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Senior Backend Developer (Secteur Financier)

Freelanceonsite6 months + extension5+ yrs📍 Luxembourg, Luxembourg, 🇱🇺 Luxembourg🗣 English

Senior backend developer for a financial institution's cash management team.

Build and maintain backend systems within a payments/fintech environment, focusing on event-driven architectures and data integration. You'll work with Golang, Java, Kafka, and MongoDB while incorporating AI tooling into development and testing workflows. This is a temporary placement requiring deep experience in banking or financial services, particularly cash management systems, and a proven ability to work at senior technical levels.

Tech stack
GolangJavaKafkaMongoDBSQL
Rate
Not stated by the agency
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Found at a specialist agency · listed 28 August 2026 · InsideJobs links you to the original posting.