1 Finance

ML Data Engineer Intern

InternshipHybridKolkata, West Bengal4 months28K/mo8 openingsImmediate / Rolling

About this internship

1 Finance is hiring a ML Data Engineer Intern in Kolkata — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to data engineering for machine learning rather than a certificate-only programme. About the role As a ML Data Engineer Intern at 1 Finance, your…

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Skills you'll use

PythonSQLETL / ELT PipelinesApache Spark BasicsFeature StoresAirflowData ValidationCloud StorageData VersioningPandas & NumPy

What you'll do

Work on building the pipelines and feature stores that keep training data trustworthy alongside the core team
Apply Python, SQL, ETL / ELT Pipelines, Apache Spark Basics 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), BCA, MCA or M.Sc (Computer Science / Data Science)
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 Python, SQL, ETL / ELT Pipelines (or a genuine willingness to learn them)
Exposure to Apache Spark Basics, Feature Stores, Airflow 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

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
2Discussion with the hiring manager on the role and your fit
3Team-fit / behavioural interview with the team
4HR discussion — stipend, start date, expectations and offer

About 1 Finance

1 Finance operates in the financial advisory 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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