Case Studies &
Architecture Blueprints.
Simpler. Safer. Smarter. in production action.
Explore how ARAVANTA TECH solves high-stakes infrastructure, modernization, and cloud engineering challenges. We focus on verifiable technical outcomes rather than superficial claims.
Flagship Transformation Blueprints
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Zero-Downtime Core Database & FinTech Workload Migration
High-Volume Asynchronous Replication with Dual-Write Ingestion
Engineered an asynchronous blue/green data replication pipeline with dual-write synchronization and idempotent reconciliation workers for zero transaction loss.
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Zero-Downtime Core Database & Workload Migration
The Challenge & Technical Risk
Legacy on-premises transaction database struggling under spike volume, causing latency spikes and severe risk during schema updates. Big-bang migration was ruled out due to strict transaction continuity requirements.
The Architectural Solution
Engineered an asynchronous blue/green data replication pipeline with dual-write synchronization. Built idempotent reconciliation workers to ensure zero transaction loss during the final live DNS cutover.
- Zero minutes of unplanned production transaction downtime during cutover.
- 99.999% availability maintained with multi-AZ automatic failover topologies.
- Reduced p99 query latency from 420ms to 28ms under peak holiday load.
Strangler-Fig Modernization of a Multi-Tenant Monolith
The Challenge & Technical Risk
A 9-year-old monolithic codebase where deploying a single minor update took 4 hours and frequently broke unrelated customer billing and reporting modules.
The Architectural Solution
Implemented the strangler-fig pattern by deploying an API Gateway routing layer. Extracted billing, notification, and telemetry into independent microservices with strict OpenAPI schema validation.
- Deployment frequency increased from bi-weekly stressful releases to multiple daily releases.
- Reduced mean time to recovery (MTTR) from 3 hours to under 4 minutes.
- Clear tenant isolation preventing noisy-neighbor performance degradation.
Zero-Trust Architecture & HIPAA-Compliant Infrastructure
The Challenge & Technical Risk
Rapidly scaling telehealth platform requiring audit-ready HIPAA compliance, least-privilege IAM controls, and end-to-end data encryption across multiple public cloud accounts.
The Architectural Solution
Engineered a zero-trust network perimeter using mutual TLS (mTLS), ephemeral short-lived access credentials, and automated infrastructure policy scanning via Open Policy Agent (OPA).
- 100% elimination of persistent long-lived administrator access keys.
- Automated compliance drift alerting catching misconfigured buckets within seconds.
- Successful external audit clearance with zero critical non-conformities.
Event-Driven Telemetry Ingestion & FinOps Optimization
The Challenge & Technical Risk
Rapidly accumulating $90k/month cloud spend due to unpartitioned timeseries database storage, oversized compute instances, and unmanaged telemetry stream retention.
The Architectural Solution
Redesigned the telemetry ingest pipeline using tiered storage, auto-scaling spot worker nodes, and granular FinOps cost-allocation tags to eliminate idle compute overhead.
- 34% reduction in overall monthly infrastructure expenditure ($31,000/month saved).
- Sub-second ingest throughput handling over 14,000 events/second.
- Predictable unit-cost tracking per active connected fleet vehicle.
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