You will get GenAI powered AI agent and chatbots with RAG

Name: You will get GenAI powered AI agent and chatbots with RAG
Availability: InStock

Danuka T. Danuka T.

4.8

Danuka T. Danuka T.

4.8

Project details

🎯 Expert AI Scientist | ML, NLP, Generative AI & AI Agent Development 🎯

Hello! I'm Danuka Wickramasinghe, an AI Scientist & Data Scientist with 5 years' experience building innovative AI/ML solutions. I specialise in Natural Language Processing (NLP), Generative AI, and AI Agent Development, with expertise in LLMs, RAG, model fine-tuning, and creating intelligent autonomous systems.

I have a proven track record in finance and aerospace, applying AI (Python, TensorFlow, PyTorch, Langchain, AWS, GCP) to solve complex challenges, improve efficiency, and automate processes, including developing AI agents for optimization.

My 100% Upwork Job Success Rate reflects my commitment to delivering high-quality, reliable solutions. I translate client needs into practical, high-impact AI applications – from chatbots and data analysis to custom AI agents.

Seeking a skilled, results-oriented AI professional for your NLP, Generative AI, or AI agent project? Let's connect!

Please send an invite to discuss your project.

AI Algorithms

Autoencoder, CycleGAN, Large Language Model, Long Short-Term Memory Network, Multimodal Large Language Model, Recurrent Neural Network, Transformer Model

AI Applications

AI Chatbot, AI Mobile App Development, AI Text-to-Image, AI Text-to-Speech, AIOps, Conversational AI, Machine Translation, Natural Language Generation, Natural Language Understanding, Sentiment Analysis, Text Recognition, Time Series Forecasting

AI Development Language

Python

AI Tools

Azure OpenAI, Hugging Face, PyTorch, Streamlit, TensorFlow, Word2vec

AI Models

ChatGPT, GPT-3, GPT-4, LLaMA, OpenAI Codex

What's included

Service Tiers	Starter $50	Standard $750	Advanced $2,500
Delivery Time	3 days	7 days	14 days
AI Model Integration
Batch Normalization	-
Database Integration
Detailed Code Comments	-	-
Image Upscaling	-	-
MLOps	-
Model Deployment	-
Model Documentation	-
Model Monitoring	-	-
Model Testing & Optimization	-
Model Tuning	-	-
Natural Language Processing	-
NLP Tokenization
Pre-Training	-
Prompt Engineering	-
Setup File	-	-
Source Code	-

4.8

81 reviews

86% Complete

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Enterprise RAG Chatbot Development on GCP (Cloud Run) – Secure, Citation-Grounded AI System Great working with Danuka. He has a solid understanding of end-to-end agentic workflows and clearly knows how to design and implement them following industry-standard security practices. He also focuses on cost-effective deployment without compromising performance or reliability. Communication was smooth, he understood the requirements well, and delivered the work professionally. I appreciate the technical expertise and the structured approach he brought to the project. Highly recommended to work with.

AI-based mobile app development and deployment

Deep Learning Engineer "Exceptional performance! Mr.Danuka not only completed the task on time but also exceeded our expectations. The attention to detail and the quality of work delivered were outstanding. Thank you for your commitment to excellence!"

Opencv computer vision model and Streamlit web app development Danuka delivered on time, a high-quality job. He is always responsive and supportive even with requirements out of the project context. Highly recommended developer!

Simple audio classification project. Project was completed within the time limit. And the project was done beyond my expectations. Highly recommended.

About Danuka

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Senior AI Engineer | Ex Airbus| Secure, Scalable LLM Solutions

4.8 (81 reviews)

London, United Kingdom - 7:50 am local time

I build secure, autonomous AI systems that move beyond "chatbots" to deliver
enterprise‑grade results. With 5+ years’ experience at Airbus and Argus Media, I
specialise in generative AI, multi‑agent architectures and RAG pipelines.

What I deliver:
Enterprise automation:Developed LangGraph‑based agents that reduced
project timelines from weeks to hours and eliminated subcontractor dependencies.
Secure financial AI:Architected Model Context Protocol (MCP) servers that
let institutional clients safely query proprietary financial data.
High‑precision RAG:Achieved 91 %+ faithfulness and 90 % context precision
by combining Self‑RAG, HyDE and CoR‑RAG techniques.
Performance optimisation:Replaced legacy models with XGBoost and improved
F1‑scores by 15 % while ensuring regulatory compliance.

Core technical skills:LangChain/LangGraph, Google ADK, Vertex AI, Unsloth,
TRL & PEFT, vLLM (PagedAttention), RLHF, RAG & vector search (IVF/HNSW),
TensorFlow, PyTorch, XGBoost, scikit‑learn, Docker, GCP & AWS.

Whether you need a simple LLM chatbot or a secure multi‑agent system, I can
architect, build and deploy a solution tailored to your business. Let’s discuss
how generative AI can drive your operational efficiency.

Steps for completing your project

After purchasing the project, send requirements so Danuka can start the project.

Delivery time starts when Danuka receives requirements from you.

Danuka works on your project following the steps below.

Revisions may occur after the delivery date.

Difine the problem

This step is used to understand the problem and define what are the objectives and what is the final goal of the project.

Collecting data

Data is critically important for Machine learning project so getting relevant data is essential for the project.

Review the work, release payment, and leave feedback to Danuka.

Select service tier

Starter$50

Standard$750

Advanced$2,500

Simple chatbot

Deploy a simple chatbot using one data source and an LLM, ready in 3 days.

Delivery Time 3 days
- AI Model Integration
- Database Integration
- NLP Tokenization

3 days delivery — Jul 1, 2026

Revisions may occur after this date.

Upwork Payment Protection

Fund the project upfront. Danuka gets paid once you are satisfied with the work.