Senior Full Stack Engineer - AI / Conversational Systems at NCS Australia | AU | Rezi

Senior Full Stack Engineer - AI / Conversational Systems at NCS Australia

Senior Full Stack Engineer - AI / Conversational Systems

NCS Australia · AU

3 weeks ago

Senior Full Stack Engineer - AI / Conversational Systems

NCS Australia · AU

22 days ago
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About the Role

We are seeking a Senior Full Stack Engineer specializing in AI and Conversational Systems to design, build, and operate production-grade conversational interfaces and generative AI features, bridging advanced AI tooling with modern frontend and backend architectures.

Responsibilities

  • Design and build intelligent agent workflows, conversational flows, and generative AI features using Dialogflow CX, Vertex AI, AgentStudio, and advanced prompt/context engineering techniques.
  • Develop high-performance, responsive user interfaces using React, Vite, Tailwind CSS, and Storybook, integrating WebSockets for real-time conversational and CoPilot streaming capabilities.
  • Build and maintain scalable backend services and API layers (Node.js/TypeScript, Java, Apigee) to support secure, low-latency communication between front-end applications and AI model providers.
  • Implement robust evaluation, testing, and monitoring frameworks for AI-enabled features—focusing on accuracy, response latency, guardrails, prompt regression, and handling non-deterministic model behaviour.
  • Partner with product managers, AI architects, UX designers, and platform engineers to deliver secure, production-ready AI capabilities at enterprise scale.

Requirements

  • Demonstrated track record of building and operating conversational or generative AI features in live production environments.
  • Hands-on experience with at least one major conversational AI platform (e.g., Dialogflow CX) and one major LLM/ML platform (e.g., Vertex AI).
  • Deep production experience across React, Node.js/TypeScript, and Java, alongside real-time communication protocols like WebSockets.
  • Proven capability in evaluating and testing AI-enabled features rather than only traditional deterministic code (measuring model accuracy, latency, guardrails, and prompt regression).
  • Experience working with agentic frameworks, prompt/context optimization patterns, or specialized UI component libraries for AI apps.
  • Familiarity with secure enterprise API gateways (Apigee) and cloud-native deployment patterns on Google Cloud Platform.
  • Valid Australian work rights.
  • May be required to undergo relevant background, probity and police checks.

Skills

  • AI
  • Conversational Systems
  • Dialogflow CX
  • Vertex AI
  • AgentStudio
  • Prompt Engineering
  • Context Engineering
  • React
  • Vite
  • Tailwind CSS
  • Storybook
  • WebSockets
  • Node.js
  • TypeScript
  • Java
  • Apigee
  • Agentic Frameworks
  • Google Cloud Platform

Location

  • Sydney

Work Type

  • Hybrid

Experience Level

  • Senior
  • Production AI Experience
  • Full Stack Core Stack

About the Company

  • At NCS Australia, we believe in doing technology services better. Our commitment to quality, focus on people, and willingness to challenge traditional thinking set us apart.
  • Our team brings this belief to life by partnering with our clients and communities to make tomorrow together.
  • We are committed to creating an environment that prioritises innovation, collaboration, and purposeful work.
  • Our diverse team is empowered to make a meaningful impact with curiosity, creativity and resilience to shape better outcomes.
  • Join us and accept the challenge of creating a better tomorrow.
  • This is a place for people who like to get stuck in, bring ideas to life and make things happen.
  • You'll work alongside experienced people who care about what they do, contribute to meaningful work and have the support to keep learning and grow your career.
  • Whether you want to deepen your expertise, explore something new or take your career in a different direction, there's room to make it your own.
  • We value Adventure, Excellence, Integrity, Ownership and Unity - bringing curiosity, collaboration and accountability to the way we work with our clients and each other.
  • Ready to make extraordinary happen?
  • We'd love to hear from you.

Equal Opportunity

  • We celebrate diversity and inclusion
  • We value different perspectives, experiences and strengths our people bring.
  • We're committed to an inclusive workplace where everyone has the opportunity to contribute, grow and succeed, and to providing equal employment opportunities and reasonable adjustments throughout the recruitment process.