blockchain-network
A REST API that lets a Laravel backend work with EVM chains and TRON: wallets and address checks, native and ERC-20 / TRC-20 balances and transfers, transaction lookups and transfer-history scans by block range.
I'm Md. Sazid Hossain. I make Laravel business apps and, lately, Node.js services that let them talk to EVM chains and TRON: wallets, balances, token transfers and transaction history behind a clean REST API.
I'm a full-stack developer who started out building Laravel apps for businesses: an events company site, an inventory and distribution system, and a journal platform with its own editorial admin. That meant a lot of the unglamorous work I enjoy: data models, admin panels, roles and forms.
These days I'm moving into Web3 backend work. I write Node.js and Express services that let a Laravel app generate wallets, read balances and send native coins and ERC-20 / TRC-20 tokens on EVM chains and TRON. On the side I fork and study other people's infrastructure (bridges, indexer nodes, chain registries) to learn how it's built.
I'm currently with Grow Tech, based in Khulna, Bangladesh.
Public GitHub work, an upcoming personal vault app, and private Laravel apps at Grow Tech.
A REST API that lets a Laravel backend work with EVM chains and TRON: wallets and address checks, native and ERC-20 / TRC-20 balances and transfers, transaction lookups and transfer-history scans by block range.
Site and CMS for the South Asian Journal of Agriculture, with an admin for papers, issues, reviewers and editors.
Site and admin panel for an events business in Bangladesh: services, packages, galleries and ads.
Inventory and distribution system: stock, purchases, clients, zones, delivery staff and accounts.
Personal vault for warranties, subscriptions and loans/EMIs. Flutter app (Android first, iOS later) with Riverpod and go_router, Supabase backend, and a marketing site at keepiva.site. First mobile app build — still shipping phases.
Ecommerce back-office for catalog, orders, customers, inventory, shipments, and vendor purchasing. Covers fulfillment (couriers/shipments) and supply chain (POs, goods receipts, vendor bills).
Multi-tenant point-of-sale for retail shops — checkout, sales & returns, purchases, inventory, cash sessions, and expenses. Each store runs in its own tenant with role-based admin, OTP sign-in, and sales/inventory reports.
CRM admin foundation with OTP auth, roles & permissions, activity logging, and settings. Shared Laravel admin shell built to grow into contacts and pipelines — scaffolding so far, not a full CRM pipeline yet.
Need a Laravel app, an admin panel or an EVM / TRON backend? Tell me what you're building.
The road so far — public GitHub work and day-job apps at Grow Tech.
Public dates from GitHub; Grow Tech apps are private day-job work. · NOW AT GROW TECH
What I've shipped with, plus what I'm actively learning.
APIs, data models and admin logic.
Wallets, tokens and chain data from the server side.
Server-rendered admins and a first mobile app.
Getting code from laptop to server.
Laravel projects, admin dashboards, REST APIs or EVM / TRON integrations. Send a short note about what you need and I'll get back to you.
Say helloor write to sazid.hossain.1433@gmail.com