Top React Jobs in Sydney

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.

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

Build and maintain front-end features with React and TypeScript, refactor legacy code, fix issues across the stack, collaborate with PMs and designers, conduct code reviews, mentor peers, improve developer experience, and drive performance, reliability, and security improvements.

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 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.

Build high-performance, scalable web payment experiences using React and TypeScript. Design reusable UI components and shared frontend libraries, optimize performance, integrate RESTful APIs, collaborate cross-functionally, and promote frontend best practices including testing, accessibility, and architecture.

Join a small cross-functional team to build a 0➜1 product. Work across the full stack from design to deployment, architect scalable infrastructure, implement engineering best practices, ensure security, reliability and performance, and collaborate closely with founders to rapidly deliver customer-focused features.

Work with a small engineering team to write, test, and ship production-ready code across front-end and back-end (React, Node.js). Collaborate with stakeholders, support QA, customer onboarding and deployments, learn from the Lead Engineer, and contribute to product features with autonomy in a hybrid startup environment.

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.

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.

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

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.

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.

Build and optimize high-traffic, responsive web applications and hybrid in-app pages. Implement user-facing features, improve performance and scalability, and create libraries/frameworks to accelerate development and enhance code quality.

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.

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.

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.

Customer-facing engineer who onboards and integrates HappyRobot's AI platform, builds full‑stack features (React/TypeScript/Node, Python), implements and iterates on AI/ML (LLM prompting, transcribers, voice tuning), manages APIs/integrations, and partners cross-functionally to deliver scalable solutions under tight deadlines.

Join Escrow.com as a Senior Full Stack Software Engineer, tackling complex web applications and scalable features with diverse tech using Python, React.js, and AWS.

Work on the Growth team to rapidly design, build and iterate front-end experiments that validate activation ideas. Implement MVP tests, instrument analytics, choose the shortest technical paths, prioritize experiments, and ship quickly within an autonomous pod.

The Software Engineer will design and implement cloud-native applications, build APIs, work with databases, and collaborate with teams for innovative development.

The Senior Software Engineer will enhance the developer experience, drive product development, and lead cloud-native architecture initiatives, collaborating across teams to deliver high-quality software.

As a Frontend Engineer, you'll develop web applications, ensure code quality, implement functionality, and collaborate with the team on various software projects.