State Street

LLM Application Developer Intern

InternshipIn OfficeKolkata, West Bengal6 months30K/mo12 openingsImmediate / Rolling

About this internship

Start your career in LLM-powered application development with State Street as a LLM Application Developer Intern in Kolkata. You will sit with a working team, use the same tools and systems they do, and own a defined piece of work from day one. About the role As a LLM Application Developer Intern…

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Skills you'll use

Large Language Models (LLMs)PythonReact.js or Next.jsStreaming ResponsesOpenAI / Anthropic APIsSession & Context ManagementREST APIsError & Fallback HandlingPrompt EngineeringTesting

What you'll do

Work on wrapping language models in an interface real users can rely on every day alongside the core team
Apply Large Language Models (LLMs), Python, React.js or Next.js, Streaming Responses 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), BCA, 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 Large Language Models (LLMs), Python, React.js or Next.js (or a genuine willingness to learn them)
Exposure to Streaming Responses, OpenAI / Anthropic APIs, Session & Context Management 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

Letter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunity

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 State Street

State Street operates in the asset & wealth management 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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