Top Software Engineer Jobs in Sydney

Build end-to-end full stack trading applications for options: modern React frontends, distributed backend services (C++/Python), real-time data pipelines, trading and risk visualization, and tooling used directly by traders and researchers.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

Design and build reliable backend systems for the Yield investment product. Own end-to-end delivery of investment workflows, maintain financial infrastructure (reconciliation, ledgers), integrate with external providers, ensure observability and API quality, and collaborate with Product, Infrastructure, and Design.

Build and maintain shared Go libraries and platform capabilities for data access, messaging, service communication, observability, and resilience. Design adoptable APIs, multi-cloud abstractions, and resilience primitives. Own security posture, operate libraries (on-call), consult engineering teams, participate in architectural governance, and collaborate with Data Services, Infrastructure, SRE, and Observability teams.

Build full-stack, low-latency trading and pricing tools for options traders. Collaborate with traders, researchers, and business stakeholders to design intuitive frontends and scalable backend services, prototype and productionize distributed systems, and expand trading capabilities globally while improving performance, stability, and usability.

Build systems, tooling, and deployment workflows to package, validate, and deliver Voyage embedding models across cloud providers and third-party environments. Improve model server performance, ensure deployment correctness and observability, debug cross-stack issues, and collaborate with model-serving teams and external partners for reliable production deployments.

As a Software Engineer Intern, you'll create tools for trading strategies, develop research platforms, and collaborate in small teams.

As an FDSE Intern, you'll collaborate with teams to address complex data challenges, develop software solutions, and engage directly with customers to drive impactful results.

Design, develop, test, and deploy full-stack web applications and APIs to support investment management, portfolio operations, reporting, and business workflows. Build backend services, optimise SQL and database performance, integrate systems via APIs, contribute to cloud modernization, participate in architecture and code reviews, and improve application performance, security, and maintainability while collaborating with product and investment teams.

Looking for a Software Engineer to build scalable backend and APIs, collaborate on modernisation tools, and contribute to code analysis. Requires strong skills in Python/Java and relational data modelling.

Design and build high-integrity backend systems for the Yield investment product. Own end-to-end delivery of investment workflows, maintain financial infrastructure (reconciliation, ledgers, registries), ensure reliability and observability, integrate with external investment providers, and promote engineering best practices.

Lead development of internal AI-driven security tools and automation, support incident response with threat-hunting and remediation tooling, maintain Kubernetes/serverless infrastructure and large-scale log/ETL pipelines, identify automation opportunities with engineering teams, drive security outcomes (patching, gateways), and mentor junior engineers.

Lead design and build of internal AI tooling and automation to improve security operations. Develop ad-hoc incident response and threat-hunting tools, maintain Kubernetes, serverless, and ETL/data pipelines, and partner with product teams to automate patching and risk-mitigation services. Own large-scale log pipelines, mentor junior engineers, and deliver high-quality projects autonomously.

Build and own shared Go libraries and platform capabilities for data access, messaging, service communication, observability, resilience, and multi-cloud portability. Design adoptable APIs, implement resilience primitives, ensure security of dependencies, participate in architecture governance, consult with teams, operate libraries (on-call), and partner with Data Services, Infrastructure, SRE, and Observability teams.

Develop full-stack web interfaces and backend architecture for neurotechnology applications; implement neural signal processing pipelines (EEG), integrate machine learning models for neurophysiological data analysis, maintain acquisition/processing software, participate in code reviews, document technical processes, and work independently within a small, research-driven startup.

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.