Mid Software Engineer, C++

AI2C Technologies

Experienced C++ Developer at AI2C Technologies working on high-performance applications using modern C++ in a hybrid environment.

Posted 7/9/2026full-timeAthens • 🇬🇷 GreeceJuniorMid-Level💰 €2,200 - €3,000 per monthWebsite

Tech Stack

Tools & technologies

C++Distributed SystemsLinux

About the role

Key responsibilities & impact

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 perform stability and performance analysis with specialized tools (gdb, vtune, perf, valgrind).

Requirements

What you’ll need

At least 2 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.
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.

Benefits

Comp & perks

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 (€2200 - €3000 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.

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Hard Skills & Tools

C++C++17C++20Multi-ThreadingPerformance OptimizationConcurrency TroubleshootingMemory ManagementNetworking ProtocolsAI-Augmented Software DevelopmentCode Review

Soft Skills

Fluent English CommunicationTeam Collaboration