Senior .NET React Engineer

About the role

We are looking for a Senior .NET React Engineer to join a Fortune 50 client’s modernization effort for a fleet management platform. The role is remote‑first with a required overlap of US working hours (2‑6 PM CET) and occasional travel within Europe for workshops.

Key responsibilities

• Develop and maintain backend services using .NET Core, C#, ASP.NET Core and Entity Framework Core.
• Build and enhance frontend applications with React, TypeScript and a micro‑frontend architecture.
• Modernize a large enterprise platform by decomposing it into microservices and applying CQRS and dependency injection patterns.
• Containerize applications with Docker and orchestrate deployments on Kubernetes.
• Work with databases such as MS SQL, NoSQL, Redis and CosmosDB.
• Integrate authentication using OAuth2 and JWT.
• Collaborate with DevOps to implement CI/CD pipelines and Azure services (App Service, Functions, Service Bus, SQL Database).
• Apply security best practices following OWASP guidelines.

Required profile

• Consulting mindset with strong analytical and problem‑solving abilities.
• Proven experience using AI‑assisted development tools (e.g., GitHub Copilot, Cursor, Claude).
• Excellent communication skills for cross‑functional teamwork.
• Ability to work under pressure and meet delivery timelines.
• Willingness to travel freely within Europe.

Required skills

• .NET Core, C#, ASP.NET Core, Entity Framework Core
• React, TypeScript, Microfrontends
• Microservices, CQRS, Dependency Injection
• CosmosDB, MS SQL, NoSQL, Redis
• Azure App Service, Azure Functions, Azure Service Bus, Azure SQL Database
• Docker, Kubernetes
• GitHub, CI/CD
• xUnit, NUnit, Postman, Fiddler
• OAuth2, JWT

What we offer

• Long‑term contract with full‑time engagement.
• Remote‑first work environment (99% remote).
• Opportunity to work on cutting‑edge cloud and AI‑assisted development technologies.