Développeur C# / .Net H/F

Open • French: C1 • C# • 19 days ago
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Salary
≈ $43k – $77k per year (Estimated)
Location
Hybrid (Levallois-Perret, France)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Sep 28, 2026.

Overview
Company
Impact
Profile match

Open

Open is a French digital services and IT consulting company headquartered in Levallois-Perret near Paris, delivering software development, data, DevOps, infrastructure and digital transformation projects for corporate and public sector clients. It works with clients in retail, banking, insurance and mutual health, social protection, telecoms, energy and public services from offices in Nantes, Lille, Lyon, Rennes, Strasbourg, Tours, Toulouse, Metz, Aix-en-Provence and Luxembourg. It hires Java, .NET, Flutter and mainframe developers, senior DevOps engineers, data analysts, MDM specialists and technical and IT project managers.
open.global • HQ: Levallois-Perret, France • Custom Software Development • IT Consulting & Digital Transformation • 1001-5000 employees
Tech stack of Open
Backed by Montefiore

Rejoignez Open, une entreprise leader dans le secteur de la technologie. En tant que Développeur C# / .Net, vous travaillerez sur des projets d'envergure dans le secteur de la banque, de la finance et de l'assurance. Vous serez intégré à une équipe dynamique et bénéficierez d'un management de proximité, de valeurs d'entreprise fortes et d'opportunités d'évolution de carrière.

Missions

  • Assurer l'interface entre les utilisateurs et les équipes de développement, pricer les produits et être force de proposition sur de nouvelles techniques de trading.
  • Développer des outils d’aide à la décision pour le Front Office (traders, sales et structureurs), appliquer les standards (Clean code, Craftmanship, TDD, BDD).
  • Participer aux points de suivi de projet selon la méthodologie Agile Scrum, spécifications, tests, code review des développements de l'entité.
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