Senior C++ Architect - Ultra-Low Latency Trading Platform

act digital in Lisbon is seeking a Senior C++ Engineer to design, develop, and optimize a high-performance electronic trading platform, focusing on ultra-low latency and scalable architectures. You will work on multi-threaded Linux systems, implement modern C++17/20, lead technical initiatives for greenfield projects, and collaborate with distributed teams across trading, quantitative, and business units.

This role emphasizes ownership of the full SDLC, CI/CD pipelines, rigorous testing, and