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Open for Advisory & Technical Architecture

Arifur Rahman Chowdhury

Principal Distributed Systems & SRE Architect

A

Designing zero-downtime distributed consensus systems, high-throughput financial edge pipelines and memory-safe enterprise backends.

Dhaka, Bangladesh
arifur@zenvq.com+8801819000000GitHubLinkedIn
Tech Stack Matrix & Verified Production Metrics
Frontend EngineeringNext.js 14, React 18, TypeScript, Tailwind CSS and Framer Motion
Backend & Distributed SystemsGo, Rust, Node.js, PostgreSQL and Redis
Edge Latency MetricSub-42ms P99 Worldwide Edge Latency
Peak Concurrency / QPS250,000+ Requests / Sec Handled with Zero Drop
Featured Case Studies & High-Impact Deliverables

Global Edge Financial Clearing Router

• 2024
Principal System Architect

Problem: Legacy centralized servers suffered 380ms cross-continental latency and dropped concurrent checkout sessions during peak promotional flash sales.

Solution: Re-architected pipeline to decentralized Cloudflare Workers KV with cryptographic client signatures and local replica validation.

Sub-50ms Global P99Zero Lost OrdersLive Verification

High-Throughput Zero-Telemetry Media Engine

• 2024
Founding Engineer

Problem: High server processing bills and user privacy leaks in centralized video conversion microservices.

Solution: Engineered client-side WebAssembly ffmpeg pipeline with multithreaded fragment downloaders running 100% on local hardware.

$0 Server Infrastructure Cost100% Local PrivacyLive Verification
Professional Experience
Principal System Architect & Partner • ZenVQ Engineering Foundry2021 – Present

Directing architectural direction for sovereign edge infrastructure, zero-data-loss applications and luxury client web products.

Senior Distributed Systems Engineer • High-Scale Cloud Fintech2019 – 2021

Maintained 99.99% availability for core transaction routing engine processing 20M+ monthly events.

Education & Credentials
B.Sc. in Computer Science and EngineeringBangladesh University of Engineering and Technology (BUET) • Graduated with First Class Honours
2015 - 2019