Senior C++ Software Engineer

AI2C Technologies AG is a Swiss start-up that has recently expanded its operations to Athens. At AI2C, we harness cutting-edge machine learning (ML) technologies to transform and optimize the DeepTech finance industry. Our team tackles innovative R&D projects, including the development of a C++-based system with demanding requirements. About the Role We are looking for an experienced Senior C++ Developer to join our dynamic and innovative team. In this role, you will be responsible for designing, developing, and optimizing high-performance applications using modern C++ techniques on Linux. You will work on challenging problems in multi-threading and distributed systems while leveraging best practices in software engineering to meet challenging performance and stability requirements. Key Responsibilities Design, implement, and optimize high-performance, soft real-time distributed systems in C++ in the Linux environment. Collaborate with cross-functional teams to define and deliver new features. Conduct code reviews and mentor junior developers to cultivate their software engineering skills. Required Qualifications At least 5 years of experience in C++ software development working on competitive projects. Experience with C++17 standard and beyond. Experience with Modern C++ paradigms (RAII, move semantics, smart pointers, constexpr, future/promise etc.). Deep understanding of multi-threading programming, including synchronization primitives (mutexes, condition variables, atomics, etc.). Proficiency in designing and optimizing performance-critical applications in C++. Experience with troubleshooting complex issues related to concurrency and memory management. Knowledge of Linux systems and build tools (CMake, git, etc.). Fluent English communication skills. Solid team-working soft skills. Bonus Qualifications AI-augmented software development skills are a major plus (Copilot, Cursor, AI agent assistants). Familiarity with networking protocols and libraries (e.g. ZeroMQ). Exposure to performance profiling tools. Familiarity with C++20 is a plus. Be part of an international company that is at the forefront of financial technology innovation. Enjoy a very competitive compensation package including a bonus, based on transparent AI2C's profit sharing plan. Competitive salary (€2800 - €3600 NET, depending on qualifications and experience) Bonus based on transparent AI2C's profit sharing plan Comprehensive private health insurance fully paid by the company. Use of cutting-edge development environment (C++20 standard, lean CMake/Ninja build system, state-of-the-art IDEs, Github-actions CI/CD). Hybrid working environment with up to 2 days home office per week.