AI in Financial Systems

Working notes on how AI is adopted, governed, and monitored inside banks and insurers — shared calmly and in progress.

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Phase 3 - Model Lifecycle & Operational Oversight

Dec 28, 2025

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20 min read

How Machines Understand Documents

SS10 : Understanding transformers, tokens, and sequence handling in financial AI systems

Sanjeev Kumar Singh

Phase 3 — Model Lifecycle & Operational Reliability

Dec 25, 2025

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10 min read

HashiCorp Vault RBAC + Secrets Rotation

WS08 - Manage identities, permissions, and credential lifecycle across pipelines

Sanjeev Kumar Singh

Phase 3 - Model Lifecycle & Operational Oversight

Why Model Lifecycle Differs From Software Lifecycle

Dec 21, 2025

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11 min read

Why Model Lifecycle Differs From Software Lifecycle

SS09 : Describe re-validation needs, change control, and monitoring feedback loops

Sanjeev Kumar Singh

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How Banks Approve AI Systems: The Governance Lifecycle

Oct 26, 2025

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19 min read

How Banks Approve AI Systems: The Governance Lifecycle

SS01 - The real journey from "model ready" to "model in production"

Sanjeev Kumar Singh

Why Retrieval Beats Fine-Tuning in Regulated Environments

Nov 2, 2025

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13 min read

Why Retrieval Beats Fine-Tuning in Regulated Environments

SS02 : The architectural decision that determines whether your AI project survives compliance review

Sanjeev Kumar Singh

How Embeddings Represent Meaning and Similarity

Nov 9, 2025

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16 min read

How Embeddings Represent Meaning and Similarity

SS03 : Understanding semantic space behavior and what it means for enterprise search

Sanjeev Kumar Singh

HIDDEN GEMS

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Core Fundamentals Series

The AI Family Tree - Understanding AI, Machine Learning, and Deep Learning

Oct 17, 2025

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15 min read

The AI Family Tree - Understanding AI, Machine Learning, and Deep Learning

Episode CF05 : When "AI" Became a Marketing Masterpiece

Sanjeev Kumar Singh

Core Fundamentals Series

The Three Tiers of AI [The Specialist, The Human, The Oracle]

Oct 14, 2025

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18 min read

The Three Tiers of AI [The Specialist, The Human, The Oracle]

Episode CF02: Defining AI

Sanjeev Kumar Singh

Core Fundamentals Series

Oct 13, 2025

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14 min read

What is Artificial Intelligence ?

Episode CF01 : [And Why It's More Like a Puppy Than a Brain] When the AI Discovered Infinite Treats

Sanjeev Kumar Singh

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AI in Financial Systems

How Machines Understand Documents

HashiCorp Vault RBAC + Secrets Rotation

Why Model Lifecycle Differs From Software Lifecycle

How Banks Approve AI Systems: The Governance Lifecycle

Why Retrieval Beats Fine-Tuning in Regulated Environments

How Embeddings Represent Meaning and Similarity

The AI Family Tree - Understanding AI, Machine Learning, and Deep Learning

The Three Tiers of AI [The Specialist, The Human, The Oracle]

What is Artificial Intelligence ?

Phase 1 — Enterprise AI Deployment Toolkit

Phase 1 : Foundations of Enterprise AI Deployment

Core Fundamentals Series

Phase 2 — Data Governance & Security Controls

Phase 2 — Data Controls & Security Enforcement

Continue the Work