Senior C++ Developer

Atto Trading, a dynamic quantitative trading firm leading in global high-frequency strategies, is looking for a Senior C++ Developer to join our team in Lisbon, Portugal (office).

We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort.

Position Highlights:

• Contributing to the development of a competitive ultra-low latency trading platform.
• Active participation in the full feature development cycle of creating a new, successful working trading platform from prototype to deployment in production.

Responsibilities:

• Design, implementation and deployment of components and services for large-scale trading systems
• Development of cross-platform C/C++ systems for high-frequency trading (HFT)
• Develop low-latency code using the latest C/C++ standard
• Implement interfaces with advanced networking hardware (FPGA, kernel-bypassing drivers)
• Research to improve platform performance

Requirements:

• Experience working with C/C++ (4+ years).
• Knowledge of C++ standards (C++14, C++17, C++20 is a big advantage).
• Experience working with Python/Bash (1+ years).
• Hands-on experience with Linux, Multithreading and IPC.
• Experience in profiling, optimizing latency and throughput, PGO.
• Understanding the principles of OOP, design patterns.
• Bachelor's degree in Computer Science or Computer Engineering or related field.
• Effective communication skills and fluency in English.
• Close attention to detail, ability to work to very high standards, and critical mindset.
• The ability to manage multiple tasks in a fast-paced environment.

Nice to have:

• Experience in developing high-performance/low-latency systems under Linux.
• Knowledge of operating systems, kernel-level understanding of device-level support in Linux.
• Knowledge of Financial Instruments (Stocks, ETFs, Futures, Options).
• Genuine interest in finance, trading, and how modern electronic markets work.
• Good understanding of Networking at the protocol level.

Benefits:

• Support in relocation.
• Opportunity to develop professional competencies.
• Interesting and challenging tasks.
• Competitive rates of pay.
• Paid time off.
• Coverage of health insurance costs.