Full Stack Engineer

Strong Middle Full-Stack Developer (Next.js / TypeScript)

About the Role

We are looking for an experienced Full-Stack Developer with strong expertise in modern TypeScript-based architecture and a deep understanding of the Next.js ecosystem. This role requires someone who can design scalable applications, build complex UI systems, implement backend logic, and maintain high-quality engineering standards through testing and performance optimization.

You will work on building sophisticated web applications using the latest frontend and backend technologies while following modern architectural patterns and best practices.

Required Technical Skills

Frontend

Next.js 15+ (App Router)

Strong practical understanding of:

• React Server Components (RSC) vs Client Components
• use client / use server
• revalidatePath
• App Router architecture and rendering strategies

React 19

Hands-on experience with:

• Context API
• useState
• useCallback
• useRef
• Custom hooks
• Complex interaction logic including pointer-event drag implementations

TypeScript (strict mode)

Advanced TypeScript knowledge including:

• Branded types
• Utility types (Pick<>, NonNullable<>, Awaited<>, ReturnType<>)
• Exhaustive switch checking patterns
• Zod schema validation
• Strong type-safe architecture principles

Tailwind CSS + Shadcn UI (Radix UI)

Experience building complex UI systems, not only styling components:

• Dialog
• Sheet
• Popover
• Tabs
• Reusable design systems and component architecture

URL as State Management

Experience with:

• nuqs
• Type-safe search parameters
• URL-driven state patterns as alternatives to Redux/Zustand

Backend

Next.js Server Actions

Strong understanding of complete workflows:

• Authentication and authorization
• Data mutations
• revalidatePath
• Structured error handling and error enums

Prisma 6 + PostgreSQL

Practical experience with:

• ORM patterns
• Prisma.validator()
• satisfies
• Relations
• Soft delete implementation
• Understanding when to transition from ORM abstractions to raw SQL

SQL

Ability to write advanced queries including:

• WITH CTE queries
• Aggregated reporting queries
• Parameterized SQL using Prisma.sql

Testing

Experience with:

Bun Test

• Unit testing (pure functions)
• Integration testing (mocked Prisma)
• DOM testing using:
  
  • @testing-library/react
  • happy-dom

Testing Architecture

• Dynamic import patterns
• Cache-busting strategies for test isolation

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