22.12.2025 aktualisiert


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Senior Frontend / Fullstack Engineer (TypeScript, Node.js)
Dusseldorf, Deutschland
Weltweit
Bachelor ’s Degree in Physics & Computer ScienceÜber mich
Senior Frontend Engineer with 10+ years of experience delivering React and TypeScript applications in enterprise and e-commerce environments. Specialized in short-term contract work, UI performance optimization, accessibility and stabilizing existing codebases during high-pressure phases.
Skills
JavaScriptAgile MethodologieHTML5Microsoft AzureCSSContinuous IntegrationNode.jsPerformance-TuningTypeScriptWeb Content Accessibility GuidelinesReact.jsGrafanaGitGraphQLFront End
React TypeScript
JavaScript HTML5
CSS SCSS
GraphQL Redux
Zustand Node.js
NestJS Go
Accessibility (WCAG) Performance Optimization
Grafana Azure Logs
ELK Git
CI/CD Agile
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2024
Sprachen
DeutschgutEnglischverhandlungssicher
Projekthistorie
Project: E-commerce for distributors and manufacturers.
Project description: Support direct digital connection between manufacturers and distributors in
online sales of building product.
Tasks / Responsibilities:
* Analysis, design and programming of software products with React+Typescript and Node.js;
* Connection of GraphQL and REST APIs;
* Carrying out system tests and error analysis;
* Development of unit tests;
Technologies / Programming languages: React, Nodejs, sass, styled-component, Redux, Apollo, GraphQL,
Typescript;
Tools: IntelliJ IDEA.
Project language: English, German,
Customer / Industry: https://www.promaterial.com/
Project description: Support direct digital connection between manufacturers and distributors in
online sales of building product.
Tasks / Responsibilities:
* Analysis, design and programming of software products with React+Typescript and Node.js;
* Connection of GraphQL and REST APIs;
* Carrying out system tests and error analysis;
* Development of unit tests;
Technologies / Programming languages: React, Nodejs, sass, styled-component, Redux, Apollo, GraphQL,
Typescript;
Tools: IntelliJ IDEA.
Project language: English, German,
Customer / Industry: https://www.promaterial.com/
Project: ASF
Project description: Support financial institutions and companies as a best-in-class partner for
information management with integrated and international B2B2C solutions as a single partner - for
increased company growth through data-based decisions.
Tasks / Responsibilities: Supporting two projects from Frontend side.
Technologies / Programming languages: React, Nodejs, sass, styled-component, Redux, redux-thunk, sagas;
Tools: IntelliJ IDEA.
Project language: English, German,
Customer / Industry: https://www.crifbuergel.de/
Project description: Support financial institutions and companies as a best-in-class partner for
information management with integrated and international B2B2C solutions as a single partner - for
increased company growth through data-based decisions.
Tasks / Responsibilities: Supporting two projects from Frontend side.
Technologies / Programming languages: React, Nodejs, sass, styled-component, Redux, redux-thunk, sagas;
Tools: IntelliJ IDEA.
Project language: English, German,
Customer / Industry: https://www.crifbuergel.de/
Dusseldorf:
Senior Front-End Developer at Douglas IT (https://www.douglas.de/) (October 2017- July 2020,
with direct contract from 12 March 2018)
Project: Douglas IT
Project description: Large cosmetic company with shops in a lot of countries with localization
support.
Tasks / Responsibilities: Supporting company online shop site according to Scala templating and
Reactjs.
Technologies / Programming languages: Scala templating, Reactjs, Redux, Saga, html5, Sass, BEM, es6,
Patternlab;
Tools: IntelliJ IDEA, patternlab for scratch.
Project language: English, German
Customer / Industry: https://www.douglas.de/
Senior Front-End Developer at Douglas IT (https://www.douglas.de/) (October 2017- July 2020,
with direct contract from 12 March 2018)
Project: Douglas IT
Project description: Large cosmetic company with shops in a lot of countries with localization
support.
Tasks / Responsibilities: Supporting company online shop site according to Scala templating and
Reactjs.
Technologies / Programming languages: Scala templating, Reactjs, Redux, Saga, html5, Sass, BEM, es6,
Patternlab;
Tools: IntelliJ IDEA, patternlab for scratch.
Project language: English, German
Customer / Industry: https://www.douglas.de/