Fiserv

Experimentation & A/B Testing Intern

InternshipIn OfficeKochi, Kerala2 months28K/mo7 openingsImmediate / Rolling

About this internship

Start your career in experimentation and causal inference with Fiserv as an Experimentation & A/B Testing Intern in Kochi. 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 an Experimentation & A/B Testing…

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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 Kochi, Kerala or willing to work from there for the internship period

Perks & benefits

Letter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunity

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 Fiserv

Fiserv operates in the payments technology sector and has an active presence in Kochi. 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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