CDSL

Python Developer Intern (FinTech)

InternshipIn OfficeKolkata, West Bengal2 months25K/mo11 openingsImmediate / Rolling

About this internship

CDSL is hiring a Python Developer Intern (FinTech) in Kolkata — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to Python engineering in financial services rather than a certificate-only programme. About the role As a Python Developer Intern (FinTech)…

Similar internships hiring now

View all

Not quite right? These internships in Kolkata, West Bengal match the same skills — apply to a few to improve your chances.

API Integration Intern

Vimta Labs

HybridKolkata, West Bengal23K/mo

Apply

API Security Testing Intern

Gland Pharma

In OfficeKolkata, West Bengal17K/mo

Apply

Full Stack Developer Intern

FirstCry

RemoteKolkata, West Bengal11K/mo

Apply

DevOps / Cloud Intern

Finstein

HybridKolkata, West Bengal12K/mo

Apply

Skills you'll use

PythonREST APIsPostgreSQLDecimal & Money HandlingPayment Gateway IntegrationIdempotency & ReconciliationSecurity BasicsTestingAudit LoggingGit & GitHub

What you'll do

Work on building payment and ledger code where a rounding error is a real incident alongside the core team
Apply Python, REST APIs, PostgreSQL, Decimal & Money Handling 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 or M.Sc (Computer 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, REST APIs, PostgreSQL (or a genuine willingness to learn them)
Exposure to Decimal & Money Handling, Payment Gateway Integration, Idempotency & Reconciliation 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

Exposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship Certificate

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 CDSL

CDSL operates in the capital markets & broking 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…

Visit CDSL’s official website ↗

Apply Now Find internships at CDSL

Searching for “CDSL internships” or “internship at CDSL”? You’re in the right place.