Top React Jobs in Sydney

Design, build, and maintain scalable, high-performing frontend systems and user interfaces. Collaborate with engineers, designers, and managers to solve user problems; lead technical design, implementation, launches, code reviews, documentation, and complex fixes. Mentor engineers, contribute to frontend testing and release practices, and help deliver reliable software across Atlassian’s cloud product suite.

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.

Build and maintain frontend platforms and tooling for Canva’s content management system. Design, develop, and deploy solutions using modern frontend technologies while collaborating with product managers, designers, engineers, and users. Work on localization, experimentation, user experience, accessibility, and performance capabilities. Contribute to architecture, technical documentation, code reviews, cross-team collaboration, process improvement, and mentorship.

Lead the greenfield development of Challenger’s React digital platform. Own React architecture, engineering standards, reusable component libraries, API and BFF integrations, CI/CD pipelines, quality controls, security, performance, accessibility and observability. Provide hands-on coding, code reviews and technical leadership while influencing internal teams and delivery partners. Collaborate with Product, Architecture, Design, Security and Accenture teams to establish scalable digital portal foundations and grow internal React capability.

Develop and maintain enterprise-grade C# and .NET applications, RESTful APIs, event-driven microservices, and distributed systems on AWS. Design PostgreSQL schemas, optimize queries, and support high-volume workloads across the full software development lifecycle. Collaborate with product owners and architects while meeting compliance, security, resiliency, and service-level requirements. Use and evaluate AI-assisted development tools responsibly for coding, testing, refactoring, documentation, and automation.

Own and ship end-to-end product surfaces using Next.js/TypeScript and FastAPI/Python. Raise frontend quality, optimize performance for data-dense UIs (3D playback, time-series, maps), build mobile-friendly dashboards, and implement backend APIs, data models, and jobs. Iterate quickly with customers and own outcomes.

Design, build, and maintain full-stack solutions that productionize data science and analytical work, from data pipelines to user-facing features. Establish strong engineering practices around architecture, testing, and code quality; collaborate with data scientists and analysts; and contribute to cloud-native infrastructure and data engineering. The role also requires effective communication across disciplines, adaptability in ambiguous environments, and regular use of AI-assisted development tools.

Design and build consumer app and partner platform experiences from concept through release. Responsibilities include UX and visual design, prototyping, frontend development with React and TypeScript, design system improvements, accessibility, responsive interfaces, AI-assisted exploration, and refining products based on user feedback. The role requires close collaboration with design, brand, product, and engineering teams, with ownership of detailed, intuitive digital experiences.

Architects, develops, troubleshoots, and configures Sitecore solutions to achieve customer business outcomes. Provides strategic technical advisory, hands-on proof-of-concept development, and project support while building trusted customer relationships. Collaborates with partners, account executives, customer success teams, and internal stakeholders. Mentors colleagues and translates complex technical concepts for IT and marketing audiences. Expertise may span SitecoreAI, XM/XP, Content Hub, CDP, Personalize, Search, headless technologies, containers, cloud platforms, infrastructure, DevOps, and integrations.

Own and improve the reliability, quality, governance, and observability of the company’s internal data platform. Build production data pipelines and integrations, implement testing and validation, document lineage, enable self-service analytics, and automate operational support. Collaborate with product engineers, delivery teams, and data specialists while using AI-assisted development tools to improve data engineering practices.

Own backend-heavy full-stack product surfaces from architecture and delivery through production operations. Responsibilities may include answer retrieval and verification, identity and billing, public APIs, integrations, and AI-powered workflows. The role requires operational ownership, observability, performance management, incident response, clear written communication, and close product collaboration. The engineer will work remotely from Sydney with the New Zealand engineering team.

Serves as the hands-on technical lead for Canva’s Video Editor team. Responsibilities include setting technical direction, reviewing designs, integrating a native video rendering engine, developing a video-specific data model, and owning operational performance after launch. The role also establishes engineering standards through code review and mentoring while collaborating across audio, video, effects, and AI teams.

Lead technical delivery and client-facing workstreams, guide and code with teams using TDD, CI, and DevSecOps; design pragmatic solutions, mentor engineers, and ensure high-quality continuous delivery from ideation to production.

Build and maintain Lumi’s lending, risk management, and customer service systems using TypeScript and React. Collaborate with engineering, product, design, and business teams; develop scalable and maintainable technical solutions; participate in code reviews and agile ceremonies; improve platform performance and reliability; and explore AI technologies that enhance customer outcomes, processes, and engineering productivity.

Own Dovetail’s marketing website end to end, from architecture and reusable components to high-quality responsive experiences. Build content systems, page-generation workflows, experiments, analytics, lead integrations, and AI-assisted tools. Improve performance, accessibility, SEO, reliability, testing, and deployment workflows while partnering with Marketing, Creative, Growth, and Engineering. This hands-on senior individual contributor will set technical direction, review code, document standards, and ship production fixes directly.

Develop scalable full-stack software through hands-on coding, testing, debugging, and troubleshooting. Lead technical discussions, independently deliver medium-sized projects, improve engineering practices, and mentor junior engineers. Collaborate with product managers, stakeholders, and engineering teams while contributing to architecture, maintainability, and company objectives. The role primarily emphasizes backend development using Node.js, microservices, cloud services, CI/CD, TypeScript, GraphQL, WebSockets, Pub/Sub, PostgreSQL, and Elasticsearch, with frontend experience preferred.

Own core product surfaces from concept through launch, creating high-fidelity coded prototypes and improving the coss ui design system. Collaborate asynchronously with product and design engineering, emphasizing accessibility, web standards, interaction details, evidence-based decisions, and reusable component architecture. Frame hypotheses, measure outcomes, document decisions, incorporate critique, and deliver prototypes that engineers can implement directly.

Build and maintain frontend performance monitoring SDKs, dashboards, CI/PR checks, data pipelines, and developer tools. Use OpenTelemetry and real-user data to identify performance regressions, statistically evaluate changes, and improve web performance at scale. Partner with platform and infrastructure teams, investigate bottlenecks with profiling tools, and communicate findings to technical and executive stakeholders while guiding engineering practices.

Lead the design, development, deployment, and operation of a Gen3-based research data platform on Google Cloud Platform. Responsibilities include coordinating single-cell omics and clinical-data ETL workflows, developing integrations with analysis tools, managing Kubernetes, Terraform/OpenTofu, and CI/CD infrastructure, gathering stakeholder requirements, contributing code and architecture decisions, improving developer tooling, and mentoring team members.

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.

Build and maintain platform products, internal tools, and shared services across the stack. Develop frontends, backend services, APIs, CI/CD pipelines, observability, testing, and integrations. Collaborate on secure, scalable designs, support incidents, contribute documentation, and improve developer experience and platform consistency.

Design, develop, and support production-grade trading applications, APIs, distributed systems, web tools, deployment automation, and workflow platforms. Build scalable, observable, resilient software for traders, researchers, operations teams, and engineers. Collaborate with stakeholders, contribute to architecture, automate deployment and operational processes, and support systems across global production environments. The role emphasizes reliability, performance, maintainability, cloud technologies, and ownership throughout the software lifecycle.

Provides technical support for SharePoint, Microsoft 365, Office, Teams, OneDrive, Exchange Online, and Copilot. Responsibilities include investigating and resolving complex customer issues, troubleshooting identity, permissions, licensing, performance, and configuration problems, meeting support SLAs, documenting resolutions, escalating defects, and collaborating with engineering teams. The role also contributes to automation, readiness programs, mentoring, product improvements, and secure AI and Microsoft 365 configuration practices. Flexible evening and weekend shifts may be required.

Own backend-heavy full-stack product surfaces from architecture through production operations. Responsibilities include building AI-powered answer experiences, identity and billing systems, public APIs, integrations, and workflow tools. The role requires partnering with product, making technical trade-offs, operating services, monitoring performance, responding to incidents, and continuously improving systems used by tax and law firms.

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.