High-Frequency Trading System Engineer

Atto Trading, a leading quantitative trading firm established in 2010, is at the forefront of global high-frequency trading strategies. We invite a passionate Low-Latency Developer to enhance our dynamic team.Our diverse and international workforce comprises experts in trading, engineering, technology, and statistics. We pride ourselves on a disciplined approach complemented by rapid market feedback, enabling us to swiftly transform innovative ideas into profitable outcomes. In our collaborative and educational environment, we tackle some of the most complex challenges in the industry, maintaining a commitment to integrity, ingenuity, and excellence.Position Highlights:As we modernize our trading and research infrastructure to expand our alpha trading capabilities, this platform will empower researchers to analyze, test, and implement advanced signals, models, and strategies across various asset classes while meeting stringent latency requirements. In your role as a Low-Latency Developer, you'll be instrumental in designing, optimizing, and maintaining high-performance trading systems to ensure minimal latency.Your Mission and Goals:Evaluate and enhance the performance of low-latency trading systems by pinpointing bottlenecks and inefficiencies in the code, and implementing robust solutions.Adapt and develop our platform to meet the rigorous demands of a fast-paced trading environment, effectively managing technical debt.

About Us:Atto Trading is a forward-thinking quantitative trading firm established in 2010, recognized as a leader in high-frequency trading strategies on a global scale. We are on a mission to expand our diverse, international team of experts in trading, statistics, engineering, and technology. Our disciplined methodology, paired with swift market feedback, empowers us to rapidly transform innovative ideas into profitable results. As a compact firm, we pride ourselves on our agility and unwavering commitment to integrity, creativity, and diligence.Role Overview:We are seeking a proactive and skilled Head of Infrastructure to lead a dynamic engineering team through a pivotal phase of business expansion. This role entails setting strategic direction and delivering critical initiatives within a hybrid environment while maintaining close collaboration with various stakeholders. The ideal candidate will exhibit a blend of technical expertise and team leadership, thriving in a fast-paced atmosphere and dedicated to developing scalable, secure, and highly automated platforms.Key Responsibilities: Lead and mentor an infrastructure team of 7 engineers during significant organizational growth. Oversee essential infrastructure areas such as CI/CD, networking, hardware performance tuning, data platforms and pipelines, scalable computing, security, and access management. Enhance engineering standards through the application of established industry best practices. Champion modernization and upgrades of key stack components with full management support. This hands-on role requires 60-80% technical involvement, reflecting our commitment to maintaining high productivity and profitability per employee.

Join Atto Trading, a pioneering quantitative trading firm established in 2010, at the forefront of high-frequency trading strategies. We are actively seeking a C++ Software Engineer to enhance our dynamic team in New York.Our diverse and international team comprises experts in trading, statistics, engineering, and technology. Our unique blend of disciplined strategies and swift market feedback enables us to transform innovative ideas into profitable outcomes. Here at Atto, we foster an environment of continuous learning and collaboration, allowing us to tackle some of the most complex challenges in the industry together. As a small firm, we pride ourselves on our agility and commitment to integrity, creativity, and hard work.Position Highlights:As we modernize our trading and research platform to expand our alpha trading operations, you will play a pivotal role in developing a platform that empowers researchers to explore, test, and deploy complex signals, models, and strategies across various asset classes in a fully automated and robust manner, all while adhering to stringent latency targets. Your contributions will be crucial in building, maintaining, and supporting this platform.Responsibilities:Design, develop, and maintain our leading global trading platform using low-latency C/C++ systems specifically for high-frequency trading (HFT), consistently improving its performance, functionality, and stability.Conduct rigorous testing and engage in thorough code reviews to ensure high-quality standards.Integrate advanced networking hardware interfaces (FPGA, kernel-bypassing drivers).Exhibit proactive decision-making and self-direction, while knowing when to seek assistance.Investigate and propose enhancements for platform performance.Requirements:A minimum of 2 years of experience in developing high-frequency trading platforms and trading systems.Proficiency in C/C++, particularly modern C++ within a Linux environment.Expertise in profiling and optimization techniques.Strong understanding of Object-Oriented Programming (OOP), Multithreading, and Inter-Process Communication (IPC).Bachelor's degree or higher in Computer Science, Computer Engineering, or a related field.Meticulous attention to detail, a commitment to maintaining high standards, and a critical mindset.Able to juggle multiple tasks in a fast-paced environment.A proactive attitude towards building, learning, and achieving results.Desirable Qualifications:Familiarity with operating systems, including kernel-level understanding of device support in Linux.Knowledge of financial instruments such as Stocks, ETFs, Futures, and Options.Experience with various market data and order entry protocols (ITCH, OUCH, PITCH, CME MDP).A genuine interest in finance, trading, and contemporary electronic markets.Benefits:Competitive salary packagePerformance-based bonuses401(k) retirement planMental health support initiatives

Belvedere Trading is a premier proprietary trading firm renowned for its commitment to innovation in trading technology. With strategically located offices in Chicago, New York, Boulder, and Singapore, we excel in providing market liquidity across a broad spectrum of instruments, including commodities, interest rates, exchange-traded funds (ETFs), and equity index options. Our dedicated traders leverage a sophisticated blend of cutting-edge technology and market expertise to ensure robust liquidity in the markets.We are seeking a talented Senior Quantitative Developer to join our dynamic Low Latency Systematic Volatility Trading team. This role offers the opportunity to work at the intersection of quantitative modeling and high-performance engineering, building and optimizing real-time production systems for pricing, risk management, and trading of derivatives. Ideal candidates will possess a deep passion for performance, precision, and system stability, all while thriving in a collaborative team environment.

Join OmenAt Omen, we are on a mission to revolutionize the investment landscape by creating a unified platform that enables trading of every asset type with various leverage options—all in one place.Visualize the ability to trade spot equities and cryptocurrencies, utilize 10x leverage on Nvidia shares, short-sell startups, or even invest in tokenized real estate—all seamlessly without the hassle of navigating through disparate tools, brokers, or protocols.We believe that retail investing should match the sophistication and flexibility of institutional trading, while maintaining speed, accuracy, and security.Our dedicated team of 8 full-time engineers operates from a vibrant office in the heart of Midtown NYC, consisting of seasoned professionals in trading systems, startup veterans, and app developers, all committed to advancing our vision.Role OverviewAs a Low-Latency Market Infrastructure Engineer, you will be pivotal in developing the core infrastructure for our Decentralized Exchange (DEX). Your responsibilities will include building order matching systems, managing margin and funding mechanisms, overseeing liquidation processes, and bridging off-chain trading states with on-chain settlements. The choices you make will have a direct impact on the platform's safety, performance, and scalability.If you’re passionate about being one of the foundational engineers in a fast-paced startup environment, backed by leading venture capital partners, and eager to redefine the investment landscape for future generations, we want to hear from you.

About Us:At FalconX, we are a pioneering team dedicated to transforming institutional access to the cryptocurrency markets. With our operations positioned at the crossroads of traditional finance and advanced technology, we tackle the most pressing challenges in the industry. Navigating the digital asset market can be intricate and disjointed, characterized by a lack of products and services that support diverse trading strategies and liquidity akin to traditional financial markets. FalconX serves as a comprehensive solution for all digital asset strategies, empowering our clients with seamless navigation through the constantly evolving cryptocurrency landscape.Location: New York City | Team: Trading Technology | Employment Type: Full-TimeAs a market leader in serving hedge funds, asset managers, and financial institutions, we are in the process of building a next-generation platform that facilitates high- and low-touch trading workflows across spot, derivatives, and structured products.Your Role:We are seeking a highly skilled Senior Trading Systems Developer with extensive experience in low-latency Java and/or Rust. You will be responsible for architecting and developing our cutting-edge trading applications and execution platform, which will be pivotal in supporting complex electronic trading algorithms, including automated market making and quantitative trading strategies. Your work will involve core components that are integral to our execution stack, such as market-data ingestion, order management, risk checks, session control, and high-throughput venue connectivity.In this role, you will design and create scalable, low-latency components that maintain resilience under heavy loads and are tightly integrated with our execution stack and internal trading frameworks.Key Responsibilities:Develop low-latency services on Aeron, including OMS/EMS components, market-data pipelines, and venue gateway connectivity.Integrate with exchange APIs utilizing FIX, REST, WebSocket, and venue-specific protocols.Model intricate order lifecycles, state machines, and execution workflows into robust, observable, fault-tolerant services.Design and maintain SBE message schemas and facilitate high-throughput message-bus communication on Aeron.Oversee the complete software development lifecycle (SDLC) for your domain: design, test, deploy, and monitor.Collaborate closely with quant, trading, infrastructure, and data teams to guarantee the execution stack operates effectively.

About the RoleJoin our dynamic team as a Low-Latency Software Engineer, where you'll leverage your expertise in high-performance, low-latency systems to optimize our cutting-edge trading platforms. Collaborating with quantitative researchers and developers, you will play a crucial role in designing and enhancing our rapid trading solutions.Our systems predominantly utilize OCaml, supplemented by minimal C and C++. While prior knowledge of OCaml or financial markets is not a prerequisite, a strong background in low-level systems programming and optimization in languages such as C or C++ is essential.

Atto Trading is a leading quantitative trading firm that employs a portfolio of signal-driven high-frequency trading strategies across cash equities and futures markets.We are currently seeking a dedicated Trading Operations Engineer to enhance our team. As we embark on expanding into new markets, it is an exhilarating time to join our diverse group of professionals specializing in trading, statistics, engineering, and technology. Our methodical approach, paired with rapid market feedback, enables us to transform innovative ideas into profitable outcomes swiftly. We foster a collaborative and educational environment where we tackle some of the most challenging problems in the industry together.As a compact firm, we maintain agility and uphold the highest standards of integrity, creativity, and diligence.Our Trading Activities:We execute trades on nearly all US exchanges, including NASDAQ, NYSE, ARCA, Cboe, CME, CFE, and more.Key Responsibilities:Oversee and manage Atto Trading’s automated trading systems to ensure seamless operations.Conduct proactive analyses and enhancements of trading pipelines by developing scripts to automate and optimize daily trading processes and reporting mechanisms.Collaborate with traders, engineers, brokers, and exchanges to address and resolve intraday issues in real time.Engage directly with exchanges and clearing members to investigate and resolve live trading discrepancies.Partner with software engineering teams to refine and sustain trading infrastructure and internal monitoring systems.Automate and enhance trading support workflows and pipelines utilizing Python and Bash scripting.Support daily risk operations through report generation and execution of established risk protocols.Document production incidents while maintaining thorough logs and monitoring protocols.Manage and oversee enterprise systems related to pipeline scheduling, software releases, and operational monitoring.Assist in new market deployments by working closely with internal teams on infrastructure and connectivity.

About Wintermute TradingWintermute Trading stands as one of the foremost algorithmic trading firms in the realm of digital assets. We excel in providing liquidity through advanced algorithms across major cryptocurrency exchanges and trading platforms. Furthermore, we offer a diverse array of OTC trading solutions and lend our support to prominent blockchain projects as well as traditional financial institutions transitioning into the crypto space. At Wintermute, we are not merely a trading entity; we are a critical and influential participant in the digital asset markets, forming strategic partnerships with key industry players. We are actively involved in the blockchain ecosystem's growth through targeted investments, collaborations, and project incubation.Join Us at Wintermute TradingWith a global presence that includes offices in London and Singapore, Wintermute Trading launched its US office in early 2025 and is poised for substantial growth in the coming years. This is a unique opportunity to contribute to the swift expansion of Wintermute Americas.Your RoleWe are on the lookout for an Algorithmic Trader who possesses strong coding skills in Python, a keen sense for trading, and a genuine curiosity about high-frequency trading (HFT), liquidity provision, and cryptocurrency trading. Following a brief training period with our global trading team, you will engage in projects that directly influence the profit and loss (P&L) of Wintermute USA's trading strategies. Your responsibilities will include analyzing extensive trading and transaction data, deriving actionable insights, prioritizing these insights, and formulating solutions based on your analyses. You will enjoy considerable autonomy and responsibility from the outset, while benefiting from the mentorship of seasoned crypto trading experts, facilitating rapid learning without the constraints of outdated systems or corporate red tape. Your impact will be significant, with no limits imposed by the company!

Join Talos Trading as a Sales Associate in the dynamic city of New York! We are searching for a motivated individual who is eager to excel in the fast-paced world of trading. In this role, you will engage with clients, identify their needs, and provide tailored solutions that drive our business forward. Your ability to build strong relationships and communicate effectively will be key to your success.

About Wintermute TradingAs a leader in algorithmic trading within the digital asset space, Wintermute Trading is at the forefront of providing liquidity across major cryptocurrency exchanges and trading platforms. Our robust OTC trading solutions support high-profile blockchain projects and traditional financial institutions entering the crypto realm. We are more than just a trading firm; we are a significant player in the digital asset markets, actively engaging with all major industry participants and fostering the blockchain ecosystem through strategic investments, partnerships, and project incubation. Learn more about us here.Join Our Team at WintermuteWith our global presence spanning offices in London and Singapore, Wintermute opened its US office in early 2025, poised for substantial growth in the coming years. This is a unique chance to contribute to the rapid expansion of Wintermute Americas and be part of an innovative team.

Role overview Trexquant is looking for a High-Frequency Trading System Engineer in New York, New York. The focus of this position is to build and enhance ultra-low-latency trading infrastructure. Working closely with quantitative researchers and fellow technologists, the engineer will drive ongoing system improvements and innovation. What you will do Design and implement high-frequency, low-latency trading systems. Assess the current execution platform and lead a complete redesign. Increase system performance at both hardware and software layers, including optimizing CPU architecture, memory and cache usage, and network interfaces. Maintain a clean, well-tested, and thoroughly documented codebase. Requirements Advanced C++ and Linux skills, with strong understanding of low-level memory management, concurrency, and performance tuning. Experience building ultra-low-latency, high-throughput systems, ideally in trading or real-time environments. Expertise with profiling tools and methods for latency measurement and performance benchmarking. Hands-on knowledge of network protocols such as TCP/UDP, multicast, Ethernet, and low-latency messaging frameworks. Strong analytical and problem-solving abilities. Benefits Competitive base salary, with both guaranteed and performance-based bonuses linked to individual and company outcomes. Supportive, collaborative, and results-driven culture. PPO health, dental, and vision insurance for employees and dependents. Pre-tax commuter benefits. Additional company perks. Location details Applications are accepted for both the Stamford and New York City offices. The New York City location is expected to open in October 2026. Compensation Base salary ranges from $175,000 to $200,000, depending on education and experience. This is an overtime-exempt position. Trexquant is an Equal Opportunity Employer.

The Trade Desk builds technology that helps global brands and agencies connect with audiences around the world. Our media buying platform gives brands tools to deliver more relevant and effective advertising, with a focus on reach, precision, and transparency. We value an inclusive culture where people bring their own perspectives and experiences. Everyone is encouraged to contribute and achieve strong results while being themselves. This General Manager, Business Development role is based in New York and joins a team that collaborates across regions and disciplines.

Join IMC as a Quantitative Developer, where you will take charge of transforming research into actionable trading strategies. This position uniquely combines research and engineering, allowing for continuous feedback from the initial concept to live trading. Your role will involve creating sophisticated systems that leverage quantitative insights to develop a competitive edge, with direct visibility into the impact of your contributions.

Join our dynamic team at The Trade Desk as a Senior Programmatic Trading Specialist, where you will play a pivotal role in optimizing programmatic advertising strategies. Your expertise will help clients achieve their marketing goals through data-driven insights and innovative solutions.

About Wintermute Trading Wintermute Trading is a leading algorithmic trading firm focused on digital assets. The team provides algorithmic liquidity to major cryptocurrency exchanges and platforms, and offers a wide range of OTC trading services. Wintermute collaborates with high-profile blockchain projects and supports traditional financial institutions as they move into crypto. The company invests in, partners with, and incubates projects to help grow the blockchain ecosystem. Learn more here. Wintermute in the U.S. With established offices in London and Singapore, Wintermute opened its U.S. office in early 2025. The company is preparing for significant growth in the Americas, creating opportunities for new team members to help shape the future of the business in this region. Role Overview: OTC Sales Trader The U.S. trading team is hiring a Sales Trader to help expand Wintermute's OTC business. This role is central to building relationships and supporting trading activities with counterparties. Candidates should have a strong background in OTC trading and a proven record in sales trading. What You Will Do Drive OTC business growth in the U.S. market Engage in trading activities across a broad range of digital assets Build and maintain relationships with counterparties Share new ideas to influence OTC strategy and product offerings Work closely with and learn from an experienced trading team About the OTC Desk Wintermute operates as a principal liquidity provider for OTC products, trading over 500 tokens in spot markets and offering all major OTC derivatives, including CFDs, options, futures, and custom solutions. The firm serves more than 2,000 counterparties worldwide, with significant growth potential in the U.S. The team values professionalism and collaboration, and maintains a flat structure with minimal bureaucracy.

Join Talos as an Accounting ManagerAt Talos, we are redefining the digital asset market with our cutting-edge trading technology, catering to institutional clients worldwide. Founded in 2018, our mission is to promote the adoption of digital assets by providing seamless access to the ecosystem.We pride ourselves on fostering a culture of inclusivity, collaboration, and respect, where every team member's contributions are valued. Our globally distributed team, with offices in New York, London, Singapore, and Cyprus, works in a hybrid-friendly environment to create innovative solutions.As an Accounting Manager, you will play a vital role in our fast-growing Financial Operations team, enhancing our global accounting operations and financial reporting efforts. This hands-on position is perfect for individuals who see accounting as a strategic partner in driving business growth.

Belvedere Trading is a premier proprietary trading firm with a robust presence in Chicago, New York, Boulder, and Singapore. Our dedicated traders excel in providing market liquidity through their adept market-making activities, mastering a broad spectrum of commodities, interest rates, exchange-traded funds (ETFs), and equity index options. From our inception, we have consistently invested in cutting-edge proprietary technology, building our systems from the ground up. Our trading models and software systems undergo continuous re-engineering and optimization to maintain our competitive edge within the industry. We thrive in a collaborative team environment where we challenge each other to consistently deliver value and share in the collective success of the firm.We are seeking a Senior Trading Software Engineer to innovate and enhance our trading platform. In this role, you will collaborate closely with traders and quantitative researchers to design and evolve the infrastructure behind our automated options trading systems. Our core platform is developed in Java, with an expansion into modern C++ to propel our strategies into new markets. You will be involved in all aspects, from trading logic and system performance to FPGA integrations. Our daily operations emphasize rigorous code reviews, automated testing, and scalable best practices. If you are passionate about optimizing every microsecond, tackling real-time challenges, and building robust, scalable systems, this position will keep you engaged and motivated every day.

DV Trading is seeking a Graduate Trader in New York. This entry-level role centers on commodities trading and offers direct exposure to the mechanics of financial markets. Role overview Graduate Traders at DV Trading begin by building a strong foundation in market analysis and trading strategy. The position involves working closely with experienced traders to understand how decisions are made and executed in real time. What you will do Develop analytical skills through hands-on market observation and data review Learn trading strategies and how to apply them effectively Participate in decision-making that affects trading outcomes Requirements This role is designed for recent graduates interested in commodities trading. A strong interest in financial markets and a willingness to learn are important.