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# Senior C# Developer

- **Company:** IT Search & Select
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Artificial Intelligence, Data Analysis, Banking Software, C Sharp (Programming Language), Cloud Computing, Cloud Engineering, Continuous Integration, Decision Support Systems, Distributed Systems, Fraud Prevention and Detection, Machine Learning, Microsoft SQL Server, Performance Tuning, Secure Coding, SQL Stored Procedures, Blazor, Api Design, Software Coding
- **Published:** July 3, 2026
- **Apply:** https://www.totaljobs.com/job/senior-c-developer/it-search-select-job107628801

## About the Role

* 8-10+ years' professional experience developing enterprise systems in C#/.NET.
 * Strong experience with SQL Server, including performance tuning, stored procedures and schema design.
 * Hands-on experience building modern web UIs with Blazor (Server or WebAssembly).
 * Solid understanding of distributed systems, API design and cloud-ready architectures.
 * Experience integrating automation, analytics or AI-driven features into production systems.
 * Strong problem-solving skills and the ability to work in regulated, high-assurance environments.
 * Excellent communication skills and the ability to influence technical direction.

## Description

You'll work on mission-critical banking software used by major retail banks, combining deep C# expertise with SQL Server, Blazor and modern cloud-ready architectures. This is an ideal opportunity for a senior engineer who wants to shape technical direction and lead the adoption of AI within a regulated financial environment.
About the Role

You'll take ownership of key C#/.NET components within a large, enterprise-grade retail banking platform. Expect hands-on development, architectural input, and leadership around integrating AI into workflows such as fraud detection, customer analytics, automation, decision support and operational efficiency.

This role suits a senior engineer with strong full-stack skills and a passion for modernising financial systems., * Design, develop and maintain C#/.NET applications used across retail banking operations.

 * Build modern, responsive front-end interfaces using Blazor.
 * Work extensively with SQL Server to design schemas, optimise queries and improve data performance.
 * Lead the introduction of AI and machine-learning capabilities into existing products and workflows.
 * Collaborate with product, data and architecture teams to define AI use cases and integration patterns.
 * Drive best practices across coding standards, testing, CI/CD and secure development.
 * Mentor mid-level developers and contribute to long-term technical strategy.
 * Ensure solutions meet regulatory, security and performance requirements for financial institutions.


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