Sr Software Engineer
$400kCantor Fitzgerald
As a Senior Software Engineer, you will be a key member of our development team, working on critical applications and contributing to our technology stack. Your expertise in application refactoring and network utilization will be instrumental in enhancing our platform's performance. We are looking for a collaborative and skilled engineer to join our team and drive innovation. Responsibilities Refactor and optimize applications for improved performance and scalability. Analyze and optimize network utilization to ensure efficient data transfer. Collaborate with the development team to design and implement low-latency solutions. Conduct unit testing and ensure code quality and reliability. Design and implement internal APIs and protocols for seamless integration. Respond to production issues and provide timely remediation. Utilize AI resources to enhance knowledge and streamline workflow. Stay updated with industry trends and best practices in low-latency application development. Mentor and guide junior team members, sharing your expertise and knowledge. Qualifications 10+ years of experience in low-latency application development using modern C++. Expertise in cache coherency, core isolation, memory management, and data structure optimization. Strong understanding of multi-threaded application design and lock-free queues. Working knowledge of TCP and UDP protocols, and experience with latency and throughput measurements. Experience with internal API and protocol design, and production issue resolution. Familiarity with AI tools and their application in software development. Knowledge of exchange-related applications and protocols (e.g., FIX) is an asset. Experience with Solarflare hardware configuration and API is desirable. Proficiency in using Git/GitLab, Wireshark, and other relevant tools. Excellent communication skills and the ability to work effectively in a team environment. Total Compensation: $400,000-$500,000 #LI-JM3 Job Info Job Identification 249087 Posting Date 06/26/2026, 01:28 PM Locations 55 Water St, New York, NY, 10041, US #J-18808-Ljbffr
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