Contact person: Business Client

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Location: rotterdam, Netherlands

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I need a self-contained program that plans and tracks yearly maintenance for my gas detection sensors. Each client can have anything from a single service visit up to 12 per year, covering 1–75 sensors at a time.

Core workflow I want:

• Automatic scheduling – as soon as I enter a new client or finish a visit, the system should calculate the next maintenance period and place it on a calendar.
• Contact management – names, phone numbers and emails are stored directly in the program so I can reach the right person every time.
• Eight-week reminders – the system sends an email exactly eight weeks before the visit, prompting me to order spare parts.
• Spare-part traceability – when I register parts I must capture serial number and best-before date; this information should be visible at that same eight-week mark so ordering decisions are easy.
• Appointment handling – from inside the program I can propose a date, the client clicks to confirm, and both sides get a confirmation email.
• Invoicing choice – I decide per job whether to bill against a pre-supplied order number or send a pro-forma invoice after the work is done.
• Custom reporting – exportable summaries of upcoming jobs, parts used, and invoicing status.

I’m happy with a straightforward, desktop or web-based solution; use the tools and language you’re most comfortable with as long as the interface stays clean and future tweaks are possible.

Deliverables: a functional prototype that covers every point above, installation/setup instructions, and brief user notes. If the collaboration goes smoothly, I will commission extra features in a follow-up phase." (client-provided description)