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Software Engineer (Frontend) - Intern

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EMP:Technology
Berlin
Tiempo Completo
Remoto
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Descripción

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Heidi Systems Heidi Systems is building the data infrastructure layer for buildings and energy

We help property owners and managers digitize metering, consumption data, reporting, and billing workflows in one of the largest and most outdated infrastructure markets in Europe.

We are looking for a skilled frontend engineer who wants to own the product layer that makes complex infrastructure data legible, actionable, and fast.

You will work directly on our SvelteKit application — the interface through which property managers, operations teams, and customers interact with our systems every day.

This is not a typical frontend role.

You will work with real data from real buildings, build tools that handle high-volume consumption data, and collaborate closely with backend engineers and the founding team.

You own what you build.

Tasks What you will work on Build and improve our SvelteKit web application from the ground up Write strongly typed TypeScript across all layers of the frontend Implement server-side rendering, routing, and load functions in SvelteKit Build and maintain reusable UI components with Tailwind CSS and DaisyUI Integrate with backend APIs via oRPC and shape the contract between frontend and backend Write reliable tests with Vitest and JSDom Work with Bun as the runtime and for CLI scripting Improve developer tooling, code quality, and frontend reliability Debug real-world issues across APIs, data pipelines, and the UI layer Work closely with the founding team on product and architecture decisions.

Requisitos

Who we are looking for We are looking for someone unusually strong, precise, and product-minded

You should be excited about building clean, performant interfaces on top of complex data systems.

You do not need to know everything already, but you should learn fast, think from first principles, and care about the end result.

You are a great fit if you: Have 1–2+ years of professional experience with SvelteKit and TypeScript Understand the Sv.

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