Top Software Engineer Jobs in Sydney

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

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.

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.

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.

Contribute to development and maintenance of the WiredTiger storage engine for MongoDB, focusing on enhancing performance, managing concurrency, and implementing new features.

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.

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

Join Elafent as a Graduate Software Engineer to create scalable and elegant software for our cloud SaaS platform. Work on various development areas, collaborate with a proactive team, and enjoy a healthy work/life balance.

As a Software Engineer in Data, you will design, build, and support data systems, create real-time data pipelines, and manage data workflows, collaborating across teams.

Join Fetch as a Software Engineer to build AI-driven products that enhance pet health and streamline veterinary care, working with a collaborative team.

Build, operate, and scale distributed cloud infrastructure and platform services used across Stripe. Focus on automation, reliability, observability, debugging production systems, and supporting internal customers. Participate in roadmap planning and incident response to maintain high availability and performance at scale.

The role involves software development, design, and testing for web, mobile, and cloud applications, focusing on test automation and collaboration with global teams.

Build AI-first customer support product end-to-end: design UI/UX, data models, tooling, and feedback systems. Own problems from idea to production, work closely with coding agents as a core workflow, and collaborate with a small, high-calibre team to ship novel AI features.

The Senior Software Engineer will focus on application migration, leading projects and ensuring successful transitions to new environments.

Lead development of React Native + Expo mobile apps, design app architecture, build shared npm packages, integrate backend APIs, ensure secure handling of financial data, instrument and monitor apps, contribute to CI/CD and testing, and work with AI-assisted development (Claude Code) while mentoring other engineers.

Own and improve an embedded Linux Edge AI sensor platform: Yocto builds, kernel/drivers, device trees, hardware integration (cameras, microphones, modems, sensors), OTA and provisioning, device security, profiling and optimizing Edge ML inference (NPU/quantisation), audio analysis, and backend services for fleet diagnostics, observability and deployment. Collaborate with hardware, AI, cloud and manufacturing teams from concept through field deployment.

Build and own foundational full‑stack systems for Propeller's 3D mapping platform: design, implement, test, ship, and maintain services and UI, collaborate across teams, and support adoption of shared patterns.

Join Speechify's AI team as a Software Engineer responsible for data collection and infrastructure management to enhance model training operations.

The Senior iOS Engineer will lead key engineering decisions, actively ship production code, and enhance the app architecture, ensuring a great user experience.

Design, develop, test and deploy microservices, automation workflows, ETL and APIs to provision and manage cloud infrastructure. Build AI-enabled workflows, MCP servers and prompt-engineering tools. Automate compliance remediation, integrate management systems, and evaluate and champion new technologies to improve operational tooling and service delivery.

Full-stack engineer building and supporting frontend and backend systems, scalable microservices, React micro-frontends, and Kubernetes/cloud infrastructure. Improve automated testing, DevOps practices, security, performance, and participate in production support and platform improvements.

Full‑stack engineer responsible for designing, building, and delivering frontend and backend features, supporting microservices and React micro-frontends, improving Kubernetes/cloud infrastructure and DevOps, enhancing automated testing, and driving security, performance, and reliability improvements while participating in production support.