FSS (Financial Software and Systems)

Financial Data Science Intern

InternshipIn OfficeKolkata, West Bengal2 months21K/mo2 openingsImmediate / Rolling

About this internship

Join FSS (Financial Software and Systems) in Kolkata as a Financial Data Science Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on data science in financial services work. About the role As a…

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Skills you'll use

PythonStatistical ModellingTime-Series AnalysisSQLRisk & Credit MetricsFinancial Data SourcesModel ValidationBacktestingModel ExplainabilityRegulatory Awareness

What you'll do

Work on modelling credit, pricing or market data where being wrong is expensive alongside the core team
Apply Python, Statistical Modelling, Time-Series Analysis, SQL 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, M.Sc (Statistics / Mathematics / Financial Engineering), MBA (Finance) or CA/CFA-track
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 Python, Statistical Modelling, Time-Series Analysis (or a genuine willingness to learn them)
Exposure to SQL, Risk & Credit Metrics, Financial Data Sources 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

Mentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hours

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Team-fit / behavioural interview with the team
3HR discussion — stipend, start date, expectations and offer

About FSS (Financial Software and Systems)

FSS (Financial Software and Systems) operates in the payments technology 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…

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