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About the Role
JUNI is building the leading startup ecosystem for science-based spin-offs in Berlin and Brandenburg. We are building JUNI Core, a central data platform that brings together data from various sources and feeds the tools our teams work with. We are looking for a Data & AI Engineer who will own this data layer long-term, including the pipelines, data model, and AI methods.
Responsibilities
- Taking ownership of JUNI Core: the integration of all source systems, the data model and its operation
- Building and running pipelines between our tools and the platform, in both directions
- Keeping data reliable: ensuring one clear source for every field, syncs that don't create duplicates, and alerts when something breaks
- Adding new sources as they come and deciding how each fits the model
- Working with the Product & Tech team to define data needs, sources, and use cases for ecosystem tools
- Building the data foundations for new tools in our ecosystem work
- Bringing in external data such as publications, patents or company data via APIs and scraping, and linking it to existing data
- Ensuring users can see the origin of a result
- Using LLMs and embeddings for matching, classification and enrichment, with built-in evaluation
- Defining output quality per use case: acceptable error rates, reference cases, and handling of incorrect results
- Working with the Technical Product Manager and topic owners on automation opportunities
- Integrating documentation and tests as part of the work
Requirements
- 4+ years as Data Engineer or Data Scientist, with pipelines and automations built and run in production
- Strong in SQL and Postgres
- Comfortable in Python for data work: pandas, notebooks, evaluation scripts
- Experience integrating SaaS tools via APIs and webhooks, including bidirectional sync
- Practical experience with LLMs in data pipelines: embeddings, structured extraction, evaluation
- Experience with matching, classification or ranking methods, and their measurement
- Verifying API functionality beyond documentation
- Designing with GDPR in mind: consent, retention, access
- Daily use of AI coding tools like Claude Code, with critical review of output
- Fluent English; German is a plus
Skills
- SQL
- Postgres
- Python
- pandas
- Jupyter Notebooks
- API Integration
- Webhooks
- LLMs
- Embeddings
- Matching
- Classification
- Ranking
- GDPR
- Record Linkage
- Entity Resolution
Location
- Berlin
- Brandenburg
Work Type
- Hybrid working
Experience Level
- 4+ years
Benefits
- Role with real ownership
- Work that matters for science-based founders, researchers and partners
- Motivated team with a hands-on spirit and flat hierarchies
- Flexible working hours
- Modern working environment in the heart of Berlin
- Compensation that reflects experience and responsibility
About the Company
- JUNI serves as the central hub for innovation and entrepreneurship in Berlin-Brandenburg.
- We bring together students, researchers, founders, universities, corporates, policymakers, and investors to create a dynamic and collaborative ecosystem.
- Our mission is to make the startup journey as straightforward as possible, enabling founders to focus on what they do best: building impactful companies.