Top Software Engineer Jobs in Melbourne

Deploys and optimizes secure, scalable AWS and Kubernetes environments for enterprise customers. Builds infrastructure automation with Terraform, Ansible, and CloudFormation; maintains CI/CD pipelines, observability, security controls, and production Kubernetes systems. Troubleshoots Linux, container, networking, and distributed-system issues, supports customer deployments and incidents, translates technical requirements into implementation plans, and collaborates with customer-facing and internal engineering teams.

Build and operate highly reliable card-issuing systems across authorization, clearing, settlement, fulfillment, provisioning, and disputes. Serve as a technical expert on card-network specifications, protocols, certifications, mandates, and production behavior. Develop production software, certification tooling, and shared frameworks; lead complex cross-team initiatives; work directly with card networks; mentor engineers; apply AI-assisted workflows; and participate in on-call incident response for critical financial systems.

Lead hands-on engineering for Block’s card issuing platform, specializing in card-network integrations, ISO 8583 protocols, authorization, clearing, certification, mandates, and production behavior. Build software and conformance tooling, resolve network-level issues, drive certification cycles, influence technical direction, mentor engineers, apply AI-assisted development practices, and participate in on-call support for critical financial systems.

Designs and executes manual and automated tests across web, API, backend, frontend, and device features. Performs functional, regression, integration, and end-to-end testing; develops test scripts; supports CI/CD testing; investigates defects using monitoring and observability tools; and collaborates with Product, Engineering, DevOps, UX/UI, and Data teams to improve platform quality and release reliability.

Design and maintain automated test frameworks, validation tooling, and infrastructure for autonomy software. Develop Python automation, regression, integration, functional, and performance tests across simulation, SIL, HIL, and VIL environments. Analyze results, troubleshoot integration issues, create quality metrics and readiness assessments, and integrate testing into CI/CD workflows. Collaborate with autonomy, systems engineering, flight test, and integration teams to support software quality and operational readiness.

Provides technical leadership and hands-on development for modern C++ software running on Linux-based edge platforms. Designs architectures, integrates cameras and sensors, develops imaging and mission applications, optimizes performance, and resolves issues across software, networking, hardware, and deployment boundaries. Mentors senior engineers, establishes reusable platforms and standards, and leads complex initiatives from requirements through deployment and sustained operation.

Designs and integrates systems across autonomy, perception, and mission-level technology stacks. Captures requirements, develops system architectures, creates and maintains MBSE models using UML, SysML, and UPDM, and supports systems engineering processes. Collaborates with design, development, integration, test, product, program, and business development teams while reporting technical status, risks, and progress to leadership.

Build and optimize distributed Lance dataset operations, high-performance indices, table formats, and data encodings in Rust. Develop integrations with Spark, Hive Metastore, Presto, Trino, Ray, and other data infrastructure systems. Improve internal data processing infrastructure, contribute to open-source communities, and promote Lance through technical conferences. The role requires deep distributed systems expertise and extensive experience with high-performance databases, big data, or AI training systems.

Build innovative software products in the Special Projects Division addressing public health, agriculture, education, and aid-related challenges in Sub-Saharan Africa. Responsibilities include designing software architectures, developing on UNIX-based platforms, participating in code reviews, using disciplined version control, collaborating with teams, and potentially applying Django, React, Android, or PyTorch. The role may involve travel to Africa to understand local contexts.

Lead hands-on software engineering and technical direction across a core platform built with C#, .NET, PostgreSQL, AWS, microservices, APIs, event-driven systems, BFFs, and frontend components. Responsibilities include architecture, coding, design reviews, mentoring, CI/CD improvement, observability, security, reliability, documentation, and stakeholder collaboration. The role also advances AI-assisted development, AI agent governance, and agent-enabled engineering workflows without direct people management.

Design, build, test, deploy, and maintain secure .NET software, backend services, APIs, integrations, and event-driven microservices. Work with PostgreSQL, AWS Lambda, ECS, EC2, Blazor, and MudBlazor while contributing to automated testing, code reviews, technical planning, documentation, troubleshooting, and production support. Collaborate on reliable, maintainable solutions and use approved AI-assisted development tools responsibly.

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.

Design, build, and operate services powering card issuance, transaction authorization, wallet provisioning, 3-D Secure, and disputes. Own features end-to-end within a microservice, event-driven architecture, write well-tested code, participate in reviews, and perform operational ownership including on-call and incident response. Leverage AI developer tools to improve velocity and quality.

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.

Design, build, test, ship, and operate services powering card issuance, transaction processing, and disputes. Own features end-to-end within a microservice and event-driven architecture, write well-tested code, participate in on-call incident response, and leverage AI tools to improve development velocity and quality while collaborating with cross-functional teams.

Lead solution and system design for the Reservations stream, partnering with product and design to solve ambiguous customer problems. Direct and verify AI-assisted implementation, review code, maintain agent-enabling engineering foundations, and own production quality. Mentor engineers, guide architecture and technical practices, and make trade-offs across scalability, performance, security, operations, and customer outcomes.

Designs, develops, deploys, tests, and reviews software applications, features, and defect fixes. Collaborates with team leaders and users to support a product roadmap, analyze requirements, document software, provide developer-level support, and learn existing codebases. The role also involves participating in planning meetings, conferences, and occasional team travel.

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.

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.

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.

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, 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.

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.