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Mahmoud – Node.js, SQL, Solidity, experts in Lemon.io

Mahmoud

From Turkey (GMT+3)

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Back-end Web DeveloperMiddle
Hire developer
14 years of commercial experience
Cryptocurrency
Logistics
Retail
Enterprise software
ERP
Mobile apps
Platforms
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Mahmoud – Node.js, SQL, Solidity

Mahmoud is a Middle Backend Developer specializing in Node.js. He has a solid background in building desktop applications and a good grasp of Object-Oriented Programming principles. Mahmoud also brings experience in developing commercial APIs with TypeScript and some familiarity with CI/CD pipelines using GitHub Actions. Additionally, he has exposure to microservices architecture and cloud platforms such as Microsoft Azure and Google Cloud Platform (GCP). Mahmoud's technical skills and experience make him a reliable developer.

Main technologies
Node.js
4 years
Additional skills
SQL
Solidity
Delphi
Microsoft SQL Server
React Native
MongoDB
Angular JS
React
Typescript
Solidity
Redis
PostgreSQL
Amazon ECS
Firebase
ERC721
Oracle
Web 3.0
MongooseODM
GraphQL
ERC20
Lambda
DynamoDB
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Back-End Web Developer
May 2022 - Jul 20222 months
Project Overview

A Project for Creating, Minting, Burning, and Managing Ethereum Tokens.

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Responsibilities:
  • Developed using Clean Architecture
  • Implemented Micro-Services
  • Implemented Clustering
  • Implemented User and Session management using Redis Store
  • Did the integration with PostgreSQL DB using Sequelize library
  • Did the integration with MongoDB using the Mongoose library
  • Implemented logging system
  • Implemented Caching system using Redis
  • Implemented two optional Smart Contracts for ERC20(ERC777) and ERC721(NFT) standards
  • Implemented Compiling and Deployment of Smart Contract using Hard-Hat framework
Project Tech stack:
Node.js
Typescript
Solidity
Redis
MongoDB
PostgreSQL
Back End Developer
Jan 2018 - Jul 20224 years 6 months
Project Overview

A Product Information Management (PIM) system

  • Vendor Management
  • Retailer Management
  • Product Information and Enrichment Management
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Responsibilities:
  • Implemented Product Import Micro-Service
  • Implemented B2C (Woo-Commerce) Integration module
  • Participate on Implementing Product Import module
  • Participate on Implementing User Management
Project Tech stack:
Node.js
MongoDB
Angular JS
React
Team Lead, Senior Back-End Web Developer
Jul 2017 - May 20224 years 10 months
Project Overview

This project is an ERP solution. The main features are:

  • Point of Sale
  • Inventory Management
  • Customer Management
  • Shipping and Delivery
  • Physical Inventory Management
  • Reporting Modules

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Responsibilities:
  • Created an API service (as Developer and Team Lead)
  • Created an eCommerce Integration module (as Developer and Team Lead)
  • Created an Image Editor module (as Team Lead)
  • Implemented Blockchyp Payment device integration (as Developer and Team Lead)
  • Implemented a QuickBook Integration module (as Developer and Team Lead)
  • Created a very detailed Technical Document from DB and Source (as Team Lead)
  • Many minor features and improvements
Project Tech stack:
Delphi
Node.js
Microsoft SQL Server
Team Lead, Senior Back End Developer
Jun 2018 - Apr 20201 year 10 months
Project Overview

It was a Mobile Application project for RMPro ERP users. The main features which were developer:

  • Inventory List
  • Shopping Card
  • Service Management
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Responsibilities:
  • Implemented whole Back-end architecture and APIs
  • Did the inventory List Inquiry API
  • Developed the new Invoice API
  • Uploaded Product Images for Service Invoice
Project Tech stack:
Node.js
React Native
Delphi
Microsoft SQL Server

Education

2019
Electronic Engineering
Unfinished

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