Competitive Salary Exceptional benefits - listed below Derby - 5 days Onsite Permanent We''re recruiting for a Integration Software Engineer to join a growing and ambitious team at a pivotal stage in its journey. Want to be part of a business that is disrupting the national security market? Our client is a fast-growing UK sovereign technology company delivering innovative encryption and secure communications solutions to some of the country''s most demanding customers. Combining deep technical expertise with an agile, customer-focused approach, they are challenging the status quo and proving that world-class capability can come from a dynamic and ambitious SME. As an Integration Software Engineer, you will develop, maintain, and integrate internal business applications and automation tools. You''ll work with open-source ERP systems, .NET applications, scripting languages, and SQL-based data integrations, collaborating closely with Software, QA, and Production teams to deliver reliable and efficient business solutions. Skills and experience required Essential Technical Skills / Qualifications NET development - Development of C#/.NET applications and services. Knowledge of designing, deploying and maintaining SQL databases. Experience of writing complex SQL queries. Experience of .NET coding in a professional environment. Experience debugging complex systems. Source control using Git, SVN or CVS. An appreciation of scripting languages. Understanding of best ..... full job details .....