Full Stack Engineer Intern (TypeScript)

Salary Unpaid

Are you our new Full Stack Engineer Intern?

Build the product from interface to infrastructure

We’re building the “Duolingo for Excel,” and we’re looking for a full stack intern who wants real responsibility from day one. Spuddle is a small, ambitious startup. Our platform has been in active development for 3 months, and both the mobile app and backend are evolving fast. Now we’re looking for someone who wants to help us refine and connect it all, and grow while doing it.

About the Role

You’ll work across our TypeScript-based platform, contributing to both the React Native app and our backend service.

You’ll help us:

Build and refine UI components in React Native
Implement new product features end-to-end
Connect front-end flows to real API endpoints
Write and integrate backend logic
Design and query relational databases
Improve performance and reliability across the stack
Participate in code reviews and technical discussions

You won’t just work on “tickets.” You’ll understand how features move from idea → interface → API → database → user. We’re targeting users across geographically distributed regions (especially in Asia), so you’ll gain experience building applications that perform well under varying network conditions.

You’ll work closely with our CPO and founders, helping translate product ideas into working, shipped features. This is not a narrow front-end or back-end internship, you’ll build across boundaries.

Our Technical Stack

Back-End

Bun
Hono
Drizzle ORM
PostgreSQL

Front-End (exposure helpful)

React Native
Expo
TanStack Query
Zustand

What We’re Looking For

Required

Proficiency in TypeScript
Experience building React or React Native applications (professional or strong personal projects)
Understanding of RESTful API design and consumption
Familiarity with Git and version control
Ability to write clean, maintainable code
Strong communication skills and eagerness to learn
Comfortable working collaboratively in a small team

Nice to Have

Experience with Expo and React Native mobile development
Knowledge of state management (Zustand, Redux, etc.)
Experience with TanStack Query or similar data-fetching libraries
Backend development experience (Node.js or similar runtimes)
Understanding of SQL and relational databases
Exposure to mobile app deployment processes
Experience using TypeScript across both front-end and back-end

What We Offer

Real ownership and responsibility
Direct collaboration with founders
A flat structure and honest feedback
Flexibility around studies
A chance to build and ship production features across the entire stack

The Practicalities

The position is unpaid. We’re flexible on start date, hours, and duration.

If this sounds like the kind of challenge you want, send us a few words about yourself and something you’ve built.

We review applications continuously.

For more information or questions please contact us at info@spuddleapp.com

Perks and benefits

This job comes with several perks and benefits

Flexible working hours

Near public transit

Remote work allowed

Free coffee / tea

Gamified office

Central office

See all 8 benefits

Working at
Spuddle

See company profile

Spuddle is developing a Duolingo-style app for Excel to help young professionals boost their digital confidence and career readiness by turning complex skills into fun, bite-sized learning. Our secret sauce? Gamification, microlearning, and a community-driven approach that makes Excel something you actually want to practice. Across the world, more than a billion people use Excel and yet most have never been taught how to use it properly. For young professionals and recent graduates, this creates a huge barrier: they’re expected to “just know” Excel, but in reality many feel insecure, waste time on manual tasks, or miss out on opportunities because of weak digital skills. This gap affects productivity, confidence, and employability and it’s widespread across industries, especially in early career roles where Excel is a daily tool. We’re building a mobile app that makes learning Excel engaging and accessible, like Duolingo, but for spreadsheets. Instead of long, boring tutorials, users complete short, gamified exercises that fit into their everyday routines. The app adapts to their level, rewards progress, and helps them practice consistently until Excel becomes second nature. Beyond Excel, our vision is to expand into other workplace tools, becoming the go-to microlearning platform for digital skills. Spuddle started as a side project on social media. We shared quick Excel tips on Instagram and TikTok, and within six months had over 200,000 followers. The overwhelming response showed us just how many young professionals struggle with these skills and how much they crave accessible, fun learning. What began as a hobby quickly grew into a mission: to make digital skills education less intimidating and more empowering. We’re building Spuddle because we’ve lived the problem ourselves, and we believe mastering the basics should feel motivating, not overwhelming.