Nucleus Software

Mobile App Development Intern (Android/iOS/Flutter)

InternshipIn OfficeMumbai, Maharashtra5 months25K/mo3 openingsImmediate / Rolling

About this internship

Nucleus Software is hiring a Mobile App Development Intern (Android/iOS/Flutter) in Mumbai — a hands-on, mentor-led internship for 2026 freshers and final-year students who want to build real, job-ready app development skills on live work rather than textbook exercises. As a Mobile App Development…

Skills you'll use

FlutterKotlinSwiftDartREST APIsGit

What you'll do

building app screens and flows
integrating REST APIs
testing on devices and emulators
fixing bugs and improving UX
Collaborate with the team and document your work
Take ownership of assigned tasks and act on feedback

Who can apply

Pursuing or recently completed a relevant degree (stream depends on the role) — 2026 freshers & final-year students welcome
Foundational knowledge of Flutter, Kotlin, Swift (or a strong willingness to learn them)
Good communication, problem-solving and a genuine eagerness to learn
Based in or willing to work from Mumbai
A portfolio, project or coursework you can show (a plus, not mandatory)

Perks & benefits

Internship CertificateLetter of RecommendationMentorship from experienced professionalsReal-world project experienceHands-on with industry tools

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Discussion with the hiring manager
3HR discussion — stipend, start date, expectations and offer

About Nucleus Software

Nucleus Software is a banking software company with a strong, growing presence in Mumbai — one of India's biggest hubs for early-career opportunities. The team believes the best way to grow is by doing, which is why interns here are given real ownership from the start rather than being kept on the…

Visit Nucleus Software’s official website ↗

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