Enterprise Architecture & Integration

Bridging Systems.
Connecting Futures.

Solution Architect with 16+ years designing and delivering integrated solutions across Banking, Transport, and Telecom. Now bridging enterprise integration expertise with AI orchestration, agentic workflows, and LLM-powered automation.

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Architecture That Scales

Three disciplines, one integrated practice — designed to bring clarity to complex enterprise environments.

Integration & API Architecture

Designing robust, scalable integration layers that connect legacy systems with modern platforms. API-first strategies using OpenAPI 3.x, event-driven patterns, security enforcement with OAuth and mTLS, and governance frameworks built for enterprise reality.

Solution Architecture

End-to-end solution design for complex enterprise programmes. Translating business requirements into technical blueprints, aligning stakeholders across sales, operations, and IT, and guiding delivery from concept through production. TOGAF 9 certified.

AI & ML Integration

Embedding AI capabilities into existing enterprise architectures. Agentic workflow design, RAG pipelines, MCP orchestration, voice AI agents, and Human-in-the-Loop validation systems — practical AI that integrates with the systems you already run.

Delivered at Scale

Selected engagements across national rail, telecom, and financial services — spanning three continents.

National Rail · Belgium

Ticketing Integration Layer

Designed the API orchestration layer between frontend channels and the core reservation platform — handling 100,000+ orders per day, 80% from mobile. Delivered Order, Payment, and Fulfillment APIs serving web, app, resellers, cash desk, and B2B portal.

National Rail · Belgium

Nationwide Pricing Overhaul

Key contributor to the largest fare restructuring in 30 years, targeting 30% passenger increase by 2032. 1.3M cards sold in 6 months. Responsible for renewal integration across legacy cash desk and ticket vending machine channels.

Telecom · Belgium

API Platform Modernisation

Integration designer for a major Belgian telecom operator. Responsible for API design, security policy enforcement, and platform modernisation across 600+ APIs. Led platform selection evaluation for API management tooling.

Banking · South Africa

SOA Governance & Integration

SOA governance for a premier South African bank, delivering high-availability integration services for mission-critical applications including Online Banking. Designed SWIFT-compliant message transformation services bridging UK and South Africa operations.

Built on Enterprise Experience

Nithin Mohan — Solution Architect

Nithin Mohan

Solution Architect and integration specialist with 16+ years designing and implementing integrated solutions across Banking, Transport, and Telecom. Extensive international experience spanning the USA, South Africa, and Belgium.

Specialised in API governance, system integration strategy, and bridging the gap between legacy infrastructure and modern cloud-native platforms. Now applying Human-in-the-Loop principles to agentic workflows, LLM-powered automation, and AI-assisted validation systems through Arin Solutions BV. TOGAF 9 certified.

16+Years
3Continents
TOGAF 9Certified
BelgiumBased
Certifications
TOGAF® 9 Certified AI Generalist (Outskills) IBM API Connect v2018 Google Apigee (Coursera) IBM DataPower Certified IBM Cloud Private

Methodology, Not Guesswork

A structured approach to architecture engagement — designed for enterprise governance and stakeholder alignment.

Discover

Map the current landscape — systems, data flows, pain points, and stakeholder needs. Understand constraints before proposing solutions.

Design

Architect the target state with clear blueprints, integration patterns, and migration paths. Every decision documented, every trade-off explicit.

Deliver

Guide implementation alongside your teams. Architecture governance, API reviews, and hands-on support through to production readiness.

Let's Discuss Your Challenge

Whether you're modernising a legacy integration layer, defining API strategy, or exploring how AI fits into your enterprise architecture — I'd welcome the conversation.