Architectural Rigor Built on Decades of High-Consequence Core Banking Deployments
Makarachi IT Consultancy Inc. was founded on an unyielding principle: mission-critical financial systems cannot be delegated to generic management consultancies or junior system integrator pods. We are a sovereign practice of former Tier-1 Chief Architects, payment rail engineers, and distributed systems specialists retained directly by boards, CIOs, and steering committees.
Zero software reseller margins, vendor kickbacks, or off-shore utilization quotas. Complete alignment with executive boards.
The Advisory Philosophy & Core Tenets
Every engagement is bounded by four immutable principles designed to safeguard our clients from vendor capture, technical drift, and cutover vulnerability.
Fiduciary Engineering Neutrality
We sell zero software licenses and accept zero referral fees. Our sole loyalty is to your balance sheet, architecture longevity, and regulatory compliance. We audit vendor claims against harsh transaction realities.
Principal-Led Execution
No bait-and-switch staffing. The principals who conduct your technical briefing are the exact architects authoring ADRs, inspecting CDC pipelines, and directing cutover dry runs in the war room.
Deterministic Over Hopeful
We reject marketing-driven migration promises. Every cutover, shadow ledger sync, and payment rail integration is backed by mathematical parity, verifiable test harnesses, and automated rollback circuits.
Production-Hardened Realism
Having led turnarounds across legacy mainframes, modern cloud cores, and ISO 20022 hubs, we know exactly where vendor documentation ends and real-world latency, locking contention, or data drift begins.
Leadership & Principal Advisory Practice
Each principal possesses over two decades of front-line engineering and architecture authority in mission-critical financial software ecosystems.
Marcus Vance
Managing Principal & Chief Banking Architect
London / New York
Chief Enterprise Architect at Global Tier-1 Investment & Retail Bank; Principal Architect at Temenos Core Advisory.
Directed $38B asset core bank migration with 0s unplanned downtime; authored the deterministic dual-run coexistence framework utilized across 7 multi-tenant banking groups.
Dr. Elena Rostova
Partner & Practice Lead, Payments & Real-Time Rails
Zurich / London
Head of Clearing Architecture at European Central Clearing Consortium; Senior Systems Specialist at SWIFT.
Built sovereign multi-acquirer least-cost routing engine processing $18B cross-border GMV; designed zero-latency FedNow participant gateway with automated continuous liquidity reconciliation.
Kaelen Chen
Principal Systems Architect, Distributed Integration & Data
New York / Boston
Head of Data Engineering at Multi-State Credit Union Consortium; Lead Kafka Architect at Global Financial Infrastructure.
Engineered automated shadow ledger test harness auditing 120M+ live transactions across 180 continuous operating days, achieving bit-level balance verification across heterogeneous databases.
Sarah Jenkins, QC / FCG
Senior Advisory Director, Regulatory Governance & Assurance
London / Washington D.C.
Regulatory Supervisory Examiner at Federal Reserve / PRA Advisor; Partner at Financial Regulatory Practice.
Successfully navigated 4 high-consequence core cutovers through intense supervisory examination with zero regulatory sanctions or mandatory operational pauses.
The Extended Advisory Network & Specialized Delivery Pods
Beyond our core principals, Makarachi operates a curated sovereign network of senior associate specialists who deploy into dedicated high-consequence pods:
Mainframe & Legacy Coexistence Pod
Bi-Directional Synchronizers
COBOL, CICS, IMS, DB2, VSAM, and Assembler bridge specialists dedicated to building safe event tap-points on legacy ledger estates without touching core code.
Real-Time Payment Rails & ISO 20022 Pod
Zero-Downtime Cleared Rails
PACS.008/002 translation specialists, FedLine Direct integrators, SWIFT MX compliance engineers, and Hardware Security Module (HSM) deployment experts.
Shadow Ledger & Data Migration Pod
Continuous Data Verification
Debezium CDC engineers, Apache Flink streaming reconciliation designers, CockroachDB performance tuners, and TigerBeetle financial ledger specialists.
Cutover Command & Rehearsal Pod
T-Minus Execution Control
T-minus runbook commanders, war room orchestration conductors, and automated rollback verification engineers seasoned across 50+ dry runs.
Ecosystem Mastery & Engine Expertise
Evaluated with strict fiduciary independence. Zero commercial partnerships, zero commission agreements, zero vendor bias.
Operating Footprint & Regulatory Hubs
Strategically located within the world's primary financial oversight corridors for direct on-site steering committee presence.
London
100 Bishopsgate, Level 24
London, EC2N 4AG, United Kingdom
New York
One World Trade Center, 72nd Floor
New York, NY 10007, United States
Zurich
Gotthardstrasse 26
8002 Zürich, Switzerland
Schedule an Executive Architecture Review or Retain Advisory Governance
Whether evaluating a critical core banking vendor RFP, preparing a mission-critical cutover weekend, or requiring non-partisan steering committee oversight, speak directly with our practice principals.