Top Software Engineer Jobs in Melbourne

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 and build backend services for Airwallex’s financial platform, focusing on spend management and transaction accuracy. Collaborate with cross-functional teams and mentor other engineers.

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.

Lead end-to-end development of 0-to-1 fintech AI products, partnering with executives to design, prototype, and ship AI-driven features across backend and frontend, evaluate emerging AI technologies, and bootstrap scalable technical foundations for future teams.

Design and build multi-tenant, high-scale embedded finance infrastructure. Lead cross-team initiatives, architect enterprise integrations, optimize for performance and reliability, and collaborate with Product, Design, Compliance, and Sales to deliver production-grade solutions used by global customers.

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 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.

Design and build backend services for Airwallex's financial platform, focusing on spend management, ensuring reliability, compliance, and performance.

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

Manage ERP integrations, troubleshoot issues, optimize C# and SQL Server performance, ensure system availability, and automate business processes.

Build and maintain front end systems for Matilda's public product, focusing on user experience, performance, and reliable interactions.

As a Software Engineer at NCS Australia, you will design, develop, and maintain backend services in a .NET environment, implement testing frameworks, and collaborate within Agile teams.

As a Backend Software Engineer, you'll design and implement backend features, maintain services, write clean code, and collaborate with teams to create impactful user experiences.

The role involves working closely with the product team to develop and scale features, utilizing full-stack technologies in a fast-paced environment.

Responsible for development and maintenance of the Order Routing Management System, integrating with brokers and exchanges while ensuring stability and reliability of the platform.

Investigate and resolve platform-level client incidents, perform root cause analysis across Databricks, APIs and dashboards, build automation and tooling (Python/SQL/AWS/Dataform), collaborate with Product and Engineering to deliver scalable fixes, and participate in 24/7 on-call rotation to maintain platform stability and improve client support processes.

Design and build internal AI tooling and automation to support security operations, incident response, and threat hunting. Own infrastructure (Kubernetes, serverless, ETL/data pipelines), partner with product teams to reduce risk, deliver high-quality production code, and mentor engineers.

The Software Engineer will design, develop, and maintain backend services, including APIs for payments and subscriptions, while collaborating with cross-functional teams to enhance user experiences.

This role involves sourcing audio data, managing cloud infrastructure, collaborating on data processing workflows, and contributing to dataset roadmaps.

The Senior iOS Engineer will lead engineering and product decisions, enhance the app architecture, and ship production code for Speechify's iOS product while collaborating on the product roadmap.

Design, build, operate and improve internal AI platform capabilities and shared agentic components. Deliver services, APIs, workflows and tools, provide production support and on-call participation, shape technical design, and collaborate with product, design, and engineering to make platforms reliable, secure, observable, and scalable while adopting AI-assisted tools and agentic orchestration patterns.

Develop mobile solutions focusing on .NET MAUI and Xamarin, integrating backend web services, ensuring application security, and optimizing performance.

The Software Engineer will deliver bespoke software solutions, provide technical direction, mentor developers, and engage with clients throughout project delivery.

Build and support the Unified Comms self-service portal as a Full Stack Domain Engineer. Develop frontend and backend features, assist with integration, security fixes, CI/CD and automation, support DevOps activities including on-call rota, collaborate with product and technical leads to deliver OKRs, promote best practices and knowledge sharing, and transition PoCs into production.