Our client, a Fortune 50 company, is seeking Senior FS Engineers with the main skills .NET Core and React/TypeScript to work onthe modernization of the fleet management platform. The client wants engineers with experience using AI-assisted development tools in practice.

The ideal candidate will have a consulting approach and engineering mindset. You will be responsible for developing and optimizing backend and frontend in a microservices-based architecture. You will work closely with cross-functional teams to ensure high-quality software delivery.

This is a long-term remote-first contract position with a required overlap of US working hours (2-6 PM CET) .

As An FS Developer, You Will

- Develop and maintain backend services using .NET, C# and React .
- Implement microfrontend architecture , ensuring scalability and reliability.
- Modernize and modularly decompose a large enterprise platform.
- Utilize containerization technologies like Docker and Kubernetes for deployment and orchestration.
- Work with databases including MS SQL, NoSQL, and Redis for efficient data storage and retrieval.
- Integrate authentication mechanisms using OAuth2 and JWT .
- Collaborate with DevOps teams to implement CI/CD pipelines and ensure smooth deployments.
- Apply security best practices , following OWASP guidelines to prevent vulnerabilities like SQL Injection (SQLi), Cross-Site Scripting (XSS), and Cross-Site Request Forgery (CSRF).
- Utilize Azure services, such as AppService, Service Bus, Functions, and SQL Database , for cloud-based hosting and scaling.

Work Conditions

- Type: Full-time & Long-term contract work
- Start Date: ASAP
- Location: Remote (99%)



in Europe; must be able to travel freely within Europe for workshops.
- US Time Zone Overlap : Required ( 2 PM - 6 PM CET )
- Contract with European LLC

Job Requirements

Core Technical Skills

- Backend: .NET (Core), C#, ASP.NET Core, Entity Framework Core
- Frontend: React/Typescript, Microfrontends
- Architecture : Microservices, CQRS, Dependency Injection
- Databases: CosmosDB
- Cloud & DevOps: Azure (AppService, Functions, Service Bus, SQL Database), Docker, Kubernetes, GitHub, CI/CD
- Testing & Debugging: xUnit/NUnit, Profiling tools, Static code analysis, Postman, Fiddler

AI Engineering Assistants Fluency The candidate must demonstrate practical experience using AI-assisted engineering tools, such as:

- Cursor
- Claude Code
- GitHub Copilot or equivalent tools

Soft Skills

- Strong analytical and problem-solving skills , with the ability to diagnose and resolve complex issues under pressure.
- Excellent communication skills , capable of explaining technical concepts to both technical and non-technical stakeholders.
- Ownership mindset – the ability to work independently and as part of a team while taking full responsibility for assigned tasks.
- Proactive attitude – the ability to escalate issues early, follow up on blockers, and support teammates when needed.
- Constructive feedback approach – ability to receive and provide feedback in a way that improves overall team performance.

Preferred Experience

- Azure DevOps for continuous integration and deployment.
- AI Development experience
- Security best practices (OWASP, authentication standards).
- Design patterns and software architecture knowledge .

📌 Senior .NET/React Engineer (Italia)
🏢 Jimmy Technologies
📍 Italia