SAP® Certified Solution Architect

Amit Kumar Shaw | SAP Solution Architect

Architecting Lead-to-Cash for Global Enterprises.

Over 13 years of expertise bridging the gap between Accounting integrity and complex SAP digital transformations across BRIM, RAR, and S/4HANA.

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Core Architectural Focus

ERP Transformation SAP S/4HANA SAP BRIM SAP RAR SAP FSCM SAP FI
Amit Kumar Shaw

The Architect's Story

Bridging Financial Integrity with Digital Innovation.

With over 13 years of professional experience, my journey began in the rigorous world of Auditing and Taxation within a Chartered Accountant firm. This foundational decade in finance shaped my perspective: I don't just see code or configurations; I see the financial statements and regulatory compliance that drive a business.

As a Certified SAP Solution Architect, I specialize in architecting complex, end-to-end "Lead-to-Cash" ecosystems. My expertise lies at the intersection of SAP BRIM, RAR, and FSCM. I have a proven track record of leading global digital transformations for high-volume sectors including Telecommunications, SaaS, and Utilities.

Beyond technical delivery, I am a passionate advocate for Clean Core principles and knowledge sharing. Whether I am optimizing high-volume billing through multithreading or ensuring IFRS-15 compliance via BRF+ logic, my goal is always to deliver scalable, audit-ready solutions that future-proof the enterprise.

13+ Years of Experience
9+ SAP Specialized Years

Core Architectural Expertise

SAP BRIM (Lead-to-Cash)

Architecting high-volume subscription models across SOM, CC, and CI. Specializing in performance tuning and multithreading in Convergent Invoicing to handle enterprise-scale billing data for global Telecom and SaaS leaders.

  • Advanced Variant Configuration (AVC)
  • Subscription Order Management (SOM)

SAP RAR (Revenue Compliance)

Automating IFRS-15 / ASC-606 compliance through robust architectural design. Expert in establishing seamless real-time integration between BRIM, SD, and RAR to ensure synchronized revenue recognition.

  • Complex BRF+ Decision Tables
  • Multi-Element Bundle Allocation

SAP FSCM & FI-CA

Optimizing working capital and liquidity through automated Credit, Dispute, and Collections management. Leveraging RPA-led exception management (EMMA) to streamline high-volume utility billing operations.

  • Automated Credit Scoring
  • Real-Time External Cash Desks

S/4HANA Finance

Designing the Universal Journal as a "Single Source of Truth" for Multi-GAAP reporting. My technical designs are grounded in professional auditing experience, ensuring every architecture is inherently audit-ready.

  • Parallel Ledger Architecture
  • Global Asset Accounting

Industry Exposure

Telecommunication
Online Media Agency
Software (SaaS)
Power and Utilities
Manufacturing

Strategic Project Milestones

Lead Solution Architect

American Telecommunications Company

ERP Transformation Phase 1 (S/4HANA 2022)

The Mission

Consolidate fragmented telecom billing systems into a unified SAP S/4HANA BRIM architecture capable of processing massive financial transaction volumes.

1B+ Records / Month 70% Process Automation Real-Time Payments

Strategic Impacts

  • Architected CI data processing capable of handling 1+ billion records monthly.
  • Automated refunds, credit checks and reconciliation reducing manual effort by ~70%.
  • Integrated banking partners enabling real-time payment posting in SAP FI-CA.
  • Implemented FSCM Credit & Dispute integration across BRIM landscape.
Business Analyst

European Online Media Advertising Company

Project Amplify (S/4HANA 2021)

The Mission

Standardize global vendor settlement and accounts payable processes by implementing SAP BRIM on S/4HANA, enabling automated payment processing and scalable financial operations for a high-volume digital advertising ecosystem.

40% Faster Payments Automated Vendor Settlement

Strategic Impacts

  • Automated vendor payments using FI-CA Payment Program and DMEE.
  • Implemented three-way invoice validation improving payment accuracy.
  • Integrated OpenText for automated global check printing.
SAP RAR Consultant

Major Telecommunications Conglomerate

1ERP Transformation

The Mission

Enable IFRS-15 compliant revenue recognition by implementing SAP Revenue Accounting and Reporting (RAR) and integrating it with SAP BRIM and SD to automate complex telecom contract accounting processes.

IFRS-15 Compliance Automated Revenue Logic

Strategic Impacts

  • Configured BRF+ decision tables for automated revenue recognition.
  • Integrated SAP BRIM, SD and RAR for real-time contract accounting.
  • Migrated legacy revenue contracts ensuring accurate financial reconciliation.
Lead Solution Architect

American Software Company

Project Apollo (S/4HANA 1909)

The Mission

Implement a scalable SAP BRIM platform on S/4HANA to support subscription-based business models, enabling seamless order-to-cash processing, automated billing, and integrated revenue recognition.

60% Faster Order Flow Subscription Billing

Strategic Impacts

  • Integrated legacy ECC with S/4HANA SOM via MuleSoft.
  • Configured complex subscription products using AVC.
  • Implemented automated CI and FI-CA billing workflows.
Functional Consultant

Power & Utilities Company

SAP IS-U FI-CA

The Mission

Optimize SAP IS-U FI-CA workflows to streamline meter-to-cash processes, automate payment handling, and reduce manual intervention by leveraging RPA and multi-channel payment solutions.

80% Manual Reduction RPA Exception Handling

Strategic Impacts

  • Configured end-to-end FI-CA payment and clearing lifecycle.
  • Implemented RPA for EMMA exception management reducing manual effort by 80%.
  • Automated multi-channel payments across utilities billing processes.
Organizational Contribution

Innovation & Leadership

Beyond Project Delivery

The Mission

Boost efficiency, foster expertise, and create scalable solutions to drive organizational success.

Pre-Sales Mentoring AcuitiPay

Strategic Impacts

  • Co-developed enterprise solutions AcuitiPay and AcuitiMobi.
  • Mentored consultants in SAP BRIM, RAR and FSCM implementations.
  • Supported RFP responses and Proof-of-Concepts contributing to new business wins.

Strategic Expertise & Domain Origin

Core Methodologies

Expert in SAP Activate and Agile delivery models, leveraging tools like JIRA and SAP Solution Manager to manage complex enterprise transformation programs.

Finance-Driven Architecture

My background in Finance and Auditing enables me to design SAP architectures that align technology with financial compliance, regulatory governance, and scalable revenue operations across the Lead-to-Cash lifecycle.

Knowledge Hub

Technical Library & Publications

A curated collection of architecture-driven deep dives into SAP BRIM, SAP RAR, and Financial Transformation, synthesizing strategic and technical insights published across LinkedIn, Acuiti Labs, and my personal architecture blog.

Upcoming Publication

SAP BRIM: A Consultant's Guide

Currently authoring a comprehensive roadmap to mastering SAP BRIM. Stay tuned for the official launch and digital excerpt.

Integration

SAP RAR Integration with SAP BRIM

Architecting the flow between subscription billing and revenue recognition engines to ensure IFRS 15 compliance.

Published on Acuiti Labs
Taxation

SAP S/4HANA BRIM Integration with Vertex Tax

Handling global taxation complexities and automated tax calculations in high-volume subscription environments.

Published on Acuiti Labs
Financial Ops

Real-Time Processing in SAP FI-CA

Utilizing External Cash Desks to optimize payment processing and clearing cycles for Utilities and Telecom.

Published on LinkedIn
View All Resources

New insights published quarterly

Beyond the Architecture

Passions & Pursuits

Brass Locomotive Collection

Model Railroading (HO Scale)

Captured by the mechanical precision of Brass and Diecast steam locomotives. My collection highlights the intricate detailing of the steam era, bridging historical engineering with modern DCC/DC technology.

Layout: Planning Phase

AI + Finance

Elevating Transformation

AI-Driven Transformation

Passionately exploring how Gen-AI and Machine Learning reshape the financial landscape. I focus on elevating SAP ecosystems through autonomous revenue recognition, predictive credit scoring, and automated clearing cycles.

Recent Visits
  • Tokyo & Kyoto, Japan
  • Alaska, USA
  • Colorado, USA

Exploring the World

Travel provides the perspective needed to solve global-scale architectural problems. From the urban pulse of Japan to the wilderness of Alaska, these experiences fuel my creative approach to SAP solutioning.

Get In Touch

Let's Architect Your
Next Transformation.

Currently open to strategic consulting engagements, architectural reviews, and speaking opportunities regarding SAP BRIM, RAR, and AI in Finance.

Email Me [email protected]
Professional Network linkedin.com/in/amitkshaw