Top Software Engineer Jobs in Sydney

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 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.

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.

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 large-scale Azure networking services, including IP address, metadata, configuration management, and authoritative network design systems. Diagnose network issues and performance bottlenecks, create practical technical solutions, collaborate with Microsoft teams and industry partners, and work with customers to improve networking experiences across Azure’s global data center infrastructure.

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.

Senior Software Engineer responsible for delivering scalable software features and AI/ML-enabled solutions across the full software development lifecycle. Duties include coding, debugging, testing, CI/CD, system design, performance monitoring, stakeholder collaboration, and ongoing support. The role also involves mentoring peers, promoting engineering best practices, and contributing to reliable, secure, maintainable talent acquisition technology platforms.

Leads the design and delivery of scalable platform capabilities across multiple engineering teams. Architects cloud-native, distributed systems and AI/ML integrations while ensuring availability, fault tolerance, and real-time processing. Oversees the software development lifecycle, including CI/CD, testing, monitoring, and incident response. Provides technical leadership, mentorship, and architectural guidance while partnering with stakeholders to translate business needs into technical requirements and driving continuous improvement.

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.

Develop and support C# and .NET platforms for billing, subscriptions, customer entitlements, premium listings, and agency booking integrations. Build scalable applications and RESTful APIs, troubleshoot production issues, improve reliability and performance, and collaborate with product and business stakeholders. The role includes testing, security best practices, Agile delivery, and participation in an on-call roster for business-critical systems.

Designs, builds, tests, and maintains scalable full-stack software using Java and React. Responsibilities include feature design, code reviews, cloud-native development, debugging, performance optimization, containerization, CI/CD, automated testing, and collaboration with product and engineering teams. The role emphasizes technical growth, mentorship, quality engineering, and adoption of modern and AI-assisted development tools.

Build and maintain high-performance Golang backend services and APIs for a large digital media archive. Develop AWS cloud-native microservices, media-processing modules, and Kubernetes deployments for audio, video, and metadata. Collaborate in an autonomous Agile squad, contribute across the deployment lifecycle, participate in code reviews and testing, and strengthen DevOps, monitoring, and automation practices.

Develop AI-driven migration capabilities for SnowConvert, including code conversion, data migration, validation pipelines, and automated testing. Build reliable foundations and APIs for agentic AI systems, collaborate with AI and field engineering teams, and optimize distributed data pipelines for performance, scalability, and cost efficiency.

Build and own partner integrations across ingress and egress pipelines, including API authentication, data mapping, event-driven workflows, and AI-assisted ordering capabilities. Diagnose distributed production failures, write root-cause analyses, and improve monitoring and reliability. The role requires strong C#/.NET backend development, third-party API integration, REST design, relational databases, ORMs, cloud infrastructure, containers, CI/CD, and clear asynchronous communication.