Full-time

Lead Full Stack Developer (70 .NET + 30 React)

Posted by Cavendish Professionals • Helsinki, Uusimaa, Finland

📍 Helsinki, Uusimaa 🕒 February 24, 2026

About the Role

Our client works on very challenging and exciting projects and is looking for a Lead Full Stack Developer (70% .NET + 30% React)
Technologies:
.NET Core, C#
React
ASP.NET MVC Core
WebAPI
HTML, CSS, JavaScript
Microservices
Docker, Kubernetes
Entity Framework Core, Unit of work, Repository pattern
MS SQL, NoSql, Redis
MediatR
Azure - AppService, Service Bus, Functions, SQL Database
Visual Studio, Visual Studio Code
, Npm (as a user)
Dependency Injection - .NET Core
xUnit - unit testing, integration testing
Authentication - OAuth, JWT
Profiling tools, Static code analysis tools
Postman, Fiddler, Web Developer tools
Other Skills/ Abilities / Would Be Nice:
Azure DevOps
GitHub
CI/CD
Azure Cloud
Security - OWASP - SQLi, XSS, CSRF
Aspose
Design Patterns, overlap to Architecture
PowerBI, SSRS
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