Frontend Engineer

I help agency and enterprise teams build scalable, high-performance web applications with React, Next.js, and Vue.

About Me

I'm a Senior Freelance Frontend Engineer based in Berlin with over a decade of experience delivering complex digital experiences.

I’ve worked with leading brands such as Deutsche Bahn, BMW, Audi, and Mercedes-Benz to deliver high-impact products across desktop, mobile, and specialized hardware environments.

Core Expertise

Primary Stack

TypeScript
React /​ Next.js
Vue /​ Nuxt

Architecture & State

Redux /​ Pinia
SSR /​ SSG
REST /​ GraphQL

Quality & Delivery

Jest /​ RTL
CI/​CD /​ Jenkins
Docker

Featured Projects

Career Highlights

Senior Frontend Developer

Scholz & Volkmer GmbH

Senior Frontend Developer

Das Büro am Draht GmbH

Senior Frontend Developer

Aperto AG - IBM iX

Frontend Developer

Hi-ReS! Berlin GmbH - SYZYGY

Frontend Developer

Began Freelancing

Frontend Developer

Razorfish GmbH - SapientRazorfish

Junior Frontend Developer

Neue Digitale GmbH

Languages

Danish (Native)
English (Fluent)
German (Professional)

Education

Get in Touch

Available for freelance projects and long-term collaborations in Berlin or remotely. Let’s discuss how I can support your team.

© 2026 Christian Gjelstrup. All rights reserved.