Mu Sigma

Python Developer Intern (FinTech)

InternshipHybridVaranasi, Uttar Pradesh3 months20K/mo4 openingsImmediate / Rolling

About this internship

Mu Sigma is hiring a Python Developer Intern (FinTech) in Varanasi — 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…

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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 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 Varanasi, Uttar Pradesh 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

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 Mu Sigma

Mu Sigma operates in the analytics consulting sector and has an active presence in Varanasi. 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…

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