Top React Jobs in Sydney

The Staff Software Engineer will architect scalable solutions, optimize systems, mentor juniors, and drive technical vision while engaging in hands-on coding.

As a Software Engineer II at Eucalyptus, you will develop and enhance their telehealth infrastructure, collaborating with a cross-functional team and ensuring high-quality software delivery.

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.

The Senior Fullstack Engineer will deliver software products, collaborate with product and business teams, lead technical practices, and ensure high-velocity iteration on a mobile advertising platform.

Technical Product Owner for DeFi products responsible for translating protocol and infrastructure complexity into clear product requirements and consumer-grade UX. Requires 3-5+ years DeFi product experience building 0-to-1 products, deep on-chain knowledge (account models, RPC/indexer reliability, cross-chain), familiarity with wallets and core DeFi scenarios, a full-stack/backend technical background, cross-functional collaboration, measurable user-growth experience, bilingual Mandarin/English, and strong smart-contract security mindset.

Develop and maintain Java backend services for enterprise blockchain applications, integrate APIs with React/Vue frontends, design scalable blockchain solutions, troubleshoot complex backend issues, and collaborate with cross-functional teams while staying current with blockchain best practices.

Lead engineering for Consumer Intelligence & Engagement, owning personalization, content management, product discovery, promotions, and communications. Define technology strategy, architecture, and AI integration; ensure GraphQL/APIGEE APIs, SFCC and Sanity implementations, performance, testing, and platform health. Build and mentor senior engineering teams, partner with product and business stakeholders, and drive delivery, standards, and experimentation across DTC commerce capabilities.

Lead platform engineering for consumer web and mobile experiences, set technology vision and standards, own frontend architecture, component library, observability and performance, drive AI/LLM integration, govern vendor delivery, and grow a lean senior engineering team to deliver fast, accessible, and scalable DTC digital experiences.

Lead APAC support engineers as part of a global support leadership team. Provide technical guidance, runbooks, and coaching; handle escalations; collaborate with Product and Engineering to convert support signals into product improvements; participate in tickets to stay technically current; maintain shared standards and cross-timezone handoffs; join on-call lead rotation.

Join Dragonfly's talent network as a Senior Frontend Engineer. Connect with global portfolio companies in the crypto ecosystem.

As a Senior Software Engineer, you will design scalable software, collaborate with cross-functional teams, and build features for telehealth experiences while mentoring team members.

Embed with enterprise clients to design, build and operationalize agentic AI solutions in production: architecture, production code, retrieval pipelines, agent orchestration, governance, observability, enterprise integration, cutover, handover and escalation support while producing reusable patterns and accelerators.

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.

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.

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.

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.

Develop and enhance frontend components of React-based applications, optimize UI/UX, and collaborate on backend integration while participating in agile cycles.

Develop, customize, and maintain websites using WordPress and custom stacks. Integrate APIs, implement UI/UX, manage backend development, and ensure technical SEO and site performance.

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.

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.

Drive adoption of Supabase by leading technical discovery, designing solutions, running proofs-of-value, onboarding, and providing ongoing architecture, database, and performance guidance for Team and Enterprise customers.

Own a portfolio of strategic enterprise accounts, architect and optimize large-scale Postgres/Supabase deployments, lead migrations, advise on security/compliance and AI/vector workloads, drive executive engagement, and influence product roadmap while providing pre-sales technical support.