Top Software Engineer Jobs in Melbourne

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.

Design, develop, and maintain backend and frontend systems using the C#/.NET stack. Build RESTful APIs, use EF Core with SQL Server/PostgreSQL, support existing hardware/software, follow Agile practices, write clean code, collaborate with stakeholders, and manage multiple priorities including occasional after-hours work.

The role involves building and maintaining back end services for a large language model, focusing on APIs, infrastructure, reliability, and system performance.

Build and scale a fintech property-management platform producing front-end and back-end code, prototypes, production-ready solutions, and robust infrastructure. Collaborate with product, design, and engineers to own features, maintain microservices architecture, ensure CI/CD and testing, and mentor teammates.

Build and ship end-to-end full-stack features for the Learning Portal. Architect scalable systems, maintain cloud infrastructure (IaC), implement testing and CI/CD, perform PR reviews, be on-call, and drive product-quality improvements across frontend and backend services.

Contribute to design, development, testing and delivery of card and expense management solutions. Participate in technical planning, propose codebase and process improvements, collaborate with stakeholders, and maintain professional development and regulatory training.

The Principal Software Engineer will lead mobile application development, bridge technical and product strategies, and ensure engineering excellence at Xero.

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.

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.

Design and build scalable backend services for the Spend and Accounting Hub to track, reconcile and account for spend transactions. Own end-to-end feature delivery, ensure reliability, performance and compliance, contribute to long-term architecture, collaborate cross-functionally, and provide technical mentorship.

Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams to design and deliver features, troubleshoot performance issues, and propose technology improvements to enhance security and user experience.

Develop and optimize Soroban smart contracts on the Stellar network, integrate anchor services for cross-border payments, collaborate with teams, test and debug contracts, document processes, and provide technical support while staying current with blockchain and payments trends.

Implement EVM-compatible features, optimize gas usage, develop and test smart contracts, validate Ethereum infrastructure, provide technical support, and collaborate on Ethereum performance and tooling improvements.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Seeking software engineers with at least 2 years of production backend experience, interested in crypto and blockchain technologies, for roles with portfolio companies.

Design and build backend microservices for real-time fraud detection, transaction monitoring, and risk analysis. Integrate ML models and risk scoring engines, support scalable distributed systems, and leverage AI-assisted development and LLM/agent tools for risk automation.

Join a product engineering team building a large-scale Cyber Risk Posture Management platform. Deliver customer-facing features end-to-end, improve system reliability, scalability, and performance, contribute to architecture and code reviews, and collaborate with cross-functional teams while exploring AI/LLM enhancements.

The Software Engineer will develop high-quality responsive UIs for web/mobile, conduct user research, optimize applications, troubleshoot issues, and conduct code reviews.

Design, develop, and maintain scalable web applications using .NET backend and Angular/React frontend. Collaborate on requirements, implement RESTful APIs, optimize performance, debug, maintain documentation, support end-users, and work within CI/CD and DevOps workflows.

Design, develop, customize and integrate Microsoft Dynamics 365 CRM/CE solutions. Build entities, forms, workflows, plugins, reports and dashboards using CRM SDK, C#, JavaScript, ASP.NET and SQL. Troubleshoot issues, estimate implementation approaches, collaborate with stakeholders, document solutions, and mentor junior developers. Banking domain experience preferred.

Build and maintain customer-facing and internal web applications (Megaport Portal) using a modern frontend stack. Implement features with Vue 3/TypeScript, ensure accessibility and responsive design, integrate web services, improve architectures and processes, and write unit/integration/end-to-end tests using Playwright and Vitest.

Design and develop scalable, secure frontend web applications for connected embedded systems. Lead frontend architecture, collaborate with backend/embedded teams, implement device provisioning, telemetry visualization, and remote management UIs. Optimize performance, accessibility, and maintainability; mentor engineers, participate in reviews, and drive frontend best practices.

Design, build, and maintain secure, scalable APIs and integration services using C#/.NET. Troubleshoot production issues, optimise T-SQL, contribute to CI/CD pipelines, and enhance cloud-based platform reliability for global payments and reporting.

We are seeking a software engineer to build and validate resilient distributed systems, enhance CI pipelines, and improve testing strategies for cloud applications.

The Software Engineer in Test III will develop and execute automated tests, maintain testing tools, analyze defects, and ensure product testability within TraceLink's software solutions.