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codebuddy07

Ruhul A

@codebuddy07

Full Stack Developer for Nextjs, NestJS and React Native apps

Bangladesh
English, Hindi, Bengali
About me
I build and maintain web and mobile apps: Next.js front ends, NestJS APIs on PostgreSQL, and React Native apps with Expo. Three years of production work and 17 products shipped, including a wholesale ERP, a multi-tenant retail POS, a comic shop storefront with Stripe and PayPal, and five apps taken through App Store and Play review. Typical jobs: finishing or fixing an existing codebase, speeding up a slow site, adding payments, publishing an app. I reply the same day and send a short written summary with every delivery.... Read more

Skills

c
codebuddy07
Ruhul A
Offline • 

See my services

Mobile Store Management
I will publish your app to the app store and google play
From$80 / projectMore details
Bug Fixes
I will fix bugs and errors in your react, nextjs, node or nestjs app
From$30 / projectMore details

Portfolio

Work experience

CodeMines

Co-founder and Product Engineer

CodeMines • Self-employed

Jun 2026 - Present • 3 mos

Product studio started with former SparkTech colleagues. I own the back end and mobile side: NestJS APIs on PostgreSQL with Prisma, Next.js dashboards, React Native apps with Expo, Docker deployments on VPS behind Nginx. Recent work: a wholesale ERP (inventory, invoicing, ledgers), a multi-tenant retail POS SaaS, and the storefront, payments and server hardening for Berzerker Furrey Comics (Next.js, NestJS, Stripe, PayPal).

SparkTech_Agency

Full Stack Developer

SparkTech Agency • Full-time

Jun 2025 - Jun 2026 • 1 yr

Delivered production back-end and mobile solutions for agency clients. Shipped four React Native applications to the App Store. Developed TermSheetGenie, a VC modelling SaaS with a complex simulation engine. Built e-commerce storefronts and marketplaces integrating Stripe, BullMQ, and Socket.IO. Managed JWT/OAuth2 authentication and event-driven architectures.