Orange Business

API & Microservices Developer Intern

InternshipIn OfficeKolkata, West Bengal6 months16K/mo7 openingsImmediate / Rolling

About this internship

Start your career in API and microservice development with Orange Business as an API & Microservices 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 an API & Microservices…

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Skills you'll use

REST API DesignMicroservices ArchitectureNode.js or Spring BootDockerAPI Documentation (OpenAPI)PostgreSQL / MongoDBAPI Gateway & AuthGit & GitHubIntegration TestingLogging & Monitoring

What you'll do

Work on building small, well-documented services that other teams integrate with alongside the core team
Apply REST API Design, Microservices Architecture, Node.js or Spring Boot, Docker 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 REST API Design, Microservices Architecture, Node.js or Spring Boot (or a genuine willingness to learn them)
Exposure to Docker, API Documentation (OpenAPI), PostgreSQL / MongoDB 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

Pre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship CertificateLetter of Recommendation

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Practical assignment or case study with a short walkthrough
3Discussion with the hiring manager on the role and your fit
4HR discussion — stipend, start date, expectations and offer

About Orange Business

Orange Business operates in the telecom services 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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