Top Software Engineer Jobs in Sydney

Owns technical direction and hands-on execution for major products and systems. Designs scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; writes code; leads critical initiatives from design through production; makes technical trade-offs; improves engineering quality; solves complex production problems; and mentors engineers across teams.

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.

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

Responsible for designing and implementing authentication features in Go and TypeScript, enhancing Auth architecture, and collaborating with teams to improve user experience.

As an Intern Software Engineer, you'll participate in software testing, execute test cases, report defects, and collaborate with the development team to enhance platform quality.

Lead scientific delivery of customer antibody programs from cell-line strategy through upstream process development and scale-up. Design and run DoEs across high-throughput screens and bioreactors, diagnose cell-line or process issues, develop media and feeds, ensure stability and banking, coordinate with analytics and downstream teams, and communicate results and risks to customers while delegating routine execution to operations.

Build and maintain Go-based backend services, APIs, microservices, and CLI tools for internal developer experience. Automate operational workflows, access management, governance, and infrastructure provisioning. Design scalable systems integrating SaaS platforms, systems of record, and internal infrastructure. Deploy and operate services on Kubernetes/EKS, while profiling and optimizing performance. Collaborate with cross-functional teams to deliver reliable platform capabilities and self-service tooling.

Develop and test production-grade diagnostics and system software for Linux-based network appliances. Lead board bring-up, hardware validation, root-cause analysis, and cross-functional coordination to improve manufacturing yields and support complex hardware-related customer issues. Provide architecture guidance, code reviews, and mentor junior engineers.

Design, implement, and maintain scalable backend systems supporting Alpaca’s financial ledger and brokerage infrastructure. Own high-visibility features from design through deployment, collaborate with finance, operations, product, and engineering stakeholders, and improve system health. Build performant, reliable, maintainable services using modern distributed systems technologies while ensuring the ledger remains a correct source of truth for account transactions, reporting, and compliance.

Designs, develops, integrates, tests, and maintains production embedded Linux software for vehicle systems. Responsibilities include modern C/C++ and Qt/QML development, Yocto platform maintenance, Python automation, CI/CD, automated testing, debugging across hardware and software boundaries, release management, architecture, documentation, and production support. The role also provides technical leadership and mentorship while collaborating with multidisciplinary engineering, manufacturing, cybersecurity, and supplier teams.

The role involves designing and building scalable systems for trade lifecycle management, maintaining data integrity, and collaborating on reporting pipelines, while also handling production support.

The Senior Software Engineer will build AI-powered user experiences, develop frontend and backend services, and integrate AI capabilities into legal workflows, while mentoring engineers and ensuring strong engineering standards.

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.

Design, build, and operate resilient Java and Spring Boot backend services for inventory availability, order promising, and fulfillment. Develop event-driven Kafka integrations, concurrency and consistency controls, caching strategies, observability, and graceful degradation mechanisms. Own services from design through production, optimize performance and reliability, integrate with commerce and enterprise platforms, conduct code reviews, document architecture decisions, and mentor junior engineers.

Own quality strategy, automated testing, and test execution for omnichannel commerce capabilities. Build scalable API, integration, contract, event-driven, and end-to-end test frameworks; manage complex test data; integrate quality gates and regression testing into CI/CD pipelines; define quality metrics; validate order, inventory, fulfillment, returns, and post-purchase workflows; and mentor engineers on quality practices and automation.

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.

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.

The Senior Software Engineer will design, develop, and deploy scalable software solutions while mentoring junior engineers and collaborating with cross-functional teams.

No responsibilities or technical details are provided in the posting beyond the job title. The listing only identifies the role as Senior Software Engineer and includes an equal opportunity and drug-free workplace statement.

Build and deliver frontend features across Vue, Angular, and React surfaces; write well-tested TypeScript; own features end-to-end; collaborate with product, design, and backend on a serverless AWS stack; mentor engineers and evolve frontend architecture for scale.

Architect, develop, integrate, test, debug, and optimize embedded software for diverse hardware platforms using RTOS, bare-metal, Zephyr, and Linux environments. Lead software architecture, system validation, test automation, and multi-threaded application development while collaborating with hardware and software teams. Define test strategies, analyze defects, document designs, conduct code reviews, mentor engineers, optimize performance and power usage, and contribute to open-source projects.

Design, build, and deploy liveness detection systems using deep learning to detect biometric spoofing. Engineer and optimize models, perform feature engineering, preprocess and validate large biometric datasets, implement algorithms for multimodal biometric inputs, and maintain production systems with monitoring and validation against spoofing techniques.

Design, implement, and maintain scalable Java-based software solutions. Collaborate across the SDLC with stakeholders and development teams, integrate DevOps and CI/CD practices, support operational tasks, ensure security and performance, drive feature development, conduct code reviews, and stay current with emerging technologies.