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Welcome To AeeroTech.
1️⃣ Architecture Blueprints
Sample Blueprints
• Cloud-Native Digital Lending Platform
Hub & Spoke Active Active
Reference architecture for scalable lending systems using microservices, event streaming, and API-first design.
• AI-Driven KYC & Onboarding Platform
API First Architecture Microservices Deep Drive, Data Modernization,
Regu latory compliance FIU-Reporting.
Real Time Fraud Detection in Banking
2️⃣ Enterprise Modernization Framework
Legacy Modernization Framework for BFSI
Modernization Approach
1️⃣ Discovery & Assessment
Application portfolio analysis using TIME and 6R frameworks.
2️⃣ Target Architecture Definition
Define microservices domains using Domain Driven Design.
3️⃣ Cloud-Native Platform Design
API-first architecture, event streaming, container platforms.
4️⃣ DevSecOps Enablement
CI/CD pipelines with security gates and automated compliance.
5️⃣ Migration & Execution
Incremental modernization with strangler pattern.
3️⃣ AI for BFSI
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AI-Driven Enterprise Platforms
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EA Governance
1. Understanding EA Governance EA Governance ensures that architectural decisions are aligned with business strategy, technology standards, risk management, and compliance requirements. Its goals: Align business and IT strategy Standardize architecture principles, standards, and policies Approve/review projects for architectural compliance Manage technology risk and ensure innovation adoption Frameworks and tools commonly used: Frameworks: TOGAF ADM, COBIT, Zachman Framewor
Anand Nerurkar
Nov 1, 202533 min read
How to Engage CXO & keep them commited in long run
🧭 Question: “As an Enterprise Architect in ABC Bank, how do you engage CXOs and keep them committed during a long transformation?” Step 1. Understand the CXO Landscape & Pain Points “My first step is to map each CXO’s strategic priorities and business pain points.For example, the CFO may focus on cost optimization and regulatory compliance; the CIO on agility and technical debt; the CDO on customer experience and data monetization.I run short discovery sessions or workshops
Anand Nerurkar
Oct 31, 20252 min read
Align Tech Design with Risk,compliance
🧭 Scenario Context ABC Bank is modernizing its core systems, adopting microservices and moving workloads to cloud (Azure/AWS hybrid).You, as the Enterprise Architect , are responsible for ensuring that every technical design — whether on-prem or cloud — complies with banking regulations, data privacy laws, and enterprise risk policies . 🧱 1️⃣ Establish Governance & Accountability Step What You Do Stakeholders Output 1.1 Form the Architecture Risk & Compliance Council (ARCC
Anand Nerurkar
Oct 29, 20253 min read
RoadMap
🏦 Scenario Context You are an Enterprise Architect at ABC Bank , responsible for platform modernization and cloud transformation .Your goal is to work with senior stakeholders, align technology decisions to business strategy, modernize legacy platforms, and evaluate new vendors/tools. 🔹 1️⃣ Work with Senior Stakeholders across Business, Security, Infrastructure, and DevOps 🎯 Objective To ensure that all modernization and technology initiatives are aligned with business goa
Anand Nerurkar
Oct 28, 20253 min read
EARB Session
🏛️ Enterprise Architecture Review Board (EARB) — Practical Walkthrough 🎯 Purpose of EARB The Enterprise Architecture Review Board (EARB) ensures that: All solution and technical designs align with enterprise standards, principles, and target architecture. Architecture decisions are governed, reviewed, and traceable. New initiatives are risk-controlled, cost-optimized, and strategically consistent with the organization’s IT roadmap. It acts as the architecture governance b
Anand Nerurkar
Oct 28, 202520 min read
Cloud adoption strategy across AWS, GCP, and on-prem hybrid environments.
💼 Scenario You are the Enterprise Architect at W, deployed to a large BFSI client (say ABC Bank). The client has a complex landscape — legacy on-prem applications, some workloads already on AWS, and multiple analytics workloads on GCP. Your role: Define and drive a unified Cloud Adoption Strategy that works across AWS, GCP, and on-prem in a hybrid environment. 🚀 Step-by-Step Realistic Walkthrough Step 1: Understand Current State (Discovery & Assessment Phase) Objective:
Anand Nerurkar
Oct 28, 20259 min read
Business Transformation Readiness Assessment
Business Transformation Readiness Assessment is one of the first critical steps in any large-scale transformation engagement (digital, cloud, or operating model). Let’s go through it step-by-step as an Enterprise Architect actually doing it at a client such as a bank or large enterprise 👇 🧭 1. Objective To evaluate the organization’s preparedness —across business, technology, process, and people dimensions—for a successful transformation journey.The goal is to identify
Anand Nerurkar
Oct 27, 202520 min read
Gen AI Agent in EA
🧭 1. Strategic Intent — Why GenAI / Agentic AI in EA “As part of our enterprise architecture modernization strategy, I positioned GenAI and Agentic AI as strategic enablers to improve decision-making, developer productivity, and customer experience across business and technology layers.” Objectives: Accelerate architecture governance, documentation, and impact analysis using GenAI copilots. Drive business capability augmentation using AI agents — e.g., KYC, loan underwrit
Anand Nerurkar
Oct 26, 202513 min read
Enterprise Engagement Deal
“In my role as Enterprise Architect, I’ve been engaged in transformation programs ranging from ₹50 crore to ₹150 crore (approximately USD 6–18 million ) in total deal size. These engagements typically spanned multi-year digital transformation initiatives — for example: Core modernization and digital lending platform : ~₹100 crore program, covering microservices re-architecture, Azure Cloud migration, and DevOps automation for a top Indian private bank. Mutual Fund platform
Anand Nerurkar
Oct 26, 202523 min read
EA Governance at ABC Bank
ABC Bank – EA Governance Setup – Step-by-Step Execution Phase 1: Current State Assessment & EA Maturity Objective: Understand the existing architecture, governance, and maturity gaps. Actions / Approach: Conduct 1:1 interviews with CTO, CIO, BU Heads, and Project Managers to understand business priorities and pain points. Organize workshops with architects and SMEs to map existing applications, integrations, and technology landscape. Send questionnaires/surveys to project
Anand Nerurkar
Oct 26, 202513 min read
ABC Bank EA Maturity Assesment
🏦 ABC Bank – Enterprise Architecture Maturity Assessment & 3-Year Roadmap Prepared by: Enterprise Architect (You) Objective: Assess ABC Bank’s current EA maturity and define a 3-year roadmap to achieve Level 5 (“Optimized”) maturity across all domains. 🧩 1. Assessment Framework We used a TOGAF-aligned EA Maturity Model based on six key domains: EA Governance & Organization EA Process & Standards Technology Architecture & Reuse Data & Information Architecture Integration
Anand Nerurkar
Oct 25, 20255 min read
EA Daily Time Allocation & Activity
Time / % Activity Purpose & Details Tools / Frameworks 20–25% Stakeholder Engagement Meetings with business, IT, security, compliance, and CXOs to understand priorities, risks, and upcoming initiatives. Align architecture with business strategy. MS Teams / Zoom, Outlook, Miro for visual collaboration 15–20% Architecture Reviews & Design Review solution designs, microservices, APIs, integration patterns, and data flows to ensure alignment with EA principles and standards. Lean
Anand Nerurkar
Oct 25, 20254 min read
EA Maturity Assesment from Level 2 to 5
🏗 Realistic EA Maturity Assessment Flow (Level 2 → 5) with CXO Presentation Step 1: Discovery & Planning Objective: Define scope, domains, stakeholders, and assessment plan. Activities & Tools: Identify EA domains: Business, Application, Data, Technology, Security, Governance, Tools, People. Conduct discovery workshops with stakeholders (Business, IT, Security, Compliance). Tools: MS Teams / Zoom, Miro / MURAL Identify sources of evidence: CMDB, EA repositories (LeanIX / O
Anand Nerurkar
Oct 25, 20256 min read
Banking Modernization Program-EA
90-Day Enterprise Architect Plan customized for a Banking Transformation Program (e.g., Digital Lending, Core Modernization, or Cloud-Native Banking Platform). Phase1 ==== 🏁 0–30 Days: UNDERSTAND (Discovery & Alignment Phase) Objective: Establish business alignment, assess current architecture, identify gaps, and baseline maturity. Key Actions: Conduct stakeholder workshops with CXOs, CIO, CRO, CISO, Business, Risk, and Compliance heads to understand business goals — e.g.
Anand Nerurkar
Oct 25, 202511 min read
Your 1st 90 day plan as Enterprise Architect when you joined
Absolutely! Here’s a structured 90-day plan you can present for an Enterprise Architect role in Banking Cloud Platforms , covering Azure, AWS, hybrid/multi-cloud, microservices, governance, and stakeholder engagement . I’ll break it down week-by-week and focus on realistic, strategic, and tactical actions. 0–30 Days: Understand, Assess & Engage ================================= Objectives Build context of business, technology, and organizational landscape. Identify gaps, ris
Anand Nerurkar
Oct 25, 20254 min read
Azure AD as Central IDP, A Cloud trust,OIDC/Oauth2/Refresh Token
Perfect — now let’s break down authentication & authorization flows in a multi-cloud hybrid scenario (Azure, AWS, On-prem) using Azure AD as the central IdP . I’ll explain step by step , including OIDC / OAuth2 tokens, refresh tokens, and how they are used . This is exactly what an Enterprise Architect would explain in an interview. We’ll use Amit R as the example user. 1️⃣ Core Concepts Term Role / Description Azure AD Central Identity Provider (IdP). Performs authentica
Anand Nerurkar
Oct 25, 202513 min read
Azure AD as Central IDP, A;; Cloud trust,OIDC/Oauth2/Refresh Token
Perfect — now let’s break down authentication & authorization flows in a multi-cloud hybrid scenario (Azure, AWS, On-prem) using Azure AD as the central IdP . I’ll explain step by step , including OIDC / OAuth2 tokens, refresh tokens, and how they are used . This is exactly what an Enterprise Architect would explain in an interview. We’ll use Amit R as the example user. 1️⃣ Core Concepts Term Role / Description Azure AD Central Identity Provider (IdP). Performs authentica
Anand Nerurkar
Oct 25, 202513 min read
Centralized API Gateway or Cloud API Gateway??
🧭 Context You have a multi-cloud hybrid setup : Region A (Azure) → Hosts digital lending & onboarding Region B (AWS) → Hosts fraud analytics & AI models Region C (On-Prem DC) → Hosts CBS & PII-sensitive data You now need a common API exposure strategy across all three — to securely expose and consume APIs between services, partners, and external channels. ⚙️ Step 1: Decide the API Management Pattern You have two main architecture choices here: Pattern Description When to
Anand Nerurkar
Oct 24, 20255 min read
Which Cloud?how to deploy??
Excellent — this is exactly the kind of scenario-based, architecture governance question you’ll face in your interview for the Enterprise Architect – Banking Cloud Platforms role. Let’s go step by step with a structured, CTO-level answer — including how to decide placement, access, and deployment strategy . 🎯 Question: How will you decide which components will be on-prem, which will be on cloud, how will you access on-prem from cloud or cloud from on-prem, and how will yo
Anand Nerurkar
Oct 24, 20257 min read
OAuth 2 Grant Type
Excellent 👏 — you’re referring to OAuth 2.0 Grant Types and their Flows , which are essential in any microservices modernization or cloud-native banking platform , especially when integrating with Azure AD , Keycloak , or Auth0 . Let’s go step-by-step — covering what each grant type is , how the flow works , when to use it , and how it fits into your microservices or API gateway design . 🔐 1. What Are “Grant Types”? A grant type defines how a client (frontend or service)
Anand Nerurkar
Oct 23, 20257 min read
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