Domain 01SYSTEM ARCHITECTURE

Services

FinTech Architecture

ARC-01
FinTech Product Architecture
Technical Scope

Distributed core transaction engines, microservice domain modeling, event-driven ledger sync, and regulatory audit trail scaffolding.

Business Applications

High-volume digital platforms, neo-banking middleware, and multi-tenant financial SaaS tools.

Deliverables

Component topology schematics, data entity diagrams, API interface contracts, and fault-tolerance specs.

ARC-02
Payment System Technical Architecture
Technical Scope

Architecture models for third-party payment gateway integration, webhook orchestration, idempotency controls, and PCI-DSS compliance boundaries.

Business Applications

Checkout infrastructure, recurring billing systems, and payment routing middleware.

Deliverables

Payment state-machine diagrams, gateway integration blueprints, retry strategy documentation, and security checklists.

ARC-03
Database & Data Flow Architecture
Technical Scope

High-concurrency SQL/NoSQL schema modeling, read-replica configuration, caching tiers (Redis), and transactional consistency patterns.

Business Applications

Real-time balances, financial event streaming, and analytical data warehouse ingestion.

Deliverables

Normalized database schemas, caching topology maps, data flow pipelines, and migration roadmaps.

DATA FLOW ARCHITECTURE // TOPOLOGY v4.2
IDEMPOTENT SPEC
Ingress 01Client Payment API
TLS 1.3REST/gRPC
Ingress 02Webhook Ingestion
SignedHMAC-256
Ingress 03Core Gateway
Rate LimitToken Bucket
Distributed Message Broker & Event Log
Idempotent Pipeline
Partition: Tenant ID
Ordering: Strict FIFO
Replication: 3-Node Quorum
Immutable Ledger Store
ACID

Double-entry transactional accounting engine with strict ledger append-only constraints.

Read-Replica & Cache Tier
Sub-5ms

Distributed Redis memory caching layer for real-time customer balances and query fan-out.

Compliant with PCI-DSS isolation rules & SOC2 audit trail standards.
BOUNDARY SEC-04
Domain 02

API & System Integration

SYSTEM_TOPOLOGY_02 // GATEWAY_ROUTING
INSPECT MODE
Client & Upstream Channels
Legacy Core BankingmTLS / TLS 1.3
Third-Party FinTechmTLS / TLS 1.3
Enterprise CRM / ERPmTLS / TLS 1.3
ENCRYPTED INGRESS
Unified API Gateway & Governance
POLICY_TIER_ACTIVE
OAuth2 / OIDC
Token Verification
Token Bucket
Rate Limiting / SLA
Schema Validation
OpenAPI Contract
DISTRIBUTED SERVICE DISCOVERY
Downstream Services & Event Infrastructure
Payment BusgRPC
Account CoreREST
Kafka BrokerPub/Sub
Audit VaultLedger
SPEC: ISO 20022 / REST / GRAPHQLFAULT_TOLERANCE: ACTIVE-ACTIVE
BLOCK 0101
API Development & Integration
Technical Scope

RESTful and GraphQL interface engineering, OpenAPI/Swagger governance, OAuth2/mTLS authentication, and webhook reliability engineering.

Business Applications

Partner integration ecosystems, third-party core connections, and internal service unification.

Deliverables

API contract specifications, authentication workflows, gateway routing matrices, and developer documentation standards.

BLOCK 0202
Enterprise Software Architecture
Technical Scope

Service-oriented architecture (SOA) transitions, enterprise message queues (Kafka, RabbitMQ), and distributed transaction management.

Business Applications

Enterprise ERP/CRM synchronization, multi-vendor core platforms, and distributed business logic execution.

Deliverables

Enterprise system landscape map, service interaction sequence diagrams, and integration test protocols.

Domain 03INFRA-SPEC

Cloud Infrastructure

SVC-301
Cloud Architecture on AWS and Azure
Technical Scope: Multi-region VPC topology, Infrastructure as Code (Terraform), Kubernetes cluster orchestration, and IAM least-privilege security.
Business Applications: High-availability cloud migrations, multi-cloud disaster recovery, and sovereign compliance hosting.
Deliverables: Terraform infrastructure blueprints, network security maps, IAM policies, and cloud cost optimization plans.
SVC-302
Backend Infrastructure Consulting
Technical Scope: Containerization strategy (Docker), CI/CD pipeline automation (GitHub Actions, GitLab), and zero-downtime deployment pipelines.
Business Applications: Engineering team velocity improvements, release quality control, and deployment standardizations.
Deliverables: Pipeline workflow architecture, container security scanning specs, and staging/production environment configs.
SVC-303
System Scalability & Optimization
Technical Scope: Bottleneck profiling, database query indexing, load balancer distribution policies, and horizontal auto-scaling configurations.
Business Applications: High-traffic transaction surges, market open volume management, and low-latency API execution.
Deliverables: Performance audit reports, stress testing benchmarks, caching strategies, and auto-scaling rulebooks.
Topology: AWS / Azure Multi-Zone Cluster
STATUS: VERIFIED
Edge Security & DNS IngressWAF + CloudFront / CDN
Primary Ingress (us-east-1)0.8ms
Failover Ingress (eu-west-1)Standby
Container Orchestration (EKS / AKS)HPA Auto-Scale
Node Pool AlphaAPI WorkersLoad: 34%
Node Pool BetaEvent ProcessingLoad: 28%
Node Pool GammaTelemetry / AuditLoad: 19%
Distributed Persistence & CachingMulti-AZ Synced
Aurora PostgreSQLAZ-1A
Read/Write Cluster Master
Redis ClusterAZ-1B
In-Memory Sub-ms Cache
IaC: Terraform 1.8+
Replication: Synchronous
SLA: 99.99% Architecture Target
Domain 04

IT Consulting & Strategy

MODERNIZATION_ROADMAP.SCHEMATIC
REV 4.2
01
Phase 01Telemetry Active
Audit & Baseline

Codebase topology, dependency mapping & vulnerability index

02
Phase 02Interface Routing
Strangler Facade

API gateway abstraction layer & zero-downtime routing proxies

03
Phase 03Data Partitioning
Domain Decoupling

Event-driven asynchronous messaging & isolated service data stores

04
Phase 04Steady State
Production Governance

Automated regression pipelines, latency monitors & SLA thresholds

Strangler Facade Protocols
Architecture Verified

Legacy System Modernization

SVC-041

Technical Scope: Monolith-to-microservices strangler patterns, legacy database de-coupling, automated testing wraps, and technical debt deprecation.

Business Applications: De-risking legacy core replacements, eliminating end-of-life framework dependencies, and unlocking agile feature delivery.

Deliverables: Modernization roadmap, strangler facade designs, risk mitigation plans, and data migration protocols.

Technical Architecture Reviews

SVC-042

Technical Scope: Comprehensive architectural due diligence, security posture audits, codebase structure inspection, and scalability scoring.

Business Applications: Pre-acquisition technical audit, venture capital due diligence, and enterprise architecture health checks.

Deliverables: Architecture health scorecard, security vulnerability matrix, technical debt ledger, and remediation roadmap.

IT Strategy & Implementation Planning

SVC-043

Technical Scope: Technology stack selection, engineering governance frameworks, architectural runway planning, and vendor technical evaluations.

Business Applications: Multi-year technology roadmaps, engineering organization scaling, and core technology standardization.

Deliverables: Technology selection matrices, engineering governance charters, implementation timelines, and resource estimates.

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