Backend
Python, FastAPI, Django, Node.js, PHP, Laravel
For recruiters & hiring managers
Senior AI engineer and fullstack developer for systems that hold up in production
Former CTO, now independent developer: I help teams build AI systems, platforms and custom software — pragmatic, direct and focused on real outcomes.
If you need to quickly assess whether I fit a role technically and operationally, this page is for you.
Fit Check
Why recruiters should take a closer look
Not just fullstack. Not just AI. Technical ownership from idea to production.
My profile is strongest when teams need someone who can bridge product intent, technical implementation and stable operations. I communicate directly, work transparently and avoid hype language. Good news does not arrive late — bad news even less so.
Stack
Stack and engagement fields
The key technologies and project types at a glance.
Frontend
React, Next.js, JavaScript, TypeScript, Tailwind CSS
Data
PostgreSQL, MySQL, Redis, MongoDB, Vector DBs
DevOps
Docker, AWS, Azure, GitHub Actions, CI/CD
AI/LLM
RAG, LangChain, LangGraph, LLM integration, agentic AI
Experience
Experience at a glance
7+ years software development
Former CTO
SMB to enterprise
Remote across Germany, Stuttgart by arrangement
Professional DE & EN
Direct and agency-led engagements possible
Case Studies
Three projects that show fit fastest
Multi-agent system for a German automotive group
Internal analysis tool with multi-agent architecture, chat UI and real-time streaming for insights across multiple data sources.
Why relevant: Enterprise fit, AI engineering depth and AI as an internal work tool rather than a demo.
RAG chat assistant for internal knowledge management
Production AI chat based on internal wiki content and legal reference documents with sources, hybrid search and streaming answers.
Why relevant: Hands-on enterprise AI experience: making internal knowledge usable without dropping source and quality logic.
AI-supported market and location analysis
Fullstack and AI application for location analysis with competitor data, prices, travel times, demographics and AI-supported market assessment.
Why relevant: Reduced location research from days to minutes and replaced several thousand euros per year in data-tool subscriptions.
Social Proof
What others say about working with me
“Niclas understood our idea immediately and translated it into a well-thought-out, stable application. The communication was clear, the implementation fast, and the result fits our requirements exactly. This is what you want software development to be like.”
“With Niclas, we found a partner who quickly and deeply familiarized himself with our technically complex requirements. The technical implementation was clean, the collaboration reliable and uncomplicated. Our platform works exactly as we imagined it.”
Process
How I fit into your recruiting process
I provide the relevant material and a quick technical assessment. The next steps follow your process or your client’s process.
- 1
Check the basics: role, project context, start window and tech focus are enough for an initial assessment.
- 2
Provide material: if there is a baseline fit, I send CV, project examples and notes on engagement frame and availability.
- 3
Join your process: I participate in technical screenings, client calls or interviews according to your process.
- 4
Decide transparently: if scope, team setup or constraints do not fit, I say so early and clearly.
Contact
Do you have a fitting role or project?
Send the key details — short and concrete is enough. Role, context, team setup, remote/on-site expectations, start window and tech focus are most helpful.