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About the Role

Trusted Shops is building Europe's Community of Trust, a space for confident, transparent, and secure connections between businesses and consumers. The Data Services team is evolving to deliver standardized data products from a shared Data Lakehouse, serving as the foundation for self-service reporting, APIs, and AI access. This Principal Analytics Engineer role is a hands-on technical leadership position focused on defining the lakehouse architecture and standards, shipping genuine data products, and elevating the skills of the team.

Responsibilities

Define and evolve the lakehouse architecture (S3 + Apache Iceberg + Athena + dbt), including table and layer design, partitioning, schema evolution, multi-team isolation, and catalog management.
Establish standards for data products, including modeling conventions, semantic layer, data-product definitions, testing, data quality, CI/CD, documentation, and metadata.
Build data products within the Product domain to set a pattern for others.
Design metadata and semantic layers for AI agent querying and pioneer AI use cases in the build workflow.
Track the lakehouse, analytics-engineering, and AI landscape, evaluating and driving adoption of new approaches.
Mentor analysts and engineers, improve review quality, provide technical clarity, and challenge the status quo.

Requirements

Deep, hands-on lakehouse experience, including designing and building architectures.
Proficiency with open table formats (Apache Iceberg or equivalent), object storage (S3), serverless query engines (Athena or equivalent), and dbt.
Excellent analytics-engineering craft, including data-product and dimensional modeling, testing, CI/CD, and strong instincts for query performance and cost.
Demonstrated technical leadership beyond a single team, with experience setting standards or architecture adopted by other teams.
Ability to influence without formal authority.
A product mindset, treating data as a product with consumers and SLAs, including non-human consumers.
Concrete, hands-on AI experience and curiosity for responsible experimentation.
Comfort with autonomy and ambiguity, including setting direction and making decisions.

Skills

Lakehouse architecture
Apache Iceberg
S3
Athena
dbt
Data modeling
Dimensional modeling
Data product development
Testing
CI/CD
Query performance optimization
Cost optimization
Technical leadership
Mentoring
AI
Metadata management
Semantic layer design

Location

Cologne (hybrid)
Berlin (remote)

Work Type

Permanent Contract
Full-time
Hybrid
Remote

Experience Level

Principal

Benefits

Direct support from Engineering Manager for personal development
Monthly health activities
Extra vacation day for achieving health goals
Self Education Day (last Friday of the month)
Flexible working options
Work-life balance focus
Hybrid work options
Workation within the EU, Iceland, Liechtenstein or Norway
28 vacation days
2.5 additional days off (Christmas, New Year's Eve, Carnival)
Buddy programme
Individual training opportunities
Team Events
Unit Events
Health Pass (free online and offline sports, fitness and health courses)

About the Company

Trusted Shops is shaping Europe’s Community of Trust, a space where Businesses and Consumers connect with confidence, transparency, and security.
Millions of Users and thousands of Companies across Europe trust Trusted Shops for safe, reliable, and seamless digital experiences.

Equal Opportunity

At Trusted Shops, we are interested in you as a person - whether you fit in with us is independent of gender, nationality, ethnic and social origin, religion/belief, disability, age, sexual orientation and identity.
Trusted Shops is clearly committed to diversity and against discrimination.