Professional Experience
Sebastian Grebe
Senior Engineering Manager
Key Highlights
- Scaled engineering org to 40+ engineers at MENA's biggest classified marketplace
- AI-first product strategy with LLM-powered features using LangChain & LangGraph
- Full-stack platform modernization from Django monolith to Next.js micro-frontends
- Published author of two technical books (Packt Publishing)
- Running 4 active ventures across AI and fintech
- 10+ years shipping production code across startups and scale-ups
Career History
Senior Engineering Manager
Dubizzle Group · Dubai, UAE
Tech: Django, Python, MySQL, PostgreSQL, AWS (EKS, RDS), React, Next.js, TypeScript, LangGraph, LangChain
Engineering Manager
Dubizzle Group · Dubai, UAE
Tech: Django, Python, MySQL, PostgreSQL, AWS (EKS, RDS), React, Next.js, TypeScript, LangGraph, LangChain
Engineering Team Lead
Aachener Parkhaus GmbH · Aachen, Germany
Tech: React.js, React Native, TypeScript, Node.js, NestJS, Express.js, ES6, MySQL, PostgreSQL, Laravel, PHP, Azure
Full-Stack Engineer
Aachener Parkhaus GmbH · Aachen, Germany
Tech: React.js, React Native, TypeScript, Node.js, NestJS, Express.js, ES6, MySQL, PostgreSQL, Laravel, PHP, Azure
Software Engineer
IfU – Institut für Unternehmenskultur GmbH · Aachen, Germany
Tech: React.js, TypeScript, ES6, Node.js, NestJS, Express.js, MySQL, PHP, Laravel
Founder & Software Engineer
Entrepreneurial Work · Cologne, Germany
Tech: Laravel, PHP, MySQL, AngularJS, TypeScript
Core Competencies
AI & LLM
Frontend
Backend
Infrastructure
Data
Leadership
Education
Specialist in Application Development (IHK-Certified)
BWV Aachen
Aachen, Germany
Government-certified dual vocational degree combining academic coursework with professional training (EQF Level 4)
Computer Science (foundational coursework)
RWTH Aachen University
Aachen, Germany
Completed foundational coursework before transitioning to professional qualification track