Top Software Engineer Jobs in Sydney

Develop and maintain enterprise-grade C# and .NET applications, RESTful APIs, event-driven microservices, and distributed systems on AWS. Design PostgreSQL schemas, optimize queries, and support high-volume workloads across the full software development lifecycle. Collaborate with product owners and architects while meeting compliance, security, resiliency, and service-level requirements. Use and evaluate AI-assisted development tools responsibly for coding, testing, refactoring, documentation, and automation.

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 reliable, secure cloud software and ML infrastructure for Azure operations. Responsibilities include gathering requirements, contributing to architecture, coding, code review, testing, deployment, telemetry integration, data analysis, live-service operations, on-call support, automation, and security and compliance improvements. The role emphasizes AI-powered operational autonomy, extensibility, maintainability, and collaboration across Microsoft teams.

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.

Build and maintain scalable full-stack software for the Campaign Monitor product. Develop APIs, event-driven microservices, dynamic web applications, AWS infrastructure, and event-streaming solutions. Collaborate with designers, product managers, and engineers; contribute to architecture decisions, code reviews, mentorship, scoping, and long-term maintainability. Participate in on-call support and use data-driven instrumentation to improve system reliability and customer experiences.

Lead engineer responsible for designing, developing, and maintaining secure, scalable payments production systems. Owns production troubleshooting, automation of recurring issues, code development and review, vendor evaluations, and driving engineering best practices across teams to improve operational stability.

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.

Build and own the cloud and edge platform connecting autonomous drones, docks, and customers. Responsibilities include AWS infrastructure as code, backend and desktop applications, offline-first synchronization, OTA fleet updates, CI/CD, monitoring, alerting, video streaming, and reliable networking across remote cattle stations. The role is hands-on, Sydney-based five days per week, with regular domestic and potentially international field deployments.

Develop and launch large, complex software projects, making architectural decisions and addressing high-risk technical challenges. Lead code reviews, documentation, bug fixes, and company-wide engineering initiatives. Collaborate across teams, mentor junior engineers, and apply expertise in one or more programming languages while developing Java proficiency. The role emphasizes autonomy, customer impact, continuous learning, and technical leadership.

Lead complex backend engineering initiatives from technical design through launch. Design architectures, deliver solutions used across teams and products, resolve high-risk issues, establish code review and documentation standards, and influence company-wide technical decisions. Mentor engineers, evaluate performance and reliability trade-offs, and contribute to developer experience and productivity using modern cloud platforms, multiple programming languages, and CI/CD practices.

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.

Leads software engineering for securities services technology, designing, developing, testing, and operating secure, scalable applications. Responsibilities include architecture, production coding, troubleshooting, automation, observability, AI-assisted engineering adoption, data-driven improvements, vendor evaluations, and mentoring engineers. The role requires strong SDLC, cloud-native, resiliency, security, financial services, and enterprise technology expertise.

Graduate software engineers will develop open-source and commercial software across the Linux stack, from firmware, kernels, and drivers to desktop applications, containers, clouds, and Kubernetes. Responsibilities include writing resilient, performant code, contributing to product roadmaps, engaging with users and open-source communities, addressing customer issues, and developing secure software. The role is globally remote with twice-yearly international team sprints and emphasizes mentorship, collaboration, and continuous technical growth.

Build and maintain end-to-end media features across backend, frontend, and mobile, including 360 walkthroughs, hardware integrations, video upload, background processing, transcoding, streaming, and playback. Collaborate with the Ground Capture team on future drone and dock integrations while owning ambiguous technical problems and communicating effectively with non-technical stakeholders.