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# Principal Software Engineer

- **Company:** Searchability
- **Location:** London, UK
- **Salary:** £260,000.0 - £280,000.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Application Programming Interfaces (APIs), Business Analytics Applications, C Sharp (Programming Language), Cyber Security, Intrusion Detection and Prevention, Network Security, Data Processing, Cybercrime, Cyber Warfare, Security Orchestration, Automation & Response
- **Published:** September 11, 2026
- **Apply:** https://searchability.com/submit-resume/

## About the Role

* Strong commercial C# and .NET experience
 * Experience building secure production software
 * Understanding of APIs, networking and data processing
 * Experience with cybersecurity, automation, or analytical platforms

## Description

This team is advancing how cyber threats are identified and disrupted, building operator-focused software that turns complex security data into clear, immediate action.

C# engineers develop secure platforms for threat hunting, network defense and automated cyber operations.

Responsibilities

 * Build secure C# cyber applications
 * Develop threat detection and response capabilities
 * Automate security analysis and operational workflows
 * Integrate large volumes of network telemetry
 * Move new cyber capabilities into production


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