Top Full Stack Developer Jobs in Sydney

Build end-to-end analytics experiences for Linktree creators, spanning event instrumentation, ingestion, aggregation, GraphQL APIs, React interfaces, and social platform integrations. Improve data quality, attribution, reliability, performance, and observability while incorporating AI into development and product features. Partner with product, design, and data teams to prioritize metrics and mentor peers.

Design, build, and operate production conversational AI and generative AI features, including intelligent agents, AI coaching, and real-time Copilot experiences. Develop React frontends, Node.js/TypeScript and Java backend services, API integrations, and WebSocket functionality. Implement AI evaluation, testing, monitoring, guardrails, latency measurement, and prompt regression testing. Collaborate with product, architecture, UX, and platform teams to deliver secure enterprise-scale solutions.

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 scale production-ready AI capabilities and applications using Python and modern cloud tech. Collaborate with cross-functional teams to deliver secure, observable, and responsible AI solutions, mentor engineers, drive architecture decisions, and ensure operational excellence across AI platforms.

Own Linktree’s authentication and identity platform across signup, login, social authentication, account recovery, MFA, sessions, tokens, APIs, and business-account access. Build full-stack features with TypeScript, Node.js, React, GraphQL, databases, and AWS. Improve security, observability, rollout safety, and login conversion while partnering with Product, Security, and platform teams. Mentor engineers and use AI-assisted development to accelerate migrations, testing, and investigations.

Own full-stack product features from problem definition through production using Elixir/Phoenix backend services and React/TypeScript interfaces. Establish engineering quality standards, design shared foundations, make squad-level architectural decisions, mentor engineers, and validate post-launch outcomes. Work on data-intensive, real-time logistics applications involving distributed systems, performance, observability, and event-driven workflows. Use coding agents, agentic prompting, and MCP tooling responsibly across the software development lifecycle.

Build responsive web applications and scalable frontend/backend services, design secure APIs and databases, implement AI-powered search and asset management features, collaborate on system architecture, and optimize performance and UX for a cloud-native DAM platform.

Build and maintain full-stack features for secure, high-volume fintech and cryptocurrency transactions. Develop Golang and Java backend services, Node.js and TypeScript APIs, and React/Next.js applications. Integrate third-party systems, implement OAuth 2.0 authentication, work with microservices, and ensure security, performance, reliability, and observability. Contribute to architecture discussions, code reviews, technical documentation, and end-to-end feature ownership in a fully remote environment.

Own full-stack software delivery from architecture through production support. Build React and TypeScript interfaces, Python APIs, PostgreSQL data models, Azure deployments, and AI-powered applications using LLMs, RAG, agents, evaluation, and guardrails. Collaborate with consultants, architects, clients, and non-engineers to deliver solutions, while mentoring developers and maintaining high standards for testing, observability, reviews, and operational ownership.

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.

Leads a small autonomous engineering squad and owns end-to-end technical delivery for a product domain. Designs and builds scalable, reliable, secure SaaS applications using microservices and event-driven architectures. Makes architectural decisions, drives deployment and optimization, collaborates with product and design, promotes testing, CI/CD, observability, and secure coding, and mentors engineers through technical guidance and peer reviews.

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.

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.

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 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.

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 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.

Develop full-stack applications using an object-oriented language, JavaScript frameworks, cloud platforms, SQL Server, Redis, and AI-assisted development tools. Required technologies include C#/.NET, Java, C++, React.js, Next.js, Angular, Azure, AWS, and GCP.

Design, develop, test, deploy, and monitor production web and mobile applications using React and React Native. Apply AI-enabled practices across the SDLC, including requirements, coding, testing, code review, CI/CD, monitoring, and incident triage. Own features end-to-end, contribute to scalable architecture, optimize performance and accessibility, evaluate AI tools, improve engineering workflows, and mentor junior engineers.

Develop full-stack applications using C#, modern .NET, HTML5, JavaScript, CSS, and Vue 3. Senior opportunities additionally involve Oracle SQL and PL/SQL, multithreading, asynchronous and event-driven systems, concurrency, debugging, root-cause analysis, and legacy application modernization. Experience in energy, utilities, or other complex regulated environments is advantageous. Roles are based in Melbourne or Sydney and require Australian citizenship.

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.

Build and operate scalable, low-latency APIs, event-driven services, integrations, and web applications supporting membership and loyalty experiences. Integrate and extend Antavo with commerce, CRM, CDP, marketing, and data platforms. Apply distributed-systems, reliability, observability, and security practices; troubleshoot production issues; contribute to reusable engineering assets; and mentor junior engineers.

The Full Stack Software Engineer will develop, integrate, and deploy AI technologies, focusing on building scalable web applications and ensuring a great user experience.

As a Full Stack Developer, you will manage end-to-end delivery of projects, participating in agile sprints, and developing features using a diverse technology stack. You will ensure technical quality, collaborate with stakeholders, and support client engagements.

Join a small team to improve a tech product aimed at upskilling users in MENA, working with JavaScript and Node.js in a collaborative remote environment.