchestration Establish engineering & architectural standards for future hires Own critical components across compute, storage, networking and runtime systems Mentor early engineers and influence the long-term technical culture Work closely with founders on product strategy, technical direction, and feature prioritisation What They’re Looking For 5 years backend engineering experience in high-performance or deep-tech environments Strong in Python, Go or Java (tech-agnostic mindset welcome) Advanced problem solving - able to break down complex distributed systems challenges Deep cloud experience (AWS preferred; Azure/GCP also valued) Strong knowledge of Kubernetes, containers, orchestration and cloud-native patterns Skilled in performance tuning and building high-throughput, low-latency systems Understanding of modern architecture: scalability, resilience, security, fault tolerance Experience in cybersecurity or cloud infrastructure is beneficial, not essential A builder’s mindset - someone who wants to create, not maintain Environment & Culture Low-ego, high-output team Engineers who think strategically, take ownership, and care about craft A product solving genuinely painful problems for cloud teams Strong emphasis on autonomy, trust, and engineering excellence If you’re excited by complex engineering challenges, cloud-native architecture, and the chance to have founding-level impact, this is the place to do the best work of your career. Before we jump into the responsibilities of the role. No matter what you come in knowing, you’ll be learning new things all the time and the The Onset team will be there to support your growth. Please consider applying even if you don't meet 100% of what’s outlined Key Responsibilities Leading backend projects Designing scalable platforms Mentoring engineers Key Strengths Backend engineering experience ️ Programming languages ☁️ Cloud experience ⚡ Performance tuning Cybersecurity knowledge ️ Architectural understanding A Final Note: This is a role with The Onset not with Hatch.
