Open to Remote Roles
Jamalpur / Dhaka, Bangladesh
Md. Ariful Islam Samrat

Md. Ariful Islam Samrat

Full Stack Developer & DevOps/MLOps Engineer with 6+ years of production experience building commercial SaaS across e-commerce, healthcare, agri-tech, and education entirely solo. Author of Kui (JS) and Payra (Go) frameworks. Architect of 200+ technical labs at Poridhi.io.

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Years Production Exp
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DevOps & MLOps Labs Built
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Commercial Platforms Solo Built
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Kui (JS) & Payra (Go) Author
Profile Overview

Architecting End-to-End Systems

Combining solo full-stack product building with battle-tested DevOps & MLOps infrastructure engineering.

Engineering Philosophy

Since 2020, I have operated at the intersection of full-stack product development and infrastructure operations. Having built 5 live commercial SaaS products completely solo—ranging from restaurant POS systems to health management and e-commerce—I design applications with operational simplicity and high performance in mind.

At Poridhi.io, I authored 200+ technical labs educating professionals globally in Kubernetes, Terraform, Prometheus, and Agentic AI workflows with Claude Code and puku-cli.

Full Product Lifecycle Ownership: Conceptualization to Production deployment.
Hybrid Infra Specialist: Proxmox on-premise clusters + Cloudflare Tunnels & Multi-cloud (AWS/GCP).
Agentic AI Workflows: Multi-agent orchestration & automated CI/CD lab pipelines.

System Architecture Highlights

TA Support System @ Poridhi

NestJS + Next.js + Socket.io + BigBlueButton + MinIO + FastAPI AI Routing for real-time video TA queueing.

Sentry Production Error Audit

Audited & resolved 53 production frontend issues; delivered formal engineering resolution report.

Hybrid Cloud-Offline SaaS Deployments

Engineered dual cloud + on-premise offline capability for restaurant POS & health management.

CLASSIFIED DEV DOSSIER

DEV BOOKING BOARD // TARGET FILE: #SAMRAT-DEV-604

VERIFIED TOP 1% ENGINEER
6'3" 6'0" 5'9" 5'6" 5'3"
Md. Ariful Islam Samrat Mugshot
SUBJECT: SAMRAT, MD. ARIFUL
ROLE: LEAD DEV & DEVOPS ARCHITECT
ALIAS: KUI & PAYRA AUTHOR
CAPABILITY: FULL STACK + DEVOPS + MLOPS
PROD RECORD: 200+ LABS, 5 LIVE SAAS

How My Skills Connect As A Best Software Engineer

Most developers focus only on writing front-end or back-end code. My true engineering edge comes from connecting full-stack development, custom framework architecture, hybrid cloud operations, and agentic AI automation into a unified production ecosystem.

PILLAR 01

Full-Stack Dev + DevOps Fusion

I write application code with full awareness of Linux kernel networking, Docker container boundaries, and K8s pod lifecycles. This eliminates deployment bottlenecks, ensures zero-downtime rollouts, and maximizes hardware efficiency.

PILLAR 02

Low-Level Framework Creator

Engineering custom frameworks like Payra (Go) and Kui (JS) from scratch gives me deep low-level mastery over HTTP routers, middleware execution pipelines, memory allocation, and database ORM abstractions.

PILLAR 03

Agentic AI & 10x Velocity

By orchestrating multi-agent AI workflows with Claude Code and puku-cli, I automate code scaffolding, parallel test generation, and CI verification—achieving 10x engineering velocity without sacrificing quality.

PILLAR 04

Hybrid Infra & High Availability

Bridging Proxmox bare-metal hypervisors with Cloudflare Tunnels and multi-cloud providers (AWS/GCP) ensures zero single-point-of-failure architectures and fail-safe operation for mission-critical SaaS platforms.

Self-Authored Frameworks

Kui (JS) & Payra (Go) Frameworks

Custom internal frameworks engineered from scratch for high-throughput microservices, zero-dependency routing, and production SaaS scalability.

Payra Framework

Go (Gin-Speed Engine + Laravel Batteries)
Go / Microservices

The internal backbone powering all 5 Fajr Web Services (FWS) live commercial SaaS platforms. Combines Gin's raw multiplex routing speed with Laravel-style ORM, migrations, context handlers, and JWT auth.

Gin-Speed Router Laravel ORM Batteries Built-in Migrations JWT Auth Engine Powers 5 Live SaaS
// Payra Framework (Go) - Microservice Server Bootstrapping package main import "github.com/arifulislamsamrat/payra" func main() { app := payra.New() app.Use(payra.Logger(), payra.Recovery(), payra.CORS()) app.GET("/api/v1/health", func(c *payra.Context) { c.JSON(200, payra.H{"status": "healthy", "framework": "Payra Go"}) }) app.Run(":8080") }

Kui Framework

JavaScript (Express-Style Zero-Dependency Engine)
Node.js / Systems

Lightweight Express-inspired backend micro-framework engineered solo during the KodeKonsole era for high throughput, zero-dependency middleware pipelines, instant boot times, and modular API routing.

Zero Dependency Middleware Pipeline Sub-millisecond Cold Boot Modular Router REST API Engine
// Kui Framework (JavaScript) - Zero-Dependency REST API const Kui = require('kui-js'); const app = new Kui(); app.use((req, res, next) => { console.log(`[Kui Engine] ${req.method} ${req.url}`); next(); }); app.get('/api/saas/status', (req, res) => { res.json({ framework: 'Kui JS', status: 'active' }); }); app.listen(3000);
Featured Work

Production SaaS & DevOps Projects

Commercial platforms operating live in production and open-source infrastructure projects.

Commercial E-Commerce

VoltNexGen

Full e-commerce platform with product management, cart, checkout, order tracking, and admin dashboard. Self-hosted on Proxmox behind Cloudflare Tunnel.

MERN Cloudflare Tunnel Proxmox Node.js
E-Commerce + POS

Rare Representation

E-commerce platform integrated with a custom POS system, featuring real-time inventory synchronization between physical retail channels and online storefront.

MERN Stack POS Engine Cloudflare Realtime Sync
Restaurant SaaS

Restauz Restaurant SaaS

Comprehensive restaurant SaaS supporting digital table ordering, kitchen display systems (KDS), billing, and inventory. Dual cloud + on-premise offline capability.

Next.js MERN Hybrid Cloud/Offline Proxmox
Healthcare SaaS

Medinityz Health

On-premise active health management software handling patient electronic medical records (EMR), doctor appointment scheduling, lab tests, and billing operations.

Next.js C3 Architecture On-Premise Ops PostgreSQL
Agri-Tech Platform

Agriculture Story

Agricultural project management platform combined with e-commerce storefront for farm project tracking, product listings, and supply chain management.

MERN Netlify Agri-Tech
School LMS

Fajr Academics LMS

Modern active school LMS for course content delivery, student progress analytics, automated quiz evaluation, and assignment tracking.

Full Stack LMS Payra Framework Go
MLOps Pipeline

ML Model Deployment

End-to-end ML model serving pipeline with REST API endpoints, Docker containerization, automated testing, and real-time Prometheus monitoring.

Python Flask Docker Scikit-learn PromQL
MLOps Infrastructure

Flask + Docker + MLflow

Production ML serving architecture with MLflow experiment tracking, PostgreSQL metadata backend, and Prometheus metrics alerts.

Flask Docker Compose MLflow PostgreSQL
K8s Security

Login Monitoring System

Multi-container login telemetry monitor with real-time unauthorized access alerting deployed on Kubernetes for high availability.

Kubernetes Prometheus PromQL Docker
Career Journey

Work Experience

Multi-angle engineering expertise across DevOps infrastructure, full-stack software development, and AI systems.

Junior DevOps Engineer

Poridhi.io (Remote)
May 2024 – Present | Dhaka, BD
DevOps & Infrastructure Angle
  • Authored and maintained 200+ hands-on production labs covering Docker containerization, Kubernetes pod orchestration, Terraform IaaS provisioning, and Prometheus/Grafana monitoring telemetry.
  • Configured automated CI/CD lab validation pipelines to test student lab submissions in isolated runner environments with instant feedback loops.
  • Executed Sentry production error auditing on Poridhi frontend; analyzed, isolated, and resolved 53 production frontend issues, delivering a comprehensive engineering audit report.
Software Development Angle
  • Architected and built the full-stack TA Support & Real-Time Queueing System using NestJS, Next.js, Socket.io, BigBlueButton video integration, and MinIO storage.
  • Engineered real-time WebSockets state synchronization to manage student-teacher video queues with dynamic queue balancing.
Agentic AI & Architecture Angle
  • Designed agentic coding curricula leveraging Claude Code and puku-cli for multi-agent CI pipelines and parallel Git worktree workflows.
  • Implemented FastAPI AI routing for intelligent queue assignment based on TA availability and subject specialization.

Teaching Assistant — DevOps

Poridhi.io
Jan 2024 – Apr 2024 | Dhaka, BD
DevOps & Support Angle
  • Mentored working industry professionals 1-on-1 through complex Kubernetes cluster setup, ingress routing, CNI networking, and Docker storage volume troubleshooting.
  • Guided learners in writing modular Terraform state files and Prometheus PromQL metric queries.
Development & Automation Angle
  • Developed automated Shell and Python verification scripts to grade student lab tasks programmatically and pinpoint configuration errors in real time.

Lead Developer

Fajr Web Services (FWS)
2021 – Present | Self-employed
DevOps & Infrastructure Angle
  • Configured and maintained Proxmox VE bare-metal hardware hypervisors running isolated virtual machines and Docker containers behind Cloudflare Tunnels for secure zero-trust access.
  • Implemented dual hybrid cloud + on-premise offline failover synchronization for restaurant POS and health management installations.
Software Development Angle
  • Architected and solo-built 5 live commercial SaaS platforms: VoltNexGen (E-Commerce), Rare Representation (POS + Shop), Restauz (Restaurant POS/KDS), Medinityz (Health EMR), and Fajr Academics (School LMS).
  • Created and maintains Payra (Go framework) — the internal high-performance Gin-style engine with ORM batteries powering all FWS microservices.

Lead Developer

KodeKonsole
2020 – 2021 | Self-employed
DevOps & Deployment Angle
  • Automated deployment scripts, Nginx reverse proxy routing, and SSL certificate provisioning for early SaaS web applications.
Software Development Angle
  • Solo-built agriculturestory.com — an agri-tech project tracking engine combined with an e-commerce marketplace.
  • Designed and open-sourced the initial version of Kui JavaScript framework for fast, zero-dependency Node.js REST API creation.
Competencies

Technical Skills Matrix

Proficiency across low-level programming, cloud infrastructure, and modern AI orchestration.

Languages

JS / TS Go Python C / C++ Shell Script Ruby Assembly R

DevOps & Cloud

Docker Kubernetes Terraform Ansible AWS GCP Azure CloudFormation

CI/CD & Monitoring

GitHub Actions GitLab CI Jenkins Prometheus Grafana PromQL MLflow Sentry

Frontend

React.js Next.js Tailwind CSS Framer Motion HTML5 / CSS3

Backend & Databases

Node.js Express.js NestJS Go (Gin / Payra) Flask / FastAPI PostgreSQL MongoDB Redis

AI & Infrastructure

Claude Code puku-cli Multi-agent Orchestration Cloudflare Tunnels Proxmox VE On-Premise Ops Nginx / Linux
Get In Touch

Let's Build Together

Available for full-time remote engineering roles, DevOps contracts, or technical collaboration.

Contact Channels

Feel free to reach out directly via email or call. Quick response guaranteed.

Direct Email

arifulislamsamrat@gmail.com

Phone / WhatsApp

+88 01907617279

Official Website

mdarifulislam.dev

Base Location

Jamalpur & Dhaka, Bangladesh (Open to Remote Worldwide)

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