11/12/2026 updated

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Senior Full-Stack AI Engineer & Tech Lead

Bremen, Germany
Only remote
Bremen, Germany
Only remote

Profile attachments

CV_FULL_v2.pdf

About me

• 7+ years building products used by 300k+ people • Leading engineering teams and projects • Specialized in TypeScript, React and Next.js • AI products, AI consulting and team training

Next.jsTypeScriptReact.jsPrompt EngineeringGitStripePlaywrightFull Stack DevelopmentFront End Software Development
Senior Full-Stack AI Engineer & Tech Lead
7+ years building production web products with Next.js, React and TypeScript. Experienced across engineering, project delivery and leading projects and teams.

Recent projects
  • Cognitive assessment platform (300k+ users)
  • Print-on-demand platform (10k+ users, 300k+ orders)
  • AI-powered real estate search (30k+ users, 1M+ properties)
  • AI-powered B2B sales ops platform (5k+ users)
  • AI-powered invite-only music distribution platform (4k+ users)
And many other projects, all in my overview here: https://link.jlnlabs.com/about

Full-Stack Development (Next.js, React, TypeScript)
  • Full-stack web products from architecture and implementation to production
  • Maintainable codebases with strict typing, testing and high code quality

AI-Native Engineering
  • Effectively orchestrating parallel coding agents
  • Building AI features into products with LLMs, RAG and tool integrations
  • Setting up codebases so AI tools work well in them
  • Advising founders and training teams on practical AI adoption

Tech stack
  • Core: TypeScript, React, Next.js, Tailwind CSS, Effect.ts, Node.js, Bun
  • Database & ORM: Drizzle ORM, Prisma, PostgreSQL, MySQL, SQLite, Redis
  • Testing: Playwright, Vitest, React Testing Library
  • Tools & Services: Vercel, Stripe, Figma, Linear, AWS, Upstash, PlanetScale, Inngest, Resend
  • Others: AI SDK, shadcn/ui, TanStack, better-auth, tRPC, Zustand, Git, CI/CD

Experience

Professional experience5 - 10 years
Freelancer since2022

Languages

DeutschNative speakerEnglischFluent

Project history

Senior Full-Stack AI Engineer, AI Consultant & Tech Lead

Self-Employed
Lead and build full-stack web products for founders and startups, owning architecture and delivery from requirements to production.
  • Advising founders and engineering teams on software architecture and practical AI adoption
  • Introducing coding agents, automated workflows and AI-native development practices
  • Delivered a print-on-demand and production platform (10k+ users, 300k+ orders)
  • Built a B2B sales operations platform (5k+ users)
  • Developed a cognitive assessment platform (300k+ users)
Stack: Next.js, React, TypeScript

Full-Stack Engineer – Cognitive assessment platform (300k+ users)

Self-Employed (Project)
Cognitive assessment platform serving 300k+ users.
  • Automated assessment, scoring and reporting workflows
Stack: Next.js, TypeScript, React, Tailwind CSS, shadcn/ui, Radix UI, Vercel, Stripe, PostHog, Storyblok, AWS, tRPC, Auth.js, Drizzle ORM, Zod, React Hook Form, Turborepo

Full-Stack Engineer – Print-on-demand platform (10k+ users, 300k+ orders)

Self-Employed (Project)
Print-on-demand and production platform with 10k+ users and 300k+ orders.
  • Customer product creation, customization and ordering
  • Factory production and fulfillment workflows
  • SLA-driven operations
Stack: Next.js, TypeScript, React, Tailwind CSS, shadcn/ui, Radix UI, Vercel, Stripe, PostHog, Upstash, tRPC, Auth.js, Drizzle ORM, Zod, React Hook Form, Turborepo, Framer Motion, Redis

Full-Stack Engineer – B2B sales operations platform (5k+ users)

Self-Employed (Project)
B2B sales operations platform adopted by 5k+ users.
  • Call scheduling and outcome tracking
  • Attribution of conversions to individual reps
  • Automated commission calculations
  • Payment collection
Stack: Next.js, TypeScript, React, Tailwind CSS, shadcn/ui, Radix UI, Headless UI, Tremor, Vercel, Stripe, PlanetScale, Clerk, Inngest, SendGrid, AWS S3, tRPC, Prisma, Zod, Framer Motion, React Hook Form

Senior Full-Stack AI Engineer & Tech Lead

SODEFA GmbH & Co. KG
  • Led and developed web and mobile B2B projects with Next.js, React, Expo, React Native and TypeScript
  • Coordinated team execution and technical delivery
  • Delivered an AI-powered real estate search platform (30k+ users, 1M+ properties)
  • Managed technical recruiting, onboarding and knowledge sharing across the engineering team

Full-Stack Engineer – AI-powered real estate search (30k+ users, 1M+ properties)

Self-Employed (Project)
AI-powered real estate search platform with 30k+ users and 1M+ indexed properties.
  • Web and mobile apps built with Next.js, Expo and React Native
Stack: Next.js, TypeScript, React, Expo, React Native, Tailwind CSS, Radix UI, Headless UI, Recharts, Vercel, PlanetScale, BuilderIO, DigitalOcean, tRPC, Prisma, Vercel AI SDK, AWS Cognito, Zod, Framer Motion, React Hook Form, Zustand, Jotai

Senior Full-Stack Engineer & Frontend Lead

boewa GmbH
  • Led frontend architecture and delivery of B2B web applications with Next.js, React and TypeScript
  • Delivered multiple B2B production systems, including maritime insurance software
  • Set up modern frontend tooling and engineering best practices for code quality and maintainability
  • Mentored developers in modern frontend and full-stack technologies

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