Top Software Engineer Jobs in Sydney

Lead the architecture and development of scalable digital archive infrastructure for massive multimedia datasets. Build AI-powered content enrichment and discovery products, design distributed systems and cloud integrations, mentor engineering teams, and communicate technical decisions to executives and stakeholders. The role also involves digital preservation, media asset management, DevOps, and security assessment practices.

Develop and maintain FPGA firmware and embedded software for quantum sensors, including timing-critical DSP pipelines, calibration routines, data capture, DMA transfer, and embedded Linux integration. Build simulation and hardware-in-the-loop testing, investigate system-level issues, support CI/CD validation, and contribute to sensor architecture, reliability, documentation, and field deployment alongside research scientists and engineers.

Own important user-facing product areas end to end, from ambiguous direction through architecture, implementation, production rollout, measurement, and ongoing improvement. Build across frontend, backend, APIs, infrastructure, native clients, and AI systems. Use AI coding agents, observability, automation, testing, and evals to increase safe autonomy and reduce recurring manual work while maintaining production reliability and product judgment.

Leads a small autonomous engineering squad and owns end-to-end technical delivery for a product domain. Designs and builds scalable, reliable, secure SaaS applications using microservices and event-driven architectures. Makes architectural decisions, drives deployment and optimization, collaborates with product and design, promotes testing, CI/CD, observability, and secure coding, and mentors engineers through technical guidance and peer reviews.

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.

Build systems, tooling, and deployment workflows to package, validate, and deliver Voyage embedding models across cloud providers and third-party environments. Improve model server performance, ensure deployment correctness and observability, debug cross-stack issues, and collaborate with model-serving teams and external partners for reliable production deployments.

Design and build secure, scalable Java and Spring Boot microservices. Support the full software development lifecycle, including configuration, testing, deployment, and production support. Develop technical architectures, explain trade-offs to stakeholders, coach team members, and contribute to documentation and delivery quality. The role is a nine-month fixed-term contract, open to candidates anywhere in Australia.

Lead console development for an unpublished game. Collaborate across teams, solve technical problems, optimize performance, and mentor new engineers.

Develop and deliver full-stack software features across the lifecycle using Go, Java, Node.js, TypeScript, and React. Design scalable systems, improve performance and reliability, apply engineering best practices, and contribute to architecture. Own moderately complex work from design through deployment with minimal supervision. Review code, mentor junior engineers, participate in interviews, collaborate with peers, and independently solve technical challenges. Kubernetes and Terraform exposure is valued but optional.

Design, build, maintain, and support trading and platform systems used for research, execution, risk management, and global market connectivity. Improve production systems, automate workflows, apply AI, contribute to architecture and technical design discussions, and collaborate closely with traders and engineering teams.

Designs and maintains backend services, RESTful APIs, integrations, event-driven solutions, and React applications. The role emphasizes C# and .NET backend development, with frontend work in React, automated testing, code reviews, CI/CD, scalable architecture, and independent technical research. The engineer collaborates cross-functionally to deliver maintainable legal technology products and contributes to improving engineering practices, tooling, and standards.

Build and maintain HEO Inspect, a cloud-based non-Earth imaging data and insights platform. Responsibilities include developing backend-focused fullstack features, creating responsive interfaces and visualizations, automating space operations, deploying R&D algorithms to production, and delivering web applications, APIs, and integrations that meet customer needs.

Join Elafent as a Graduate Software Engineer to create scalable and elegant software for our cloud SaaS platform. Work on various development areas, collaborate with a proactive team, and enjoy a healthy work/life balance.

Develop scalable backend services and APIs, create coding tasks and deterministic verifiers for AI systems, debug complex codebases, optimize performance, refactor legacy systems, implement features, and provide technical reviews and reasoning. The role is remote, contract-based, and part-time at 15–20 hours per week.

Build and ship AI-first customer support software end-to-end. Own production features, integrate and work with coding agents, design tooling and feedback systems, and shape UI/UX and data models. Collaborate across a small, high-calibre team to solve large-scale support problems for fintech, healthtech, and marketplace customers.

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 on architecture, requirements, troubleshooting, documentation, and defect resolution. Contribute to Agile delivery, automated testing, CI/CD, process improvement, and technical workstream leadership while ensuring reliable, high-quality software.

Develop scalable software for a global travel platform using JavaScript, TypeScript, React, Node.js, PostgreSQL, APIs, and microservices. Collaborate with product and design teams, implement third-party integrations, monitor system reliability, apply testing and CI/CD practices, and provide technical leadership through mentoring and code reviews. This is an in-person role based in the company’s Barangaroo office in Sydney.

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.

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.

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.

Build full-stack features, APIs, backend services, and frontend experiences for an AI legal risk management platform. Develop and structure risk insights delivered through MCP, integrate with LEAP’s AI ecosystem, and prototype LLM-powered capabilities. Contribute to architecture, reliability, observability, performance, and end-to-end feature delivery while collaborating closely with a startup-style team.

Design, implement, and deliver mission-critical low-latency trading systems in modern C++ on Linux. Build scalable services, participate in Agile development, design sessions, and code reviews, and collaborate with traders and quantitative researchers. Troubleshoot complex issues across teams while applying distributed systems, algorithms, data structures, object-oriented design, and multithreaded programming.

Design and develop scalable, secure frontend web applications for connected embedded systems. Lead frontend architecture, collaborate with backend/embedded teams, implement device provisioning, telemetry visualization, and remote management UIs. Optimize performance, accessibility, and maintainability; mentor engineers, participate in reviews, and drive frontend best practices.

Evaluate AI coding agents such as Codex, Claude Code, and Cursor for engineering judgment, response quality, reasoning, explanations, and user guidance. Provide clear written feedback and recorded video assessments, distinguish response-quality levels, and help define standards for excellent AI-assisted development interactions. This is a flexible remote contract role focused on evaluation rather than production coding.