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Urgent! Développeur Senior Java / Kafka Job Opening In Paris – Now Hiring ALTER SOLUTIONS

Développeur Senior Java / Kafka



Job description

Description de l'entreprise

Act digital est une société de conseil et d’expertise en technologies créée en 2011.

Notre vocation est d’accompagner nos clients sur leurs enjeux de transformation numérique.

Notre offre s’articule autour des expertises suivantes :

  • Software Delivery
  • Infrastructure & Cloud Computing
  • Agile IT Performance
  • Business Performance
  • Nous sommes un groupe international implanté dans plus d’une dizaine de pays et comptant 5700 collaborateurs.

    Notre succès passant par le développement et l’épanouissement de chaque collaborateur, nous attachons beaucoup d’importance à offrir les meilleures conditions de travail possibles :

  • Télétravail disponible sur une grande partie de nos missions
  • Un environnement de travail en Flex Office disponible pour tous et tout le temps pour favoriser la communication et la collaboration
  • Des communautés d’experts pour partager et diffuser les compétences au sein du groupe
  • Un encadrement projet et un suivi RH de proximité
  • Des formations et certifications proposées annuellement
  • Une valorisation des parcours d’expertise de nos consultants
  • Une ouverture forte sur la mobilité internationale ponctuelle ou de longue durée
  • Des possibilités d’intrapreneuriat
  • Description du poste

    Missions principales

  • Concevoir, développer et maintenir des applications backend en Java (Spring Boot).

  • Définir, implémenter et optimiser des flux d’événements sur Apache Kafka (topics, partitions, performance, sécurité).

  • Participer aux choix d’architecture logicielle et à l’industrialisation des solutions temps réel.

  • Assurer la qualité du code (tests unitaires, intégration continue, revues de code).

  • Contribuer à la mise en production et au suivi des applications (CI/CD, monitoring, support).

  • Collaborer étroitement avec les équipes Produit, Data et Infrastructure.

  • Être force de proposition sur l’évolution des bonnes pratiques techniques et méthodologiques

  • Qualifications

    Compétences techniques recherchées

  • Langages : Java 11+ (Spring / Spring Boot), Kotlin apprécié.

  • Messaging & Streaming : Kafka (topics, consumers/producers, optimisation des performances, monitoring).

  • Bases de données : SQL (PostgreSQL, Oracle), NoSQL (MongoDB, Cassandra).

  • CI/CD & outillage : Git, Maven/Gradle, Jenkins, GitLab CI.

  • Cloud & Conteneurisation : Docker, Kubernetes, connaissance AWS ou GCP appréciée.

  • Tests & qualité : JUnit, Mockito, SonarQube.

  • Architecture : microservices, API REST, event-driven architecture.

  • Profil recherché

  • Bac+5 en informatique ou équivalent.

  • Expérience confirmée (minimum 7 ans) en développement Java backend.

  • Expertise sur Kafka et les architectures orientées événements.

  • Sens du travail en équipe, rigueur et curiosité technologique.

  • Connaissance du secteur bancaire/financier est un plus.

  • Informations supplémentaires


    Required Skill Profession

    Computer Occupations



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