VZNRS // PROJECTS
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Engineering Case Studies

A catalog of bespoke software platforms, high-concurrency data systems, and operational backbones engineered for organizations that outgrew spreadsheets, off-the-shelf SaaS, and manual fragmentation.

01 / CASE STUDY HIGHLIGHTVERTICAL: INSTITUTIONAL EDTECH
ENV: PRODUCTION [ACTIVE]

Education Management Platform / LMS — Centralizing fragmented school operations for 400+ daily users.

An institution managing attendance, student evaluations, payments, and messaging across separate spreadsheets and WhatsApp groups reached an operational breaking point. We engineered an unified platform integrating attendance tracking, grade calculation, and parent communications into one real-time relational dashboard.

400+
DAILY ACTIVE USERS

Across students, faculty, and administrative staff

-82%
ADMIN TIME REDUCTION

Eliminated manual weekly report compilation

DEPLOYMENT TOPOLOGYAWS ECS // TAILSCALE
01. INGRESS:Cloudflare Zero Trust + WAF
02. RUNTIME:Next.js 14 App Router (Edge)
03. DATABASE:PostgreSQL (Multi-AZ Replica)
04. QUEUE ENGINE:Redis BullMQ Worker Pool
CONCURRENT ACTIVE SESSIONS412 / 500 CAPACITY
P99 RESPONSE: 44MSERROR RATE: 0.000%
02 / CASE STUDY HIGHLIGHTVERTICAL: FINTECH & RECONCILIATION
ENV: PRODUCTION [ACTIVE]

Multi-Currency Settlement & Ledger Engine

Real-time idempotent double-entry reconciliation across 14 global banking rails routing $42M+ monthly volume.

$42M+
MONTHLY VOLUME ROUTED

Zero ledger discrepancies across 14 banking rails

99.4%
RECONCILIATION AUTOMATION

Cut settlement cycle from 48 hours to under 2 seconds

DEPLOYMENT TOPOLOGYGCP CLOUD RUN // TERRAFORM
01. INGRESS:Kong API Gateway + mTLS
02. RUNTIME:Go Microservices + gRPC
03. DATABASE:CockroachDB (Distributed SQL)
04. QUEUE ENGINE:Apache Kafka Stream Workers
CONCURRENT ACTIVE SESSIONS1,840 / 2,000 CAPACITY
P99 RESPONSE: 18MSERROR RATE: 0.001%
03 / CASE STUDY HIGHLIGHTVERTICAL: LOGISTICS & SUPPLY CHAIN
ENV: PRODUCTION [ACTIVE]

Fleet Dispatch & Warehouse Operations Hub

Real-time route telemetry for multi-depot distribution synchronized across 6 regional fulfillment hubs.

2,200+
DAILY DISPATCH RUNS

Synchronized across 6 regional fulfillment hubs

-38%
IDLE TRUCK TIME

Optimized route loading with automated dispatch cues

DEPLOYMENT TOPOLOGYHYBRID K8S // AWS BATCH
01. INGRESS:Envoy Proxy + JWT Validator
02. RUNTIME:Node.js Fastify Cluster
03. DATABASE:TimescaleDB (Time-Series Telemetry)
04. QUEUE ENGINE:RabbitMQ Message Broker
CONCURRENT ACTIVE SESSIONS890 / 1,200 CAPACITY
P99 RESPONSE: 28MSERROR RATE: 0.000%
LETS TALK

Ready to engineer a reliable operational foundation?

Tell us about your current operational bottlenecks, manual friction, or software goals. We provide honest technical assessments, clear architectural scopes, and production-grade delivery timelines.

DIRECT CONTACT:adil@vznrs.coTYPICAL RESPONSE TIME: < 4 HOURS
01 // WORK EMAIL ADDRESS *[ ENCRYPTED ]
02 // WHAT NEEDS BUILDING OR FIXING? *[ SCOPE ]
03 // ESTIMATED TIMELINE