Top Software Engineer Jobs in Melbourne

Design and build secure, scalable Java and Spring Boot microservices. Support the full software development lifecycle, including configuration, testing, deployment, and production support. Develop technical architectures, explain trade-offs to stakeholders, coach team members, and contribute to documentation and delivery quality. The role is a nine-month fixed-term contract, open to candidates anywhere in Australia.

Leads hands-on engineering for AI-enabled operational risk platforms using .NET, Python, AWS, microservices, APIs, and agentic AI. Designs scalable architectures, writes production code, mentors engineers, establishes CI/CD and GitOps practices, and improves testing, observability, reliability, security, and compliance. Partners with product, data science, and platform teams to evolve MVP solutions into enterprise-grade systems while integrating event streams and producer-led data products.

Lead quality engineering for membership and loyalty capabilities, designing and executing functional, integration, API, contract, automation, and end-to-end tests. Build reliable test suites, validate loyalty points and personalized recommendations, manage test data, ensure cross-browser and cross-device quality, define testing strategies, and improve coverage using AI-assisted tools. Collaborate with engineering and product teams throughout the software development lifecycle while leading quality engineers in the loyalty and personalization area.

Lead design, develop, test, and support of highly scalable, reliable Azure Storage services. Provide technical leadership, improve observability and AIOps, ensure security and compliance, and support high-availability services used by millions with on-call responsibilities.

Develop and support scalable Java and Spring Boot backend microservices powering omnichannel inventory availability, order promising, allocation, fulfilment, and post-purchase experiences. Build event-driven processing with Kafka, integrate OMS, WMS, ERP, commerce, and fulfilment platforms, and ensure services are secure, observable, reliable, and performant. Own features from design through production, write tested code, participate in reviews, troubleshoot production issues, and improve operational efficiency.

Designs, automates, and executes functional, integration, API, contract, regression, concurrency, and performance tests for inventory, order promising, sourcing, and fulfillment platforms. Investigates defects, validates fixes, maintains regression coverage, integrates quality tests into CI/CD pipelines, and supports release readiness. The role collaborates with product and engineering teams to validate distributed commerce systems, integrations, business rules, data consistency, scalability, resilience, and consumer-impacting workflows.

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.

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.

Evaluate AI coding agents such as Codex, Claude Code, and Cursor for engineering judgment, response quality, reasoning, explanations, and user guidance. Provide clear written feedback and recorded video assessments, distinguish response-quality levels, and help define standards for excellent AI-assisted development interactions. This is a flexible remote contract role focused on evaluation rather than production coding.

Associate software developer who will train and join a specialized software team, contributing to design, development, testing, debugging, deployment, and maintenance of software applications. The role involves collaboration across hardware, embedded software, integration, algorithms, and AI/ML teams; completing assigned work; and documenting technical work and learnings.

Leads the engineering function for SEEK’s AI and platform services, managing and developing engineers while setting technical direction. Responsibilities include designing scalable backend systems and APIs, productionizing machine learning models, improving DevOps practices, shaping product and technical priorities, managing integrations, and partnering with data scientists, product managers, and business stakeholders to deliver reliable AI-enabled capabilities.

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.

Senior Backend Software Engineer responsible for designing, coding, testing, debugging, and troubleshooting scalable software. Leads technical discussions, completes medium-sized projects, improves engineering processes, mentors junior engineers, and collaborates with product and engineering stakeholders. Requires strong backend development experience with Node.js, microservices, cloud services, CI/CD, TypeScript, GraphQL, databases, and subscription technologies.

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 build distributed systems for a high-performance CI/CD execution platform. Responsibilities include orchestrating Supabase Branch lifecycle operations, provisioning ephemeral sandboxed environments on AWS, scheduling concurrent builds, optimizing pipelines through caching and artifact reuse, handling retries and failures, instrumenting observability, and developing configuration and infrastructure integrations. The role requires strong Go and TypeScript skills, cloud infrastructure experience, and a production operations mindset.

Lead design and delivery of scalable, reliable backend services for Azure infrastructure. Own distributed-system design, implementation, testing, and operations. Drive incident response, on-call rotations, observability, automation, code reviews, and mentor engineers to improve reliability and operational excellence.

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.

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

Build and operate secure, scalable full-stack digital lending products using TypeScript, React, Node.js, and GraphQL. Own end-to-end delivery from architecture and design through deployment and production operations. Develop cloud-native services, enhance automation with Generative and Agentic AI, establish observability and automated testing, and lead complex cross-team initiatives. Mentor engineers, influence technology direction, and deliver intuitive customer experiences within a FinTech environment.

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.

Own backend-heavy full-stack product surfaces from architecture through production operations. Responsibilities include building AI-powered answer experiences, identity and billing systems, public APIs, integrations, and workflow tools. The role requires partnering with product, making technical trade-offs, operating services, monitoring performance, responding to incidents, and continuously improving systems used by tax and law firms.

The Backend Software Engineer will develop and maintain backend systems for data processing related to coffee farming, utilizing Python and PostgreSQL. Responsibilities include feature development, problem-solving, and adapting systems to regulatory changes while ensuring system resilience.

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.