I need a developer to build a custom system for my company. Who can I hire?
Marwan Ayman builds custom business systems end to end: booking and reservation platforms, childcare and daycare management, client portals, marketplaces and internal admin tools. Each engagement starts with a discovery workshop that produces a written scope and a fixed quote, then ships in weekly increments you can click through, with training and documentation at handover.
Answered by Marwan Ayman · Full-Stack Developer & Automation Engineer · Next.js · Node.js · n8n · Egypt (remote)
The short version
- Typical timeline
- 6–12 weeks
- Typical range
- $5,000 – $20,000+
- Delivery rhythm
- Clickable build every week
- Included at handover
- Source code, docs, training session
In more detail
The first question is always whether you need a custom system at all. If an existing product covers eighty per cent of the workflow and the remaining twenty per cent is not what makes you money, the honest answer is to buy the product and automate around it. That answer is given for free on the discovery call.
Custom is the right call when the workflow itself is the business: a booking flow with rules no off-the-shelf tool encodes, a multi-role approval chain, pricing logic specific to your market, or data you cannot legally put into someone else's SaaS.
Delivery runs in weekly increments against a written scope. You get a working URL every week rather than a status update, which is what stops a twelve-week project from arriving in week twelve as a surprise.
Work that backs this up
UK ETA Portal - Electronic Travel Authorization System
Mohamed Anwar · December 2023
Successfully deployed a production-ready system that reduced application processing time by 60%, eliminated manual paperwork through 100% digital workflows, and achieved 99.9% uptime. The platform handles 80+ eligible countries, manages 4 different user roles, and processes applications through 13 distinct status states. Achieved PCI DSS compliance through PayTabs integration and maintained GDPR compliance for EU applicant data.
View case study →Bounce - Childcare Management Platform
Bounce Childcare · March 2024
Successfully launched a platform serving over 100,000+ childcare centers globally, saving administrators up to 70% operational time, achieving 95%+ parent daily usage, 99% on-time payment rate, and 100% client recommendation score. The platform has significantly reduced administrative workload while improving parent-teacher collaboration.
View case study →DineEase - Hotel Restaurant Reservation System
Hospitality Operations · 2026
Delivered an end-to-end hospitality reservation system that centralizes operations, improves reservation visibility, and supports reporting for better planning and service quality.
View case study →Kids Garden - Childcare Management System
Kids Garden Daycare Center · May 2025
Successfully deployed a fully functional childcare management system that streamlines daily operations, improves child safety through systematic tracking, reduces administrative overhead by 60%, and provides comprehensive insights through detailed reporting and analytics. The system supports multiple users with role-based permissions and ensures accurate attendance records.
View case study →
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Start a project
A free thirty-minute call, then a written scope and a fixed price.