About JAY23
JAY23 is a rapid MVP development agency that delivers production-ready applications in 14 days using our proprietary Rapid Fusion Stack™. We combine AI-powered development tools with expert craftsmanship to help startups and businesses launch faster than ever before.
Our approach leverages cutting-edge AI tools (Vitara.AI, Bolt.new, Lovable.dev), low-code platforms, and proven development practices to deliver professional-grade products without the typical lengthy development cycles.
The Team
Builders, founders, and problem solvers.
Coding since age 9. Ex-Enso & Comarch. Learned from failure, now leading Salespad.ai to modernize automotive sales. Building useful things, fast.
Marek Cieśla — Co-Founder & Business Lead
20+ years in product & sales. 3 exits (Thorskan, ALLPlayer). Raised pre-IPO funding. Ex-DivX/BitTorrent. Passionate about mentoring & growth.
What We Build
Transparent, outcome-driven pricing. No retainers. No surprises.
Landing Page Pro
Perfect for lead generation
High-converting landing page with integrated analytics and lead capture.
- Responsive design for all devices
- Lead capture forms & CRM integration
- Analytics dashboard
- SEO optimization
- Content management system
- A/B testing setup
SaaS Platform MVP
Complete SaaS foundation
Full-featured SaaS platform with user authentication, payments, and admin panel.
- User authentication & management
- Subscription billing system
- Admin dashboard
- API development
- Database architecture
- Multi-tenant support
- Email automation
- Payment processing
Mobile PWA App
Amazing mobile experience
Progressive Web App that works like a native mobile application.
- Native mobile app experience
- Offline functionality
- Push notifications
- App store deployment ready
- Cross-platform compatibility
- Fast loading & caching
Our Guarantee
- ✓ 14-day delivery guarantee
- ✓ 100% satisfaction or money back
- ✓ Professional quality output
- ✓ Complete source code ownership
- ✓ Free 30-day bug fixes
- ✓ Deployment assistance included
100% Money-Back Guarantee: If you're not completely satisfied with your MVP, we'll refund your money. No questions asked, no fine print.
Frequently Asked Questions
What exactly is included in the Rapid Fusion Stack™?
Our Rapid Fusion Stack™ combines AI-powered development tools (Vitara.AI, Bolt.new, Lovable.dev), low-code platforms, expert development practices, and proven frameworks to deliver professional-grade MVPs in 14 days. You get complete source code, deployment, documentation, and 30 days of support.
How can you deliver a professional MVP in just 14 days?
We leverage cutting-edge AI tools and low-code platforms combined with our proven development process. Our team has refined this approach over 50+ projects, allowing us to skip the typical time-consuming setup phases while maintaining high quality standards.
Do I own the source code and all intellectual property?
Absolutely! You receive 100% ownership of all source code, designs, databases, and intellectual property. We provide complete documentation and can transfer everything to your preferred hosting platform.
What if I need changes after the 14-day delivery?
We provide 30 days of free bug fixes and minor adjustments. For additional features or major changes, we offer ongoing development services at competitive rates. We can also train your team to make future updates.
What technologies do you use for development?
We use modern, industry-standard technologies including React, Node.js, TypeScript, modern databases, and cloud hosting. All our projects are built with scalability, security, and maintainability in mind.
Can you integrate with my existing systems?
Yes! We can integrate with most popular platforms including CRMs, payment processors, email marketing tools, analytics platforms, and custom APIs. We discuss all integration requirements during the initial brief.
What if I'm not satisfied with the final product?
We offer a 100% money-back guarantee. If you're not completely satisfied with your MVP, we'll refund your entire payment, no questions asked. Your satisfaction is our top priority.
Do you provide hosting and ongoing maintenance?
We can help set up hosting on your preferred platform and provide ongoing maintenance services if needed. We also offer training so you can manage updates yourself, giving you complete control over your MVP.
What information do you need to get started?
We need a clear description of your idea, target audience, key features you want, any design preferences, and integration requirements. We'll guide you through a comprehensive brief during our initial consultation.
Can you handle both web and mobile applications?
Yes! We build Progressive Web Apps (PWAs) that work seamlessly on both desktop and mobile, giving you native app-like experience without the complexity of separate iOS/Android development.
