Our client is looking for an experienced .NET developer to modernize an existing analytical platform. The current backend is built on ASP.NET Boilerplate, which is being phased out and replaced with standard .NET components. The frontend is based on Vue.js.Key technical requirements

• Strong C# and modern .NET expertise
• Solid ASP.NET and EF Core experience (migrations, transactions, performance)
• Good understanding of async/parallel programming, LINQ, and data structures
• Microsoft SQL Server: writing performant SQL and resolving database issues
• Experience working with large legacy codebases and strong debugging skills
• Familiarity with CI/CD pipelines (e.g. Azure DevOps)
• Basic algorithmic and performance awareness (runtime and memory)

Nice to have

• Experience with ASP.NET Boilerplate / ABP and migrations away from it
• Basic Vue.js and TypeScript understanding, especially for API integration

Practical details

• The role requires regular on-site work in Vantaa (target: at least 4 days per week)
• Working language is English
• Start date: April
• Work equipment is provided