Thermax

Prompt Engineering Intern

InternshipIn OfficePune, Maharashtra3 months25K/mo2 openingsImmediate / Rolling

About this internship

Thermax is hiring a Prompt Engineering Intern in Pune. This is a hands-on, mentor-led internship for students and recent graduates who want to build real, job-ready skills on live work rather than textbook exercises. As a Prompt Engineering Intern, you will work closely with experienced…

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Skills you'll use

Prompt EngineeringLLMsPythonOpenAI APILangChainNLPEvaluationFine-tuning Basics

What you'll do

designing and testing prompts for LLMs
building and evaluating prompt pipelines
measuring output quality and reducing errors
integrating LLM APIs into apps
documenting prompt patterns and results
Collaborate with the team and document your work
Take ownership of assigned tasks and act on feedback

Who can apply

Pursuing or recently completed Any graduate with strong reasoning; CS a plus
Foundational knowledge of Prompt Engineering, LLMs, Python, OpenAI API
Good communication and a genuine willingness to learn
Based in or open to working from Pune
A portfolio, project or coursework you can show (a plus, not mandatory)

Perks & benefits

Internship CertificateLetter of RecommendationMentorship from experienced professionalsReal-world project experiencePre-Placement Offer (PPO) opportunityFlexible working hours

Interview & selection process

3 rounds — typical selection flow for this role:

1Application Screening — the recruitment team at Thermax reviews your resume, projects/portfolio and fit for the Prompt Engineering Intern role.
2Aptitude / Skills Assessment — a screening test focused on reasoning, writing and basic Python/LLM knowledge.
3Technical / Role Interview — an in-depth discussion of your skills, projects and a task or case relevant to machine learning.
4HR / Managerial Discussion — a conversation about your interests, availability, learning goals and the internship offer with Thermax.

About Thermax

Thermax is a energy & environment engineering organisation with a strong presence in Pune and a track record of hiring and developing young talent. The team believes the best way to grow is by doing, so interns here are given real ownership from the start rather than being kept on the…

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