You will get a user friendly web application
Project details
You will be provided with a user friendly web calculator or web application. With over 1+ year of experience in building web applications, I will provide you with an application that exceeds your expectations.
Programming Languages
HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included $100
These options are included with the project scope.
$100
- Delivery Time 5 days
- Number of Revisions 3
- Number of Pages 1
- Design Customization
- Content Upload
- Responsive Design
- Source Code
Optional add-ons
You can add these on the next page.
Additional Page
(+ 2 Days)
+$40
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About Areeba
Web Application Developer | Excel | Calculators, Full Stack
100%
Job Success
Karachi, Pakistan - 6:27 am local time
Most of my calculator work starts the same way: you have a formula that lives in a spreadsheet, a pricing sheet, or in your head, and you need it on your website where visitors can use it themselves. I turn that into a clean, fast, mobile-friendly tool that matches your brand and captures leads.
What I build:
Financial calculators — mortgage, loan, amortization, tax, retirement, ROI, break-even
Quote and pricing estimators with multi-step forms and instant results
Excel/Google Sheets models rebuilt as web calculators
Insurance premium and eligibility estimators
Product configurators and cost builders for service businesses
Embeddable widgets that drop into WordPress, Shopify, Webflow, Squarespace, or any site with one line of code
Beyond calculators, I handle full-stack web application work end to end: dashboards, admin panels, client portals, REST APIs, database design, third-party integrations (Stripe, HubSpot, Mailchimp, Zapier), and deployment.
Stack: React, Next.js, TypeScript, JavaScript, Node.js, Python (FastAPI), PostgreSQL, Tailwind CSS, REST APIs, AWS/GCP.
How I work:
I confirm the formula logic and edge cases with you before writing any code, that's where calculator projects usually go wrong. You get a working preview link early, unlimited revisions within scope, clean documented code you own, and responsive design tested on real devices. I reply quickly and I don't disappear mid-project.
Track record: 100% Job Success Score, 5.0 rating across 17 reviews, 23 completed contracts on Upwork, and 50+ projects delivered overall since 2022. BS in Computer Science.
I also add AI features where they genuinely help, smart recommendations on top of a calculator's output, natural-language input, automated report generation, but the tool works first and the AI is a layer on top, not the point.
Send me a message with what you're trying to build and the formula or spreadsheet behind it, and I'll tell you exactly what it takes.
Steps for completing your project
After purchasing the project, send requirements so Areeba can start the project.
Delivery time starts when Areeba receives requirements from you.
Areeba works on your project following the steps below.
Revisions may occur after the delivery date.
Design Approval
You need to approve the design before we start working on calculations and backend