Integration Software Engineer

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 practices in developing maintainable code, documentation and test.

What's on offer

A friendly, highly technical team that values collaboration and personal growth.

25 days holiday (with buy/sell up to 5 days coming this year).

Up to 10% bonus scheme.

4% company pension contribution.

Free on‑site EV charging (fair‑use policy applies).

Flexible working culture within an office‑based role