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.

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.

Leads the architecture and development of scalable, high-performance web applications using React, TypeScript, and Next.js. Owns complex feature delivery, web performance optimization, technical debt reduction, reliability, security, and operational excellence. Mentors junior engineers, contributes to engineering standards, participates in on-call rotations, and collaborates with Product and Design teams to deliver customer-focused outcomes.

Build and deploy AI workers for enterprise customers in Australia. Responsibilities include customer-facing engineering, full-stack development with React, TypeScript, Node.js, and Python, AI/ML application development, LLM prompting, voice and transcription tuning, API integrations, and iterative solution improvement. The role also involves cross-functional collaboration, project management, customer onboarding, and helping establish the region’s deployment and operational playbook.

Build and maintain scalable full-stack software for the Campaign Monitor product. Develop APIs, event-driven microservices, dynamic web applications, AWS infrastructure, and event-streaming solutions. Collaborate with designers, product managers, and engineers; contribute to architecture decisions, code reviews, mentorship, scoping, and long-term maintainability. Participate in on-call support and use data-driven instrumentation to improve system reliability and customer experiences.

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.

Develop and maintain high-traffic consumer weather web applications using JavaScript, React, and Next.js. Build accessible, responsive interfaces, integrate APIs, troubleshoot defects and performance issues, write tested reusable code, and collaborate with engineering, QA, product, and UX teams on releases and production improvements.

Design, build, implement, and support Microsoft 365 solutions using SharePoint, Power Platform, Teams, OneDrive, and Purview. Translate customer requirements into practical solutions, deliver workshops and demonstrations, produce technical documentation, support information governance and migrations, resolve service issues, and contribute to Copilot and AI adoption. The role also supports project delivery, estimates, presales, governance, training, and customer capability development.

Designs, develops, configures, integrates, and supports enterprise IBM FileNet, Case Manager, and Business Automation Workflow solutions. Responsibilities include customizing IBM Content Navigator, developing APIs and plugins, configuring workflows and case types, performing deployments and migrations, troubleshooting production issues, optimizing performance, documenting solutions, and participating in Agile development practices.

Designs, builds, tests, and maintains scalable full-stack software using Java and React. Responsibilities include feature design, code reviews, cloud-native development, debugging, performance optimization, containerization, CI/CD, automated testing, and collaboration with product and engineering teams. The role emphasizes technical growth, mentorship, quality engineering, and adoption of modern and AI-assisted development tools.

Build and own customer-facing products end to end, from discovery and data modeling through development, release, measurement, and iteration. Work primarily across React and Laravel on AWS, with native mobile applications. Partner with product managers and customers to simplify contractor workflows involving time tracking, payroll, compliance, and job costs. Make product and technical tradeoffs, prototype rapidly with AI tools, review code, and help shape engineering practices.

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.

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.

Lead the architecture and delivery of complex SaaS applications and platform services across the full stack. Build scalable APIs, databases, cloud-native services, and AI-powered workflows while improving reliability, observability, and developer productivity. Provide technical leadership through architecture reviews, mentoring, engineering standards, and production ownership. The role requires autonomy, deep TypeScript and Node.js expertise, full-stack delivery, internal tooling experience, and experience shipping AI capabilities in production.

Provide technical support to customers by debugging and resolving application issues, advising on architecture and integrations, improving the platform and AI agent, maintaining documentation, automating support workflows, and handling platform incidents and customer communications. The role requires strong TypeScript and React skills, modern web application knowledge, production debugging experience, clear written communication, and customer-facing experience.

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.