freehire launches on Product Hunt on 26 August.

Follow →

7555 - Senior Software Engineer

Summary

Senior Software Engineer maintaining a Neo4j-based knowledge graph for drug discovery and gene biology data, integrating heterogeneous biomedical sources and ensuring data quality for AI use cases.

  • Work mode - fully remote.

  • Assignment type: B2B

  • Start - 01.09.2026.

  • Contract length > 10-12 months + extensions.

  • Language - English.

  • Industry - pharmaceutical.

  • Recruitment process - 2 interviews with the client.

  • Workload: Full time.

This role is for a Senior Software Engineer – Knowledge Graph, responsible for maintaining data quality, integration, and development of the knowledge graph platform, a vital asset that consolidates diverse drug discovery and gene biology data.

Responsibilities:

  • Own data quality: Define and enforce data validation, provenance tracking, and quality metrics across all data sources in the graph.

  • Integrate data sources: Collaborate with internal and external data providers to ingest, normalize, and harmonize heterogeneous biomedical datasets.

  • Maintain the knowledge graph: Manage the Neo4j schema, data modeling, and pipeline reliability.

  • Prepare data for AI/analytics: Ensure graph data supports AI and analytics use cases, including the Blindspot Analysis.

  • Collaborate cross-functionally: Work with research scientists, data scientists, and engineers to align scientific needs with reliable data solutions.

Must Haves:

  • Strong Python skills for data engineering and pipeline development.

  • Hands-on experience with Neo4j (Cypher, schema design, query optimization).

  • Proven experience integrating multiple heterogeneous biomedical data sources.

  • Deep understanding of data quality practices in production environments.

  • Experience resolving schema, identifier, and consistency issues directly with data providers.

  • Familiarity with biomedical standards and identifiers (UniProt, Ensembl, ChEMBL, etc.).

  • Strong communication skills with cross-functional scientific and technical teams.

Nice to Haves:

  • Experience in pharma, biotech, or academic drug discovery.

  • Advanced degree (MSc/PhD) in a relevant field.

  • Familiarity with graph ML, embeddings, or search/retrieval concepts.

See also

Tailor your CV for this role?

We couldn't check your fit for this role — add a CV to your profile to see it next time.

A new version of freehire is available