Hiring.Camp

Junior Full-Stack Developer (TypeScript / React ・ Supabase / Postgres)

Kfs1

·

Jun 23, 2026

Location
hu · Hungary
Workplace
Onsite
Department
Professional / Experienced
Seniority
Entry
Source
JOIN

Description

**Location:** Hungary **Type:** Full-time or working student / part-time - both welcome **Level:** Junior ・ Working student ・ Recent graduate

**Why this role**

We build software that real businesses run on. You'll join a small, senior team where you own real features early ― not tickets that someone pre-chewed for you. You'll learn fast, ship to production within your first weeks, and have a senior engineer in your corner the whole way.

This is a role for someone early in their career who thinks in **systems**, not just syntax.

**Let's** **be honest about AI (please read this)**

We don't expect you to hand-type every line from memory, and we don't want you to. Of course you'll use Cursor, Copilot, Claude, and whatever comes next ― that's not cheating, that's the job in 2026. We **want** you to vibe-code.

But here's the thing the tools _can't_ do for you: they don't know what the right answer is. **We hire for that.** Our focus is **architecture and judgment** ― the ability to decide what should be built, how the data should be shaped, where a responsibility belongs, and whether the code the AI just generated is actually correct, secure, and maintainable, or just plausible-looking.

So the bar isn't "can you write a for-loop without help." The bar is: **do you understand the system well enough to steer the tools and recognize a good result when you see one?** If you're early in your career but you genuinely \_get\_how the pieces fit together, you're exactly who we're looking for.

## Tasks

**What** **you'll** **do**

Build product features end to end with AI-assisted tooling: database → API → React UI.

Learn to model data properly in **Postgres** ― schema, relationships, migrations, and Supabase Row-Level Security ― and understand _why_ it's structured that way.

Build clean, usable interfaces in **React + TypeScript**.

Read, question, and improve the code you and the tools produce ― and learn to tell solid architecture from a shortcut that'll hurt later.

Grow quickly with real mentorship, code reviews, and ownership.

**Our stack (what** **you'll** **learn on the job)**

**Languages:** TypeScript, Python

**Frontend:** React, \[Next.js / Vite\], Tailwind CSS

**Backend / Data:** Supabase (Postgres, Auth, Storage, Edge Functions), SQL, RLS

**Tooling:** Git/GitHub, CI/CD, Claudflare, and the AI dev tools you already use

**AI-native workflow:** Cursor / Copilot / Claude as a normal part of how we build

**Sysops**: Debian, terminal, etc

You won't know all of this on day one. No junior does. You'll learn it here.

## Requirements

**What** **we're** **looking for**

**Must-haves**

A real foundation in **TypeScript / JavaScript and React** ― through study, side projects, an internship, or things you've built for fun.

**Architectural curiosity:** you care _why_ code is structured a certain way, not just whether it runs.

Basic comfort with **SQL / relational data** ― or the clear ability to pick it up fast.

You use AI dev tools well and critically ― you don't blindly paste whatever they output.

You communicate clearly in **English** and you're genuinely eager to learn.

Fluent Hungarian (native or C1) and based in Hungary, as our team and customers work in Hungarian.

**Nice-to-haves**

A GitHub or portfolio with something you actually built - however small or messy.

Exposure to Supabase, Firebase, or any Postgres-backed app.

An eye for UI/UX.

Currently studying computer science or similar (working-student arrangement very welcome).

German or another European language (not required ― English is our working language).

We care far more about how you think than about your CV length.

## Benefits

**How we work**

**Small team** ― you learn directly from people who've shipped a lot, and your work matters from week one.

**Hybrid:** a real office in HU plus flexibility to work from home most of the week.

**Student-friendly:** flexible hours; we'll work around your lectures and exams.

**Low bureaucracy:** clear ownership, short feedback loops, no death-by-process.

**What we offer**

Fair junior compensation with clear room to grow.

Real mentorship ― not "figure it out alone."

Modern hardware and the AI tooling you need.

A learning budget for courses, books, and conferences.

The chance to grow into a serious engineer on a product that real customers use.

**How to apply**

Send a short note about yourself plus your **GitHub / portfolio / LinkedIn.** Built something you're proud of ― or even something broken you learned from? Link it. A CV is welcome, but what you've made and how you think tells us more.

No essay required. We review every application and reply to everyone.

Benefits

**How we work** **Small team** ― you learn directly from people who've shipped a lot, and your work matters from week one. **Hybrid:** a real office in HU plus flexibility to work from home most of the week. **Student-friendly:** flexible hours; we'll work around your lectures and exams. **Low bureaucracy:** clear ownership, short feedback loops, no death-by-process. **What we offer** Fair junior compensation with clear room to grow. Real mentorship ― not "figure it out alone." Modern hardware and the AI tooling you need. A learning budget for courses, books, and conferences. The chance to grow into a serious engineer on a product that real customers use.

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Junior Full-Stack Developer (TypeScript / React ・ Supabase / Postgres) at Kfs1 | Hiring.Camp