DÉVELOPPEUR C#/.NET BACKEND H/F

NSI • Cybersecurity • Information Security • SQL • C# • 1 month ago
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Salary
≈ $50k – $85k per year (Estimated)
Location
Hybrid (Paris, France)
Seniority
Senior · 5+ years exp
Employment
Freelance

First seen by Alion on Sep 14, 2026.

Overview
Company
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Profile match

NSI

NSI is a French IT consulting group that builds coherent and efficient technology ecosystems for its clients. It supplies developers, data analysts, data scientists and project managers for projects in finance, insurance and market finance. The company is headquartered in Paris, France.
groupensi.com • HQ: Paris, France • IT Staffing & Staff Augmentation • IT Consulting & Digital Transformation
Tech stack of NSI

DÉVELOPPEUR C#/.NET BACKEND H/F

Localisation : Île-de-France
Expérience : 2 à 5 ans
Environnement : Finance de marché – Agile / DevOps

Contexte
Dans le cadre d’un programme de transformation, vous intervenez sur une plateforme de traitement de gros volumes de données de transactions financières, reposant sur une architecture moderne en microservices et des flux temps réel.

Missions

  • Développer de nouvelles fonctionnalités en C# / .NET

  • Concevoir et maintenir des API REST et services backend

  • Participer à l’évolution de l’architecture microservices

  • Intégrer des flux temps réel avec Kafka

  • Réaliser les tests automatisés et les code reviews

  • Contribuer à l’amélioration des performances et de la résilience

  • Participer aux déploiements et à l’automatisation des environnements

  • Collaborer avec les équipes techniques et métiers

Compétences indispensables
C# | .NET / .NET Core | Microservices | Kafka | OpenShift | REST API | Git

Compétences appréciées
Docker | Kubernetes | CI/CD | SQL | Monitoring / Observabilité

Profil recherché
Développeur .NET Backend autonome, rigoureux et à l’aise dans un environnement Agile / DevOps.

Profil recherché

Développeur C#/.NET Backend avec 2 à 5 ans d’expérience, maîtrisant C#, .NET/.NET Core, les architectures microservices, Kafka, OpenShift et les API REST. Autonome, rigoureux et à l’aise dans un environnement Agile / DevOps.

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