You will get a focused MVP or internal dashboard built for your workflow
Project details
Turn a manual process or focused product idea into a working web application. I define the acceptance criteria, data structure and user flow before implementation, then deliver working previews, responsive UI, critical-path testing, deployment and documentation. This service is for focused MVPs and internal tools—not an open-ended SaaS platform. External integrations, migrations and complex permissions must be disclosed before purchase.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$1,200
|
Standard
$2,500
|
Advanced
$4,000
|
|---|---|---|---|
| Delivery Time | 5 days | 8 days | 10 days |
Number of Revisions | 2 | 2 | 2 |
Number of Pages | 1 | 3 | 5 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Frequently asked questions
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IS
Istok S.
Aug 28, 2025
Storyboard / video concept for explanatory videos for medical practices for german market
Juan helped us very much with our first video. He / his team was very creative and he was willing to extend the job, which was very much in our interest. Origitnally his job was to compile a medical story book, which he did excellently. Then we agreed that he would also edit the video. The video was created to a stage close to 90 %. But now, there is still about 3 orthographic typos in the (German) text. German is not his spoken language, so this can haven. However, we wanted and desperately needed to have this fixed, which is not so much work, just three typos and some small design adaptation. Now, we will have to contract another video editor and redo the video.
We are very grateful for Juan's work. His strong educational background is very valuable! Though it would have been better, if we could have finished the video job, but I could not reach him for one whole month (worte 3-4 times). We cannot use that video at all like this. I hope another freelancer can fix the tiny issues.
We are very grateful for Juan's work. His strong educational background is very valuable! Though it would have been better, if we could have finished the video job, but I could not reach him for one whole month (worte 3-4 times). We cannot use that video at all like this. I hope another freelancer can fix the tiny issues.
About Juan
Premium Websites & Fast MVPs | React, Supabase, Shopify
Medellin, Colombia - 9:49 pm local time
My work covers premium business websites, landing pages, focused MVPs, dashboards, marketplaces, internal tools, and Shopify storefronts.
I handle product definition, UX, implementation, responsive design, integrations, testing, deployment, and handoff. I also finish or rescue partially built Lovable and Supabase projects.
I am a medical doctor with a Master's degree in Health ICT and the founder of Tuvi SAS. I have led the delivery of healthcare platforms, ecommerce stores, marketplaces, education products, and conversion-focused websites across different industries. My health technology background is useful when relevant, but I work across industries.
I work best with clear outcomes and defined scope. Before starting, I translate requirements into milestones and acceptance criteria. Clients receive working previews, direct communication, and documented handoff.
Good fit:
- 1–8 page premium websites
- Landing pages and product sites
- Lovable/Supabase fixes and production hardening
- Focused SaaS MVPs and admin dashboards
- Shopify storefront setup or visual refresh
- API, forms, payments, and workflow integrations
Not a fit: open-ended builds, unlimited revisions, or projects without a decision-maker.
Send me your brief, designs, or current app. I will tell you what can realistically be delivered, the timeline, and the fixed price.
Steps for completing your project
After purchasing the project, send requirements so Juan can start the project.
Delivery time starts when Juan receives requirements from you.
Juan works on your project following the steps below.
Revisions may occur after the delivery date.
Define scope and data structure
I confirm acceptance criteria, user roles, sample data and the purchased workflows.
Build and preview the core flow
I deliver a working responsive preview of the dashboard or application workflow.