RAPID-BUILD ENGINEERING PARTNER
Websites, full-stack apps, or AI agents. Ready in weeks, not months.
Websites, full-stack apps, or AI agents. Ready in weeks, not months.
From Django back-ends to Gen-AI automations, I’ll ship your idea 5× faster than a typical dev shop.
SERVICES
What can I do for You?
All You need to automate, optimize, and scale
Rapid MVP Web Apps
Launch an investor-ready site in 6-8 weeks with Django + React.
Rapid MVP Web Apps
Launch an investor-ready site in 6-8 weeks with Django + React.
Rapid MVP Web Apps
Launch an investor-ready site in 6-8 weeks with Django + React.
React-Native Mobile Apps
Ship iOS & Android simultaneously with React Native, cutting dev cost ~35 %.
React-Native Mobile Apps
Ship iOS & Android simultaneously with React Native, cutting dev cost ~35 %.
React-Native Mobile Apps
Ship iOS & Android simultaneously with React Native, cutting dev cost ~35 %.
GenAI Automations
Replace 40 hrs/week of manual ops with autonomous agents.
GenAI Automations
Replace 40 hrs/week of manual ops with autonomous agents.
GenAI Automations
Replace 40 hrs/week of manual ops with autonomous agents.
PROCESS
The Rapid-Build method
Three focused phases that take you from idea to launch in as little as six weeks.
STEP 1
STEP 2
STEP 3
01
Concept & Clickable Prototype
See it before a single line of code is written. A 90-minute discovery call turns your idea into a scoped brief and an interactive Framer / Expo prototype you can click through within 48 hours.
STEP 1
STEP 2
STEP 3
01
Concept & Clickable Prototype
See it before a single line of code is written. A 90-minute discovery call turns your idea into a scoped brief and an interactive Framer / Expo prototype you can click through within 48 hours.
STEP 1
STEP 2
STEP 3
01
Concept & Clickable Prototype
See it before a single line of code is written. A 90-minute discovery call turns your idea into a scoped brief and an interactive Framer / Expo prototype you can click through within 48 hours.
RESULTS
Smarter Services, Built with AI
Real results from AI-powered builds delivered in weeks, not months
Discover products I've developed.
Workflow Automation
Automate complex business processes to boost speed, clarity, and efficiency.
Workflow Automation
Automate complex business processes to boost speed, clarity, and efficiency.
Workflow Automation
Automate complex business processes to boost speed, clarity, and efficiency.
xwaste.eu
Secured multiple pilot partnerships after the first demo and now ships features weekly.
xwaste.eu
Secured multiple pilot partnerships after the first demo and now ships features weekly.
xwaste.eu
Secured multiple pilot partnerships after the first demo and now ships features weekly.
AI Assistant
Deploy intelligent virtual agents to streamline tasks.
AI Assistant
Deploy intelligent virtual agents to streamline tasks.
AI Assistant
Deploy intelligent virtual agents to streamline tasks.
NutriClip
Computer-vision agent pulls macros from TikTok, YouTube, Reels and writes to Apple Health & Google Fit, cuts manual logging by ≈ 90 s per recipe for video-based meals.
NutriClip
Computer-vision agent pulls macros from TikTok, YouTube, Reels and writes to Apple Health & Google Fit, cuts manual logging by ≈ 90 s per recipe for video-based meals.
NutriClip
Computer-vision agent pulls macros from TikTok, YouTube, Reels and writes to Apple Health & Google Fit, cuts manual logging by ≈ 90 s per recipe for video-based meals.
MyFoodSwap
Empowers hospitality staff to trade meals safely, now in closed beta. Built in one month with React Native (Expo) + Django API; single-dev prototypes of this scope are proven feasible in weeks
MyFoodSwap
Empowers hospitality staff to trade meals safely, now in closed beta. Built in one month with React Native (Expo) + Django API; single-dev prototypes of this scope are proven feasible in weeks
MyFoodSwap
Empowers hospitality staff to trade meals safely, now in closed beta. Built in one month with React Native (Expo) + Django API; single-dev prototypes of this scope are proven feasible in weeks
Gymeo
Transforms ad-hoc repairs into a trackable workflow; Handles ticketing, parts, and knowledge base in one dashboard; built with React + Django DRF + Postgres
Gymeo
Transforms ad-hoc repairs into a trackable workflow; Handles ticketing, parts, and knowledge base in one dashboard; built with React + Django DRF + Postgres
Gymeo
Transforms ad-hoc repairs into a trackable workflow; Handles ticketing, parts, and knowledge base in one dashboard; built with React + Django DRF + Postgres
ABOUT
Get to Know Me
Meet Kuba - Startup-Seasoned Engineer from Amsterdam, turning ideas into AI-powered products in weeks.
Meet Kuba - Startup-Seasoned Engineer from Amsterdam, turning ideas into AI-powered products in weeks.
CONTACT
Let's Build Something Brilliant
Let's Build Something Brilliant
Pick a slot or drop a note - most replies in < 1 workday
Pick a slot or drop a note - most replies in < 1 workday
Pick a slot or drop a note - most replies in < 1 workday
Email Me
Facing technical challenges or product concerns? I'm here to assist
Email Me
Facing technical challenges or product concerns? I'm here to assist
MY CLIENTS
Success Stories to Inspire
Discover how businesses and creators achieve results
Xwaste's Rapid Development
When the cleantech start-up xWaste turned to KG Digital, they needed to impress municipal buyers fast. Within 7 days the first marketing page was live; by week 4 they had a fully working Django + React marketplace demo in stakeholders’ hands. Weekly sprint reviews now ship new features every Friday.
%
increase in ROI
%
boost in revenue
Emily's E-commerce Success
Emily, the CEO of BloomTech, transformed their marketing efforts using AI-powered tools. This shift resulted in a 60% increase in ROI and a 45% improvement in customer personalization, leading to a surge in brand loyalty
%
growth in sales
%
rise in engagement
Sophia's Retail Breakthrough
Sophia, the marketing lead at Trendify, used AI-driven analytics to dive deep into customer behavior. The insights led to a 40% increase in engagement and a 30% rise in repeat purchases, creating long-term customer relationships.
%
gain in retention
%
surge in profits
They took the time to understand our challenges, identified our target audience, and made our brand shine. Their solutions were very effective!
Xwaste's Rapid Development
When the cleantech start-up xWaste turned to KG Digital, they needed to impress municipal buyers fast. Within 7 days the first marketing page was live; by week 4 they had a fully working Django + React marketplace demo in stakeholders’ hands. Weekly sprint reviews now ship new features every Friday.
%
increase in ROI
%
boost in revenue
Emily's E-commerce Success
Emily, the CEO of BloomTech, transformed their marketing efforts using AI-powered tools. This shift resulted in a 60% increase in ROI and a 45% improvement in customer personalization, leading to a surge in brand loyalty
%
growth in sales
%
rise in engagement
Sophia's Retail Breakthrough
Sophia, the marketing lead at Trendify, used AI-driven analytics to dive deep into customer behavior. The insights led to a 40% increase in engagement and a 30% rise in repeat purchases, creating long-term customer relationships.
%
gain in retention
%
surge in profits
They took the time to understand our challenges, identified our target audience, and made our brand shine. Their solutions were very effective!
Xwaste's Rapid Development
When the cleantech start-up xWaste turned to KG Digital, they needed to impress municipal buyers fast. Within 7 days the first marketing page was live; by week 4 they had a fully working Django + React marketplace demo in stakeholders’ hands. Weekly sprint reviews now ship new features every Friday.
%
increase in ROI
%
boost in revenue
Emily's E-commerce Success
Emily, the CEO of BloomTech, transformed their marketing efforts using AI-powered tools. This shift resulted in a 60% increase in ROI and a 45% improvement in customer personalization, leading to a surge in brand loyalty
%
growth in sales
%
rise in engagement
Sophia's Retail Breakthrough
Sophia, the marketing lead at Trendify, used AI-driven analytics to dive deep into customer behavior. The insights led to a 40% increase in engagement and a 30% rise in repeat purchases, creating long-term customer relationships.
%
gain in retention
%
surge in profits
TECH
Tools That Ship Products Fast
From Django to LangChain, here’s what I build with.
Reach out anytime
Ready to build Something Great?
Schedule a Call and Begin Automating
grabarczyk.kuba@gmail.com
Reach out anytime
Ready to build Something Great?
Schedule a Call and Begin Automating
grabarczyk.kuba@gmail.com
Reach out anytime
Ready to build Something Great?
Schedule a Call and Begin Automating
grabarczyk.kuba@gmail.com