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Application Interface Specialist - Freelance

Application Interface Specialist - Freelance

On site

Zaventem, Belgium

Full Time

19-01-2026

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Skills

Java JavaScript SQL

Job Specifications

Budget: 610

About The Role

We are looking for a skilled Application Interface Specialist to join our team for a 3 month full-time assignment. The ideal candidate will be responsible for designing, developing, and maintaining application interfaces, ensuring smooth integration across systems.

Requirements

Strong experience in JavaScript, RESTful APIs, and SQL.
Solid experience with Middleware, ETL, and Java.
Professional-level English; knowledge of Dutch or French is a plus.
Ability to work independently and deliver results within a short timeframe.

About the Company

Une plateforme, deux volets : 1) un volet recruteur, la MegaSearch, pour sourcer, contacter et recruter sans commission les 500,000 freelances de Collective (vive l'IA !). => Par ici pour avoir une démo de l'interface Recruteur : https://calendly.com/juliette-collective-work/demo-collective-work-clone 2) un volet freelance pour se rendre visible et joinable des recruteurs, développer son réseau, et se professionnaliser via des outils de gestion. Faites comme 2,500 ESN, entreprises, cabinets et agences (Theodo, Artefact, Cher... Know more