Den Haag, Zuid-Holland, Netherlands

Backend Developer (Python, Java)

EUR 5,500 / monthHybridMidBackend engineering

JavaPythonFastAPILangChainLangGraphPostgreSQLGraphQLMongoDBGitHub Actions

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Backend Developer (Python, Java) is an open role at Lefebvre Sdu. It is a hybrid position in The Hague, The Netherlands. We classify it as a mid-level role in backend engineering. Technologies named in the posting: Java, Python, FastAPI, LangChain, LangGraph and PostgreSQL. Candidates need 3+ years of experience. There are 8 open positions from Lefebvre Sdu on this site, 3 of them in IT and engineering.

Posted today · Last checked 2026-11-12

About Lefebvre Sdu

Non-tech company with an IT team 8 open positions, 38% in IT and engineering. Most open roles: Data and machine learning (2), Marketing and communications (2), Sales (2).

All open jobs at Lefebvre Sdu →

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20 open backend engineering jobs in the Netherlands All open jobs at Lefebvre Sdu →

Workplace	Hybrid
Seniority	Mid
Role	Backend engineering
Countries	The Netherlands
Languages	JavaPython
Employment type	fulltime_fixed_term
Key facts	Stack: Java, Python, FastAPI, LangChain, LangGraph, PostgreSQL, GraphQL, MongoDB, GitHub Actions · Experience: 3+ years

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