Top React Jobs in Sydney

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.

Build and deploy customer-facing AI-powered solutions for LogicMonitor Edwin AI. Develop backend services, integrations, automations, and lightweight frontend experiences using Python, Java, JavaScript, TypeScript, and React. Implement APIs, telemetry pipelines, dashboards, cloud deployments, and observability workflows. Support prototypes, production rollouts, troubleshooting, and customer adoption while contributing reusable engineering patterns and product feedback.

Build and maintain high-performance Golang backend services and APIs for a large digital media archive. Develop AWS cloud-native microservices, media-processing modules, and Kubernetes deployments for audio, video, and metadata. Collaborate in an autonomous Agile squad, contribute across the deployment lifecycle, participate in code reviews and testing, and strengthen DevOps, monitoring, and automation practices.

Designs, develops, and supports enterprise IBM FileNet and Case Management solutions. Responsibilities include configuring case types and workflows, developing ICN plugins and integrations, building REST/SOAP APIs, performing technical reviews and optimization, troubleshooting production issues, supporting upgrades and migrations, documenting deployments, and mentoring team members. The role collaborates with stakeholders and delivery teams in Agile environments.

Build and improve large-scale React frontend features for a global travel marketplace. Responsibilities include developing customer-facing booking experiences, designing A/B tests, optimizing performance and accessibility, integrating with microservices and travel systems, contributing to testing and CI/CD practices, using AI-augmented development tools, and mentoring engineers. The role works closely with product managers, designers, and backend teams in an in-person Sydney office.

Develop and support Wellbeing Gateway, building secure, scalable full-stack web applications across frontend, backend, APIs, integrations, databases, cloud services, and CI/CD pipelines. Own features from design through production support, contribute to architecture and Agile delivery, maintain legacy systems during platform transition, investigate defects, improve technical quality, and share knowledge with developers and stakeholders.

Develop and maintain scalable web applications using React.js, Node.js, and TypeScript. Build reusable UI components, RESTful APIs, microservices, and secure backend services. Work with SQL and NoSQL databases, third-party integrations, CI/CD, and DevOps practices. Troubleshoot production issues, participate in code reviews, collaborate with cross-functional teams, mentor junior developers, and contribute to technical decisions.

Build and own the cloud and edge platform connecting autonomous drones, docks, and customers. Responsibilities include AWS infrastructure as code, backend and desktop applications, offline-first synchronization, OTA fleet updates, CI/CD, monitoring, alerting, video streaming, and reliable networking across remote cattle stations. The role is hands-on, Sydney-based five days per week, with regular domestic and potentially international field deployments.

Own important user-facing product areas end to end, from ambiguous direction through architecture, implementation, production rollout, measurement, and ongoing improvement. Build across frontend, backend, APIs, infrastructure, native clients, and AI systems. Use AI coding agents, observability, automation, testing, and evals to increase safe autonomy and reduce recurring manual work while maintaining production reliability and product judgment.

Develop and support Java REST APIs, API gateway integrations, CI/CD tooling, Dockerized builds and deployments, Linux environments, Splunk monitoring, and Remedy change and incident management processes. Familiarity with Python, Ansible, Nomad, Consul, AWS, and React is beneficial.

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.

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.

Provide production support for GBST clients: triage and resolve issues, lead version upgrades and UAT, perform defect analysis and create development tickets, support out-of-hours as needed, and liaise with development and stakeholder teams to maintain stable, secure trading applications.

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.

Develop and enhance Microsoft Dynamics 365 CRM and Power Platform solutions across customer service, sales, journeys, and data. Design Dataverse models, integrations, security, workflows, and model-driven applications. Support data migration, quality remediation, ALM, CI/CD, deployments, documentation, troubleshooting, and production support while collaborating with architects, consultants, testers, and business stakeholders.

Develop and operationalize scalable Dynamics 365 and Power Platform solutions supporting customer engagement, adviser effectiveness, segmentation, personalization, and predictive intelligence. Build Dataverse, integration, automation, and secure application capabilities while delivering predictive models for propensity, churn, recommendations, and next-best actions. Collaborate across technology and business teams on solution design, governance, ALM, CI/CD, and continuous improvement.

Develop scalable software for a global travel platform using JavaScript, TypeScript, React, Node.js, PostgreSQL, APIs, and microservices. Collaborate with product and design teams, implement third-party integrations, monitor system reliability, apply testing and CI/CD practices, and provide technical leadership through mentoring and code reviews. This is an in-person role based in the company’s Barangaroo office in Sydney.

Leads platform engineering initiatives delivering scalable cloud-native systems and AI-driven applications. Responsibilities include full software lifecycle execution, system design reviews, infrastructure and tooling development, ML framework integration, monitoring, and maintenance. The role mentors engineers, influences technical direction, collaborates cross-functionally on requirements, and drives continuous improvement across distributed systems and platform capabilities.

Build scalable, low-latency backend APIs, event-driven services, integration layers, and microservices supporting personalization and recommendation experiences. Partner with AI/ML and data engineers to deploy models, expose AI services, and develop React applications. Improve security, observability, reliability, performance, scalability, and operational efficiency while using AI-assisted engineering tools to enhance delivery and code quality.

Design, build, and maintain full-stack Link Apps features, partner integrations, services, APIs, and cloud infrastructure. Own integrations end-to-end, including authentication, rate limits, versioning, reliability, instrumentation, and graceful degradation. Collaborate with product, design, partnerships, and business teams to turn ambiguous opportunities into measurable features. Contribute to engineering culture and use AI-assisted development effectively.

Build and operate scalable, low-latency backend services, APIs, event-driven systems, integrations, and frontend applications supporting membership, loyalty, rewards, and consumer engagement. Configure and integrate Antavo with commerce, CRM, CDP, marketing, and data platforms. Apply secure, observable, resilient engineering practices, troubleshoot production issues, and optimize performance. The role requires strong Java and Spring Boot expertise, plus working knowledge of React, Node.js, Kafka, and SQL/NoSQL databases.

Develops and maintains geospatial web applications, mapping tools, and visualization solutions for conservation teams. Responsibilities include analyzing requirements, designing systems, frontend development, application maintenance, production support, quality assurance, peer reviews, technical leadership, project planning, and advising teams on web mapping standards. The role uses Esri and open-source geospatial technologies and collaborates with product owners and globally distributed stakeholders.

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.

Lead the architecture, development, performance, release process, and roadmap for SimpleStudy’s consumer iOS app. Mentor existing mobile engineers, establish technical direction, deliver polished native experiences, run experimentation and analytics, manage App Store operations, and collaborate with engineering and product leadership. The role involves Swift, SwiftUI, UIKit, testing, performance optimization, crash monitoring, and potential mobile team expansion.