Top Software Engineer Jobs in Sydney

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.

Forward Deployed Software Engineers work with clients to solve critical problems using data, employing strong coding skills in various programming languages to develop solutions.

Build full-stack, low-latency trading and pricing tools for options traders. Collaborate with traders, researchers, and business stakeholders to design intuitive frontends and scalable backend services, prototype and productionize distributed systems, and expand trading capabilities globally while improving performance, stability, and usability.

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.

As an FDSE Intern, you'll collaborate with teams to address complex data challenges, develop software solutions, and engage directly with customers to drive impactful results.

As a Software Engineer Intern, you'll create tools for trading strategies, develop research platforms, and collaborate in small teams.

Looking for a Software Engineer to build scalable backend and APIs, collaborate on modernisation tools, and contribute to code analysis. Requires strong skills in Python/Java and relational data modelling.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

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.

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.

The Senior iOS Engineer will lead key engineering decisions, actively ship production code, and enhance the app architecture, ensuring a great user experience.

Join Speechify's AI team as a Software Engineer responsible for data collection and infrastructure management to enhance model training operations.

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 Mako’s graduate engineering programme to develop and maintain a low-latency, real-time derivatives trading system written in C++ on Linux. Responsibilities include implementing algorithms, pricing models, interfaces, and trading connectivity while collaborating with traders and engineers in Agile teams. Graduates receive structured training, mentorship, and practical experience with automated trading strategies, software development, testing, networking, and performance optimization.

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.

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.

Build and extend security detection and remediation pipelines in Go and Python. Solve distributed-systems challenges involving deterministic pull-request checks, idempotent scan orchestration, and fair queuing across thousands of repositories. Deliver typed, tested, reviewed, and continuously deployed code that provides actionable fixes in engineers’ pull requests. The role requires strong programming fundamentals, production distributed-systems experience, sound engineering judgment, and curiosity about application security.

Designs, develops, tests, and maintains secure, scalable software applications supporting HUB24’s core platform and digital capabilities. Responsibilities include resolving technical issues, contributing to system design and planning, maintaining documentation, participating in Agile ceremonies, meeting delivery and quality standards, and supporting continuous improvement. The role requires Microsoft .NET and web development experience, relational databases, CI/CD, automated testing, and collaborative problem-solving.

Build and maintain full-stack software for legal practice management applications. Responsibilities include developing responsive front-end applications with JavaScript or TypeScript, building C#/.NET backend services and APIs, integrating LLMs and emerging AI tools, collaborating on cloud deployments, contributing to architecture, writing tests, fixing bugs, and participating in agile delivery.

Own production reliability across Dataro’s React, Python, and AWS stack. Build observability, monitoring, alerting, SLOs, and error budgets; lead incident response, resolution, and blameless postmortems. Contribute to architecture decisions involving scalability, resilience, and disaster recovery, automate operational toil, and implement reliability fixes across backend and frontend code. Collaborate with engineering, product, and data science while supporting on-call operations.

Develop, test, deploy, and operate machine learning pipelines and AI products using Python, SQL, cloud platforms, and infrastructure-as-code tools. Build generative AI and traditional ML solutions, prototype proofs of concept, analyze data quality and coverage, and support dashboards and reporting. The role follows agile engineering practices, including test-driven development, continuous delivery, pair programming, and shared DevOps ownership.

Develop full-stack web interfaces and backend architecture for neurotechnology applications; implement neural signal processing pipelines (EEG), integrate machine learning models for neurophysiological data analysis, maintain acquisition/processing software, participate in code reviews, document technical processes, and work independently within a small, research-driven startup.