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I will integrate ai into your web or mobile app
Marcos Carrera
About this gig
Want to add AI to your existing web or mobile application?
I can integrate modern AI models such as OpenAI GPT, Claude, and Google Gemini into your application and turn them into useful, real-world features.
I work with existing web and mobile applications as well as new projects, using modern AI APIs and clean backend integrations.
AI features I can build:
- AI chatbots and assistants
- OpenAI GPT, Claude & Gemini API integration
- AI text generation and summarization
- Document and PDF analysis
- AI-powered search and Q&A
- Structured data extraction
- Custom prompts and AI workflows
- Database-connected AI features
- AI features for SaaS platforms
- REST API and backend integration
Technologies I work with:
JavaScript, TypeScript, React, Next.js, Node.js, Python, PHP/Laravel, Supabase and Firebase.
You will receive clean, maintainable code and the complete source code included in your order.
Have a specific AI idea but aren't sure how to implement it? Send me a message with your requirements and I can recommend the simplest approach.
Please contact me before ordering for custom or complex AI integrations.
Get to know Marcos Carrera
Marcos Carrera
Full Stack Developer
- FromUnited States
- Member sinceMar 2025
- Avg. response time4 hours
Languages
Spanish, English, Portuguese
I build complete digital products — from web platforms and SaaS applications to native iOS and Android apps.
What I can do for you:
• Web & SaaS applications (React, Node.js, Python)
• Mobile apps for iOS and Android
• AI integrations: chatbots, automation, and LLM-powered features
• API development and third-party integrations
• UI/UX design with a focus on clean, modern interfaces
I work closely with clients to turn ideas into working products, with clear communication and reliable delivery. Whether you need an MVP built fast or an existing product improved, I can help.
My Portfolio
FAQ
Which AI models can you integrate?
I can integrate OpenAI GPT, Claude, Google Gemini, and other AI APIs depending on your project requirements.
Can you integrate AI into my existing application?
Yes. I can add AI functionality to an existing web or mobile application. Send me your current tech stack and the feature you want to add, and I’ll review the best approach.
What kind of AI features can you build?
I can build AI chatbots, assistants, text generation, summarization, document analysis, Q&A systems, structured data extraction, AI search, custom workflows, and other API-based AI features.
Can you connect the AI feature to my database?
Yes. I can integrate AI features with databases such as PostgreSQL, Supabase, Firebase, MySQL, or your existing backend. Database integration may require an additional service depending on the scope.
Do I need my own OpenAI, Claude, or Gemini API key?
Yes, for production use you should use your own API account and API key. I can help you configure the integration securely without exposing the key in the frontend or source code.
Will I receive the source code?
Yes. The source code for the work included in your order will be provided.
Should I contact you before ordering?
Yes, especially for custom AI integrations. Send me a short description of your application, current technology stack, and the AI feature you need. I can then recommend the appropriate package or prepare a custom offer.
