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Western Union logo — Western Union FastAPI Developer Intern at Western Union
Western Union

FastAPI Developer Intern

InternshipIn OfficeKolkata, West Bengal6 months15K/mo6 openingsImmediate / Rolling
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About this internship

Join Western Union in Kolkata as a FastAPI Developer Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on modern async Python APIs work. About the role As a FastAPI Developer Intern at Western Union…

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Skills you'll use

PythonFastAPIPydanticAsync / AwaitPostgreSQLOpenAPI & SwaggerREST API DesignpytestDockerGit & GitHub

What you'll do

  • Work on building typed, async APIs that document themselves alongside the core team
  • Apply Python, FastAPI, Pydantic, Async / Await 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, FastAPI, Pydantic (or a genuine willingness to learn them)
  • Exposure to Async / Await, PostgreSQL, OpenAPI & Swagger 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

Flexible working hoursNetworking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentor

Interview & selection process

3 rounds — typical selection flow for this role:

  1. 1Application screening & resume shortlisting by the talent team
  2. 2Technical interview on fundamentals and your projects
  3. 3HR discussion — stipend, start date, expectations and offer

About Western Union

Western Union operates in the fintech & payments 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…
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