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I’m Malte Warncke, a Senior Frontend / Fullstack Engineer with 14+ years of experience, including 12 years as a contractor. I build and evolve React, Next.js, and Angular applications with a strong focus on frontend architecture, design systems, accessibility, and performance—helping teams ship greenfield products that feel fast, coherent, and maintainable. In recent roles, I led frontend work on an AI platform (Next.js/React) and built a unified website and CMS infrastructure for a multi-academy education group (React/Next.js, Storyblok, design-system heavy Tailwind). I enjoy reducing complexity, improving page speed, and creating reusable UI foundations, while keeping quality high with unit/E2E testing and pragmatic, scrum-friendly ways of working.…I’m Malte Warncke, a Senior Frontend / Fullstack Engineer with 14+ years of experience, including 12 years as a contractor. I build and evolve React, Next.js, and Angular applications with a strong focus on frontend architecture, design systems, accessibility, and performance—helping teams ship greenfield products that feel fast, coherent, and maintainable. In recent roles, I led frontend work on an AI platform (Next.js/React) and built a unified website and CMS infrastructure for a multi-academy education group (React/Next.js, Storyblok, design-system heavy Tailwind). I enjoy reducing complexity, improving page speed, and creating reusable UI foundations, while keeping quality high with unit/E2E testing and pragmatic, scrum-friendly ways of working.

Malte Warncke

Full Stack Developer, Web Developer, Front-End Developer, +2

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I’m Malte Warncke, a Senior Frontend / Fullstack Engineer with 14+ years of experience, including 12 years as a contractor. I build and evolve React, Next.js, and Angular applications with a strong focus on frontend architecture, design systems, accessibility, and performance—helping teams ship greenfield products that feel fast, coherent, and maintainable. In recent roles, I led frontend work on an AI platform (Next.js/React) and built a unified website and CMS infrastructure for a multi-academy education group (React/Next.js, Storyblok, design-system heavy Tailwind). I enjoy reducing complexity, improving page speed, and creating reusable UI foundations, while keeping quality high with unit/E2E testing and pragmatic, scrum-friendly ways of working.…I’m Malte Warncke, a Senior Frontend / Fullstack Engineer with 14+ years of experience, including 12 years as a contractor. I build and evolve React, Next.js, and Angular applications with a strong focus on frontend architecture, design systems, accessibility, and performance—helping teams ship greenfield products that feel fast, coherent, and maintainable. In recent roles, I led frontend work on an AI platform (Next.js/React) and built a unified website and CMS infrastructure for a multi-academy education group (React/Next.js, Storyblok, design-system heavy Tailwind). I enjoy reducing complexity, improving page speed, and creating reusable UI foundations, while keeping quality high with unit/E2E testing and pragmatic, scrum-friendly ways of working.

Available to hire

I’m Malte Warncke, a Senior Frontend / Fullstack Engineer with 14+ years of experience, including 12 years as a contractor. I build and evolve React, Next.js, and Angular applications with a strong focus on frontend architecture, design systems, accessibility, and performance—helping teams ship greenfield products that feel fast, coherent, and maintainable.

In recent roles, I led frontend work on an AI platform (Next.js/React) and built a unified website and CMS infrastructure for a multi-academy education group (React/Next.js, Storyblok, design-system heavy Tailwind). I enjoy reducing complexity, improving page speed, and creating reusable UI foundations, while keeping quality high with unit/E2E testing and pragmatic, scrum-friendly ways of working.

Skills

Experience Level

Expert

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Language

German

Advanced

English

Advanced

Work Experience

Lead Developer (Frontend) at Otoy

October 1, 2025 - September 30, 2026

Contracted to extend Sandbox, an AI platform allowing clients to generate images, videos, and audio through a unified Next.js frontend and schema for multiple AI endpoints. Focused on reducing complexity and technical overhead while adding new features. Delivered performance optimisations to improve responsiveness and user experience, including reductions in bundle size and faster page loads. Maintained a reusable React component library and implemented unit test coverage to keep changes reliable.

Lead Developer (Fullstack) at Education Partners

October 1, 2024 - October 1, 2025

Led a greenfield program to replace and unify multiple legacy website stacks with a single provider-based solution for multiple adult education academies. Built the foundation for the company’s website infrastructure and CMS, including Storyblok-based component development. Designed and implemented a complex Tailwind-based design system that still allows each academy to keep its own look and feel. Established build/deploy pipeline and automated deployments with CI pipelines, and improved performance across search and core journeys. Added unit and E2E testing to ensure quality at scale.

Lead Developer (Frontend) at hygi.de

August 1, 2022 - October 1, 2024

Contract role helping build a web-based internal metrics platform for a large B2B e-commerce environment. Owned frontend architecture and performance improvements for a dashboard experience backed by a Hasura GraphQL API. Built a JSON configuration system that renders multiple metric types using configured and partially dynamic GraphQL requests, enabling users to create dashboard configurations with point-and-click interactions and dynamic filters. Delivered chart and table experiences that remain usable even on low-powered computers.

Frontend Developer at Hagebau

September 1, 2021 - August 1, 2022

Built an internal tool for price and stock adjustments handling up to 50,000 articles in a single table. Worked on responsive, maintainable UI components and data-heavy interactions for fast operational workflows.

Frontend Developer at ABOUT YOU

June 1, 2020 - September 1, 2021

Developed a modular, themeable component library from scratch to enable rapid rollout of multiple client shops. Focused on reusable UI patterns, clean interfaces, and integration with supporting services built with Node.js.

Frontend Developer at Tchibo

July 1, 2019 - March 1, 2020

Worked on a personalization project for the Tchibo online shop. Delivered frontend implementations supporting dynamic personalization experiences.

Frontend Developer at ERGO IT

January 1, 2018 - January 1, 2019

Built a customer portal and custom CMS for insurance agents, including frontend delivery and UI integration work for agent-facing workflows.

Frontend Developer at SinnerSchrader (client: Volkswagen)

January 1, 2016 - January 1, 2018

Worked on the Volkswagen car configurator, then on an AEM-based CMS for Volkswagen. Delivered frontend features using component and state management approaches, and contributed automated testing practices in the project lifecycle.

Frontend Developer at ABOUT YOU

January 1, 2014 - January 1, 2016

Contributed to an online fashion shop with frontend development and performance optimization, focusing on improving user-facing speed and interaction quality.

Fullstack Developer at shopping24 internet group (Otto Group)

January 1, 2012 - January 1, 2014

Worked on a multi-site e-commerce platform and in-house tools, including responsive UI work. Contributed fullstack features and automated tests to support product and operational requirements.