Top React Jobs in Sydney

Build and ship production-grade agentic AI systems, including multi-agent orchestration, RAG, memory, knowledge graphs, data pipelines, evaluation frameworks, observability, and safety guardrails. Translate customer needs into scalable technical solutions, collaborate with product and people science teams, and continuously improve AI performance, fairness, and reliability in production.

Build and ship high-quality micro-frontend web applications using React and TypeScript. Implement Backend-for-Frontend patterns with Apollo GraphQL and Node.js, create shared design system components, publish NPM packages, deploy on GCP/Aliyun K8s with Cloudflare and GitLab CI/CD, and ensure test coverage using React Testing Library and Cypress. Collaborate with design and frontend guild to reduce technical debt and research new frontend technologies.

Lead and mentor engineers to design, build, and maintain scalable automation and onboarding systems. Implement AI/data-driven risk detection, collaborate with product/ops/compliance, drive architecture and reliability, and improve operational efficiency.

Build and ship production features for Gentu, a cloud healthcare platform used by thousands of clinicians. Responsibilities include making architectural decisions, delivering and operating software in production, debugging issues, improving scalability and observability, and contributing to product and technical direction. The role requires hands-on development with Ruby on Rails, TypeScript/Node.js, React, and AWS, plus strong testing, CI/CD, and AI-assisted development practices.

Leads a compliance engineering squad’s technical execution, architecture, delivery quality, and engineering maturity. Responsibilities include decomposing complex requirements, making system design decisions, reviewing code and architecture, mentoring engineers, establishing testing and code-review standards, managing technical dependencies, supporting hiring and performance reviews, and aligning strategy with engineering leadership. The role focuses on scalable, cloud-native systems and requires strong full-stack development expertise across modern JavaScript technologies.

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.

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.

Own the end-to-end design, development, and production delivery of full-stack digital and AI solutions. Build front-end, back-end, data, integration, and LLM capabilities while ensuring governance, privacy, safety, and clinical standards. Provide hands-on technical leadership, shape ambiguous problems into scalable products, coordinate stakeholders, and support production systems. The role requires advanced Python, React, TypeScript, APIs, microservices, data pipelines, AI workflows, and experience taking AI solutions from prototype to production.

Develop and maintain enterprise-scale WordPress plugins, themes, and React-based Gutenberg blocks. Build secure, performant, scalable code using PHP, JavaScript, SQL, WordPress APIs, and VIP standards. Write automated tests, perform code reviews, configure CI/CD and Docker environments, monitor production performance, and guide technical direction. Collaborate within Agile Scrum teams, mentor developers, estimate work, and support clients across distributed global teams.

The Senior Manager of Solutions Architecture will lead a team supporting pre and post sales processes, ensure technical excellence, and collaborate with sales leadership to grow business.

Build and operate scalable, low-latency APIs, event-driven services, integrations, and web applications supporting membership and loyalty experiences. Integrate and extend Antavo with commerce, CRM, CDP, marketing, and data platforms. Apply distributed-systems, reliability, observability, and security practices; troubleshoot production issues; contribute to reusable engineering assets; and mentor junior engineers.

The Full Stack Software Engineer will develop, integrate, and deploy AI technologies, focusing on building scalable web applications and ensuring a great user experience.

Build and maintain customer-facing and internal web applications (Megaport Portal) using a modern frontend stack. Implement features with Vue 3/TypeScript, ensure accessibility and responsive design, integrate web services, improve architectures and processes, and write unit/integration/end-to-end tests using Playwright and Vitest.

First dedicated site reliability engineer responsible for owning reliability, observability, incident response, and platform decisions. Projects include improving uptime and RTO, hardening GPU clusters, implementing metrics/tracing/alerting and SLOs, and optimizing AWS infrastructure and cloud spend while enabling CI/CD and deployment pipelines.

Contribute to production software systems supporting integrations, workflows, APIs, and internal tools. Build React frontend components, develop REST API and ETL integrations, write automated tests, debug distributed systems, and participate in code reviews and technical discussions. The internship includes mentorship, scoped engineering projects, and a final presentation of outcomes. No prior professional software engineering experience is required, though prior internship or equivalent experience is required.

Own the Android app end to end, including architecture, performance, releases, app store presence, experimentation, and roadmap. Lead and mentor mobile engineers, establish technical direction, and deliver polished native experiences. Partner with engineering and product leadership on growth, onboarding, and retention initiatives. Ship, instrument, measure, and iterate quickly in a PLG and A/B testing environment, while helping scale the mobile team.

Develop and maintain server-side logic using PHP and Craft CMS, support frontend integration, manage databases, and ensure application performance.

Assist in designing, developing, and testing software applications while collaborating with senior developers on various projects. Gain hands-on experience in software development and exposure to programming languages and tools.

As a Senior Technical Consultant, you will assist in application development projects, work with clients on AI, and utilize .NET on Azure along with React/Angular.

As a Founding Engineer, you'll own core product and infrastructure decisions, building scalable software and transformative AI solutions for millions of users.

The Senior Full-Stack Engineer will design, develop, and support complex software systems, collaborating with cross-functional teams and ensuring quality and security in an Agile environment.

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.

As a Full Stack Developer, you will manage end-to-end delivery of projects, participating in agile sprints, and developing features using a diverse technology stack. You will ensure technical quality, collaborate with stakeholders, and support client engagements.

Lead technical delivery across enterprise AI and digital transformation programs. Architect and deploy AI agents, agentic workflows, and cloud-native platforms using Google Cloud and Vertex AI. Oversee full-stack microservices, Terraform infrastructure, CI/CD, API integrations, and technical governance. Mentor engineering squads, establish quality standards, manage technical risks, and collaborate with product, architecture, portfolio, and pre-sales stakeholders. The role requires extensive software engineering leadership in telecommunications or large-scale digital and retail environments.