Senior Software Engineer

Looking for a Senior Software Engineer for a freelance position in Amsterdam! The position is to build production-ready URN libraries in Java and Python, and contribute to the resolver service that maps identifiers across a large-scale data platform.

Technical environment: Strong skills in Java and working experience with Python; Experience with schemas, catalogs, metadata, resource naming, or identity systems; Distributed systems and service-oriented architecture.

Nice: Kafka or event-streaming experience; OpenLineage, data lineage, metadata, knowledge graph, or data catalog experience; Experience publishing and maintaining multi-language packages.

Practical: Location Amsterdam; Expect some office attendance; Initial contract 6 months, extension likely; ASAP start date, latest November 1st; ZZP / Freelance ONLY; Candidate must be based in NL.

Consultant: Frederik Weulen Kranenberg. Helaas komt vacaturefraude steeds vaker voor. We waarschuwen je voor mogelijke misleiding: Wij zullen nooit via WhatsApp of in een videogesprek vragen om jouw persoonlijke gegevens (zoals een kopie van je ID, bankgegevens of BSN). Twijfel je over de echtheid van een vacature of contactpersoon? Neem dan altijd rechtstreeks contact met ons op via de officiële contactgegevens op onze website.

Important: job fraud. Unfortunately, job fraud is becoming more common.

Beware of such scams: We will never ask for personal information (such as a copy of your ID, bank details, or social security number) via WhatsApp or during a video call. If you're unsure whether a vacancy or contact person is legitimate, please reach out to us directly using the official contact details on our website.