Senior C++ Developer, Italy

Role Overview

We are building a new, high‑impact project within ION aimed at once again disrupting how financial market participants operate. To support this initiative, we are looking for a Backend Software Engineer (C/C++) to contribute to the design and development of complex, high‑performance systems. You will work within cross‑functional teams of engineers, designers, and product specialists, helping deliver scalable and reliable software.

Key Responsibilities

• Design, develop, and maintain backend software components using C/C++
• Apply object‑oriented design principles and domain‑driven design in complex systems
• Build scalable, concurrent, and asynchronous software solutions
• Contribute to system architecture, network design patterns, and performance optimization
• Write high‑quality, testable code using TDD / ATDD practices
• Collaborate within Agile teams (Scrum, Kanban) across a global development environment
• Use source control, CI/CD pipelines, and modern development tools to ensure software quality
• Continuously improve software reliability, maintainability, and delivery processes

Your skills, experience, and qualifications

• Degree in Computer Science or Computer Engineering
• 3+ years of experience developing backend software in C/C++
• Strong knowledge of STL and/or Boost, object‑oriented design, and domain‑driven design
• Experience with concurrent and asynchronous programming and networked systems
• Hands‑on experience with TDD / ATDD and testing frameworks (GTest, CppUnit, UnitTest++)
• Practical use of CI/CD tools and practices, including Jenkins
• Experience with containerization, cloud, and development tools (Docker, AWS, VS Code or equivalent)
• Proficient with source control systems (Git, Perforce, SVN)
• Experience working in Agile environments (Scrum, Kanban)
• Strong interest in complex systems and continuous learning
• Valid EU work permit for non‑EU candidates
• Fluency in English (B2)