C++ Software Developer

About The Company Ncounter is a leading technology firm specializing in electronic trading solutions for the financial services industry. With a focus on innovation and performance, Ncounter supports global financial institutions by providing cutting-edge trading platforms and high-performance systems. The company prides itself on fostering a collaborative environment where technical excellence and strategic thinking drive success. Ncounter's commitment to leveraging advanced technology ensures its clients stay ahead in the competitive landscape of electronic trading. About The Role We are seeking an experienced Software Developer with expertise in C++ and a strong background in electronic trading technology. This role is based in London with a hybrid work model, offering a dynamic environment where you will contribute to the development of high-performance trading systems. The successful candidate will play a pivotal role in designing, developing, and maintaining low-latency applications that are critical to our clients' trading operations. You will work on core components such as matching engines, FIX gateways, and real-time trading platforms, ensuring their performance, reliability, and scalability meet the highest standards. Qualifications

• Minimum of 5 years of professional software development experience, preferably in financial technology or related fields.
• Strong proficiency in C++, with a solid understanding of low-latency, high-frequency, and performance-critical system design.
• Experience with Java and Python is highly desirable, particularly in contexts involving electronic trading systems.
• Hands-on experience working with FIX protocol within electronic trading environments.
• Deep knowledge of Linux operating systems, including multithreading, socket programming, IPC, and system-level behavior.
• Understanding of concurrency, memory management, and in-memory optimization techniques.
• Familiarity with NUMA architectures and performance-focused programming practices.
• Experience with networking protocols such as TCP/IP, UDP, unicast, and multicast.
• Additional skills in SQL and relational database management are advantageous. Responsibilities
• Design and develop high-performance matching engines, FIX gateways, and electronic trading applications that meet strict latency and throughput requirements.
• Create low-latency, multithreaded systems utilizing C++ and Java, ensuring efficient processing of real-time market data and trading information.
• Develop and optimize in-memory data structures, lock-free queues, and circular buffers to maximize system performance.
• Implement robust networking solutions using TCP/IP, UDP, multicast, and other protocols to facilitate reliable data transmission.
• Conduct troubleshooting, profiling, and performance tuning of critical production applications to identify bottlenecks and improve system efficiency.
• Support automated testing frameworks, DevOps practices, and continuous integration/continuous deployment (CI/CD) pipelines to streamline development cycles.
• Collaborate closely with trading, product, and infrastructure teams throughout the software development lifecycle to ensure alignment with business goals.
• Stay updated with industry trends and incorporate best practices in low-latency system design and implementation. Benefits At Ncounter, we offer a competitive compensation package aligned with industry standards, including performance-based bonuses and comprehensive benefits. Our employees enjoy a flexible work environment with hybrid working arrangements, promoting work-life balance. We provide opportunities for professional growth through ongoing training, industry conferences, and skill development programs. Our collaborative culture encourages innovation and knowledge sharing, fostering a stimulating environment where your contributions have a tangible impact. Additionally, we support health and wellness initiatives to ensure our team remains healthy and motivated. Equal Opportunity