Top Software Engineer Jobs in Sydney

Design, build, and maintain scalable, high-performing frontend systems and user interfaces. Collaborate with engineers, designers, and managers to solve user problems; lead technical design, implementation, launches, code reviews, documentation, and complex fixes. Mentor engineers, contribute to frontend testing and release practices, and help deliver reliable software across Atlassian’s cloud product suite.

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.

Design, build, test, deploy, and operate secure, scalable production software and services. Partner with customers and stakeholders to translate business needs into technical solutions, lead technical workstreams, establish engineering best practices, and deliver reusable components. The role also involves applying AI and LLM technologies, collaborating across disciplines, and traveling up to 25%.

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.

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.

Designs, deploys, and operates secure, scalable AWS and Kubernetes environments for enterprise customers. Builds infrastructure-as-code automation, CI/CD pipelines, observability, and production release processes. Troubleshoots Linux, containers, networking, and distributed systems while improving reliability, security, and performance. Partners directly with customers and internal teams on technical requirements, deployment architecture, incident resolution, and continuous improvement.

Design, develop and maintain backend APIs for various services, optimize performance, and collaborate with teams for product strategy alignment.

Build and maintain Lumi’s lending, risk management, and customer service systems using TypeScript and React. Collaborate with engineering, product, design, and business teams; develop scalable and maintainable technical solutions; participate in code reviews and agile ceremonies; improve platform performance and reliability; and explore AI technologies that enhance customer outcomes, processes, and engineering productivity.

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.

Designs, develops, tests, and maintains scalable software for Walmart’s Atlas warehouse management platform. Collaborates with product and UX teams to translate requirements into technical solutions, troubleshoots production issues, performs root cause analysis, supports CI/CD automation, monitors application performance, and evaluates changes. The role also involves mentoring small engineering groups, supporting business users, and delivering secure, high-quality software integrating warehouse operations, robotics, and automation.

Build and maintain scalable data systems that normalize vendor and proprietary market data for trading and research. Calculate bars, residuals, curves, volatility surfaces, greeks, and other derived analytics from streaming and large-scale datasets. Collaborate with traders, researchers, vendors, and APAC teams; provide production support, document technical methodologies, and develop thoroughly tested solutions.

Build and maintain platform products, internal tools, and shared services across the stack. Develop frontends, backend services, APIs, CI/CD pipelines, observability, testing, and integrations. Collaborate on secure, scalable designs, support incidents, contribute documentation, and improve developer experience and platform consistency.

Design, develop, and support production-grade trading applications, APIs, distributed systems, web tools, deployment automation, and workflow platforms. Build scalable, observable, resilient software for traders, researchers, operations teams, and engineers. Collaborate with stakeholders, contribute to architecture, automate deployment and operational processes, and support systems across global production environments. The role emphasizes reliability, performance, maintainability, cloud technologies, and ownership throughout the software lifecycle.

Design, prototype, implement, test, deploy, and improve scalable intelligent software systems using agentic coding tools. Build multi-agent workflows with coordination and dynamic task execution, establish observability and traceability, and improve systems through real-world feedback. Collaborate across business, product, and engineering teams, contribute to AI-native development practices, and train others on agentic application development.

Develop, deploy, maintain, support, and improve Salesforce Financial Services Cloud platforms. Collaborate with product owners, delivery leads, analysts, and cross-functional teams to deliver reliable, scalable member solutions. Apply agile methodologies, create technical documentation, optimize platform performance, and implement enhancements using Apex, LWC, Visualforce, JavaScript, and flows. The role requires Salesforce development experience and mandatory Salesforce Administrator and Platform Developer I certifications.

Leads secure software architecture and development for scalable, cloud-native enterprise systems. Designs application security controls, frameworks, and threat-modeling practices; establishes coding and testing standards; oversees DevOps, monitoring, telemetry, and defect management. The role also provides technical direction for AI security initiatives, translates business requirements into secure solutions, and collaborates with cross-functional stakeholders to improve system resilience and data protection.

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.

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.

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.