> Markdown version of [/jobs/ext/857500-lead-sql-net-developer](https://www.wearedevelopers.com/jobs/ext/857500-lead-sql-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead .SQL/.NET Developer - **Company:** Hays plc - **Location:** London, UK - **Experience:** Expert - **Contract:** Contract - **Skills:** .NET Framework, Artificial Intelligence, Amazon Web Services, C Sharp (Programming Language), Databases, Database Development, Performance Tuning, Standard Sql, SQL Stored Procedures, SQL Databases, Transact-SQL - **Published:** June 9, 2026 - **Apply:** https://computerjobs.com/gb/en/mob/job/134D4A443E88FF869A ## About the Role I'm currently working with a London-based Financial Services client who are looking to bring in multiple Senior SQL Developers with strong .NET experience for a long-term, business-critical, data-focused programme. This is not a typical Back End role - it's a data-first environment where SQL sits at the core of everything. What you'll need to succeed: * Extensive SQL development experience - essential * Strong expertise in database modelling, performance tuning, and optimisation * Deep knowledge of SQL Server, T-SQL and Stored Procedures within high-volume, data-intensive systems * Solid C#/. Net experience to support application-layer development * Background working on data-heavy projects, ideally within Financial Services * Exposure to cloud platforms (AWS preferred) * Understanding of AI concepts - nice to have ## Description Your New Role I'm currently working with a London-based Financial Services client who are looking to bring in multiple Senior SQL Developers with strong .NET experience for a long-term, business-critical, data-focused programme. This is not a typical Back End role - it's a data-first environment where SQL sits at the core of everything. What you'll need to succeed: * Extensive SQL development experience - essential * Strong expertise in database modelling, performance tuning, and optimisation * Deep knowledge of SQL Server, T-SQL and Stored Procedures within high-volume, data-intensive systems * Solid C#/. Net experience to support application-layer development * Background working on data-heavy projects, ideally within Financial Services * Exposure to cloud platforms (AWS preferred) * Understanding of AI concepts - nice to have What you'll get in return: * Access to market leading technologies * Hybrid working arrangements. What you need to do now: If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found on our website. ## Related Videos - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) - [Behind the Curtain: How Recruiters Shortlist Devs in an AI-Driven Market and How You Stand Out](https://www.wearedevelopers.com/videos/100229-behind-the-curtain-how-recruiters-shortlist-devs-in-an-ai-driven-market-and-how-you-stand-out) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [Crypto-secure Data Management with In-Database Blockchain](https://www.wearedevelopers.com/videos/632-crypto-secure-data-management-with-in-database-blockchain) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk)