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# Data Engineer

- **Company:** Exsolvæ
- **Location:** Antwerp Metropolitan Area, Belgium
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Elasticsearch, Node.Js, Data Streaming, TypeScript, Apache Spark, Backend, Real Time Data, Apache Kafka, Databricks
- **Published:** September 24, 2026
- **Apply:** https://www.adzuna.be/details/5895526311

## About the Role

* Hands-on ervaring met Elasticsearch: indexeringsstrategie, queryperformantie, clustersizing en tuning
 * Sterke Databricks- en Apache Spark-skills, inclusief workloads in productie
 * Ervaring met streamingtechnologieën zoals Kafka of Azure Event Hubs
 * Je leest en werkt vlot in een TypeScript / JavaScript / Node.js-backend
 * Je denkt in monitoring, alerting en faalscenario's, niet enkel in pipelines
 * Je beschouwt het platform als het jouwe, niet als een lijst met tickets
 * Nederlands + Engels zijn een must

## Description

* Ownership opnemen over de Elasticsearch-omgeving
 * De real-time datapipeline achter de applicatie beheren en datakwaliteit, latency en volledigheid bewaken
 * Het platform proactief monitoren en performantieproblemen en incidenten onderzoeken vóór ze gebruikers treffen
 * Betrouwbare wijzigingen ontwerpen en implementeren, met passende testing, monitoring en rollbackstrategieën
 * De real-time data-architectuur en API's verder ontwikkelen, inclusief de integratie tussen Elasticsearch, Databricks en de applicatie
 * Data workloads bouwen en productionaliseren in Databricks en Apache Spark, met streamingtechnologieën zoals Kafka of Azure Event Hubs
 * Waar nodig werken in de bestaande TypeScript / JavaScript / Node.js-backend om problemen op te lossen en oplossingen end to end op te leveren
 * Observability, schaalbaarheid en onderhoudbaarheid verbeteren en tegelijk de operationele complexiteit van het platform verlagen


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