Top React Jobs in Sydney

Customer-facing engineering role building and deploying AI-powered observability solutions. Ship backend and full-stack integrations, instrument telemetry, configure cloud/kubernetes deployments, and convert field learnings into reusable artifacts and product feedback.

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.

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.

Design, develop, test, and deploy full-stack web applications and APIs to support investment management, portfolio operations, reporting, and business workflows. Build backend services, optimise SQL and database performance, integrate systems via APIs, contribute to cloud modernization, participate in architecture and code reviews, and improve application performance, security, and maintainability while collaborating with product and investment teams.

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.

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.

Own and evolve the AI-native platform and developer experience: build CI/CD, build/test/deploy loops, agent-safe sandboxes, cloud infra and cost controls, SLOs and observability, incident response, and platform capabilities that multiply engineering productivity across teams.

Lead two product teams as a hands-on engineering manager: own sprint execution, production readiness, platform stability, and engineer development. Contribute code across Elixir/Phoenix backend and React/TypeScript frontend, set AI-assisted development norms, run triad collaboration with product and design, and improve delivery predictability and on-call posture.

The Front-end Engineer will develop high-quality user interfaces using React and TypeScript, enhance design systems, and optimize application performance while collaborating with design and product teams.

As a Senior Software Engineer at Fetch, you'll build AI-driven products to improve pet health, mentor engineers, and develop event-driven architectures. You'll collaborate with teams to deliver impactful features and ensure reliability and observability in the systems you create.

Join Fetch as a Software Engineer to build AI-driven products that enhance pet health and streamline veterinary care, working with a collaborative team.

Own monetisation and activation end-to-end: subscriptions, paywalls, billing, onboarding and first-use activation. Build analytics and experimentation foundations (events, funnels, A/B tests). Integrate with payment providers and handle failure modes (declines, webhooks, disputes). Drive data-informed experiments to improve funnel and revenue.

Own and build enterprise identity and tenancy: implement SAML/OIDC federation and SCIM provisioning, design self-serve tenancy (orgs, seats, roles, entitlements), create audit/admin surfaces (access logs, session policy, de-provisioning), and partner on rollouts to ensure frictionless enterprise deployments.

Lead technical direction for AI-native agent products, solve high-leverage engineering problems, improve reliability and evaluation, partner with product and customer teams, mentor engineers, and ship production-grade autonomous agent features rapidly.

Lead a 4–8 person AI-native engineering team to deliver production agent orchestration features. Coach engineers on product thinking, agentic workflows, and eval practices; remain hands-on in code, ensure quality and reliability, run postmortems, and hire top talent.

Build and ship AI-native, agentic products end-to-end: design LLM-powered workflows, prototype with frontier models, collaborate with product/design/customers, ensure reliability through continuous shipping and on-call ownership, mentor engineers, and iterate based on customer feedback to scale intelligent agents into production.

Lead and scale globally distributed engineering teams, define technical vision and roadmaps, architect and operate internet-scale distributed systems, drive agile continuous delivery practices, elevate engineering quality and culture, and communicate technical strategy across product and executive stakeholders.

Design and execute manual and automated test strategies for Sentral and StudentPayPlus. Build and maintain Selenium-based frameworks, perform API and database testing (MSSQL, Cosmos DB), track defects, collaborate with product and development teams in Agile/CI/CD environments, and drive QA process improvements.

Technical lead responsible for designing and owning scalable, resilient cloud systems for conversational search and content intelligence. Build event-driven architectures, embed DevSecOps, optimize CI/CD and AWS costs, guide Generative AI/RAG integrations, write Node.js/TypeScript backend services, mentor engineers, and collaborate with product and design to balance delivery and architectural health.

Design, build, and operate resilient, secure, cost-efficient cloud backend services for conversational search and content intelligence. Own distributed systems, CI/CD, DevSecOps, FinOps, and integrate Generative AI/RAG workflows (e.g., AWS Bedrock) using Node.js/TypeScript on AWS.

Lead technical support engineering for enterprise customers: perform deep debugging across polyglot stacks, troubleshoot Sentry SDK implementations, build deterministic agentic support systems using MCP and Sentry APIs, and drive automation and product feedback loops. Act as technical lead for AI-enabled support tooling and liaise with product teams to prioritize platform fixes.

Lead design and ship the frontend architecture for a Portable Platform enabling React code to run across web, iOS, and Android. Own web implementations of shared components, guide the React Web to React Native migration, promote SSR and React Server Components where relevant, upskill hundreds of frontend engineers, and remain hands-on with code, design docs, and reviews.

Lead the frontend architecture for a portable React platform that runs on web, iOS, and Android. Design and ship web runtime implementations, guide the React Web → React Native transition, influence hundreds of frontend engineers through patterns, docs, and reviews, and remain hands-on with code, performance, SSR, and React Server Components.