Top Software Engineer Jobs in Sydney

Build and maintain trading applications, risk tools, data platforms, dashboards, and workflow automation for APAC trading desks. Collaborate with traders and global engineering teams to deliver production-grade solutions, translate business needs into technical systems, and support applications during APAC market hours. The role involves data-intensive systems, operational workflows, production troubleshooting, and end-to-end feature ownership in a regulated trading environment.

Build backend services and financial workflows connecting cash, yield, lending, payments, card spending, and collections. Develop reliable infrastructure, reconciliation controls, ledgers, APIs, integrations, automated tests, observability, and production services. Collaborate with product, infrastructure, design, and engineering teams to deliver scalable, maintainable financial systems from design through production. The role is based in Sydney and involves shaping the technical foundations of a new business accounts platform.

Develop backend software for Atlassian products, independently driving projects from technical design through launch. Responsibilities include applying architectural standards, coding primarily in Java, reviewing code, fixing complex bugs, writing documentation, and mentoring junior engineers. Candidates need experience with a prominent programming language, strong data structures knowledge, collaboration skills, and a willingness to learn.

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.

Build and evolve strategic AI features across the software development lifecycle, including Jira Coding Agent and Autodev. Partner with a feature team to increase agent adoption and invocation, applying strong full-stack engineering skills with a backend focus and product-oriented mindset.

Build backend systems for Airwallex’s Business Accounts and Yield products. Own investment workflows including signup, investment, and redemption, while developing reconciliation controls, unit registries, and investment ledgers. Shape distributed-systems architecture, APIs, integrations, observability, and automated testing. Collaborate with Product, Infrastructure, Design, and external investment providers to deliver reliable financial infrastructure. This role is based in the Sydney office three days per week.

Build and ship AI-first customer support software from concept to production. Own complex engineering problems across UI/UX, product capabilities, and data models while working closely with coding agents. Develop tooling and feedback systems that improve agent effectiveness, apply sound engineering judgment, and contribute to a fast-moving startup environment.

Develops end-to-end full-stack features for the Customer Experience team. Owns complex frontend and backend initiatives, shapes service architecture, establishes engineering standards, improves reliability and efficiency, and collaborates with product, business, and customer stakeholders. Requires strong TypeScript, React, Node.js or NestJS, web architecture, API, database, microservices, DevOps, and cloud deployment expertise.

Develop backend processes, RESTful APIs, and web applications using PHP or similar languages. Research technologies, design complete solutions, optimize performance and scalability, integrate projects into the application, and improve engineering systems and processes. Collaborate with JavaScript developers and UI designers while contributing technical leadership and maintaining a service-oriented team culture.

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.

Design, develop, deploy, and support AI-powered applications and services using generative AI, machine learning, cloud platforms, APIs, and data pipelines. Translate business needs into scalable architectures, optimize AI systems, troubleshoot performance issues, and incorporate security, privacy, governance, and responsible AI practices. Collaborate with technical and business stakeholders, evaluate emerging technologies, contribute to standards, and mentor team members.

Build and maintain cloud-native applications and services supporting data, analytics, and AI solutions. Develop scalable software using modern engineering practices, deployment pipelines, and cloud platforms. Collaborate with data engineers and data scientists to deliver reliable, observable, production-ready products. Contribute to architecture decisions, integrations, platform engineering, monitoring, performance optimization, and ongoing operations across dentsu and client cloud environments.

Build and maintain cloud-native applications and services supporting data, analytics, and AI solutions. Develop scalable software using modern engineering practices, deployment pipelines, and cloud platforms. Collaborate with data engineers and scientists to deliver reliable, observable, production-ready systems. Contribute to architecture decisions, integrations, security, cost optimization, monitoring, and performance improvements across development and production environments.

Build, test, and maintain backend services and APIs supporting Megaport’s global connectivity platform. Work with Java, Kotlin, Spring Boot, databases, messaging, caching, Kubernetes, and AWS. Translate business requirements into reliable technical solutions, collaborate with engineering and product stakeholders, participate in code reviews and mentoring, and improve architecture, processes, and technical debt.

Designs, develops, tests, deploys, and maintains secure, scalable GIS software applications across digital platforms. Translates business requirements into technical solutions, collaborates with stakeholders, supports releases, identifies delivery and quality risks, documents systems, and contributes to integration and architecture. The role requires hands-on GEV SmallWorld and GSS coding, full-stack development experience, modern web technologies, CI/CD with Kubernetes and Jenkins, and Scrum experience.

Build and scale an enterprise AI Workspace through responsive React applications, Node.js and Python backend services, Azure deployment, enterprise authentication, AI integrations, and secure CI/CD practices. Create Power BI dashboards, data models, DAX measures, and Power Query transformations, while integrating reports with enterprise applications. Collaborate in Agile, DevOps-oriented global teams to deliver scalable, maintainable software and actionable business intelligence.

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.

Build scalable backend and frontend services for MongoDB’s application modernization platform. Develop APIs, data pipelines, code analysis tools, dependency graphs, and schema recommendation features. Collaborate with product, engineering, and design teams; contribute to architecture, testing, CI/CD, code reviews, troubleshooting, and technical documentation. Senior engineers will mentor teammates, lead complex feature design, and support recruiting and interviewing.

Lead design and delivery of scalable, cloud-native platform capabilities and ML-integrated applications. Oversee full SDLC, architecture, reliability, CI/CD, observability, and incident response. Provide technical leadership, mentor engineers, collaborate with stakeholders, and drive continuous improvement to support high-availability distributed fulfillment systems.

Build scalable backend services, APIs, microservices, and event-driven solutions supporting personalization, recommendations, search, and AI-driven consumer experiences. Integrate AI/ML capabilities, develop React components, implement search using Elasticsearch or OpenSearch, and work with Kafka, databases, Redis, and cloud-native architectures. Ensure systems are secure, observable, resilient, and low latency while collaborating with AI/ML, data, and engineering teams.

Build and operate scalable backend APIs, microservices, and integration services powering personalization, recommendations, search, and AI-driven consumer experiences. Own features from design through deployment, monitoring, and support. Collaborate with AI/ML and data engineering teams, improve service performance and reliability, contribute to system design and engineering standards, and mentor junior engineers.

Build and enhance full-stack, consumer-facing web applications for AI-driven product discovery, search, recommendations, and personalization. Develop reusable React components, integrate APIs and microservices, support backend services, and work with AI/ML and data teams. Contribute to scalable, secure, observable, and reliable solutions using search platforms, cloud services, databases, caching, and event-driven architectures. Collaborate cross-functionally with engineering, product, and design teams to deliver engaging digital experiences.

Build and enhance consumer-facing full-stack web applications for AI-driven product discovery, search, recommendations, and personalization. Develop React and TypeScript interfaces, integrate APIs and microservices, contribute to Java and Spring Boot backend services, and improve performance, accessibility, scalability, reliability, and observability. Collaborate with AI/ML, data, backend, product, and design teams while participating in design and code reviews and using AI-assisted engineering tools.

Lead development of AI-powered information security tools, internal infrastructure, threat-hunting and remediation systems. Build and maintain Kubernetes clusters, serverless workloads, ETL pipelines, and large-scale log-processing infrastructure. Partner with engineering teams to automate security outcomes, support incident response, and reduce risk. Mentor software engineers and independently own technical roadmaps and project delivery.