About Me

Hi, I'm Vinod Karwa

Experienced Enterprise and Solution Architect with 24+ years of IT experience covering full SDLC in large-scale digital transformation, cloud migration, and merger projects for government, banking, and telecom sectors in the USA, Australia, Malaysia, and India. Expert in architecture frameworks and advanced modelling techniques. Deep expertise in Artificial Intelligence, Large Language Models (LLMs), and agentic systems, delivering intelligent, secure, and scalable AI-driven solutions. Hands-on experience in full-stack code development.

Career

Professional Journey

24+ years across IBM, Amdocs, Westpac, and Transport for NSW — spanning 4 countries.

Feb 2015 – Present

Enterprise Architect / Program Architect

Transport for NSW — Sydney, Australia Contract

Leading large transformation program to modernise 180+ legacy applications
Delivered cloud migration of 120+ applications to hybrid cloud (AWS & Azure)
Delivered Digital Driving Licence and Digital Enablement of Transport Services
Architecture input to business cases for projects ranging $1M–$500M
Setup and run architecture governance forums and design review boards

Apr 2010 – Feb 2015

Senior Integration Architect & IFW Consultant

Westpac — Sydney, Australia Contract

Architected 200+ information services on ESB (DataPower & MessageBroker)
Delivered Online, Cards, Mortgage, Payment & Term Deposit Transformation
St George Bank and Westpac integration
Proposed and implemented the Service Optimized Model — first in Westpac and industry

Aug 2008 – Apr 2010

Senior Consultant / Solution Designer

Amdocs — Australia & Malaysia Full-time

Designed E2E solutions integrating Amdocs OSS/BSS with Telstra and Astro
Delivered solutions for provisioning, billing, CRM, and ordering platforms

Oct 2001 – Aug 2008

Integration Architect / Team Lead / Developer

IBM — India, USA & Australia Full-time

Delivered middleware solutions for AT&T, Sprint Nextel, and Telstra
Led a team of 25 developers on Sprint Nextel enterprise integration
Designed and implemented business web services and integration layers

Deep Expertise

AI & Generative AI Capabilities

Building intelligent, secure, and scalable AI-driven solutions — from LLMs to multi-agent systems.

🧠

Large Language Models

Hands-on with both open-source (LLaMA, Mistral, Gemma) and closed-source (GPT-4, Claude, Gemini, Command R+, Titan) models. Experience with LoRA/PEFT fine-tuning for domain adaptation.

GPT-4ClaudeGemini LLaMAMistralLoRA

🤖

Agentic Systems

Expert in building multi-agent workflows using Agent-to-Agent (A2A), AutoGen, CrewAI, Chain of Thought (CoT), and Model Context Protocol (MCP). RAG pipelines with embedding and vector databases.

A2AAutoGenCrewAI MCPRAGChromaDB

☁️

AI Platforms & Frameworks

AWS Bedrock/SageMaker, Azure AI Studio, GCP Vertex AI, Hugging Face, and Ollama for local LLM deployment. Frameworks: LangChain, Semantic Kernel, DSPy, Haystack.

LangChainBedrockVertex AI Hugging FaceOllamaDSPy

Technical Skills

Full Technology Stack

A broad toolkit honed across enterprise-scale programs in 4 countries.

🏛️

Architecture

TOGAFITILBIANeTOMSPARX EASolution DesignEnterprise GovernanceRoadmaps & Heatmaps

☁️

Cloud & DevOps

AWSAzureGCPKubernetesCI/CDTerraformDockerInfrastructure as Code

🤖

AI & LLM

GPT-4ClaudeGeminiLangChainCrewAIAutoGenRAGMCPA2ALoRA Fine-tuningVector Databases

🔗

Integration

REST APIsGraphQLKafkaMQKongSOAMicroservicesEvent-Driven Architecture

💻

Languages & Frameworks

PythonJavaSpring Boot.NETReactNode.jsTypeScriptReact Native

📊

Data & Platforms

OraclePostgreSQLMongoDBSnowflakeTableauPower BISalesforceServiceNow

Beyond Work

Interests & Passions

🧠

Artificial Intelligence & GenAI

Exploring LLMs, agentic systems, and AI-driven automation

☁️

Cloud Architecture

Designing scalable, secure cloud-native solutions

⚙️

Content Automation

Building pipelines that turn ideas into multi-platform content

❤️

Community Service

Volunteering at Parramatta Mission providing meals to the homeless