Optum (UnitedHealth Group)

Data Science Intern

InternshipIn OfficeKolkata, West Bengal5 months20K/mo1 openingImmediate / Rolling

About this internship

Optum (UnitedHealth Group) is hiring a Data Science Intern in Kolkata. This is a hands-on, mentor-led internship for students and recent graduates who want real, practical experience rather than textbook exercises. As a Data Science Intern, you will work alongside experienced professionals on real…

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Skills you'll use

PythonPandasNumPyMachine LearningSQLStatisticsScikit-learnData Visualization

What you'll do

Explore data and engineer features for models
Build and evaluate ML models with scikit-learn
Clean and preprocess structured/unstructured data
Communicate findings with clear visualisations
Collaborate with the team, document your work and act on feedback

Who can apply

Pursuing or recently completed a relevant degree/diploma (role-dependent, any stream where applicable)
Foundational knowledge of Python, Pandas, NumPy, Machine Learning
Good communication skills and a genuine willingness to learn
Based in or open to working from Kolkata, West Bengal (or remote where applicable)
A portfolio, project or coursework you can show (a plus, not mandatory)

Perks & benefits

Mentorship from experienced professionalsReal-world project experiencePre-Placement Offer (PPO) opportunityFlexible working hoursStipendNetworking opportunities

Interview & selection process

4 rounds — typical selection flow for this role:

1Application Screening — the Optum (UnitedHealth Group) recruitment team reviews your resume, skills and (where relevant) projects/portfolio for fit with the Data Science Intern internship in Kolkata.
2Online Assessment — a timed test covering fundamentals, problem solving and basic Python/Pandas/NumPy questions.
3Technical / Functional Interview — a discussion of your skills, past work and a hands-on round relevant to Data Science Intern.
4Second Interview — a deeper discussion with the team lead / hiring manager on real scenarios and problem solving.
5HR Discussion — a conversation about your goals, availability, expectations and the offer with Optum (UnitedHealth Group).

About Optum (UnitedHealth Group)

Optum (UnitedHealth Group) is a healthcare technology organisation with an active presence in India and a track record of hiring and developing young talent. The team believes the best way to grow people is by doing real work, so interns are given genuine ownership from the start. Working here…

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