C# developer Jobs in USA

Atto Trading, a dynamic quantitative trading firm founded in 2010 and leading in global high-frequency strategies, is looking for a C++ Software Engineer to join our team in New York.

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:

We are modernizing our trading and research platform to scale our alpha trading business. The platform will enable researchers to explore, test, and deploy sophisticated signals, models, and strategies across asset classes, in a robust, fully automated manner, while remaining within highly competitive latency targets. You will be responsible for building, maintaining, and supporting the platform that makes this possible.

Responsibilities:

• Develop, sustain, and support one of the leading global trading platforms with low-latency C/C++ systems for high-frequency trading (HFT), while consistently enhancing its performance, functionality, and stability.
• Conduct thorough testing and participate in comprehensive code reviews.
• Implement interfaces with advanced networking hardware (FPGA, kernel-bypassing drivers)
• Demonstrate proactive decision-making and self-direction, while recognizing when to seek guidance.
• Research platform performance improvements

Requirements

• 2+ years of experience with developing HFT platforms and trading systems
• Experience working with C/C++, especially modern C++ in a Linux environment
• Experience in profiling and optimization
• Understanding the principles of OOP, Multithreading, and IPC
• Bachelor's degree or higher in Computer Science, Computer Engineering, or related field
• Attention to detail, ability to work to very high standards, and critical mindset
• Ability to manage multiple tasks in a fast-paced environment
• An attitude of doing, building, and learning

Nice to have:

• Knowledge of operating systems, kernel-level understanding of device-level support in Linux.
• Knowledge of Financial Instruments (Stocks, ETFs, Futures, Options).
• Experience with various market data and order entry protocols (ITCH, OUCH, PITCH, CME MDP)
• Genuine interest in finance, trading, and modern electronic markets

Benefits

• Competitive compensation package
• Performance-based bonus opportunities
• 401k plan
• Mental health support, including access to therapy
• Paid time off (25 days)
• Relocation support (where applicable)
• International team meet-ups
• Learning and development support, including courses and certifications
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches

Annual base salary range of $175,000 to $250,000. Pay (base and bonus) may vary depending on job-related skills and experience.

Our motivation:

We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth.

Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!