Perfios

Recommendation Systems Intern

InternshipIn OfficeKolkata, West Bengal4 months27K/mo10 openingsImmediate / Rolling

About this internship

Perfios has an open Recommendation Systems Intern position in Kolkata for motivated freshers and final-year students. You will work on live recommendation and personalisation systems projects and finish with something you can genuinely talk about in interviews. About the role As a Recommendation…

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Skills you'll use

Recommendation SystemsCollaborative FilteringPythonRanking ModelsEmbeddingsA/B TestingSQLCold-Start HandlingEvaluation (NDCG / CTR)Feature Engineering

What you'll do

Work on building the ranking that decides what each user sees next alongside the core team
Apply Recommendation Systems, Collaborative Filtering, Python, Ranking Models 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 (CSE/IT), MCA, M.Sc (CS / Statistics) or M.Tech
Graduating batch 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 Recommendation Systems, Collaborative Filtering, Python (or a genuine willingness to learn them)
Exposure to Ranking Models, Embeddings, A/B 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 Kolkata, West Bengal or willing to work from there for the internship period

Perks & benefits

Networking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentorLive project experience

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Discussion with the hiring manager on the role and your fit
3HR discussion — stipend, start date, expectations and offer

About Perfios

Perfios operates in the fintech & payments sector and has an active presence in Kolkata. 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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