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Data Engineer (m/w/x)

Confidential · Remote / Köln, Germany · Remote · Senior

  • Remote / Köln, Germany · Remote
  • 2 Monate

Indexed (20 Jul 2026) · refreshed constantly

Start
flexible
Duration
2 Monate
Work mode
Remote
Contract
Freelance / B2B
Seniority
Senior
Reference
222

Job description

Project overview

Dear Software Engineers / Data Engineers,

For our client, we are looking for an experienced Software Engineer / AI & Data Platform Engineer (m/f/x) to support the development of modern software applications, AI solutions and scalable data platforms for cutting-edge battery research.

This is not a pure Data Engineering role. We are looking for a strong software developer with solid Data Engineering experience, excellent Python skills and a genuine passion for AI, cloud-native development and modern software engineering.

Your Profile & Responsibilities

Nice-to-haves

  • ›› Several years of experience as a Software Engineer, building production-ready applications in Python with clean architecture, APIs, microservices, testing and CI/CD (ideally GitLab)
  • ›› Strong hands-on experience with Databricks, PySpark and SQL, building and maintaining scalable batch and streaming data pipelines using the Medallion Architecture (Bronze / Silver / Gold)
  • ›› Solid experience with the Azure Data Stack (Azure Data Factory, ADLS Gen2, Event Hubs). Comparable experience with AWS-based data platforms is also welcome.
  • ›› Practical experience developing AI-powered solutions using LLMs, RAG, AI Agents or MCP, combined with a good understanding of classical Machine Learning concepts
  • ›› Experience building reliable, secure and observable cloud-native applications and data platforms using modern software engineering and DevOps practices
  • ›› A proactive, self-driven mindset with excellent problem-solving skills and the ability to work independently in an international environment
  • ›› Experience with FastAPI, Uvicorn and Databricks Apps / Asset Bundles
  • ›› Experience with MQTT, Azure Event Hubs or other event-driven architectures
  • ›› Experience in scientific, industrial or manufacturing environments, ideally within R&D

Project details

If you are interested, feel free to apply through our project portal.

You are also welcome to connect with me on LinkedIn:

https://www.linkedin.com/in/marcel-wloemer-connectly/

Best regards,

Marcel Wlömer

  • ›› Start: ASAP
  • ›› Duration: Initial 2 months (extension very likely)
  • ›› Location: 100% remote after an initial 1-week onboarding onsite in Greater Frankfurt
  • ›› Workload: Full-time
  • ›› Language: English (+ German preferred)
  • Start: flexible
  • Duration: 2 Monate
  • Remote: remote
  • Location: Remote / Köln, DE

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