~/mhcybrootv2.4-prod
High-Throughput & Edge Systems Architect • Dhaka, BD

Mahmudul Hasan

@mhcybroot/ Systems & Concurrency Engineer

Full-Stack Software & Systems Engineer bridging the gap between high-throughput concurrent backends (Rust & Java 21), low-level hardware protocols (ZKTeco ADMS, RTSP), and modern reactive 3D platforms.

Explore Systems
2.5+ Yrs
Production Eng
Rust & Java
Axum & Spring 3.4
IoT & Edge
ADMS & RTSP
7+ Deploy
Multi-Node VPS
Mahmudul Hasan (@mhcybroot) - Systems Engineer Studio Portrait
Based in Dhaka, BD (UTC+6)
Available
EDGE TELEMETRY NODEONLINE (0 err)
Dhaka PoP Latency
12ms• 99.98% SLA
Tokio Async Workers
16 Cores/ Active
Core Architectures & Runtimes

Flagship Engineered Systems

Industrial-grade hardware middleware, high-concurrency microservices, and distributed transaction engines.

PMS-V2 Smart Parking Engine

Active v2.4-prod

Autonomous Edge-to-Cloud Vehicle Access Automation & Low-Latency Relay Control

<0.84ms OCR Trigger8 In / 8 Out Zero-Drop
STAGE 01: EDGE STREAM
Frigate AI RTSP

1080p@30fps hardware h.264 decoding with frame-difference vehicle detection triggers.

STAGE 02: ASYNC CORE
Tokio Axum Runtime

Rust 2024 zero-cost concurrent reactor. State management across multi-lane barrier state machines.

STAGE 03: HARDWARE RELAY
ZKTeco RS485 / GPIO

Direct hardware command serial loopback with heartbeat watchdog and fail-safe physical latch.

STAGE 04: STORAGE POOL
SeaORM + Postgres 16

32/32 async connection pool handling transactional ledger tariffs with microsecond indexing.

Rust 2024Axum 0.8Tokio AsyncSeaORMPostgreSQL 16Flutter POS
⚡ 12 Sub-daemons 0 Drops Under 10k RPS

Enterprise Skylink HRMS Suite

ZKTeco ADMS

High-throughput biometric protocol daemon handling raw HTTP push payloads from dozens of time attendance terminals concurrently.

RAW ADMS PROTOCOL INGESTIONVIRTUAL THREAD POOL
POST /iclock/cdata?SN=ZK-8820491&table=ATTLOG HTTP/1.1
Virtual Threads: Project Loom non-blocking punch synchronization
Java 21 LTSSpring Boot 3.4Project LoomWebSocketsPostgreSQL

Workstation Activity Monitor

Chrome MV3

Lightweight enterprise background service worker capturing focus drift and system telemetry with local hardware cryptography.

SYSTEM RESIDENCY & CRYPTOGRAPHY<0.01% CPU
AES-256 GCM offline IndexedDB buffer queue
< 14MB Resident Memory | 0.01% Background CPU Impact
Manifest V3TypeScriptSpring Boot 3.4WebSocketsIndexedDB
Production Instances

Live Commercial Deployments

Client platforms deployed on isolated cloud compute clusters with SSL/TLS termination and zero-downtime CI/CD.

https://skylinkltd.ai

Skylink Innovations Portal

Live in Production

Corporate interactive platform highlighting deep hardware integrations, automated security solutions, and biometric infrastructure.

React 19Three.jsTailwind CSSGSAP MotionEdge CDN
https://finaraprosolutions.com

Finara Property Solutions LLC

Live in Production

Financial technology and enterprise suite with interactive financial dashboards, risk calculators, and real-time ledger auditing tools.

React 19Three.js 3DTailwind CSSPostgreSQLNginx
https://homesyncllc.org

HomeSync Smart Automation

Live in Production

Spatial IoT visualizer allowing prospective clients to configure smart home topologies in real-time using interactive 3D scene controls.

React Three FiberGLTF PipelineTailwind CSSZustandCloud VPS
https://dreamzonebuilders.com

DreamZone Builders Inc

Live in Production

Commercial real estate engineering and structural design catalog platform optimized for high-resolution blueprint navigation.

Base UITailwind CSSFramer MotionCloudflare PagesVite
Verified Credentials & Trust

Engineering Leadership Endorsements

Verified references from senior engineering department heads and industry leaders.

“Verified Academic & Engineering Head

"Mahmudul possesses exceptional proficiency in low-level systems architectures, hardware protocol interfacing, and high-performance computing. His mastery over modern concurrency and rigorous engineering fundamentals sets him apart as an elite systems builder."

Engr. Niger Sultana
Head of Department (HOD), CST
Dhaka Polytechnic Institute (DPI)
“Verified Industry Executive Reference

"A rare breed of engineer who effortlessly navigates between hardware-level device communication daemons and enterprise web platforms. Mahmudul's execution on fault-tolerant deployments and real-time networking has been exemplary."

Nazrul Hasan Raju
Managing Director
Nexus Netro Ltd
Domains & Capabilities

Technical Arsenal

Disciplined selection of low-level languages, asynchronous primitives, and storage drivers.

Systems & Async

  • Rust 2024 (Tokio / Axum)Core
  • Java 21 LTS (Spring Boot 3.4)Loom
  • C / Low-Level SocketsPOSIX
  • Multi-threaded Daemonsmpsc
  • Zero-Copy Networkingepoll

Databases & Storage

  • PostgreSQL 16 (SeaORM)ACID
  • Spring Data JPA / HibernateCriteria
  • Redis Pub/Sub & CacheCluster
  • SQLite Embedded WALEdge
  • Async Connection Pools32/32

Hardware Protocols

  • ZKTeco ADMS (HTTP Push)Direct
  • RTSP / H.264 Video StreamFrigate AI
  • RS485 / RS232 Serial LoopBaud
  • GPIO Relay Barrier AutoLatch
  • Barcode Multi-Terminal SyncPOS

Frontend & DevOps

  • React 19 / TypeScriptModern
  • Three.js / React Three Fiber3D
  • MikroTik RouterOS (VLANs)BPO PBX
  • Ubuntu Linux VPS / DockerNginx
  • Flutter (BLoC Architecture)Mobile
Chronology

Career & Academic Chronicle

A proven track record of shipping zero-failure infrastructure, automated IoT drivers, and modern system backends.

Skylink Innovations Ltd

Oct 2025 – Present
IT Executive / Software & Systems Engineer

Designed and deployed an all-in-one corporate portal (Java 21, Spring Boot 3.4, React, PostgreSQL) serving 50+ daily active staff with RBAC security, dynamic shift scheduling, and leave lifecycles. Developed native AdmsService handling real-time HTTP push communication from ZKTeco biometric terminals.

SPY Security Solutions

Mar 2024 – Oct 2025
Software Executive / IoT & Systems Engineer

Architected a multi-terminal commercial parking automation platform (PMS-V2) with a high-concurrency Rust (Axum 0.8 + Tokio) backend and Flutter (BLoC) cross-platform frontend. Integrated ZKTeco gate barrier controllers via ADMS, embedded live CCTV feeds over RTSP/HTTP, and engineered anti-passback rules.

B.Sc. in Engineering (Equivalence) — Section A

Enrolled 2026 (In Progress)
The Institution of Engineers, Bangladesh (IEB) — AMIE

Advanced engineering curriculum covering system analysis, discrete mathematics, distributed networks, and computational logic.

Diploma in Engineering (Computer Science & Technology)

Session: 2021–2022
Dhaka Polytechnic Institute (DPI) • CGPA: 3.75 / 4.00 (Distinction)

Foundational computer science, data structures, algorithms, operating system storage, and computer network engineering.

SYSTEMS CAPACITY OPEN

Let's Engineer High-Throughput Systems Together

Available for mission-critical backend engineering, high-concurrency Rust/Java microservices, custom IoT daemon development, and low-latency architectural consultations.

info@mahmudulhasan.info.bd
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