Software Engineer C++ Linux OS

Client Server · London, England ·

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Overview In this role you will contribute to a flagship secure operating system and desktop application, working on low-level Linux (Debian) with C++. You'll join a small, collaborative team in a relaxed, non-corporate environment, blending office and home work to deliver secure software for finance, government, and allied sectors.

You will help build new features, enhance performance, and drive security-focused improvements. This is a hands-on role with significant impact on product reliability and security. Pay / Benefits Salary up to 65k + OTE 25 days holiday (27 after two years) 5 extra days purchasable Private Medical Care Life Cover Pension Responsibilities Develop features and updates for the secure OS and desktop application using C++ on Linux (Debian) Work on low-level system components to maximize security and reliability Collaborate with a small, international team in a hybrid work setup Contribute to the design and implementation of new products and enhancements Participate in problem solving and proactive debugging to maintain system integrity Key requirements Strong C++ coding skills Deep knowledge of Linux OS with bash scripting and command line Proactive, analytical, and strong problem-solving abilities Degree educated with solid Computer Science fundamentals (OOP, Data Structures, Design Patterns) Collaborative with good communication skills Eligible for SC Clearance (British citizen or resident for ≥5 years) Ideally knowledge of Networking (TCP/IP), Linux Kernel, C or Python collaborative strong communication proactive problem-solving C++ Linux OS bash scripting

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