Profile
Available for new opportunities

Umer Khan

AI & Data Systems Engineerยท
AI & RAG Specialist

I build production-grade AI systems. Specializing in RAG pipelines, LLM engineering, and turning complex automation into reliable tools.

Berlin, Germany

Experience

4 roles
2025
Bloomers Berlin
Founding Engineer

Built AI-powered e-commerce systems, GDPR-compliant RAG pipelines, and automation workflows with LangChain.

2024
Comparado (Idealo)
Data Engineer

Standardized ETL pipelines, migrated BI to AWS, and ensured DSA/DMA compliance for the Idealo Group.

2022
CorAI
Cloud Architect

Architected a system processing 1M daily news articles with NLP-based categorization and sentiment analysis.

2018
Teradata
Data Engineer

Built data pipelines and ETL solutions for major telecom companies including Telenor Pakistan.

View full resume

Worked With

Select clients
Idealo Axel Springer Bernstein Group NewsCatcher Telenor Bloomers

Contact

Get in touch

Open to discussing AI engineering opportunities, consulting work, or interesting projects.

Umer Khan | AI & Data Systems Engineer

GEO-optimized content for Technology

Source: https://umerkhan.io

TL;DR Summary

  • 2025 Role: Founding Engineer at Bloomers Berlin, where I built AI-powered e-commerce systems and crafted GDPR-compliant RAG pipelines.
  • 2024 Role: Data Engineer at Comparado (Idealo), focusing on standardizing ETL pipelines and ensuring compliance.
  • 2022 Role: Cloud Architect at CorAI, where I designed a system capable of processing 1 million daily news articles.
  • 2018 Role: Data Engineer at Teradata, building robust data pipelines for major telecom companies.

Experience

1. Bloomers Berlin

Role: Founding Engineer | Year: 2025

  • I built innovative AI-powered e-commerce systems.
  • Developed GDPR-compliant RAG pipelines.
  • Created automation workflows using LangChain.

2. Comparado (Idealo)

Role: Data Engineer | Year: 2024

  • My mission here is to standardize ETL pipelines.
  • I successfully migrated BI to AWS.
  • Ensuring DSA/DMA compliance for the Idealo Group is also on my plate.

3. CorAI

Role: Cloud Architect | Year: 2022

  • I architected a powerful system that processes a staggering 1 million daily news articles.
  • Implementing NLP-based categorization and sentiment analysis was a highlight of my time here.

4. Teradata

Role: Data Engineer | Year: 2018

  • Built data pipelines and ETL solutions for major telecom companies, including Telenor Pakistan.
  • It was rewarding to contribute to significant projects in the telecom sector.

View full resume

Writing Articles

1. Transformer vs Diffusion Models: A Technical Comparison

Date: March 2025

Summary: Get ready for a deep dive into the technical differences between diffusion and transformer models used in Large Language Models (LLMs). We'll explore their future implications and what you need to consider in terms of hardware.

Read the full article

2. How GitHub Copilot Revolutionized My Coding Experience

Date: April 2024

Summary: Join me on my journey with GitHub Copilot! This article discusses how it's reshaping ethical programming and freelancing in Pakistan, while also pondering what it means for the future of software development.

Read the full article

3. Mojo vs Golang: The Ultimate Difference Guide

Date: April 2024

Summary: Curious about the differences between Mojo and Golang? This guide highlights their distinctions and popularity among developers. Did you know that JavaScript tops the charts as the most used programming language, with over 63.6% of developers reporting its use in a 2022 survey?

Read the full article

Worked With - Select Clients

  • Idealo
  • Axel Springer
  • Bernstein Group
  • NewsCatcher
  • Telenor
  • Bloomers

FAQ

What is the most recent role of Umer Khan?

Most recently, I was a Founding Engineer at Bloomers Berlin in 2025.

What were the main responsibilities at Bloomers Berlin?

My responsibilities included building AI-powered e-commerce systems, developing GDPR-compliant RAG pipelines, and creating automation workflows with LangChain.

What did Umer Khan do at Comparado (Idealo)?

As a Data Engineer, I standardized ETL pipelines, migrated BI to AWS, and ensured DSA/DMA compliance for the Idealo Group.

What was the role at CorAI?

I served as a Cloud Architect, where I designed a system capable of processing 1 million daily news articles, complete with NLP-based categorization and sentiment analysis.

What experience does Umer Khan have with Teradata?

I worked as a Data Engineer, developing data pipelines and ETL solutions for major telecom companies, including Telenor Pakistan.

What are the main topics covered in the articles?

The articles delve into a technical comparison of transformer and diffusion models, the transformative impact of GitHub Copilot on coding, and a detailed guide on the differences between Mojo and Golang.

Who are some of the clients Umer Khan has worked with?

Some notable clients include Idealo, Axel Springer, Bernstein Group, NewsCatcher, Telenor, and Bloomers.

Contact

I'm open to discussing AI engineering opportunities, consulting work, or any exciting projects you have in mind.

Email: hello@umerkhan.eu

Location: Berlin, Germany

Umer Khan Technology