Senior Backend Developer (Python, Java)

Lefebvre Sdu is seeking a Senior Backend Developer to join its Knowledge Team, building and improving the pipeline that turns legal content into knowledge for AI agents. The role focuses on reranking quality, retrieval, and knowledge extraction, working primarily in Python with Java for the existing codebase. The position is hybrid, based in The Hague, Netherlands.

HybridFull-timeSeniorPythonJava

Senior Backend Developer (Python, Java)

Lefebvre Sdu is seeking a Senior Backend Developer to join its Knowledge Team, building and improving the pipeline that turns legal content into knowledge for AI agents. The role focuses on reranking quality, retrieval, and knowledge extraction, working primarily in Python with Java for the existing codebase. The position is hybrid, based in The Hague, Netherlands.

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HybridFull-timeSeniorPython

Salary

Not specified

Work Location

The Randstad, Netherlands, NL

Work Model

Hybrid: two days a week in the office in The Hague, rest remote

Employment Type

Full-time

Experience Level

Senior

Core Qualifications

Technical (Must-have)

PythonJavaElasticsearch

Soft Skills

AutonomyCommunicationProblem-solvingTechnical decision-makingInfluence

Preferred Qualifications

Technical (Nice-to-have)

ScalaKotlin

Key Responsibilities

•Build and improve the pipeline that turns content into knowledge for AI agents
•Work on reranking quality to ensure the agent gets the right information
•Help shape the approach to retrieval and knowledge extraction
•Work in Python for new development and Java for existing codebase
•Make technical decisions independently
•Act as point of contact for application administrators and customer support

Backend DeveloperLegal TechAIPythonJavaElasticsearchHybridThe HagueSenior