AvailableOpen to remote full-stack & backend roles

Hi, I'm Md Ariful Islam 👋

I design & ship
production SaaS
end to end.

Full-stack engineer with 4+ years of experience turning ideas into scalable products: multi-tenant SaaS, e-commerce, healthcare and AI-driven marketing platforms. I own the whole path: system design, backend, web and mobile apps, DevOps and launch.

See the 39-day buildGet in touch
GitHub LinkedInDhaka · GMT+6
Md Ariful Islam, Full-Stack Software Engineer

My last 12 months, straight from git

2,478 commits

215 active days · longest streak 33 days

Sep
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Hover a day for details · click a project to isolate itLessMore
Flagship project

Onescle, a complete e-commerce OS built from idea to production in 39 days

A multi-tenant SaaS that gives every merchant a storefront, an owner dashboard, courier booking, local payments, fraud protection, a POS and mobile apps, in Bangla and English.

Read the case studyVisit onescle.com
onescle.com
Onescle website
Onescle on mobile
39days to production
730commits
1,148API routes
178data models
757test files
7apps shipped

39 days, straight from the git history

730 commits between Aug 22 and Sep 29, 2026. Every phase maps to real commits.

  1. 1
    Day 1–2

    System design

    Monorepo, 59-section architecture doc, tenancy model, outbox + DLQ, first order and inventory modules.

  2. 2
    Day 3–10

    Commerce core

    Orders, inventory reservations, payments, shipping and media, with the storefront and both dashboards scaffolded.

  3. 3
    Day 11–17

    Platform & launch infra

    Admin platform, auth + 2FA, custom domains, RabbitMQ and brand identity. In production on Dokploy by day 17.

  4. 4
    Day 18–24

    Storefront engine

    Theme gallery, page-builder canvas, code registry and merchant onboarding.

  5. 5
    Day 25–31

    Growth & trust

    Meta Pixel + Conversions API, Fraud Shield, SEO, i18n and the marketing site.

  6. 6
    Day 32–39

    Apps & hardening

    Flutter seller app and desktop POS, PWA and security review. Live on Google Play.

System architecture

Follow a request from top to bottom: every visitor enters through Cloudflare (custom domains, SSL, security), reaches the apps, then one API and a background worker, load-tested at 10,000 shops.

Swipe to explore the diagram →

1USERS2EDGE3APPS4API5DATA6INTEGRATIONSShoppersyourbrand.com · shop.store.onescle.comMerchantsapp.onescle.com · mobile & POS appsPlatform adminsadmin.onescle.comCloudflareEvery request enters here. Merchants bring their own domain and SSL is issued automaticallyCustom domains + auto SSLWildcard *.store.onescle.comWAF + DDoS protectionCDN cache for mediaStorefrontNext.js 16 · SSROwner dashboardNext.js · Bangla/ENPlatform adminNext.jsSeller appFlutter · Android/iOSDesktop POSFlutter · offlineNestJS 11 + Fastify API53 modules · 1,148 routes · one OpenAPI contractBackground workeroutbox · retries · dead-letter queuePostgreSQL 17row-level security per shopRediscache · rate limitsRabbitMQevents · idempotencyCloudflare R2media · backupsPaymentsbKash · Nagad · SSLCommerz · StripeCouriersSteadfast · Pathao · RedX · CarrybeeMeta adsPixel + Conversions APIAI & SMSGemini · SMS gateway
Selected work

Products I've built and scaled

Solo SaaS products and large team platforms: healthcare in the Netherlands, AI marketing, bookings in Canada.

eduqaf.com
EduQaf website
EduQaf on mobile
Solo product~50 days to launch

EduQaf: Multi-tenant ERP for schools and madrasas

Admissions, attendance, exams, fees, payroll, SMS and a public website builder for every institution. Each one runs on its own subdomain or custom domain, in Bangla and English.

  • Two-layer tenant isolation: a Prisma extension scopes every query by institution, backed by Postgres RLS set per transaction.
  • Automatic wildcard subdomain per signup plus self-service custom domains through Cloudflare for SaaS with DNS-TXT verification.
  • Super-admin control plane and tenant ERP in one NestJS modular monolith, with tenant impersonation.
NestJS 11Prisma 7PostgreSQL 16RedisBullMQ
Read case study
rankmanager.ai
RankManager website
Team productMar 2026 – present

RankManager: AI-driven SEO, content and ads platform

Customers connect WordPress, Shopify or WooCommerce sites and let AI create and score content, track rankings, run paid ads and auto-publish to social platforms.

  • Top contributor to the NestJS API: ~800 of 1,550 commits on a 97-module, 269-model platform.
  • Paid-ads automation for Meta and TikTok: campaigns, bid strategies, ROAS floors, shared budgets, radius targeting and scheduled sync.
  • Creator Growth autopilot: social OAuth, AI asset analysis with viral scoring and multi-platform scheduled publishing.
NestJS 11Prisma 7PostgreSQLBullMQNext.js 16
Read case study
aevita.com
Aevita website
Aevita on mobile
Team productDec 2025 – present

Aevita: Medical weight-loss care platform in the Netherlands

Patients go from a medical intake to doctor approval, pharmacy delivery and ongoing coaching, with video consults, messaging and progress tracking across web and mobile.

  • Redesigned the multi-step intake funnel with BMI-based medication recommendation and funnel analytics.
  • Added Klarna to Stripe checkout, payment-link emails and the post-payment welcome flow.
  • Built coach dashboards, order management and role-based order actions for 7 clinical and admin roles.
Next.js 15SupabasePostgreSQL RLSDeno Edge FunctionsReact Native / Expo
Read case study

Swipe to see more →

Client work

Websites shipped for clients

E-commerce, service businesses and SaaS landing pages for clients in Bangladesh and the USA, designed, built and handed over live.

Toolbox

The tools I ship with

The main stack behind every product on this page: typed end to end, Postgres at the core, queues for anything slow.

TypeScript
JavaScript
React
Next.js
TanStack
Vue / Nuxt
Tailwind CSS
Vite
React Native
Expo
Flutter
Dart
Node.js
NestJS
Express
Fastify
Laravel
Python
Django
Prisma
Drizzle
Socket.IO
PostgreSQL
MySQL
MongoDB
Redis
RabbitMQ
Supabase
SQLite / D1
Docker
Cloudflare
AWS
Nginx
GitHub Actions
Linux
Git
Sentry
Claude
Gemini
OpenAI
Stripe
Meta Ads & CAPI
WordPress
Shopify
Google Analytics
Search Console
Figma
Experience

Four years of shipping

Roles, teams and the education behind them.

  1. 2026 – NowCurrent

    Software Engineer at Web-Company

    • Remote software engineer for a Netherlands-based company building SaaS products, webshops and websites.
  2. 2025 – 2026

    Full-Stack Developer at Way Wise Technology

    • Full-stack delivery for international SaaS products in healthcare, marketing and e-commerce.
    • Backend APIs, database design, third-party integrations and performance work.
  3. 2024 – 2025

    Full-Stack Developer at 360 Support

    • Built and optimised secure, high-traffic web applications and internal tools.
    • Owned the company website design and SEO.
  4. 2024

    Full-Stack Web Developer at Thoughtbridge

    • Built and maintained high-performance applications and REST integrations.
    • Introduced coding standards that improved the team workflow.
  5. 2023

    Junior Web Developer at Mathmozo IT

    • Improved UI/UX, fixed backend bugs and made sites responsive across devices.
4+years building for production, for teams in Bangladesh, the Netherlands, Canada and the USA

Education

BSc in Computer Science & EngineeringCanadian University of Bangladesh
Diploma in Computer ScienceHaji Abul Hossain Institute of Technology
Writing

Latest posts

All posts →
29 Sep 2026

How Onescle keeps every shop's data safe

Shop isolation enforced by the database itself, two-step sign-in, encrypted tokens, rate limits, backups and an audit trail. How Onescle protects every merchant, in plain language.

Read post
28 Sep 2026

How Onescle scales to 10k shops without slowing down

I loaded Onescle with 10,000 shops and 554,000 products and measured it. One missing index was making every shop pay for every other shop. Here is what I found and how Onescle grows.

Read post
27 Sep 2026

Why Onescle is the best way to run an online shop in Bangladesh

Six tools that never talk to each other, and fake COD orders you still pay for. Here is why I built Onescle, and why I think it fits how people in Bangladesh actually sell online.

Read post
Available for remote roles

Let's build something that ships.

Hiring for a remote full-stack or backend role, or need a product built end to end? I usually reply within a few hours.

arifnextdevs@gmail.com
WhatsAppChat nowLinkedInin/arifnextdevGitHub@arifnextdev
Dhaka · GMT+6

Send a message

I read and reply to every message personally.