Top Software Engineer Jobs in Sydney

Leads delivery of scoped software features and models for scalable web and membership-experience platforms. Designs, develops, tests, debugs, and maintains reliable software using Java, Python, Node.js, APIs, CI/CD, automated testing, and AI/ML integrations. Collaborates with stakeholders, conducts code reviews, monitors performance, translates requirements into technical solutions, supports production systems, mentors peers, and promotes engineering excellence and continuous improvement.

Leads scalable software feature and model delivery across the full development lifecycle. Responsibilities include coding, testing, debugging, code reviews, CI/CD, AI/ML integration, solution design, performance monitoring, stakeholder collaboration, technical requirements, production support, and peer mentoring. The role develops Java and Node.js services using REST and GraphQL APIs while promoting secure, maintainable engineering practices and continuous improvement.

Leads Android software development across design, coding, testing, deployment, debugging, and production support. Develops scalable and secure mobile solutions using Kotlin and modern architectures, integrates AI and ML capabilities, conducts code reviews, supports CI/CD and DevOps activities, monitors performance, and promotes engineering best practices. Collaborates with cross-functional teams, owns feature delivery, mentors peers, and contributes to Walmart+ customer-focused platform improvements.

Design, develop, and maintain cloud-based analytics applications for life sciences supply chain operations. Build scalable backend services, provide architectural guidance, write high-performance code, and collaborate with data scientists, architects, product teams, and QA. Contribute to product strategy, estimate and track complex initiatives, support Agile development, and participate throughout the software development lifecycle.

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.

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.

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.

The Junior Ubuntu Software Engineer will design, build, and ship software, focusing on quality and resilience, while engaging with the open source community.

Design and implement backend services using Elixir/Phoenix, contribute to architecture decisions, write production-ready code, and operate built components while collaborating effectively with product and design teams.

The Software Engineer will design, build, and deliver scalable software, support complex projects, and own system reliability while collaborating with the team.

Design, implement, and maintain backend services in Java that power scalable user experiences. Collaborate with PMs, designers, and frontend engineers to deliver features, improve performance and reliability, write tests, enhance observability, fix bugs, and continuously learn through mentorship and feedback.

Design, implement, and maintain end-to-end billing systems including usage metering, subscription and entitlement enforcement, Stripe integrations, ledger accuracy, billing APIs, and observability to ensure revenue correctness and scalable billing operations.

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.

Embed with strategic customers to design and implement end-to-end technical solutions. Own project delivery, collaborate with client engineering and executive teams, build integrations using ElevenLabs technologies, and solve complex problems through software development and architecture. Serve as a technical liaison to ensure successful deployment and adoption.

Own quality strategy for multiple applications; design and implement scalable automation frameworks; lead end-to-end testing (functional, integration, performance, security); mentor junior testers; perform root-cause analysis and improve automation stability and test execution at scale.

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

Develop and optimize algorithms for battery and renewable energy projects, analyze market data trends, and ensure algorithm performance.

The Senior Software Engineer will design and develop cloud-based Analytics applications, collaborating with domain experts to optimize supply chain operations using Java, JavaScript, and SQL.

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.