Top Software Engineer Jobs in Sydney

Design, develop, and deliver next-generation industrial automation software using AI and real-time systems. Collaborate with architecture, UX, R&D, and customers across the product lifecycle, perform code reviews, testing, performance optimization, and support global integrations to improve process control and automation outcomes.

Develop and enhance high-performance applications and scalable cloud solutions using Java, Python or C++. Work with distributed systems, streaming platforms (Kafka, Spark, Hadoop), databases, RESTful APIs, microservices, CI/CD tools, and frontend frameworks (React/Angular/Redux). Collaborate across global teams, ensure security/compliance, and manage multiple projects in a fast-paced environment.

Build and improve core trading platforms and research infrastructure, collaborate with quantitative researchers and technologists, enhance scalability and performance of production systems, and increase team productivity as business expands into new markets.

Work on the Growth team to rapidly design, build and iterate front-end experiments that validate activation ideas. Implement MVP tests, instrument analytics, choose the shortest technical paths, prioritize experiments, and ship quickly within an autonomous pod.

Join Freelancer as a Full-Stack Software Engineer to tackle diverse engineering challenges across a global platform while building your skills in a meritocratic environment.

Join Escrow.com as a Senior Full Stack Software Engineer, tackling complex web applications and scalable features with diverse tech using Python, React.js, and AWS.

The Software Engineer will design and implement cloud-native applications, build APIs, work with databases, and collaborate with teams for innovative development.

As an Associate Software Engineer, you will build cloud-native applications, collaborate with engineers, participate in design and documentation, and enhance existing products.

Develop, enhance and maintain a white‑labelled SaaS platform. Participate in Agile ceremonies, code reviews, & standups. Design, implement, test new features, support existing applications, ensure secure, maintainable code, and deliver on schedule.

Design, develop and maintain backend APIs for various services, optimize performance, and collaborate with teams for product strategy alignment.

Lead backend architecture and deliver core investment workflows for the Business Accounts platform. Build and maintain financial infrastructure (reconciliation, ledgers, unit registries), ensure high reliability and observability, integrate with external investment providers, write testable code, and collaborate with Product, Infrastructure, and Design.

Build and ship high-quality micro-frontend web applications using React and TypeScript. Implement Backend-for-Frontend patterns with Apollo GraphQL and Node.js, create shared design system components, publish NPM packages, deploy on GCP/Aliyun K8s with Cloudflare and GitLab CI/CD, and ensure test coverage using React Testing Library and Cypress. Collaborate with design and frontend guild to reduce technical debt and research new frontend technologies.

Lead architecture and deliver backend systems for Business Accounts, building investment workflows, reconciliation controls, unit registries, and ledgers. Ensure reliable integrations with external investment providers, promote observability and API design best practices, and collaborate with Product, Infrastructure, and Design to ship production-grade financial infrastructure.

Design, implement, and operate high-performance, multi-tenant cloud-native storage services. Develop production-ready Rust applications, diagnose performance regressions, lead cross-team initiatives, contribute to storage feature design, and support operational excellence including on-call duties.

As a Graduate Software Engineer, you'll develop and enhance the swipejobs platform, troubleshoot issues, and collaborate with the engineering team.

Design and develop scalable software solutions, collaborate with team members, and ensure highest quality standards through best practices in software development.

Build and maintain CMS platform tooling, design and implement frontend features using modern web technologies, collaborate with product, design and engineering stakeholders, drive cross-team initiatives, mentor peers, and improve processes for localisation, experimentation, accessibility and performance.

Build and maintain full-stack features across a .NET/C# backend and React frontend. Design and consume RESTful APIs, write efficient SQL, implement automated tests, participate in code reviews, debug full-stack issues, and collaborate with product and design to deliver maintainable, production-ready software.

Software Engineers at Citadel develop, maintain, and support high-performance trading platforms, focusing on custom software solutions and system stability.

Provide production support for GBST clients: triage and resolve issues, lead version upgrades and UAT, perform defect analysis and create development tickets, support out-of-hours as needed, and liaise with development and stakeholder teams to maintain stable, secure trading applications.

Build and ship frontend features across Vue, Angular, and React surfaces; design and implement TypeScript code; own features end-to-end; collaborate with product, design, and backend on a serverless AWS stack; mentor engineers and evolve frontend architecture.

Build native Android features for BJAK's AI Neobank using Kotlin and modern Android tools. Integrate backend APIs, improve performance and reliability, collaborate with product/design, use analytics to refine UX, and implement on-device AI experiences where valuable.

Design, build and maintain high-quality software solutions; write tested code; translate requirements into user stories; contribute to roadmaps; improve CI/CD and automation; provide technical leadership and stakeholder collaboration.

Lead design and delivery of scalable, cloud-native platform capabilities and ML-integrated applications. Oversee full SDLC, architecture, reliability, CI/CD, observability, and incident response. Provide technical leadership, mentor engineers, collaborate with stakeholders, and drive continuous improvement to support high-availability distributed fulfillment systems.

As a Software Engineer at Canonical, you will design, build, and ship software, improve packaging and distribution processes, and mentor colleagues while contributing to open source projects.