Top React Jobs in Sydney

The Senior Software Engineer will build scalable backend systems, contribute to full-stack development, collaborate on product features, and ensure code quality through reviews and CI/CD processes.

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 role involves building and maintaining the front-end checkout experience on the BigCommerce platform using React and TypeScript, collaborating with teams for performance and security, and mentoring junior engineers.

Lead a software engineering team focused on data streaming products, driving architecture, mentoring engineers, and collaborating with product management.

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.

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.

The role involves designing, building, and deploying Generative AI solutions, contributing to data analytics, and engaging with clients to solve complex business problems.

Contract product designer to translate Skips brand into a mobile-first borrower app. Map existing features, design targeted UX improvements, produce pixel-precise, interaction-complete components using design tokens and React-ready handoff, and deliver reusable design patterns.

The Engineering Manager oversees engineering teams, ensuring effective delivery on technical projects, resource management, and maintaining system health and coding standards while collaborating with product teams.

The Senior Software Engineer will design, develop, and deploy scalable software solutions while mentoring junior engineers and collaborating with cross-functional teams.

Build end-to-end full-stack systems (quoting, onboarding, installer tools, energy OS including billing, battery optimisation, trading & risk), integrate multiple APIs, work with high-volume time-series data, and leverage AI tooling and agent orchestration to deliver scalable, secure systems while collaborating with energy and product specialists.

The Technical Lead manages engineers, defines technical requirements, oversees delivery outcomes, ensures platform health, and improves engineering practices while collaborating with stakeholders.

Develop and enhance high-performance applications and scalable cloud solutions using Java, Python or C++. Work with distributed systems, streaming platforms (Kafka, Spark, Hadoop), databases, RESTful APIs, microservices, CI/CD tools, and frontend frameworks (React/Angular/Redux). Collaborate across global teams, ensure security/compliance, and manage multiple projects in a fast-paced environment.

Lead Android architecture and infrastructure for Binance mobile apps: design, build, optimize, and maintain high-performance Kotlin/Java applications, create shared libraries and toolchains, collaborate on hybrid JavaScript runtimes, and use profiling and AI-assisted debugging to troubleshoot and improve app performance.

Entry-level mobile engineer role contributing to Android/iOS hybrid apps and frameworks. Develop, test, and optimize production mobile code (Kotlin/Java, JavaScript/TypeScript, QuickJS), collaborate with UI/UX, use profiling and AI-assisted debugging, write documentation, and support deployments under senior mentorship.

Participate in end-to-end fullstack development of internal user-facing applications. Communicate with stakeholders, optimize performance and UX, build reusable developer tools, and collaborate with cross-functional teams to deliver results in a fast-paced environment.

Design, build, test, deploy, maintain and optimize high-performance Android applications and shared libraries. Lead Android infra architecture, collaborate with web teams on hybrid frameworks, write Kotlin/Java code, troubleshoot and profile performance, and evaluate new technologies.

Join a product engineering team building a large-scale Cyber Risk Posture Management platform. Deliver customer-facing features end-to-end, improve system reliability, scalability, and performance, contribute to architecture and code reviews, and collaborate with cross-functional teams while exploring AI/LLM enhancements.

Join the API and Integrations team to build and maintain front-end focused full‑stack features using C#/.NET and JavaScript/TypeScript frameworks. Design, implement, test, and deploy reliable web APIs and interactive UIs, collaborate in agile teams, use data and AI tools thoughtfully, and own feature outcomes and operational quality.

Senior developer responsible for driving development of MYOB's SaaS platform, building web services and integrations, deploying cloud solutions (Azure/AWS), implementing TDD, DevOps, event-driven architecture and CI/CD, and collaborating with the Data & AI team to deliver AI-powered features and scalable, resilient systems.

Lead front-end delivery for SaaS products: define architecture and design systems, implement accessible, performant, and secure React/TypeScript UIs, embed testing and observability, mentor engineers, collaborate with Product and Design, and improve platform/pipeline for developer experience and reliability.

Build and maintain full-stack Splunk applications and services that size cloud infrastructures. Lead UI improvements with React, develop backend services and APIs, design microservices, work with cloud (AWS/GCP/Azure), Docker, and Kubernetes, participate in on-call rotations, and collaborate on design and process improvements to improve team productivity and customer outcomes.

Design, build, and maintain fullstack web application features using .NET and JavaScript/TypeScript; design APIs and data models; ensure reliability, performance, and observability; collaborate in agile teams; use data and AI tools to inform decisions; deliver end-to-end from design through production and mentor others.

Design, build, and maintain customer-facing web applications across frontend and backend. Collaborate in agile teams, balance speed and quality, use data and AI tools to inform development, own features end-to-end, and improve system reliability and performance.