Senior C++ Engineer (Desktop Applications) - Healthcare

About the role

Interval is looking for a Senior C++ Engineer to strengthen the quality and security of critical desktop software in the healthcare sector. The work involves code analysis, vulnerability resolution and performance optimisation. The position is a full-time contract or freelance arrangement with a daily rate, remote across Europe with only occasional onsite visits in Central/North Germany.

Key responsibilities

• Develop, maintain and enhance modern C++ components for high-performance desktop applications, focusing on system stability and IT security.
• Analyse existing software architecture against security specifications to detect, fix and prevent vulnerabilities.
• Work with software architecture, quality assurance and product management teams to deliver robust software.
• Use AI coding agents to speed up code analysis, bug fixing and engineering workflows.
• Perform complex multithreading analysis and debugging to improve system efficiency.

Required profile

• Proven extensive experience as a Senior C++ Engineer on high-performance, multithreaded desktop applications.
• Residency in the EU, EEA, UK or Switzerland; fluent English is the only language requirement.
• Preferred: prior experience in regulated industries or healthcare, and a university degree in a technical field.

Required skills

• Modern C++ standard practices.
• System security, multithreading and advanced debugging.
• Build systems and toolchains such as CMake, Conan and MSVC.
• Preferred: familiarity with AI coding agents such as Claude Code, exposure to formal IT security standards, and German speaking is a plus.

What we offer

• Flexible working hours and the freedom to choose your own projects.
• Access to projects in various industries through the platform, with competitive pay.
• A dedicated team to support you and the chance to work independently.