Top Software Engineer Jobs in Sydney

Designs, builds, and delivers VALORANT personalization gameplay features and backend services across PC and console. Collaborates with designers, artists, and engineers to take features from discovery through launch, improve development processes, troubleshoot live-service issues, and address performance and reliability challenges. The role also leads projects, mentors junior engineers, and participates in an on-call rotation.

Develop full-stack product features using Java and React, build microservices and micro-frontends, and contribute to Kubernetes, cloud, DevOps, testing, security, performance, reliability, and production support. Collaborate with global cross-functional teams throughout the software development lifecycle while using modern delivery practices and AI-assisted development tools.

Participate in a structured four-rotation graduate engineering program, learning the software development lifecycle and contributing to product features, quality, support, and AI/ML initiatives. Work in an agile environment while developing technical foundations, product knowledge, communication skills, and delivery discipline. Successful completion leads to a junior engineering role.

Build and maintain backend and frontend platforms supporting customer identity, engagement, billing, and subscriptions across Nine’s digital products. Deliver sprint work, contribute to solution design, improve engineering practices and tools, collaborate with cross-functional teams, communicate technical decisions, and resolve complex platform issues.

Own full-stack product features from problem definition through production using Elixir/Phoenix backend services and React/TypeScript interfaces. Establish engineering quality standards, design shared foundations, make squad-level architectural decisions, mentor engineers, and validate post-launch outcomes. Work on data-intensive, real-time logistics applications involving distributed systems, performance, observability, and event-driven workflows. Use coding agents, agentic prompting, and MCP tooling responsibly across the software development lifecycle.

Build and operate scalable, highly available, low-latency APIs supporting scam detection, fraud prevention, and identity verification. Improve infrastructure and application delivery through automation, Infrastructure as Code, and CI/CD. Collaborate with product, data, customer success, and design teams to deliver backend capabilities, troubleshoot production systems, and contribute to technical standards and platform direction.

Build and maintain full-stack features across Python services, databases, React front ends, and AWS infrastructure. Develop AI agents using a governed framework, apply AI tools to engineering work, and operate within banking governance, security, and risk requirements. The role also involves collaborating in a small engineering team, contributing ideas, solving problems, and working with data-related projects.

Build and enhance Engine by Starling’s banking platform and internal tools as part of a collaborative engineering team. Graduate engineers will develop configurable features and products, own projects, solve real-world technical challenges, contribute quality code, and learn through feedback. The role uses technologies including Java, JavaScript, TypeScript, Swift, Kotlin, Docker, Kubernetes, TeamCity, and AWS.

Build and operate reliable, scalable platform capabilities for Walmart Data Ventures. Responsibilities include developing AI and GenAI-powered tooling, agentic services, automation, observability, self-healing systems, and incident-response solutions. The role owns service reliability, scalability, SLOs, alerting, distributed tracing, deployment automation, production monitoring, and debugging while establishing SRE standards and improving customer support through automation.

Build AI- and GenAI-powered platform capabilities, automation, observability, and self-healing systems for Walmart Data Ventures. Own service reliability, scalability, SLOs, incident response, monitoring, and deployment practices across cloud-native distributed systems. Establish SRE standards, reduce operational toil and incident volume, improve customer support through intelligent automation, and drive the full software development lifecycle, including coding, testing, CI/CD, deployment, monitoring, and debugging.

Lead design and delivery of scalable, cloud-native platform capabilities and ML-integrated applications. Oversee full SDLC, architecture, reliability, CI/CD, observability, and incident response. Provide technical leadership, mentor engineers, collaborate with stakeholders, and drive continuous improvement to support high-availability distributed fulfillment systems.

Build and operate secure, scalable full-stack software across APIs, backend services, integrations, and Angular interfaces. Own features from discovery and technical design through release, production support, and iteration. Troubleshoot issues, improve reliability and performance, participate in code reviews, and collaborate with product and engineering teams to deliver customer-focused SaaS capabilities.

Build and own end-to-end products for an AI-native electricity retailer. Responsibilities include product design, frontend interfaces, data modeling, backend architecture, security, resilience, and agent-driven development workflows. The role also involves processing metering, market, and weather data; shaping engineering foundations; collaborating with energy and go-to-market teams; and delivering reliable software in an evolving startup environment.

Design and develop scalable backend systems that automate satellite operations, process geospatial datasets, and support Earth observation missions. Responsibilities include maintaining APIs and web interfaces, implementing platform features, resolving customer issues, improving user experience, collaborating with stakeholders, and mentoring developers. The role requires backend architecture and distributed-systems expertise, with preferred experience in Go, geospatial intelligence, large-scale data processing, and server-side rendering.

Staff Software Engineer responsible for troubleshooting and optimizing mission-critical applications, Kubernetes infrastructure, databases, and cloud-native systems. The role develops software, automation, AI-assisted operational tools, monitoring, and CI/CD improvements; resolves production incidents; performs database tuning and root-cause analysis; and drives reliability, scalability, and operational excellence across enterprise platforms.

Supports a business-critical warehouse management system in a 24x7 environment. Responsibilities include application maintenance, upgrades, incident resolution, infrastructure and database administration, SQL performance optimization, monitoring, integrations, change and release management, vendor coordination, SOX compliance, disaster recovery testing, documentation, and continuous service improvement.

Provides 24x7 production and application support for a business-critical warehouse management system. Responsibilities include monitoring, incident resolution, troubleshooting, SQL and database support, application maintenance, upgrades, release testing, infrastructure coordination, documentation, SOX compliance, and disaster recovery testing. The role collaborates with infrastructure, networking, cybersecurity, SAP, middleware, database, and vendor teams to maintain application availability, security, and performance.

Build and ship Audience, Immutable’s MarTech platform for gaming studios. Own product features end to end across attribution, measurement, lifecycle messaging, segmentation, experimentation, and AI-powered growth. Work hands-on across frontend and backend systems using TypeScript and Go, collaborate with Product, Design, Data, founders, and customers, and contribute to an AI-native engineering workflow.

Provides technical leadership for site reliability engineering across Walmart Data Ventures. Designs scalable automation, observability, SLO tooling, and AI-powered agents for incident triage, root cause analysis, workflow automation, self-healing, and customer support. Establishes reliability standards, improves scalability and resilience, reduces incidents and operational toil, and advances CI/CD, testing, monitoring, debugging, and production readiness through cross-functional engineering influence.

Develop and maintain RecordPoint SaaS solutions across the software development lifecycle. Responsibilities include designing, coding, testing, documenting, troubleshooting, supporting cloud and on-premises deployments, and collaborating with engineering and customer teams. The role involves learning the company’s architecture, development tools, deployment models, and testing practices while contributing to continuous improvement and technology adoption.

Develop and maintain cross-platform consumer mobile applications using React Native, TypeScript, and JavaScript. Build reusable components, integrate REST and GraphQL APIs, implement state management, optimize performance, troubleshoot crashes, support testing and CI/CD releases, and apply accessibility and usability principles. Collaborate with product, design, QA, and engineering teams in Agile delivery environments while contributing to code reviews, experiments, and engineering standards.

Build and maintain full-stack features for secure, high-volume fintech and cryptocurrency transactions. Develop Golang and Java backend services, Node.js and TypeScript APIs, and React/Next.js applications. Integrate third-party systems, implement OAuth 2.0 authentication, work with microservices, and ensure security, performance, reliability, and observability. Contribute to architecture discussions, code reviews, technical documentation, and end-to-end feature ownership in a fully remote environment.

Twelve-month graduate program with two rotations focused on software engineering, big data, AI, SRE, DevOps, cloud platforms, and security engineering. The role involves developing and reviewing specifications, coding, bug fixes, testing, requirements analysis, data modeling, and resolving technical issues under senior guidance. Participants receive mentorship, training, feedback, and exposure to Agile and Waterfall methodologies while collaborating with stakeholders to develop innovative products.

Develop and maintain high-traffic consumer weather web applications using JavaScript, React, and Next.js. Build accessible, responsive interfaces, integrate APIs, troubleshoot defects and performance issues, write tested reusable code, and collaborate with engineering, QA, product, and UX teams on releases and production improvements.

Develop, test, maintain, and verify embedded software for medical devices used in diagnosis, monitoring, and treatment. Collaborate with software, hardware, systems, quality, product, and clinical teams; contribute to architecture and design reviews; troubleshoot defects; document technical decisions; and improve engineering processes, tools, CI/CD, and automated testing practices.