Senior .NET Software Engineer

About the role

Inetum is seeking a Senior .NET Software Engineer to join its platform team. You will work on modernising legacy applications, migrating from .NET Framework to .NET Core, and improving the performance of APIs and data stores.

Key responsibilities

• Design, develop, test and deploy new features and enhancements using C# on .NET Core and .NET Framework.
• Lead the migration of existing services from .NET Framework to .NET Core.
• Analyse and optimise SQL queries and distributed‑cache usage to reduce response times.
• Create and consume NuGet packages, manage dependencies and ensure version stability.
• Implement observability with OpenTelemetry, OpenSearch and Prometheus.
• Participate in code reviews, automated testing and secure coding practices.
• Provide third‑line support for production incidents when required.

Required profile

• Strong analytical mindset with the ability to solve complex performance problems.
• Excellent communication skills and experience working in distributed, Agile teams.
• Proactive attitude towards improving software design and architecture.

Required skills

• C#
• .NET Core
• .NET Framework
• SQL
• Microsoft SQL Server
• Oracle Coherence
• Distributed cache
• Low‑latency messaging
• NuGet
• OpenTelemetry
• OpenSearch
• Prometheus
• Jira
• Bitbucket
• Ansible Tower
• Jenkins
• TeamCity