You will get ChatGPT OpenAI | LangChain Developer | AI Development


Project details
You will get a custom AI solution built with OpenAI and LangChain to automate workflows build intelligent chatbots, or enhance decision-making in your business.
I have practical experience in AI/ML development, NLP, and conversational AI, and I focus on building applications that actually work for your business. Whether you’re looking for a ChatGPT-powered assistant, a RAG system, or smart workflow automation, I’ll create a solution that’s reliable, efficient, and built to grow with you. Every project I deliver is original, high-quality, and tailored to fit your goals.
I have practical experience in AI/ML development, NLP, and conversational AI, and I focus on building applications that actually work for your business. Whether you’re looking for a ChatGPT-powered assistant, a RAG system, or smart workflow automation, I’ll create a solution that’s reliable, efficient, and built to grow with you. Every project I deliver is original, high-quality, and tailored to fit your goals.
Machine Learning Tools
Apache Mahout, Azure Machine Learning, ChatGPT, Keras, MATLAB, MLflow, OpenCV, pandas, Python, Python Scikit-Learn, SAS, scikit-learn, Scrapy, SQL, TensorFlow, Vertex AIWhat's included
| Service Tiers |
Starter
$150
|
Standard
$1,200
|
Advanced
$2,500
|
|---|---|---|---|
| Delivery Time | 2 days | 6 days | 10 days |
Number of Revisions | 1 | 3 | 5 |
Number of Model Variations | 1 | 5 | 8 |
Number of Scenarios | 1 | 2 | 5 |
Model Validation/Testing | |||
Model Documentation | - | ||
Data Source Connectivity | - | ||
Source Code | - | - |
Optional add-ons
You can add these on the next page.
Additional Revision
+$50
Additional Model Variation
+$100About Gayan
Data Scientist: Machine Learning, Deep Learning, NLP Specialist
Colombo, Sri Lanka - 4:32 pm local time
We specialize in AI-powered automation, Data Science, and backend development — building systems that think, learn, and drive real business impact. From AI Agents to RAG-powered knowledge systems, we combine deep technical expertise with practical business insight to deliver scalable, high-performance solutions.
Our Expertise Covers
◾AI Agent & Automation Development – Intelligent agents for workflow automation, NLP, and computer vision.
◾LLM & NLP Solutions – GPT-4, Claude, Falcon, LLaMA, LoRA/QLoRA, multilingual AI, semantic search.
◾ETL & Data Pipelines – Apache Airflow, AWS Glue, Lambda, large-scale data integration.
◾Data Analytics & Visualization – Python, Pandas, Jupyter, dashboards, BI tools.
◾Backend & API Architecture – FastAPI, Django, Flask, RESTful APIs, microservices.
◾Cloud & DevOps for AI – AWS, Azure, GCP, SageMaker, Docker, Kubernetes, CI/CD.
◾Web3 & Blockchain Integrations – Smart contracts, dApps, NFT automation.
Why Work With Hexabins?
With a proven record of delivering AI/ML solutions to clients worldwide, we bring both a global perspective and local understanding. Our two-location setup enables 24/7 collaboration, rapid delivery, and agile development. Whether you need a fine-tuned multilingual NLP model, an enterprise-grade AI agent, or an intelligent data pipeline, we deliver tailored, practical, and scalable solutions that drive measurable results.
Let’s build your next AI-powered breakthrough.
Message us today to explore how we can integrate AI, data science, and automation into your business.
Steps for completing your project
After purchasing the project, send requirements so Gayan can start the project.
Delivery time starts when Gayan receives requirements from you.
Gayan works on your project following the steps below.
Revisions may occur after the delivery date.
Project Understanding & Planning
Review client requirements, discuss scope, and finalize the project workflow.
Environment Setup & Integration
Set up development environment, connect OpenAI API, LangChain, and any required databases or vector stores.