Senior C++ Engineer

Interval; United States; Remote; USD 111,000 - 185,000; Full time

Benefits offered by this job

Flexible hours

Remote freelance platform

Competitive pay

Job summary

Interval is seeking a Senior C++ Engineer for a remote, Europe-based freelance role focused on enhancing and securing critical desktop software in healthcare. You will analyze code, fix vulnerabilities, and optimize performance for safety standards.

The ideal candidate has extensive experience with high‑performance, multithreaded desktop apps, modern C++, and strong security know‑how, with residency in the EU/UK or Switzerland preferred.

Qualifications

• Proven extensive experience as a Senior C++ Engineer on high‑performance, multithreaded desktop apps.
• Strong proficiency in modern C++ standards and practices.
• In-depth expertise in system security, multithreading, and debugging techniques.
• Experience with build systems and toolchains (CMake, Conan, MSVC).

Responsibilities

• Develop, maintain, and enhance modern C++ components for high‑performance desktop apps with a focus on security.
• Analyze software architecture against security specs to detect and remediate vulnerabilities.
• Collaborate with architecture, QA, and product teams to ensure robust delivery.
• Leverage AI coding agents to accelerate code analysis and bug fixes.
• Perform complex multithreading analysis and debugging to maximise efficiency.

Skills

C++

Multithreading

Security

Code analysis

High-performance

Education

University degree in Computer Science, Mathematics, Physics, Electrical Engineering, or related field

Tools

CMake

Conan

MSVC

Job description

This is a remote position. We are seeking a Senior C++ Engineer to drive the enhancement and security of critical desktop software within the healthcare sector. In this role, you will perform code analyses, resolve vulnerabilities, and optimise desktop applications to meet stringent performance and safety standards.

Key Details

• Language: Fluent English is the only language requirement
• Role: Full-time contract / freelance basis with a daily rate
• Location: Remote (Europe), requiring only occasional onsite visits in Central/North Germany

Responsibilities

• Develop, maintain, and enhance modern C++ components for high-performance desktop applications with a strong focus on system stability and IT security.
• Analyse existing software architecture against established security specifications to detect, remediate, and prevent vulnerabilities.
• Collaborate cross-functionally with software architecture, quality assurance, and product management teams to ensure robust software delivery.
• Leverage AI coding agents to accelerate code analysis, streamline bug fixes, and improve engineering workflows.
• Conduct complex multithreading analysis and debugging to maximise system efficiency.

Requirements

Must-Have Requirements:

• Proven extensive experience as a Senior C++ Engineer working with high-performance, multithreaded desktop applications.
• Proficiency in modern C++ standard practices.
• In-depth expertise in system security, multithreading, and advanced debugging techniques.
• Solid practical experience using build systems and toolchains including CMake, Conan, and MSVC.
• Structured, analytical approach to problem-solving with high quality standards.
• Eligibility Residency in the EU, EEA, UK, or Switzerland.
• Fluent English.

Preferred Requirements

• Practical familiarity with AI coding agents (such as Claude Code) or similar automated engineering tools.
• Exposure to formal IT security standards or regulatory compliance frameworks.
• Prior experience delivering software solutions within regulated industries or the healthcare domain.
• University degree in Computer Science, Mathematics, Physics, Electrical Engineering, or a related technical discipline.
• German speaking is nice to have.

Benefits

• As a freelancer / contractor with us, you will enjoy flexible working hours and the freedom to choose your own projects.
• Our platform gives you access to exciting projects in various industries and supports you inadvancing your career.
• You’ll benefit from competitive pay and a dedicated team to help you with any questions you may have.
• Work independently and utilise our strong network to achieve your professional goals.