Act21 Software

Prompt Engineering Intern

InternshipIn OfficeChennai, Tamil Nadu3 months29K/mo15 openingsImmediate / Rolling

About this internship

Start your career in prompt engineering with Act21 Software as a Prompt Engineering Intern in Chennai. You will sit with a working team, use the same tools and systems they do, and own a defined piece of work from day one. About the role As a Prompt Engineering Intern at Act21 Software, your core…

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Skills you'll use

Prompt EngineeringLLM APIsFew-shot DesignEvaluation SetsPythonChain-of-ThoughtOutput ParsingA/B TestingTechnical WritingGit

What you'll do

Work on writing and testing prompts as artefacts with versions and evaluations, not as clever one-liners alongside the core team
Apply Prompt Engineering, LLM APIs, Few-shot Design, Evaluation Sets to live, production-facing problems
Document your work clearly for reviewers and stakeholders
Participate in reviews and act on the feedback you receive
Collaborate across engineering, product, design or business as required
Follow the team's quality, testing and documentation standards

Who can apply

Pursuing or recently completed B.E./B.Tech (any branch), BCA/MCA, B.Sc (Computer Science / IT) or MCA
Graduating batch 2025, 2026 or 2027 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of Prompt Engineering, LLM APIs, Few-shot Design (or a genuine willingness to learn them)
Exposure to Evaluation Sets, Python, Chain-of-Thought is an advantage
Clear written and verbal communication in English, and care with detail in your work
No prior work experience required — this is a fresher-friendly internship
Based in Chennai, Tamil Nadu or willing to work from there for the internship period

Perks & benefits

Pre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship CertificateLetter of RecommendationDirect access to the team that owns the data you work on

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Team-fit / behavioural interview with the team
3Online aptitude / domain assessment
4HR discussion — stipend, start date, expectations and offer

About Act21 Software

Act21 Software operates in the it services sector and has an active presence in Chennai. Interns here are put on real work from the start, because the team's view is that the fastest way to learn a craft is to practise it under people who already do it well — not to watch it from a distance. The…

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