Top Software Engineer Jobs in Melbourne

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.

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.

Build and ship full-stack features for Flex, a DER orchestration product for electricity utilities. Responsibilities include backend services, data models, web UI, operational tooling, monitoring, reporting, and production observability. Own features end-to-end, integrate power flow and optimization outputs, collaborate across engineering teams, use AI-assisted development tools, and contribute to testing, code quality, CI/CD, and knowledge sharing.

Build and execute automated tests for enterprise web applications and APIs. Extend automation frameworks, develop configurable testing tools, simulate high transaction volumes, execute performance tests, document and verify defects, and collaborate with product engineers on testability. The role also involves analyzing technical solutions, researching testing technologies, supporting users, and preparing formal test plans, datasets, and configurations.

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

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.

Design, build, and improve Canva’s observability platforms, data pipelines, and tooling. Lead technical decisions, optimize metrics and continuous profiling systems, improve monitoring and visualization experiences, and promote observability best practices across engineering. The role involves developing SDKs, operating highly reliable distributed systems, and collaborating cross-functionally to support scalable, high-throughput infrastructure and production reliability.

Owns end-to-end developer tooling and infrastructure solutions for large-scale engineering teams. Builds self-service platforms, CLIs, automation, CI/CD systems, build and test infrastructure, release tooling, monitoring, and developer workflows for Python and Java engineers. Partners with backend, platform, and infrastructure teams, uses telemetry to prioritize improvements, and contributes through documentation, technical talks, and mentorship.

Build and own high-performance portable libraries in Rust or C++ that run across iOS, Android, and web. Design native-feeling APIs, safety models, and foreign-function interfaces; collaborate with Staff engineers and frontend teams; provide hands-on technical leadership; and establish cross-platform mobile architecture patterns. The role requires deep native mobile expertise, systems programming, technical communication, and practical AI fluency.

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 the design, development, deployment, and operation of scalable AI/ML products and platforms. Own the full machine learning lifecycle, including experimentation, evaluation, inference, monitoring, and optimization. Develop LLM, retrieval, ranking, relevance, and generative AI solutions using Python, AWS, SQL, Airflow, Kafka, and BigQuery. Set technical direction, establish evaluation frameworks, improve engineering practices, mentor engineers, and promote reliable, ethical, and compliant AI/ML delivery.

Design, build, test, deploy, and monitor reliable AI/ML products and services at scale. Develop real-time and batch data pipelines, optimize ranking and retrieval models using embeddings, transformers, and LLMs, and establish evaluation, observability, and model lifecycle management practices. Collaborate across product, engineering, data, and consumer experience teams while contributing to scalable ML platform capabilities.

Develop high-quality, resilient software across Ubuntu and the open source stack, from Linux systems and firmware to cloud, containers, and desktop applications. Contribute to product roadmaps, user experience, code reviews, issue resolution, security, and enterprise requirements. Collaborate remotely with global engineering teams and the open source community, while building expertise in programming languages and Linux systems. Attend international company sprints twice yearly.

Lead and deliver impactful mobile workflows for the Xero Accounting App while ensuring system health and efficiency through continuous improvement and automation practices.

Design and deliver scalable Azure platform services for capacity planning, quota management, and infrastructure fulfillment. Lead architecture, API and data model design, implement end-to-end features, apply AI and automation, ensure operational reliability and security, and mentor engineers while collaborating across engineering, infrastructure, and business teams.

Provide technical leadership for Canva’s experimentation platform, designing reliable backend and distributed systems for experiment setup, user targeting, variants, measurement, guardrails, and progressive rollouts. Lead ambiguous technical initiatives, drive adoption across engineering teams, and collaborate with senior technical and data science leaders. Help evolve automated experimentation analysis and alerting using data systems, experimentation principles, and AI-enabled capabilities.

Design, build, deploy and operate cloud-native, AI-enabled employee experiences using Python, AWS, Node.js and React. Contribute to architecture, platform components, CI/CD, DevSecOps, observability and AI-agent features while improving security, scalability and engineering quality.

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.

Join Supabase as a Software Engineer to own the Terraform provider, improving reliability, driving technical strategy, and creating documentation for seamless IaC workflows.

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.