Senior .NET Engineer | FinTech | London Hybrid 1-2 days | £75-85K

Senior .NET Engineer | FinTech | London Hybrid 1-2 days | £75-85KI’m working with a FinTech business in London that is looking for an experienced Senior .NET Engineer to join a technology team going through a significant modernisation programme, in terms of the technical platform, and the people building it. This company is building a 'new guard' of likeminded, ambitious technical people, and they are looking for Senior .NET Engineers to kick this off.You’ll be joining at an important stage as they modernise and migrate a number of core integration services, working hands-on across C#, .NET, APIs, microservices and event-driven architecture.This is a senior engineering role rather than a pure leadership position, but you’ll also have the opportunity to influence technical direction, engineering standards and mentor other developers within the team.📍 London – Hybrid, 1-2 days per week💷 £75,000-£85,000 + Bonus + Benefits💼 Permanent roleThe core stack includes:💻 C# / .NET / ASP.NET Core🔗 REST APIs & Microservices☁️ Azure - Service Bus / Kafka / Messaging⚡ Event-Driven Architecture🐳 Docker & Containerisation🗄️ SQL Server🔐 OAuth 2.0 / OpenID Connect / JWT🔄 CI/CD & Git🧪 Automated TestingExperience across Azure Functions, Logic Apps, API Management, Event Grid, Container Apps or Terraform would also be beneficial.They’re particularly interested in engineers who understand strong software engineering principles — SOLID, clean architecture, design patterns and maintainable distributed systems — rather than developers who have simply worked with the technologies.Drop me a message if you’d like to hear more.Senior .NET Engineer | FinTech | London Hybrid 1-2 days | £75-85K