Careers · Engineering
Full Stack Developer Intern
End-to-end work across React frontends and Node/Python backends. The best preparation for becoming the kind of engineer who can own a feature from database to pixel.
Apply for this roleWhat you'll do
- Ship small features end-to-end: schema, API, UI
- Work inside production codebases with reviews and CI
- Integrate third-party services and internal platform APIs
- Debug across the stack — and document what you learn
- Participate in scoping and breakdown of larger features
- Help write migrations and data backfills with care for production data
Required skills
- JavaScript/TypeScript plus one backend language (Node or Python)
- Understanding of HTTP, REST and relational databases
- Git workflow discipline
- Bonus: deployed projects, Supabase/Postgres, cloud basics
Preferred / bonus
- Familiarity with authentication patterns (JWT, OAuth, session cookies)
- Comfort with at least one ORM and one query builder
- Edge / serverless deployment experience
- An honest opinion about when to reach for SSR vs. client rendering
Who should apply
Builders who get restless owning only half a feature. If you've shipped a complete project — auth, database, UI, deployment — we want to see it.
Ideal candidate profile
- You enjoy the seam between systems more than either side alone
- You can debug a production issue without a senior holding your hand
- You leave a codebase better than you found it on every PR
What you'll learn
- Schema design, migration discipline, query performance in real apps
- Frontend and backend contracts — typed end-to-end
- Edge-runtime constraints and how to design within them
- Deployment, observability, on-call basics
Tools & stack
Growth path
The default pipeline into our Junior Software Developer role, with rotation across product and client engineering teams.
Months 0–3 (Intern)
Ship full-stack features with senior pairing.
Months 3–6 (Conversion)
Own a feature module across stack with measurable impact.
Year 1 (Junior Developer)
Module ownership; rotate between a Vestval product team and a client engagement.
Years 2–3
Become the go-to engineer for a product surface or client account.
How to apply
Use the application form on the careers page — select Internship as role type and mention Full Stack Developer Intern in your motivation note. Attach a résumé and anything you've built that you're proud of.
FAQ
Full Stack Developer Intern — frequently asked
- Yes. All Vestval internships carry a monthly stipend benchmarked to role and city. Stipend is discussed at the offer stage — not the application stage.
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