
Shape the future of Generative AI by designing intelligent prompts and RAG systems for enterprise applications.
What you'll do:
- Engineer advanced prompts for GPT-4o, Claude 3.5, Llama 3
- Build Retrieval-Augmented Generation (RAG) pipelines
- Fine-tune open-source LLMs on domain-specific datasets
- Create AI agents with tool calling and memory
- A/B test prompts for accuracy, bias, and response quality
- Develop chatbots for e-commerce, healthcare, legal use cases
What we need:
- Python proficiency, basic ML concepts
- Experience with ChatGPT/Claude APIs
- Strong logical reasoning and writing skills
- Curiosity about LLMs (no PhD required!)
Outcomes:
- Published AI research papers (co-authored)
- Live chatbot deployments in portfolio
- Interview-ready for Prompt Engineer roles

About LetsIntern
About
Apply for internship programs in 2026 at LetsIntern. Work on real industry projects, gain certificates, stipends & job-ready skills.
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Bengalore,mumbai,Delhi,Chennai
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Support brand teams by documenting best practices for digital marketing.
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We lead with empathy: We believe kindness and empathy lead to effective communication. We assume good intentions and seek mutual understanding from our teammates, customers, and users.
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We rise above the status quo: The status quo leads to pain for the people we serve, our communities, and our clients. We do our best to rise above the status quo, and to do things that no one else is doing. On an individual level, we strive to improve ourselves and always be learning.
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talented, young and motivated team
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