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Tata Consultancy Services · Sydney

# Technical Architect

Sydney 

Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since.
[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/424563J)

[OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Technical Architect

## Job description

### Job Description

Technical Architect – AI-Powered Self-Service Platform (Cloud
- Agentic AI)

### Role Overview

We are looking for a senior, hands-on Technical Architect to lead the design and delivery of a next-generation AI-powered self-service platform for a large enterprise client in the media and advertising sector. The platform enables users to move from a natural-language brief to a fully priced, bookable plan in minutes. The solution is a containerised.NET Core
- React application deployed on AWS EKS, integrated with the client's internal order management system (via async queue) and CRM (via custom APIs), augmented by a conversational AI agent hosted on GCP Vertex AI Agent Engine (Google ADK / LangGraph / Gemini). The role blends enterprise application architecture, cloud-native engineering and Agentic AI design — ideal for a senior engineer-architect who has evolved from strong backend/full-stack roots into cloud
- AI system design. ________________________________________ Key Responsibilities
- Own end-to-end architecture across UI (React/Node/TypeScript), API (.NET Core), integrations, cloud and AI layers
- Architect API-first, event-driven, cloud-native solutions on AWS EKS with enterprise CI/CD
- Design the Agentic AI layer on GCP Vertex AI (ADK / LangGraph / Gemini), aligned with client's data platform

### Define integration patterns
- async messaging (AWS MQ) with OMS, and custom

### CRM APIs
- Enforce trust boundaries, entitlements, audit and multi-tenant isolation through the core API
- Design in-app identity
- MFA for MVP, with a clean path to Auth0 / OIDC
- Guide teams on design, coding practices, evals, guardrails and delivery excellence
- Partner with Product Owner, Delivery Lead and client architecture / security stakeholders ________________________________________ Required

### Skills & Experience
- 12+ years total experience; 4+ years as Technical / Solution Architect
- Strong hands-on in.NET Core (mandatory) and React / Node / TypeScript
- Proven AWS EKS
- VPC
- AWS MQ architecture experience
- Hands-on Agentic AI experience with Vertex AI, Google ADK, LangGraph, Gemini
- Solid CRM (Salesforce or equivalent) + async integration experience
- Strong understanding of security, identity (MFA, OIDC/Auth0), audit and multi-tenant design
- Excellent design fundamentals — patterns, distributed systems, event-driven design
- Prior exposure to media, broadcast, ad-sales (OMS/TMS) or BFSI is a plus
- Strong communication, leadership and Agile delivery mindset ________________________________________ Preferred Certifications AWS Solutions Architect
- GCP Professional Cloud Architect
- Generative AI Leader/Engineer

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Aug 1, 2026
- Last checked: Aug 1, 2026
- Listed for: Under a day
- Location: Sydney[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/424563J)

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