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Senior Data Engineer

Circonomit revolutionizes how organizations manage resources by building strategic twins to eliminate adverse outcomes from hidden interdependencies.
Cologne, Germany
Data
Senior Software Engineer
In-Person
1 - 10 Employees
5+ years of experience
Enterprise SaaS

Job Description

Circonomit is an innovative company focused on revolutionizing resource management for organizations through the creation of strategic twins. They're building cutting-edge solutions to eliminate adverse outcomes resulting from hidden interdependencies, enabling more efficient and sustainable operations.

As a Senior Data Engineer at Circonomit, you'll play a crucial role in owning the data logic, processing pipeline, and ontology with its knowledge graph. The position requires expertise in distributed data systems, with a focus on building scalable solutions that can handle complex data relationships and computations.

The role combines technical excellence with strategic thinking, as you'll work directly with customers and founders to identify high-impact product opportunities. You'll be responsible for developing and maintaining sophisticated data models, implementing processing pipelines, and ensuring data quality across systems.

The ideal candidate brings 5+ years of experience in data engineering, strong programming skills (particularly in Python and SQL), and expertise in graph databases and ontology modeling. Knowledge of cloud platforms and data warehousing concepts is essential. The position requires both English and German language proficiency at C1 level or higher.

What makes this opportunity unique is Circonomit's commitment to building scalable, maintainable software that pushes the boundaries between language models and mathematics. The company offers both competitive compensation and equity, emphasizing ownership and decision-making authority. They maintain a fast-paced, technically sophisticated environment while valuing quality and engineering excellence. For those passionate about using data to drive strategic decision-making and interested in working at the intersection of advanced technology and business transformation, this role presents an exciting opportunity to make a significant impact.

Last updated 4 days ago

Responsibilities For Senior Data Engineer

  • Solve complex data flow and dependency problems for transparent, versioned, and auditable computations
  • Develop and maintain metadata and lineage models for semantic graphs and numerical pipelines
  • Model graphs and ontologies to capture complex relationships
  • Implement scalable processing pipelines for time-, resource-, and cost-based data
  • Ensure data integrity, quality, and accessibility across systems
  • Work with customers and founders to identify product opportunities
  • Stay current with industry trends in data engineering and language models

Requirements For Senior Data Engineer

Python
PostgreSQL
  • 5+ years of experience building distributed data systems
  • Bachelor's degree in Computer Science, Engineering, or related field (Master's preferred)
  • Proven experience as a Data Engineer with strong portfolio
  • Proficiency in Python
  • Expertise in SQL and database technologies
  • Strong understanding of data warehousing concepts
  • Experience with graph databases and ontology modeling
  • Experience with cloud platforms (AWS, GCP, Azure)
  • Excellent analytical skills and problem-solving mindset
  • English language proficiency at C1 level or higher
  • German language proficiency at C1 level or higher
  • Must live in or relocate to Cologne, Germany

Benefits For Senior Data Engineer

Equity
  • Competitive salary
  • Equity package
  • Decision-making authority
  • Sports benefits

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