worldbusiness

Senior Backend & Systems Developer

Senior Backend & Systems Developer

We build custom software and ecommerce platforms for mobile phone and electronics trading businesses.

Our focus is on developing high-performance backend systems that handle real business operations, including stock management, pricing control, order processing, and multi-channel sales.

We work with:

  •  Mobile phone wholesalers 
  •  Electronics distributors 
  •  Ecommerce businesses 
  •  Buyback and recycling companies 
  •  Import and export traders 
Core expertise includes:

  •  Wholesale ecommerce platform development 
  •  Backend system architecture for trading businesses 
  •  Inventory and pricing automation 
  •  B2B and B2C ecommerce systems 
  •  Scalable business infrastructure 
We understand how this industry works. Stock moves fast, pricing changes constantly, and businesses need systems that can operate reliably under pressure.

Our approach is to build platforms that:

  •  Improve operational control 
  •  Increase sales efficiency 
  •  Support high-volume trading 
  •  Scale with business growth 
We work with businesses that require serious systems, not basic websites, and are looking to build or improve their digital infrastructure.


Experience: 11 years

Yearly salary: $100,000

Hourly rate: $90

Nationality: 🇬🇧 United Kingdom

Residency: 🇬🇧 United Kingdom


Experience

Full-Stack Developer & Systems Architect
Hong Kong Wholesalers
2025 - 2025
Built and launched a complete B2B wholesale e-commerce platform for an electronics trading company based in Hong Kong. Led the full development and system structuring of the platform, transforming an offline business concept into a fully functional online wholesale operation. Designed the architecture to support international trade, high-volume product listings and structured service presentation. Developed a scalable front-end and backend workflow to manage product categories including mobile phones, tablets, laptops, accessories, smart devices and gaming products. Ensured the platform structure supported both retail visibility and wholesale enquiry flows. Implemented key business-critical features including product categorisation, enquiry handling, trade-focused navigation and structured service pages for sourcing, grading, logistics and international distribution. Worked closely on aligning the platform with real business operations, ensuring the system supported pricing logic, stock presentation and future scalability for wholesale growth. Focused on performance, usability and SEO-ready structure to enable long-term organic growth and visibility in a competitive global electronics market. Delivered a complete system that enabled the client to operate as a digital-first wholesale business and engage with international buyers from day one.
Full-Stack Developer & Systems Architect
Mobile Depot Europe
2025 - 2025
Built and launched a full-scale B2B wholesale platform for Mobile Depot Europe, focused on high-volume trading of mobile devices across the European market. Led the development and system architecture of the platform, designing it to support real-world wholesale operations including inventory management, pricing structures, customer segmentation and order workflows. Developed a scalable system to manage large product volumes including new, used and refurbished mobile devices, ensuring the platform could handle dynamic stock updates and trading activity efficiently. Structured the platform to support both front-end visibility and backend operational control, allowing the business to manage listings, pricing and customer interactions in a streamlined way. Worked on building a system-driven approach to wholesale trading, ensuring that processes such as stock handling, order flow and pricing logic were aligned with real business operations rather than just front-end presentation. Optimised the platform for performance, usability and SEO, ensuring strong search visibility and long-term scalability within a competitive European wholesale market. Delivered a complete digital system that enabled the client to operate efficiently as a wholesale business, supporting growth, automation and structured trading workflows.

Skills

business-development
product-marketing
solution
ui-ux-designer
web-designer
php
english