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Philipp NeumannPN

Philipp Neumann

Lead Full Stack AI Engineer | React, Next.js

€720/day
München, DE
8-15 years

Average response time: 1 hour

About Philipp

I build scalable web products and integrate AI where it creates real added value.
10+ years of experience · SaaS · AI · Product Engineering


JavaScript:
TypeScript, ES6, ES7, ES8

Frontend:
React, Next.js, Redux Toolkit, Rematch,
TanStack Query, SWR, Apollo

Tools & component libraries:
Storybook, shadcn/ui, Material UI

CSS:
CSS3, CSS Modules, SASS, SCSS, Tailwind

Testing:
Testing Library, Jest, Playwright

Backend:
Node.js, express, Nest.js, Next.js

Database:
PostgreSQL, SQL, ORM, Prisma, TypeORM

API:
REST, GraphQL, Web Sockets, OAuth2,
OpenID Connect, Streaming API

CMS:
Payload, Strapi, Contentful, WordPress (Headless)

AI:
Vercel AI SDK, MCP, RAG, function calling,
VSCode Copilot, Claude Code,
OpenAI, Google Gemini, Mistral AI, …

Tools:
Git, npm, yarn (workspaces), webpack, Babel,
ESLint, Prettier

DevOps:
Docker, CI/CD, Jenkins, Linux, Plesk

Cloud:
Google Cloud, Amazon Web Services (AWS),
Microsoft Azure

Collaboration:
Scrum, SAFe, Kanban, Jira, Confluence, Trello

Creative:
Adobe Creative Cloud, Figma, Miro
  • French

    Native or bilingual

  • German

    Fluent

  • English

    Basic

  • Spanish

    Basic

Can work on-site
München (up to 50km), München (up to 50km)

Experience

  • Excelerate
    AI E-learning authoring tool
    SOFTWARE PUBLISHING
    November 2025 - February 2026 (3 months)
    München, Germany
    Role:
    Lead Full Stack AI Engineer | React, Next.js

    Tasks:
    Development of the API for using generative AI. With its help, the excelerate authoring tool automatically takes over the creation of the WBT (web-based training).
    With a PDF and a few specifications, users can generate a complete WBT including all content within a few minutes.

    - Mistral AI for data collection
    - OpenAI for structure, text image generation

    Technologies:
    OpenAI, Mistral AI, Vercel AI SDK, JavaScript, TypeScript, React, Next.js, Storybook, Tailwind, Strapi, Rest-API, Testing Library, Jest, Playwright
    React.js JEST artificial intelligence Next.js Storybook
  • WTS PSP AI GmbH
    WTS PSP AI GmbH | Tax AI Plattform
    SOFTWARE PUBLISHING
    July 2025 - September 2025 (2 months)
    München, Germany
    Role:
    Senior Full Stack AI Engineer | React, Next.js

    Tasks:
    Feature development for usability optimization. Integration of Storybook into the existing Next.js project structure, creation of best practices and onboarding for other developers. Bug fixing and improvement of error management.

    - Feature development
    - Storybook integration
    - Bugfixing

    Technologies:
    JavaScript, TypeScript, React, Next.js, Jotai, Storybook, Tailwind, Rest-API, Testing Library, Jest, WCAG, a11y, Azure DevOps
    Next.js React.js JavaScript Typescript TailwindCSS
  • Excelerate
    excelerate | AI E-learning authoring tool
    SOFTWARE PUBLISHING
    February 2025 - May 2025 (3 months)
    München, Germany
    Role:
    Lead Full Stack AI Engineer | React, Next.js

    Tasks:
    Development of the API for using generative AI. With its help, the excelerate authoring tool automatically takes over the creation of the WBT (web-based training).
    With a PDF and a few specifications, users can generate a complete WBT including all content within a few minutes.

    - Mistral AI for data collection
    - OpenAI for structure, text image generation

    Technologies:
    OpenAI, Mistral AI, Vercel AI SDK, JavaScript, TypeScript, React, Next.js, Storybook, Tailwind, Strapi, Rest-API, Testing Library, Jest, Playwright
    Next.js JavaScript artificial intelligence JEST Storybook

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