C++ Software Engineer (Greenfield Market Data Application - HFT Firm)

Location: NYC (Hybrid – at least 4 days onsite/week, Monday - Thursday) This is a 6 month consulting opportunity that can be extended up to 12 months Visa Sponsorship: Talan does not sponsor U.S. work permits or employment visas. We are looking for a strong C++ Developer to build a greenfield, low-latency market data application for a high-frequency trading firm. The ideal candidate will have strong OOP fundamentals, especially in C++, and will be passionate about developing new features on Trade and Market Access Platforms. Role and responsibilities

• Design and develop high-performance C++ systems from the ground up for a global Market Data Feed Application Apply strong OOP, design patterns, data structures, and algorithms to build clean and maintainable systems Design scalable, low-latency components for real-time market data processing Develop network connectivity using UDP/TCP, including multicast Implement and integrate financial market data protocols including ITCH, PITCH, and OUCH Build market data processing and order book components Design concurrent, thread-safe systems with a focus on latency, throughput, and reliability Profile, benchmark, and optimize performance-critical code
• Optimizing this platform by using network and systems programming, as well as other advanced techniques to minimize latency Requirements 3-5 years of C++ backend development Strong C++ programming and object-oriented design fundamentals (Must be familiar with C++ 23 features or latest C++ 17) Excellent knowledge of data structures, algorithms, and system design Strong debugging and problem-solving skills Experience building performance-sensitive or real-time systems is highly preferred. Company’s Benefits At Talan, we invest in our employees' well-being and empower them with benefits, including:
• 💵 Salary between USD $120,000 - 150,000
• 💸401(k) retirement plan with company matching
• 🌴15 days of paid vacation per year at hire and up to 27 according to seniority (annual untaken vacation days are cashed out)
• 📴8 paid holidays + 5 sick days + 2 personal days per year
• ❤️🩹Company health, dental, and vision insurance plans + FSA
• 🦺Voluntary STD and LTD
• 🚍 Commuter/transit benefits All your information will be kept confidential according to EEO guidelines. Talan is an international group that supports its clients in their end-to-end Data & AI transformation by combining management consulting with technological expertise. With over 6,000 employees across five continents, we accelerate our clients' transformations through long-term partnerships, creating measurable and sustainable impact. Our value proposition is built on a structured innovation ecosystem: 2,500 Data & AI experts, proprietary solutions built on advanced models, and an applied research, experimental development, and innovation laboratory. In Americas, our multidisciplinary teams bring over 30 years of experience helping business leaders across key industries achieve measurable performance and strong ROI, designing, building, and scaling solutions that enable companies to grow more efficiently.