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Fiverr Pro
English
$
USD
I will build ai saas mvp, web app, or startup using lovable ai n8n lovable ai lovable
Wangjang
About this gig
I help startups, entrepreneurs, and businesses turn their ideas into powerful digital products. I specialize in building AI-powered SaaS applications, MVPs, web apps, client portals, CRM systems, business dashboards, and automation tools using Lovable.dev and modern web technologies.
With expertise in React, Next.js, TypeScript, Supabase, and Firebase, I create scalable applications tailored to your business goals. I also integrate AI models like OpenAI, Claude, Gemini, and Grok to develop intelligent features, AI agents, chatbots, and automated workflows that solve real-world problems.
From UI/UX design and database architecture to API integrations, authentication, payment gateways, and third-party services, I focus on creating responsive, secure, and user-friendly applications built for growth.
Whether you need a startup MVP, a custom CRM, an AI-powered web app, a client portal, or a complete SaaS platform, I can help you move from concept to launch with a solution designed around your users and business needs.
My goal is to help you launch faster, simplify complex processes, improve efficiency, and build digital products that can evolve as your business grows.
Get to know Wangjang
Wangjang
Full Stack Apps, Lovable, Replit, AI SaaS Developer
- FromUnited States
- Member sinceOct 2026
- Avg. response time1 hour
Languages
English, German, Spanish, French, Italian
I help businesses turn ideas into functional web apps, MVPs, dashboards, and digital products using AI powered tools like Lovable, Replit, and other no-code platforms. My services include vibe coding, rapid prototyping, responsive websites, landing pages, SaaS applications, and custom business tools.
I also provide website testing, mobile app testing, usability reviews, bug identification, and actionable UX feedback. Whether you need to build a new product, improve an existing application, or test before launch, I focus on functionality, usability, and user experience to help you achieve it.
My Portfolio
FAQ
Can you turn my Lovable.dev prototype into a fully functional SaaS product?
Yes. I can help transform your Lovable.dev prototype into a working SaaS application with database integration, authentication, user dashboards, API connections, and other features required for your business.
Can you fix bugs or broken features in an existing Lovable.dev project?
Yes. I can troubleshoot broken components, database queries, authentication issues, API errors, responsive layouts, and other functionality problems in your existing application.
Can you build a multi-user SaaS application with separate dashboards?
Yes. I can implement user roles, permissions, protected routes, personalized dashboards, and database policies using Supabase or Firebase, depending on your project requirements.
Do you integrate Stripe or other payment gateways into Lovable apps?
Yes. I can integrate supported payment providers, including Stripe, to enable subscriptions, one-time payments, and payment-related workflows based on your business model
Can you connect OpenAI, Claude, Gemini, or Grok to my web application?
Yes. I can integrate suitable AI models for chatbots, document analysis, content generation, intelligent search, and other AI-powered features, subject to API access and provider capabilities.
Can you build a custom CRM instead of using an off-the-shelf platform?
Yes. I can develop a tailored CRM with contact management, lead pipelines, activity tracking, task management, reporting dashboards, and workflow automation based on your requirements.
Will my Lovable.dev application work on mobile devices?
Yes. I build responsive interfaces that adapt to desktop, tablet, and mobile screens, with attention to navigation, readability, and usability across devices.
Can you connect my Lovable app to an existing database or external API?
Yes. I can work with compatible existing databases, REST APIs, and third-party services. I will review your current setup and documentation before confirming the integration approach.
Can you improve the security and scalability of my existing MVP?
Yes. I can review authentication, database access policies, API handling, application structure, and performance bottlenecks, then recommend improvements appropriate for your product's needs.
What do you need from me before starting my AI SaaS project?
Please share your idea, target users, key features, design references, and any existing Lovable.dev project or technical setup. If your requirements are still evolving, I can help define a practical MVP scope before development begins.
