Senior C++ Software Engineer
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Before you apply
Salary€34k – €43k/wk
LocationAthens, Attica, Greece
Work modehybrid
Typefull-time
SenioritySenior
Experience5+ yrs
DepartmentSoftware Engineering
Company size2+ people
PostedMay 7, 2026 · 6mo ago
Verified live2d ago
May no longer be actively hiring
Posted by the company on May 7, 2026
At a glanceSummarised by Seekless from the posting.
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
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
Skills
C++
C++17
C++20
CMake
Git
Copilot
Cursor
ZeroMQ
Linux
Profiling tools
GitHub Actions
Benefits
Health insurance
Bonus
Remote hybrid
Profit sharing
About the company
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
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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.
Requirements
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.
Benefits
•
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.
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