I Build SoftwareThat Does The Work

I help businesses implement AI automation and custom software that automates their workflow. From e-commerce platforms to data systems, I turn complex ideas into working applications in days.

What I Build

Capabilities.

E-commercePlatform DevelopmentAI IntegrationData PlatformsWeb DevelopmentMaps & GeospatialPayments & BillingWorkflow AutomationMulti-language SitesTax & ReportingAdmin DashboardsAPI DevelopmentNative macOS Apps

From a single feature to a full product — concept to production.

Apple Developer Program Member
Portfolio

Proof of Work.

11+ apps, all in production. Browse them live below.

Apple Developer Program Member
freshgear.cz
E-commerce

FreshGear.cz

Largest custom clothing e-shop with an AI design studio, automated workflows, and multi-language support to serve international customers.

E-commerceAI DesignPaymentsMulti-language
restauranthub.ai
Restaurant Platform

RestaurantHub.ai

All-in-one platform where restaurants get their own website with automated menus, online ordering, reservations, and delivery zones — starting at €0/month.

Ready-made WebsitesMulti-tenantPaymentsMaps
potravinka.cz
Price Comparison

Potravinka.cz

Compare prices across 120,000+ grocery products from major Czech retailers, updated daily to help shoppers find the best deals.

Data AggregationLive UpdatesPrice TrackingAnalytics
topgchat.com
AI Application

TopGChat.com

AI chat application with latest models — GPT, Gemini, Claude. Clean UI, math rendering, free tier available.

AI IntegrationMulti-modelSubscriptionsStreaming
starteshop.cz
E-commerce Platform

StartEshop.cz

Own your e-commerce store outright, no monthly platform fees. A complete, ready-to-launch online shop you fully control.

E-commerceFull OwnershipPaymentsAI-built
katastrbudov.cz
Building Registry

KatastrBudov.cz

Complete database of all buildings in the Czech Republic with interactive maps, historical data, and geospatial analytics.

GeospatialInteractive MapsData PlatformAnalytics
registrysmluv.cz
Contract Registry

Registr Smluv

10-year database of public contracts with clear UI for searching companies and state institutions.

Government DataAutomationVisualizationDatabase Search
gearshop.sk
E-commerce

GearShop.sk

Full-featured e-commerce store for professional tools and equipment on the Slovak market.

E-commercePaymentsProduct CatalogInternational
insolvencecr.cz
Insolvency Registry

InsolvenceCR.cz

Interactive dashboard of Czech insolvency proceedings with search by company or person, regional analysis, and court-level statistics.

Government DataDatabase SearchAnalyticsVisualization
Accounting App
Financial Automation

Accounting App

One-click VAT reporting aggregating sales across multiple projects. Automated tax report generation.

FinTechTax AutomationMulti-projectReporting
statnifinance.cz
Public Finance

StatniFinance.cz

Interactive portal for Czech public sector financial data covering 8,000+ institutions with comparison tools, debt analysis, and spending insights.

Government DataAnalyticsVisualizationData Platform

...and more in the pipeline

Native App

CC — IDE for Claude Code.

CC App Icon

CC

Native macOS IDE for Claude Code

Native macOS IDE purpose-built for Claude Code. Multi-project workspace, terminal with AI detection, code editor, git UI, dictation, and auto-updates. No Electron. No API keys. Just download and build.

Native macOSSwift & SwiftUISigned & NotarizedAuto-UpdatesFree
Apple Developer Program Member
acme-app
PROJECTS
acme-app+48
main
api-server
feat/auth
mobile-app
develop
Files
Search
Changes
src
app
layout.tsx
page.tsx
components
Header.tsxM
Button.tsxA
lib
page.tsx
layout.tsx
1import Header from "@/components/Header"
2import Button from "@/components/Button"
3 
4export default function Home() {
5 return (
6 <main className="min-h-screen">
7 <Header />
8 <section>
9 <h1>Build faster with AI</h1>
10 <Button variant="primary">
11 Get Started
Claude Code 1
Claude Code 2
╭── Claude Code v2.0.0 ────────────────────╮
│ │ │
│ Welcome back! │ Recent activity │
│ ╱▔▔▔▔▔▔▔╲ │ 3m Added dark mode│
│ │ ◆ ◆ │ │ 1h Fixed auth │
│ ╲▁▁▁▁▁▁▁╱ │ 2d Refactor Button│
│ Sonnet 4.5 • 20x │ What's new │
│ ~/acme-app │ /agents subagents │
╰────────────────────┴────────────────────╯
Mobile App

Potravinka — Scan. Compare. Save.

Potravinka

Potravinka

Food Price Comparison for Czech Stores

Mobile app that lets you scan any product in a store and instantly compare prices across major Czech retailers. AI-powered product matching, daily price updates, and no registration needed.

Photo ScannerAI MatchingDaily UpdatesNo AdsFree
Home
Search
Scan
Cart
Scan a product
Take a photo in the store and instantly compare prices
Open camera
Scanning
Recognizing product
Result
New scan
12 products found
+
Granátové jablko čerstvé
3990
39.90 Kč/ks
Rohlik.cz
+
Granátové jablko
2990
29.90 Kč/ks
Lidl
+
Granátové jablko čerstvé
4490
44.90 Kč/ks
Albert
+
Granátové jablko
3490
34.90 Kč/ks
Kaufland
+
Granátové jablko velké
4290
42.90 Kč/ks
Globus
+
Granátové jablko
3290
32.90 Kč/ks
Penny
120K+
Products synced daily
AI
Semantic product matching
iOS + Android
Native app experience
~30%
Potential savings
Why Me

Built to Ship.

I build production software for businesses. E-commerce, data platforms, AI tools, and internal systems. Every project in my portfolio is live, serving real users, and generating real value.

I work fast. What used to take teams months, I deliver in days. Not prototypes. Finished products.

Full-stack · Next.js · PostgreSQL · Stripe · AI · Maps · Data Pipelines

10+Apps in Production
6Countries Served
850K+Products Managed
0Missed Deadlines
Tech Stack

What I Ship With.

Apple Developer Program Member
Languages
TypeScriptJavaScriptPythonSwiftSQLHTMLCSSBashGraphQL
Frameworks
Next.jsReactNode.jsSwiftUIExpressTailwind CSSFastifyElectron
Data & Storage
PostgreSQLPrismaRedisSQLiteMongoDBCloudflare R2AWS S3Neon
Infrastructure
VercelVPSNginxPM2DockerLinuxGitGitHub ActionsSSHCloudflare
APIs & Services
StripeResendOpenAIClaudeGeminiRESTSOAPWebhooksOAuth
Frontend
RechartsLeafletTiptapFramer MotionZustandThree.jsCanvas API
Contact

Let's Build
Something.

Have a project in mind? Need a custom solution? Tell me what you need and I'll get back to you within 24 hours.

David Vavra — Software Development & Consulting