Indraneel Chakraborty
Developer | Bioinformatician | Open Source Enthusiast
I am a technical lead, software developer, and data researcher working at the intersection of clinical programming, bioinformatics, open source, and AI-enabled tooling. I build reliable R/Python systems, validated cloud infrastructure, and developer-friendly tools for high-stakes data workflows.
Current Focus
| Area | Snapshot | URL |
|---|---|---|
| Open source R | Author of CRAN packages {llmshieldr}, {clintrialx}, and {shiny.ollama} for LLM safety, clinical trial data workflows, and local LLM interfaces. |
{llmshieldr}{clintrialx}{shiny.ollama} |
| Talks and writing | Speaker at R/Pharma GenAI Day 2026, PharmaSUG US 2026, and IASCT ConSPIC India 2025. | R/Pharma GenAI Day recording PharmaSUG 2026 paper IASCT ConSPIC 2025 reference |
| Community | Carpentries lesson maintainer, technical book reviewer, and open-source contributor across R, Python, Streamlit, and Snowflake ecosystems. | The Carpentries lesson StartLit GitHub |
Selected Works
| Project | Description | URL |
|---|---|---|
{llmshieldr} |
R package for LLM safety guardrails in pharma workflows, covering prompt safety, output filtering, and compliance-aware LLM usage. First published on CRAN in May 2026 and reached 500+ CRAN downloads as of June 2026. | https://cloud.r-project.org/package=llmshieldr |
{clintrialx} |
R package to fetch and explore clinical trial data from ClinicalTrials.gov and CTTI AACT registries. First published on CRAN in September 2024, reached 5000+ CRAN downloads as of June 2026, and was cited as a related tool in a Cambridge University Press publication. | https://cran.r-project.org/package=clintrialx |
30-days-of-pharmaverse |
Open-source, self-paced guide to clinical data science with R using the pharmaverse ecosystem. Designed for programmers and data scientists working with CDISC standards; 4,537+ visits as of June 2026. | https://indraneelchakraborty.com/30-days-of-pharmaverse/ |
30DaysOfAI-Streamlit |
A Streamlit application exploring Snowflake Cortex AI capabilities as part of the 30 Days of AI Challenge. | https://github.com/ineelhere/30DaysOfAI-Streamlit |
shiny.emojirain |
Create fun and engaging emoji rain animations in your Shiny applications with this R package; try it live here. | https://github.com/ineelhere/shiny.emojirain |
shiny.ollama |
Chat offline with open-source LLMs like deepseek-r1, nemotron, qwen, llama, and more through a simple R package powered by Shiny and Ollama. Published on CRAN. |
Development version: https://github.com/ineelhere/shiny.ollama/ CRAN release: https://cran.r-project.org/package=shiny.ollama |
StartLit |
Python package for making the Streamlit and Snowflake journey easier. | https://pypi.org/project/startlit/ |
Building Systems with ChatGPT API |
Guide on ChatGPT API integrations. | https://ineelhere.github.io/Building-Systems-with-the-ChatGPT-API/ |
Code With Go |
Learn Go with examples. | https://ineelhere.gitbook.io/code-with-go/ |
Curated |
Curated learning resources. | https://curated.streamlit.app/ |
India Fights COVID19 |
COVID-19 dashboard for India. | https://indiafightscovid19.streamlit.app/ |
… and many more. 