Top Software Engineer Jobs in Sydney

Lead technical direction and architecture for systems that process unstructured customer data at scale. Drive cross-functional projects to production, own reliability/performance/security of enterprise-grade systems, mentor engineers, raise engineering standards, and architect AI-native product features while balancing latency, cost, and reliability tradeoffs.

Define technical direction and deliver high-quality features for highly distributed, scalable Azure Storage services. Design, develop, test, and support secure, reliable systems; lead across projects; apply AIOps for observability, incident detection, and root-cause analysis.

The Full Stack Software Engineer will develop, integrate, and deploy AI technologies, focusing on building scalable web applications and ensuring a great user experience.

Develop and deliver core EOS networking features in C/C++ and Python. Write specs, design documents, and automated tests. Collaborate with product, customers, and support to triage and resolve network issues. Provide technical leadership and mentor junior engineers from design through deployment.

Build and maintain platform products, internal tools, and shared services across the stack. Develop frontends, backend services, APIs, CI/CD pipelines, observability, testing, and integrations. Collaborate on secure, scalable designs, support incidents, contribute documentation, and improve developer experience and platform consistency.

Build and maintain customer-facing and internal web applications (Megaport Portal) using a modern frontend stack. Implement features with Vue 3/TypeScript, ensure accessibility and responsive design, integrate web services, improve architectures and processes, and write unit/integration/end-to-end tests using Playwright and Vitest.

Lead full-stack development of the Artificial Analysis website using a TypeScript/Next.js stack. Build UI and interactive data visualizations, work with PostgreSQL on Supabase, improve DevOps/CI-CD, mentor a small engineering team, and apply LLMs and AI tools to accelerate development.

Lead design and delivery of scalable, reliable backend services for Azure infrastructure. Own distributed-system design, implementation, testing, and operations. Drive incident response, on-call rotations, observability, automation, code reviews, and mentor engineers to improve reliability and operational excellence.

Build and maintain full-stack features for customer and internal web apps, design backend APIs for onboarding and transactions, integrate third-party services, implement OAuth2 authentication, operate in a microservices AWS environment, ensure security, performance, observability, participate in code reviews and architecture, and write technical documentation.

Lead architecture and end-to-end delivery of an enterprise LLM platform: design scalable systems, build responsive interfaces, mentor engineers, and own product outcomes from discovery to monitoring.

Build end-to-end features across Next.js frontends, API routes, Go services and Supabase edge functions. Work with the Engineering Lead to deliver the technical roadmap, write tests and docs, review PRs, support scaling and IaC (SST/Pulumi) on AWS/Vercel, and be a dependable on-call senior engineer helping the team ship product-focused increments.

Lead design and build of low-latency, massively scalable backend and data-intensive systems for bot and fraud detection. Architect greenfield solutions, implement features across the stack (backend-focused), collaborate with research and product teams, mentor engineers, and drive cross-team architecture discussions.

First dedicated site reliability engineer responsible for owning reliability, observability, incident response, and platform decisions. Projects include improving uptime and RTO, hardening GPU clusters, implementing metrics/tracing/alerting and SLOs, and optimizing AWS infrastructure and cloud spend while enabling CI/CD and deployment pipelines.

Lead the design and evolution of high-performance feed definitions across a multi-cloud environment. Unify data ingestion and egress paths, maximize code reuse, minimize latency, and handle rapidly increasing data volumes. Drive self-service provisioning and platform flexibility while collaborating across global teams and fostering an inclusive engineering culture.

Build and enhance Kasada’s virtual machine and compiler chain to strengthen anti-bot defenses. Responsibilities include optimizing compiler stages, translating security research into practical solutions, researching new obfuscation techniques, and contributing to architecture discussions. The role requires deep compiler and AST knowledge, TypeScript or JavaScript experience, strong debugging and communication skills, and collaboration across product and engineering teams.

As a Software Engineer - L3 Support, you will resolve complex Ubuntu-related issues, collaborate with teams, and participate in upstream communities to drive bug fixes and improvements.

As a Software Engineer, you will resolve complex customer issues related to Ubuntu and open source software, participate in upstream communities, and develop and review code across multiple layers of the software stack.

Build and scale Ripple Treasury’s cloud-native liquidity management platform using Azure, .NET, C#, and SQL Server. Design resilient applications, implement comprehensive testing and observability, support CI/CD, participate in on-call rotations, and contribute to technical designs, code reviews, mentoring, and continuous process improvement.

Lead design and development of native Windows desktop applications, focusing on performance, accessibility, and user experience while collaborating with cross-functional teams.

The Senior Software Engineer will collaborate with product teams to enhance user experience through efficient API design and optimizations while shipping cloud functions and backend services using Kotlin.

Build and ship native Android features using Kotlin and modern Android architecture. Collaborate with product and design to create clean financial user journeys, integrate backend APIs, improve performance and reliability, use analytics and debugging to reduce crashes, and implement AI-assisted on-device experiences with TensorFlow Lite where beneficial.

Design, implement, test, and deploy Java-based product applications. Collaborate with business analysts and customers to clarify requirements, write unit tests and deployment scripts, perform release testing, document solutions, assist with client issues, and mentor teammates while using modern containerized development toolchains.

Develop, integrate, test and document software for a secure communications solution. Work across system layers on performance, reliability and new features. Collaborate with systems, test and support teams, participate in design/code reviews, troubleshoot complex technical issues, and mentor junior engineers.

Own and evolve core API/platform infrastructure: design and build service communication, lead migrations, increase language/framework support, ensure reliability and performance, and mentor engineers.

As a Founding Engineer, you'll own core product and infrastructure decisions, building scalable software and transformative AI solutions for millions of users.