# Data Architect / Knowledge Engineer – Euro-BioImaging (AI4Access) at EMBL

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Design and implement an ontology-aligned

- **Company:** EMBL (https://jobs.trythestack.co/companies/embl)
- **Location:** Heidelberg, Germany
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 2–5 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Data architecture, Knowledge engineering, Python, Database design, API development, Ontology development, Knowledge graphs, ETL workflows, Metadata management, CI/CD, Postgres, Graph databases, Semantic web, Data modeling, Version control
- **Posted by employer:** 2026-04-09
- **Added to The Stack:** 2026-04-09
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://embl.wd103.myworkdayjobs.com/EMBL/job/Heidelberg/Data-Architect---Knowledge-Engineer---Euro-BioImaging--AI4Access-_JR3604-1 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/data-architect-knowledge-engineer-euro-bioimaging-ai4access-embl

## About the role

Responsibilities:
- Design and implement an ontology-aligned data model and its technical representation (database schema, versioning, documentation).
- Develop automated ETL pipelines to ingest, validate and transform diverse service and metadata sources into the knowledge base.
- Collaborate with domain experts and Euro-BioImaging Nodes to translate service descriptions into controlled vocabularies/ontologies.
- Integrate semantic metadata (identifiers/PIDs, provenance, controlled vocabularies) and enforce validation/QA rules.
- Build and maintain APIs and query layers optimized for LLM/Research Navigator use (reliable, transparent, and performant).
- Support testing, integration, release planning, and documentation; maintain CI/CD and deployment assets.

Requirements:
- MSc/PhD or equivalent experience in data science, computer science, bioinformatics, information systems or related field.
- Strong Python skills and proven experience with structured databases (Postgres) and graph/knowledge stores.
- Familiarity with ontology/semantic-web standards and tools (RDF, SPARQL, SHACL) and knowledge-graph modelling.
- Experience building ETL workflows, validation pipelines and API layers for heterogeneous scientific data sources.
- Good software engineering practices: version control, CI/CD, documentation, containerization (Docker/Kubernetes) preferred.
- Collaborative attitude, strong communication skills and experience working with research communities and domain experts.

## Responsibilities

Design and maintain the database and data ingestion pipeline for an ontology-driven knowledge base. Develop technical interfaces between the knowledge base and the AI-powered Research Navigator.

## Requirements

Requires an MSc or PhD in a relevant field such as data science, bioinformatics, or computer science. Candidates must have advanced Python skills and experience with structured databases, metadata, and data pipelines.

## FAQ

- **Is this Data Architect / Knowledge Engineer – Euro-BioImaging (AI4Access) role still open?** It was posted on 2026-04-09. Listings more than 30 days old may no longer be active, so check EMBL's site before applying.
- **Does EMBL offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on EMBL's site.
- **Where is this role located?** The listing gives the location as Heidelberg, Germany. It is marked on-site.
- **What skills does this role ask for?** The listing names: Data architecture, Knowledge engineering, Python, Database design, API development, Ontology development, Knowledge graphs, ETL workflows, Metadata management, CI/CD, Postgres, Graph databases, Semantic web, Data modeling, Version control.

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## Notes for agents

- Apply on the employer's page (https://embl.wd103.myworkdayjobs.com/EMBL/job/Heidelberg/Data-Architect---Knowledge-Engineer---Euro-BioImaging--AI4Access-_JR3604-1). The Stack does not take applications.
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- Cite this job as: "Data Architect / Knowledge Engineer – Euro-BioImaging (AI4Access) at EMBL, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/data-architect-knowledge-engineer-euro-bioimaging-ai4access-embl)".
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