Technical Architect – Sydney

Employment Type: Full-Time

About the Role

We are seeking an experienced Technical Architect to lead the design and delivery of a next-generation AI-powered self-service platform for a leading enterprise client. This is a hands-on architecture role requiring expertise in cloud-native application design enterprise integrations and Agentic AI to deliver secure scalable and intelligent digital solutions.

You will work across .NET Core React AWS and Google Vertex AI driving architecture decisions mentoring engineering teams and collaborating with business and technology stakeholders.

Key Responsibilities

• Lead the end-to-end solution architecture across frontend backend cloud integrations and AI components.
• Design scalable cloud-native applications using .NET Core React AWS EKS and Kubernetes.
• Architect API-first and event-driven solutions using asynchronous messaging and enterprise integration patterns.
• Design and implement Agentic AI solutions using Vertex AI Agent Engine Google ADK LangGraph and Gemini.
• Define secure integration strategies with CRM platforms and enterprise backend systems.
• Implement authentication authorization MFA audit logging and multi-tenant security models.
• Drive architecture governance technical standards code quality and best practices.
• Collaborate with Product Owners Delivery Managers Security teams and Enterprise Architects.
• Mentor engineering teams and provide technical leadership throughout the project lifecycle.
• Ensure solutions are scalable secure resilient and aligned with enterprise architecture standards.

Required Skills & Experience

• 12 years of IT experience with at least 4 years as a Technical Architect or Solution Architect.
• Strong hands-on experience with .NET Core / C#.
• Experience with React and TypeScript.
• Strong expertise in AWS Cloud including:
  • AWS EKS
  • Kubernetes
  • VPC
  • AWS MQ
• Hands-on experience with Google Vertex AI Google ADK LangGraph and Gemini.
• Experience designing microservices REST APIs and event-driven architectures.
• Strong enterprise integration experience with CRM platforms (Salesforce or similar).
• Knowledge of OAuth2 OIDC Auth0 MFA and enterprise security principles.
• Experience with CI/CD DevOps Infrastructure as Code and Agile delivery.
• Excellent stakeholder management and communication skills.

Desirable Skills

• Experience in Media Broadcasting Advertising or Digital Sales platforms.
• Experience integrating with Order Management Systems (OMS).
• Knowledge of container security and cloud governance.
• Exposure to enterprise AI solution delivery.

Preferred Certifications

• AWS Certified Solutions Architect
• Google Cloud Professional Cloud Architect
• Generative AI / AI Engineer Certification
• Kubernetes (CKA/CKAD) desirable