Founding Full-Stack Engineer

WhyHireWrong?

. Own the product UI/UX while working directly with the founder .

Posted 9/21/2026contractRemoteMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and shipping SvelteKit applications, with a strong focus on UI/UX design, performance optimization, and responsive accessibility. Proficient in TypeScript and Postgres, capable of managing full-stack debugging and CI/CD processes.

Highest-signal resume keywords

SvelteKit Application DevelopmentStrict TypeScript ProficiencyPostgres Schema DesignTailwind CSS ImplementationFastify API Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SvelteKitTypeScriptPostgresTailwind CSSFastifyREST APICI/CDSQLDebuggingComponent-Level Development

Soft Skills

CollaborationProblem-SolvingAdaptability

Tools & Technologies

Node.jsGitHubDrizzleKyselyPrisma

Industry Keywords

UI/UX DesignResponsive DesignComponent VariantsSchema-Based ValidationProduction Experience

Tech Stack

Tools & technologies

JavaScriptNode.jsPostgresReactSQLSvelteTypeScriptVue.js

About the role

Key responsibilities & impact

Own the product UI/UX while working directly with the founder
Build and ship SvelteKit applications end to end, including routing, load functions, server-side rendering, form actions, and client-side state management
Write strictly typed component-level TypeScript
Implement responsive and accessible UI with Tailwind CSS, including custom design systems and component variants
Build and expose REST or RPC endpoints in Fastify with schema-based request validation, error handling, and authentication middleware
Design Postgres tables, write and roll back migrations, and write raw SQL or use Drizzle, Kysely, or Prisma for non-trivial queries
Own frontend performance, including bundle size, hydration cost, load waterfalls, and Core Web Vitals
Set up or maintain CI/CD for a Node.js/SvelteKit application: build, lint, type-check, and deploy
Debug production issues across the full stack without handing off to a backend specialist
Shape a pre-launch startup from zero alongside the founder

Requirements

What you’ll need

4+ years of professional frontend engineering experience, with at least 1–2 years using SvelteKit specifically
Deep, verifiable experience in another modern reactive framework (React, Vue) is acceptable only if paired with proof of fast ramp-up on Svelte
Strict TypeScript proficiency, including generics, discriminated unions, and typing complex API responses
Working knowledge of Fastify, or deep equivalent experience in Express, Hono, or NestJS with fast ramp-up expected on Fastify's plugin and hook system
Hands-on Postgres skills: schema design, indexing basics, writing and reverting migrations, diagnosing slow queries with EXPLAIN, and using the psql CLI
Production experience with Tailwind CSS, including custom theme configuration, component abstraction, and responsive design
Public GitHub profile with relevant commit history or a live, functioning end-to-end product that can be tested directly
Ability to walk through a real production incident or bug fixed across frontend and backend
Based in Europe, working remotely, with significant working-hours overlap with a founder-led team