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Full Stack Engineer (React, Next.js, TypeScript, GraphQL) – Perm or Contract

React – Louis • Sydney, New South Wales 2000, Australia • Full-time
AI Job Summary
  • Proven experience operating at a Senior or Staff Engineer level in high-performing teams.
  • Deep, hands-on expertise writing production-grade TypeScript on both client and server.
  • Mandatory experience building complex, high-performance applications with React and Next.js.

Role Type

Contract • Full-time • Senior

Description

Our ‘black belt’ specialists are leaders in their domains: digital champions, delivery-focused experts, top-tier security professionals, AI thought leaders, and engineering best practice advocates.

With a global footprint and deep local insight, Software at Scale delivers cutting-edge technology solutions that power mission-critical platforms. We solve complex engineering challenges at scale, driving quality, performance, and resilience through the strength of our people.

Empower Your Career

We’re seeking a Staff Full Stack Engineer to play a key role in delivering high-quality, scalable systems across our most important programmes. This mandate focuses on building an ultra-fast, highly performant modern web application using Next.js, React, TypeScript, and GraphQL within a highly secure environment.

This role is hands-on and delivery-oriented, requiring true end-to-end ownership. You will have the scope to heavily influence both frontend and backend architecture, establish performance baselines, and lead by example within our engineering teams. You will work closely with product leaders and delivery teams while remaining deeply involved in full-stack design, implementation, and rigorous problem-solving.

Key Responsibilities

  • End-to-End Architecture: Design and build production-grade, highly performant systems across the entire stack using TypeScript, React, Next.js, and Node.js.
  • GraphQL Mastery: Architect and implement robust GraphQL APIs on the backend (resolvers, schemas, query optimisation) and seamlessly consume them on the frontend with modern caching strategies.
  • High-Performance Frontend: Ensure optimal Core Web Vitals and lightning-fast render times by leveraging advanced Next.js features (SSR, SSG, client-side routing).
  • Secure Development: Architect full-stack solutions that adhere to the strictest security standards, working safely within a highly secure enterprise environment to protect sensitive data and prevent vulnerabilities at every layer.
  • Ecosystem Management: Build and maintain systems within complex monorepo architectures, ensuring clean separation of concerns and shared tooling.
  • DevOps & Testing: Develop and maintain CI/CD pipelines using GitHub Actions or TeamCity. Implement robust full-stack test automation practices, including containerised workflows using Docker.
  • Cloud-Native Deployment: Leverage AWS-native services to deploy reliable, scalable applications.
  • AI Tooling Adoption: Champion the adoption of GenAI and agentic tools where they tangibly improve engineering productivity, code quality, or system capability.
  • Observability: Apply observability best practices using modern monitoring, logging, and tracing tools to proactively manage system performance and user experience.
  • Technical Leadership: Participate in code reviews, architectural discussions, and performance optimisation efforts. Support and mentor engineers, contributing to a culture of uncompromised quality and ownership.

What You Bring

  • Staff-Level Expertise: Proven experience operating at a Senior or Staff Engineer level within modern, high-performing engineering teams.
  • Full-Stack TypeScript Mastery: Deep, hands-on expertise writing production-grade TypeScript on both the client and the server.
  • Frontend Excellence: Mandatory, proven experience building complex, high-performance applications using React and Next.js.
  • Backend & API Design: Extensive commercial experience building scalable backend services in Node.js and designing/implementing GraphQL APIs from scratch.
  • Security & Performance: A strong track record of building performant applications (optimising bundle sizes, rendering strategies, database queries) specifically within highly regulated or secure environments.
  • Infrastructure & CI/CD: Experience deploying and operating workloads on AWS, managing CI/CD pipelines, and working with Docker.
  • Monorepo Experience: Practical experience navigating and maintaining monorepo environments.
  • AI Fluency: Exposure to GenAI and agentic engineering tools, with a practical, delivery-focused mindset on how to use them safely.
  • Communication: Strong communication skills and a collaborative, execution-driven approach to solving enterprise problems.

What We Offer

  • Meaningful, hands-on engineering work across complex, enterprise-grade platforms.
  • Clear growth pathways from Staff and beyond.
  • A low-ceremony, delivery-focused environment that values engineers who own outcomes.
  • Competitive remuneration and benefits.
  • The opportunity to work alongside highly experienced engineers on challenging, high-impact systems.