API Sync: Avoiding Duplicate Orders
Idempotency keys, retries, and safe reprocessing patterns for ERP/POS integrations.
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Available for Work
Khondoker
Moin Hossain
> I am a
Software Engineer & Network Associate based in Dhaka. Focused on Android (Kotlin), Web Development, and Cisco Networking.
Experience
Hands-on since 2020
01. Technical Arsenal
Mobile & Software
- Kotlin (Android)
- Java SE/EE
- Python & Arduino
Web Development
- React.js & Node.js
- HTML5 / CSS3 / Bootstrap
- MySQL & Firebase
Networking & Tools
- CCNA (Routing & Switching)
- Ubuntu / Windows
- Hardware Diagnostics
Pro tip: recruiters scan fast. Keep your stack focused, back each skill with a project, and show proof with certificates + links.
Services
Practical solutions for businesses — from inventory sync to Android tools.
ERP / POS Integration
Stock, order, and customer sync across systems using secure APIs and reliable data flows.
- Laravel / PHP APIs
- WordPress + WooCommerce sync
- MySQL data consistency
Android Business Apps
Invoice, inventory, and admin tools designed for speed, offline use, and clean UX.
- Kotlin + MVVM
- Room (SQLite) offline-first
- PDF export + sharing
Web Apps & Dashboards
Responsive, fast web apps with modern UI and best-practice engineering.
- Auth + role-based access
- Performance & SEO basics
- Deployment-ready static builds
02. Projects
Data-driven project cards with filtering, search, and a case-study modal. Replace the example data in the script with your real projects.
Pro tip: include live demo, GitHub, screenshots, and impact metrics (users, latency, uptime, revenue, etc).
03. Professional History
Executive IT
@ SteadFast Courier
|
Jan 2025 – Apr 2025
Zigatola, Dhaka
- Maintained office IT infrastructure (LAN/Wi‑Fi, routers/switches, printers) and ensured smooth daily operations.
- Handled user support: OS/software setup, troubleshooting, performance tuning, and preventive maintenance.
- Supported logistics workflow tools and devices (barcode/label printers, scanning workflow, branch connectivity).
- Performed basic network troubleshooting (IP/DNS, cabling, access points), escalated complex issues, and coordinated with vendors.
- Created simple documentation/SOPs (checklists, common fixes, inventory notes) to keep support consistent and fast.
IT Support
Networking
Troubleshooting
Junior Executive IT
@ KaruPalli
|
Nov 2023 – Jun 2024
- Provided helpdesk support for day‑to‑day issues: hardware/software troubleshooting, OS installation, and device setup.
- Assisted with network & office setup (routers, switches, Wi‑Fi, cabling) and basic connectivity troubleshooting.
- Maintained documentation for common issues, device inventory, and handover notes for recurring tasks.
- Supported staff with productivity tools and ensured data safety practices (basic backup / file organization support).
Helpdesk
Office Network
Documentation
Hardware Engineer
@ KM Computer
|
Jan 2020 – Nov 2023
- Diagnosed and repaired desktops/laptops: component testing, replacements, BIOS/driver issues, and stability checks.
- Built and upgraded PCs based on customer requirements (budget, performance, workload) and ensured proper cable management.
- Performed software setup (Windows, essential tools), basic security hardening, and troubleshooting for performance issues.
- Delivered customer support: explaining issues clearly, recommending solutions, and ensuring devices were ready for use.
PC Build
Diagnostics
Customer Support
04. Education
// Academic
B.Sc. in Computer Science & Engineering
Canadian University of Bangladesh
Ongoing
Diploma in Engineering (CSE)
Daffodil Technical Institute
Result: 3.12 / 4.00 (2024)
// Quick Highlights
- Android development with Kotlin + Firebase.
- Full-stack basics: React, Node.js, REST APIs.
- Networking: routing/switching labs + troubleshooting.
If you want a stronger “Pro++++” impression, include: impact (numbers), links (GitHub + live demos), and proof (certificates) per skill.
05. Certificates by Skill
Put your certificate files (images/PDF) in assets/certificates/ and update the data in the script.
Notes & Problem Solving
Short write-ups to show how I think — concepts, tradeoffs, and clean explanations.
Offline-First Android Data
Room caching, sync queues, and UI states that feel instant even with poor network.
Request full write-up →Networking Basics for Real Jobs
Subnetting, VLAN design, and troubleshooting workflow — explained simply.
Request full write-up →06. Contact
Let’s talk
Hiring, freelance, or collaboration — send a message with what you need. I’ll reply as soon as possible.