Top Full Stack Developer Jobs in Sydney

Design, develop, and maintain scalable web applications using .NET backend and Angular/React frontend. Collaborate on requirements, implement RESTful APIs, optimize performance, debug, maintain documentation, support end-users, and work within CI/CD and DevOps workflows.

Build and ship end-to-end product features across frontend, backend, APIs and databases for an AI Neobank. Create customer and internal workflows (onboarding, accounts, payments, rewards, FX, KYC, support automation), build internal tools, collaborate with product/design/mobile/AI teams, and own production monitoring, debugging and improvement post-release.

Develop UI and APIs, integrate front end with Bigtincan backend, implement authentication, work on SOA/microservices, participate in code reviews, maintain Jira tickets, and contribute to sprint planning and retrospectives.

Design, build, and maintain production-grade microservices and web applications to power personalization and recommendations. Implement model-serving and inference integrations, ensure resiliency, observability, and low-latency performance, work with event-driven and caching patterns, collaborate with AI/ML and data teams, drive technical designs, mentor engineers, and operationalize services for production readiness.

Own monetisation and activation end-to-end: subscriptions, paywalls, billing, onboarding and first-use activation. Build analytics and experimentation foundations (events, funnels, A/B tests). Integrate with payment providers and handle failure modes (declines, webhooks, disputes). Drive data-informed experiments to improve funnel and revenue.

Own and build enterprise identity and tenancy: implement SAML/OIDC federation and SCIM provisioning, design self-serve tenancy (orgs, seats, roles, entitlements), create audit/admin surfaces (access logs, session policy, de-provisioning), and partner on rollouts to ensure frictionless enterprise deployments.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

Design and build end-to-end Product-Led Growth features including self-service onboarding, subscription upgrades, and optimized checkout flows. Own full-stack implementations from database schema and REST API design to responsive React/TypeScript frontends. Write well-tested code, run experiments (A/B tests), mentor junior engineers, and participate in on-call rotations while improving architecture and scalability.

The Senior Full-Stack Engineer will build end-to-end features, create APIs, write requirement documents, and learn Rust while improving product experiences for users.

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.