Senior Software Engineer (C# / .Net)
LineTen
full-remoteseniorpermanentbackendfrontend Full remote - London, GB 70 days ago via WTTJ
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C#.NET 8+Entity Framework CoreMediatRCQRSREST APIsDistributed SystemsRedisAzure Blob StorageSignalR
About the role
Role Overview
Senior Software Engineer (C# / .NET) at LineTen. You’ll work in a high-trust environment with strong ownership, curiosity, and focus on measurable outcomes. The team treats software as a craft and encourages proactive system improvement.
Key Missions
- Design robust, durable backend solutions for distributed systems and frontend integrations.
- Use AI-assisted development tools responsibly, with emphasis on design, testing, and disciplined code review.
- Proactively improve systems by identifying opportunities for enhancement without waiting for directives.
Responsibilities
- API design and implementation (RESTful contracts, versioning, webhooks, and long-running operation patterns such as 202 Accepted).
- Build across backend services and frontend integration.
- Improve reliability, scalability, and maintainability of distributed systems.
Requirements
- API design: RESTful contracts, versioning, webhooks, long-running operations (e.g., 202 Accepted patterns).
- C# / .NET 8+; Entity Framework Core; async/await.
- MediatR / CQRS experience.
- Experience with Redis caching and Azure Blob Storage.
- Strong understanding of distributed systems: consistency models, event-driven patterns, idempotency, and race conditions.
- Real-time / frontend integration: SignalR / WebSockets and SPA frameworks (Vue / Nuxt or similar) with TypeScript.
Nice-to-Haves
- Data-modelling trade-off experience for practical performance and reliability outcomes.
About LineTen
LineTen is a software engineering team focused on building reliable products with an emphasis on craftsmanship, ownership, and outcomes. The role highlights work across backend services, frontend integrations, and distributed systems, suggesting a modern cloud-based engineering environment.
Scraped 5/20/2026