Top Software Engineer Jobs in Melbourne

Build internal tooling and platform improvements for database reliability. Split time between software engineering and database operations: monitoring, observability, performance tuning, incident response, migration to RDS/Postgres, and automating fleet management to improve resilience and developer efficiency.

Design, implement, and operate scalable backend services for the Spend and Accounting domains powering cards and expense workflows. Own end-to-end feature delivery, contribute to architecture, write testable reliable code, uphold observability and API best practices, collaborate with product and infrastructure, and provide technical mentorship to raise engineering standards.

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.

Develop and maintain enterprise-grade C# and .NET applications, RESTful APIs, event-driven microservices, and distributed systems on AWS. Design PostgreSQL schemas, optimize queries, and support high-volume workloads across the full software development lifecycle. Collaborate with product owners and architects while meeting compliance, security, resiliency, and service-level requirements. Use and evaluate AI-assisted development tools responsibly for coding, testing, refactoring, documentation, and automation.

Develop and maintain production C++ software for Linux-based edge/embedded platforms (NVIDIA Jetson, ARM). Integrate sensors and peripherals, build calibration/diagnostic tools, optimise performance (latency, throughput, power), debug across software/hardware/OS/networking, and collaborate with cross-functional teams to deliver fieldable autonomy and mission systems.

Build and ship full-stack features for the Learning Portal (Next.js UI, Go services, Supabase edge functions). Design scalable systems and infrastructure (IaC with SST/Pulumi, AWS, Vercel), implement testing (Vitest/Jest, Cypress/Playwright), perform PR reviews, maintain docs, run CI/CD, and be on-call to ensure reliable student-facing experiences.

Design, develop, test, and maintain scalable software solutions within cross-functional Agile teams. Improve automated testing, write SQL and stored procedures, and collaborate with stakeholders to deliver high-quality outcomes while supporting continuous improvement and experimentation.

Build and maintain platform products, internal tools, and shared services across the stack. Develop frontends, backend services, APIs, CI/CD pipelines, observability, testing, and integrations. Collaborate on secure, scalable designs, support incidents, contribute documentation, and improve developer experience and platform consistency.

Design, build and own authorization and access control systems (SpiceDB-backed). Partner with Security and product teams to drive adoption, design patterns and tooling, ensure high availability at scale, and mentor engineers on system design and IAM best practices.

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.

Lead design, development, integration and sustainment of complex software for defence scientific and engineering applications. Translate requirements into designs, implement, test, debug, document, support verification/validation, and provide technical leadership and mentoring across projects.

Design and implement system software and components for Azure storage virtualization, including drivers, libraries, telemetry, and diagnostics. Collaborate across teams, ensure reliability, security, testability, and monitor systems at cloud scale. Serve as on-call DRI to detect, alert, and remediate service issues.

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

Build and maintain Next.js and Contentful-driven web experiences, implement Azure Functions, apply DevOps and IaC practices, participate on-call, collaborate with engineers, designers and content creators, and continuously improve performance, testing, and platform reliability to grow Office product user engagement.

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

Build high-performance, scalable React+TypeScript web applications for payment experiences. Design reusable UI components and optimize frontend performance while collaborating with cross-functional teams on architecture, testing, accessibility, and product delivery.

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.

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 maintain full-stack features for customer and internal web apps, design backend APIs for onboarding and transactions, integrate third-party services, implement OAuth2 authentication, operate in a microservices AWS environment, ensure security, performance, observability, participate in code reviews and architecture, and write technical documentation.

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.

Lead the design, development, deployment, and maintenance of scalable cloud-native platform capabilities for Walmart Connect’s sponsored search ad server. Build infrastructure, tooling, AI/ML frameworks, and distributed systems; conduct design reviews; drive software lifecycle activities; mentor engineers; influence architecture and technical decisions; and collaborate across teams to translate complex business needs into reliable, data-driven solutions.

Leads platform engineering initiatives delivering scalable cloud-native systems and AI-enhanced applications. Responsibilities include full software development lifecycle ownership, system design reviews, coding, testing, deployment, monitoring, maintenance, and development of ML-enabled applications. The role mentors engineers, influences technical decisions, collaborates across teams to define requirements, and drives continuous improvement, reliability, and architectural excellence.

Build scalable backend platform capabilities, infrastructure, tooling, and ML frameworks for Walmart’s Membership Experience Engineering team. Lead the full software development lifecycle, apply cloud-native architecture, design APIs and resilient systems, integrate AI and machine learning components, conduct design reviews, and ensure deployment, observability, and maintenance. Mentor engineers, influence technical decisions, collaborate with stakeholders, and use data-driven practices to improve engineering productivity and product outcomes.

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.