Senior C#/.NET Engineer - Distributed Systems Architecture

Vuejobs; Greater London; Hybrid; GBP 85,000 - 110,000; Full time

Job summary

LineTen is hiring a Senior Software Engineer. You’ll join a small, high-trust team where ownership is expected and outcomes matter. You’ll work across backend services, distributed systems and frontend integrations, with a strong focus on correctness, maintainability, and architectural clarity.

You’ll apply AI-assisted tooling responsibly to ensure robust design. You’ll collaborate across backend and frontend boundaries, delivering scalable, data-driven solutions while maintaining a high

Qualifications

• Proficient with C# / .NET 8+ and async/await patterns.
• Experience building distributed systems with event-driven designs.
• Strong API design skills: REST, versioning, webhooks.
• Real-time frontend integration with SignalR or WebSockets; Vue/Nuxt or similar.
• TypeScript experience for frontend integrations.
• Ability to work in a low-process environment with ownership.

Responsibilities

• Develop backend services and frontend integrations with a focus on correctness and maintainability.
• Design robust, long-term solutions and own components end-to-end.
• Collaborate across services to optimize distributed architectures.
• Contribute to architectural decisions and maintain clear documentation.

Skills

C# / .NET 8+

Entity Framework Core

Async/await

MediatR / CQRS

Distributed systems

Redis caching

Azure Blob Storage

API design

SignalR / WebSockets

Vue/Nuxt integration

TypeScript

Tools

MediatR / CQRS

RESTful APIs

Job description

LineTen is hiring a Senior Software Engineer. You’ll join a small, high-trust team where ownership is expected and outcomes matter. You’ll work across backend services, distributed systems and frontend integrations, with a strong focus on correctness, maintainability, and architectural clarity.

You’ll apply AI-assisted tooling responsibly to ensure robust design. You’ll collaborate across backend and frontend boundaries, delivering scalable, data-driven solutions while maintaining a high