Happiest Minds Technologies

Experimentation & A/B Testing Intern

InternshipIn OfficeCoimbatore, Tamil Nadu4 months26K/mo10 openingsImmediate / Rolling

About this internship

Happiest Minds Technologies is hiring an Experimentation & A/B Testing Intern in Coimbatore — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to experimentation and causal inference rather than a certificate-only programme. About the role As an…

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Skills you'll use

A/B TestingCausal InferenceStatistical Power & Sample SizePythonSQLHypothesis TestingExperiment PlatformsMetric DesignConfidence IntervalsResult Communication

What you'll do

Work on designing tests that actually prove causation, and calling them honestly alongside the core team
Apply A/B Testing, Causal Inference, Statistical Power & Sample Size, Python 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, B.Sc/M.Sc (Statistics / Economics) or MBA (Analytics)
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 A/B Testing, Causal Inference, Statistical Power & Sample Size (or a genuine willingness to learn them)
Exposure to Python, SQL, Hypothesis Testing 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 Coimbatore, Tamil Nadu or willing to work from there for the internship period

Perks & benefits

Internship CertificateLetter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflows

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Online aptitude / domain assessment
3Technical interview on fundamentals and your projects
4HR discussion — stipend, start date, expectations and offer

About Happiest Minds Technologies

Happiest Minds Technologies operates in the cloud computing sector and has an active presence in Coimbatore. 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…

Visit Happiest Minds Technologies’s official website ↗

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