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Kader1680/README.md

I'm Abdelkader Ould Henia

Backend Engineer | Go, Node.js, Laravel, PostgreSQL | Scalable & High Performance System & Query Optimization | Databases | I am Looking to Remote, Contract, Freelance, or Onsite Jobs


About Me

I am a Backend Engineer who thrives on technical autonomy, system design, and performance engineering. Over the past two years, I have focused heavily on the mechanics of backend infrastructure—from architectural design and database modeling to execution and cloud deployment.

What sets me apart is my engineering mindset: I don't just write functional code—I benchmark it under load, analyze execution plans, and build fault-tolerant systems designed for high traffic and reliability.

Value I Deliver & Core Capabilities

  • End-to-End System Architecture: I design backend systems, monolitch architectures, and robust API contracts (REST / gRPC) from scratch, taking full ownership of the lifecycle through to containerized deployment.
  • Database Design & Query Engineering: Skilled in designing normalized relational schemas (PostgreSQL / MySQL), writing complex joins, indexing strategies, and analyzing query execution plans to eliminate latency bottlenecks.
  • Asynchronous & Real-Time Architectures: Experienced in building event-driven systems and real-time streaming pipelines utilizing Redis Pub/Sub, message queues, and Server-Sent Events (SSE).
  • Performance & Load Testing: I rigorously benchmark backend services under stress, profile memory and CPU usage, and optimize bottlenecked endpoints for peak throughput under high traffic.
  • Execution & Technical Autonomy: I work remotely and independently, operating with high autonomy. I value clear, written technical specifications, documented architectural decisions, and clean, maintainable code.

My Social Media Links

kader_1680 LinkedIn YouTube Medium

Tech Stack & Skills

Backend

Backend frameworks

Databases

Databases

DevOps, Tools & Environment

DevOps and tools
OS and hosting

Testing

jest logo postman logo

Frontend Faculatif

Frontend design and styling
Frontend frameworks
UI libraries and state management

Pinned Loading

  1. Pimpcom Pimpcom Public

    Pimpcom Full-Stack E-Commerce (Next.js + NestJS + PostgreSQL)

    TypeScript 1

  2. High-Performance-Food-Delivery-Backend-in-Golang High-Performance-Food-Delivery-Backend-in-Golang Public

    A production-oriented food delivery platform designed to connect customers, restaurant owners, delivery drivers, and system administrators.

    TypeScript 2

  3. Yamli Yamli Public

    A full-stack social media application built using Node.js, Express, MYSQL, and Vue.js. This app allows users to register, log in, create posts (text/images), like and comment, follow/unfollow users…

    Vue 1

  4. url-shortener url-shortener Public

    Shortly is a full-stack link shortening service. It lets anyone paste a long URL and get a short one back instantly, and it lets registered users manage their links from a dashboard, disable or del…

    JavaScript 1