Available as Contractor • 4+ Hours Daily Overlap with AEST

Zaid Ibrahem

Full-Stack Software Engineer • Backend & DevOps Specialist

Jakarta, Indonesia +6287720260011 Remote-first (GMT+7)

Results-driven Full-Stack Software Engineer with 3+ years of freelance experience specializing in building high-performance, secure backend infrastructures using Django and Node.js. Proficient in managing modern containerized workflows with Docker, deploying scalable applications on Linux VPS servers, and crafting multi-role cross-platform interfaces using Flutter and Python & Flet.

// Technical Expertise

Backend & Architecture

Python, Django, Node.js (Express.js), RESTful APIs, WebSockets, Secure Server-Side Logic, System Architecture.

Frontend & Mobile

Flutter (Cross-Platform Mobile/Desktop), Flet (Python UI), HTML5/CSS3, Dynamic Dashboards.

DevOps & Cloud

Docker Containerization, Linux VPS Administration, Nginx, Gunicorn, Reverse Proxies.

Databases & Advanced

PostgreSQL (Schema Normalization), MongoDB, JSON Storage, OpenCV, GLCM & HSV Algorithms.

// Experience

Freelance Full-Stack Engineer / Contractor

2023 – Present

Remote Target Markets

  • Architected, deployed, and maintained custom software solutions, backend APIs, and cross-platform applications for diverse regional clients.
  • Engineered secure user authentication frameworks (JWT) and multi-role access control layers across financial, educational, and logistics platforms.
  • Managed end-to-end production deployments using Docker and Linux VPS, ensuring maximum uptime, reverse proxy configurations, and clean version control workflows.

// Featured Projects

1. Vally Order – Multi-Vendor Delivery Ecosystem

2026

Role: Lead Backend & DevOps Engineer

Engineered a production-grade backend infrastructure from scratch to coordinate high-concurrency operations among customers, vendors, and couriers. Developed high-speed RESTful APIs using Django to feed Flutter mobile clients and built a comprehensive web dashboard for administrative oversight. Designed a normalized PostgreSQL schema and deployed on a Linux VPS with Nginx reverse proxies for maximum security.

2. Smart School Management System (school-system)

2026

Role: Lead Full-Stack & Cross-Platform Architect

A production-grade, multi-role cross-platform system designed to automate daily school operations (student enrollment, grades, tuition fees, salaries, and notifications). Features tailored, distinct dashboards for Admins, Teachers, Parents, and Students with a fully localized RTL Arabic UI powered by the Cairo font.

Key Implementations: Monolith architecture (7,000+ lines of Python) with multi-platform targets (Web, Desktop, Android APK). Robust SQLAlchemy 2.x ORM integration, automatic session context management, and dynamic Base64 asset storage.

3. Dermatological DIP Platform (DermaScan)

2026

Role: Image Processing & AI Developer

An innovative healthcare application leveraging digital image processing (DIP) to support preliminary skin condition tracking. Powered by OpenCV to extract texture and color features locally using GLCM & HSV algorithms and Feature Matching. Implemented an offline-first historical tracking workflow utilizing a flexible local JSON storage mechanism to eliminate server dependencies.

4. Resilient Emergency Dispatch System

2024

Role: Backend & Systems Architect

Designed and implemented a fault-tolerant backend system focused on handling rapid communication routing and critical dispatch operations under high network loads. Optimized API query execution and database connections to maintain low latency for time-sensitive applications.

5. University Management System

2024

Role: Desktop & Mobile Software Engineer

A multi-role academic automation environment. Features a Student Mobile App for course enrollment, grade tracking, lecture downloads, and smart QR scanner digital attendance check-ins. Includes a secure Admin Portal enabling comprehensive real-time control over student records.

Client NDA Protected / Codebase Private

// Education & Credentials

Bachelor of Science in Informatics Engineering

Graduated: 2026

Core Focus: Software Engineering, Web Architectures, Database Management Systems, Data Structures, and Algorithms.