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Fiverr Pro
English
$
USD
I will build a custom ai rag chatbot with cutting edge semantic search
Van Castello
About this gig
Are you looking for a custom AI solution tailored to your business needs whether it's a chatbot, RAG system, semantic search engine, or intelligent document analysis?
I specialize in building fully custom AI solutions designed around your unique workflows, using state-of-the-art NLP and Large Language Model technologies.
Custom Services Include:
- Retrieval-Augmented Generation (RAG) Chatbots
- Semantic Search Systems
- AI News Classification Pipelines
- Sentiment Analysis & Topic Clustering
- OCR Document Processing
- Speech-to-Text Solutions
- Knowledge Base Assistants
- Streamlit AI Dashboards
Technologies:
- OpenAI GPT Models
- LangChain / LlamaIndex
- SBERT Embeddings
- Cross-Encoder Reranking
- FAISS / Vector Databases
- Whisper & Wav2Vec2
- YOLOv8
- Tesseract OCR
- Scikit-Learn
- TensorFlow / PyTorch
Why Choose My Custom Solutions?
- End-to-end custom AI architecture built for your business
- Production-ready, scalable pipelines
- Fully tailored to your specific requirements
- Detailed documentation & clean, maintainable code
Get to know Van Castello
Van Castello
Data science
- FromUnited Kingdom
- Member sinceDec 2025
Languages
English
I am a seasoned Backend Developer, Machine Learning & NLP Engineer, and OSINT/Cybersecurity Analyst with multi-year experience building scalable server-side architectures, intelligent data-driven systems, and cyber threat intelligence solutions. My background spans the modern .NET and JavaScript/TypeScript ecosystems, as well as advanced Python-based ML and RAG pipelines, giving me a uniquely versatile profile for complex, cross-disciplinary projects.
My core strength lies in architecting clean, scalable APIs, optimizing data layers, and delivering production-grade machine learning systems—fro
FAQ
What do I need to provide to get started?
To begin, I need: Project goal and use case Sample data (documents, text, audio, or images) Timeline and budget expectations
Do I need technical knowledge to work with you?
No. I handle the full technical side. You just need to explain your business need clearly.
What if I'm not sure what I need exactly?
No problem — contact me before ordering and we'll discuss your requirements together to find the best custom solution for your business.
Will I own the code after delivery?
Yes. Full ownership of the code and documentation is transferred to you upon project completion.
Do you offer revisions?
Yes. Each package includes revisions to ensure the final solution meets your expectations.
