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 Five RingsFive Rings LLC is a dynamic proprietary trading firm dedicated to merging innovation, strategy, and technology to excel in the competitive global markets. With offices in New York, Boca Raton, London, and Amsterdam, we engage in trading across a variety of established and unique markets. Our team is committed to finding new opportunities, assessing their risks and rewards, and developing innovative strategies and tools to seize them.We foster a collaborative culture that promotes the exchange of knowledge and ideas across all departments within the firm.About the RoleWe are seeking an experienced Trading Operations Engineer to join our New York-based team of 200 professionals. This role involves providing crucial technical operations support for our US and UK trading desks. As a key member of the Technology division, you will work closely with traders and be integrated into the technical operations processes of the firm. Your responsibilities will be evenly divided between desk-facing tasks and light coding activities in collaboration with our development team.Key Responsibilities:Act as the primary contact for traders utilizing the firm's trading systems.Install, configure, and monitor critical trading applications.Manage incidents through a ticketing system and maintain documentation.Collaborate with developers to enhance operational processes supporting trading applications.

About WintermuteWintermute is a leading algorithmic trading firm specializing in digital assets. We are at the forefront of providing liquidity across all major cryptocurrency exchanges and trading platforms, along with a wide range of OTC trading solutions. Our partnerships with high-profile blockchain projects and traditional financial institutions transitioning into the crypto space position us as a pivotal player in the digital asset markets. We don’t just trade; we actively contribute to the blockchain ecosystem through strategic investments, collaborations, and project incubation. For more details, please visit here.Why Join Wintermute?As a global company with offices in London and Singapore, we opened our US office in early 2025, anticipating significant growth in the coming years. This presents a unique opportunity for you to be part of the rapid expansion of Wintermute Americas. Role OverviewWe are looking for a DevOps Engineer to join our Liquidity Integration team in New York. The Liquidity team is integral to supporting Wintermute’s flagship OTC platform, which facilitates trading for thousands of counterparties via API and the Wintermute NODE platform. Your responsibilities will include designing efficient counterparty-centric integration and support processes, as well as providing operational support throughout the counterparty lifecycle.Your role will focus on global integrations and support, particularly during US business hours and for US counterparties. Collaboration with business development, product teams, traders, engineers, and our global DevOps teams in London and Singapore will be essential in ensuring counterparty technical integration, platform stability, performance, and resilience.

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

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.

Hudson River Trading (HRT) is seeking a dedicated Electronic Trading Support Engineer to join our dynamic Trade Operations (TradeOps) team in New York City, with opportunities in Austin, Chicago, and Dublin. This pivotal role involves managing our state-of-the-art electronic trading environment, renowned for its efficiency and robustness. You will be responsible for configuring, monitoring, and optimizing trading systems, addressing risk, regulatory requirements, and development tasks. The TradeOps team is committed to automating procedures and preparing for unexpected challenges. Your responsibilities will range from debugging processes to ensure timely market openings, to making critical decisions balancing compliance, risk, and profitability during trading hours, as well as implementing new trading strategies smoothly.

*This position requires onsite attendance five days a week at our New York office. Immediate availability is essential.*About Us:DV Trading is a leading financial services firm that leverages its proprietary capital, innovative trading strategies, and robust risk management techniques to ensure liquidity across global financial markets and various asset classes. Established two decades ago and headquartered in Chicago, the DV group has expanded to a workforce of around 600 professionals across North America, Europe, the UAE, and Asia. Our affiliates encompass two broker-dealers, a futures commission merchant, and a registered investment adviser.Overview:Data flows are the lifeblood of a successful trading organization. Every decision, from rapid trades to risk management and exploring new markets, hinges on the swift, accurate, and seamless movement of data.We are currently seeking a dedicated Operations Analyst who excels at identifying gaps, pursuing solutions, and constructing resilient data pipelines that interconnect all operations. You will work closely with the Director of Operations to design and oversee the operational frameworks that drive trading activities across the firm.Responsibilities:Support the Director of Operations by collaborating with traders, developers, risk managers, and other teams to ensure that vital data is delivered efficiently and scalably.Acquire in-depth knowledge of the trading, clearing, and settlement processes for all asset classes handled by the firm (including commodities, equities, fixed income, FX, and cryptocurrency).Manage daily operational tasks, including SOD/EOD position reconciliations, pricing and settlement processes, PnL calculations and reporting, as well as critical intraday monitoring.Establish a comprehensive system of alerts, checks, and reconciliations to maintain data integrity, communicate discrepancies in real-time, and prevent minor issues from escalating.Gain a thorough understanding of all trading execution methods within the firm and contribute to designing a more efficient system for processing fills and distributing positions to traders.Partner with developers to refine databases, trader tools, and position management interfaces.Develop streamlined processes for onboarding new traders, strategies, and products.Conduct insightful data analysis on volumes, fees, margin financing, rebates, and desk ROI, aligning insights with business opportunities.Assess the operational viability of new trades, markets, and exchanges, and address trading obstacles that may impede new business initiatives.

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!

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.

About Five RingsAt Five Rings, we are a pioneering proprietary trading firm that excels at merging strategy, innovation, and technology to thrive in today’s dynamic global markets. With offices strategically located in New York, Boca Raton, London, and Amsterdam, we engage in a diverse range of domestic and international trades, including both established and niche markets. Our dedicated team consistently hunts for new opportunities, evaluates their risks and rewards, and crafts innovative strategies and tools to leverage them.We pride ourselves on fostering an open culture that promotes the sharing of knowledge and ideas across all departments of the firm.About the RoleWe are currently seeking a Trading Operations Engineer to join our New York team of 200 professionals. This role involves providing essential technical operations support for our trading desks in both the US and UK. As a member of the Technology division, you will work closely with the trading desk, embedding yourself in the firm’s technical operations processes. Your responsibilities will be balanced between desk-facing activities and light coding tasks, often in collaboration with our full-time development staff.Key Responsibilities:Serve as the first point of contact for traders utilizing the firm’s trading systems.Install, configure, and monitor critical trading applications.Manage incidents through a ticketing system and maintain comprehensive documentation.Collaborate with developers to optimize all operational processes supporting trading applications.

About Virtu Financial Virtu Financial, Inc. is a technology-driven market maker and liquidity provider. The firm focuses on delivering reliable and efficient trading solutions across global markets. Role Overview: Trading Operations Specialist The Trading Operations Specialist plays a key part in the daily operations of Virtu’s trading activities. This role ensures transactions move smoothly and accurately through the firm’s systems. The position works closely with multiple teams to support and improve operational processes.

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.

Hudson River Trading (HRT) is on the lookout for a talented IT Operations Engineer to become an integral part of our Information Technology team. This key role involves delivering exceptional technical support to HRTers worldwide while spearheading automation and engineering initiatives to enhance scalability and operational efficiency. You will collaborate closely with IT leadership to execute projects, achieve service-level goals, and continuously refine internal processes.We are searching for an individual who flourishes in a dynamic environment and showcases outstanding communication and teamwork abilities. The ideal candidate possesses a positive disposition and a customer-focused approach, ensuring top-notch support to our internal users. This role requires being onsite up to 80% of the time.

Role Overview Compass Pathways is hiring a Director of Trade Operations and Analytics based in New York, United States. This leader will guide the trade operations team, shaping strategies to improve operational efficiency and strengthen analytics across the organization. Key Responsibilities Oversee the development and execution of trade strategies that support company goals and meet industry standards. Lead and mentor the trade operations team, setting clear priorities and fostering collaboration. Work closely with cross-functional teams to inform decisions using data-driven insights. Ensure trade processes are efficient, compliant, and aligned with broader business objectives. What We’re Looking For Extensive experience in trade operations, with a strong grasp of industry best practices. Exceptional analytical skills and the ability to translate data into actionable strategies. Demonstrated leadership experience managing teams and driving results. If you have a talent for using data to improve operations and want to make an impact at Compass Pathways, consider joining us as Director of Trade Operations and Analytics.

Galaxy Digital Services stands at the intersection of digital assets and data center infrastructure, working to advance both finance and artificial intelligence. The firm develops products and services that aim to reshape global value transfer through blockchain and digital asset technology. Galaxy’s platform covers trading, investment banking, asset management, staking, self-custody, and tokenization. The company also operates advanced data centers that support artificial intelligence and high-performance computing, addressing the rising demand for scalable energy and computational power in the United States. With its headquarters in New York City and offices across North America, Europe, the Middle East, and Asia, Galaxy supports institutions, startups, and developers as they navigate the digital economy. The team brings together deep cryptocurrency experience and institutional knowledge under the leadership of CEO and Founder Michael Novogratz. Learn more about Galaxy’s businesses and products at www.galaxy.com. Our Core Values Galaxy values a diverse team of innovative thinkers and high achievers, all working to empower investors and creators in the global economy. The company encourages a culture that values excellence, open feedback, and a mission-driven mindset. Strive for Excellence. Be Selective to Achieve Effectiveness. Maintain High Alignment with Loose Coupling. Engage in Transparent Disagreement. Foster Independent Decision-Making. Create Dream Teams.

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.

Hudson River Trading seeks a Trading Systems Engineer to join the Trading Systems Infrastructure team. This group builds and maintains the technology behind global trading operations. Their work supports high performance and reliability for the ultra-low latency operating systems, automation tools, and development platforms that keep trading strategies running worldwide, around the clock. Role overview The Trading Systems Engineer will help support and improve real-time production trading environments. The work centers on solving challenges that require high availability, high throughput, and ultra-low latency. This role contributes to the development and automation of essential infrastructure components, working alongside a team committed to keeping trading systems operating smoothly at all times. What you will do Support and improve real-time production trading environments Address challenges involving high availability, high throughput, and ultra-low latency Contribute to developing and automating critical infrastructure Collaborate with a team focused on system reliability and uptime Requirements Experience with coding and automation Strong interest in enhancing technology stacks Ability to solve complex technical problems in demanding environments Comfort working where uptime and performance are essential Locations Austin, TX, United States Boulder, Colorado, United States Chicago, Illinois, United States London, United Kingdom New York, NY, United States Seattle, Washington, United States

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 the Position Jane Street is seeking enthusiastic individuals who are ready to leverage their technical, organizational, and communication skills in a dynamic environment as part of our Trading Desk Operations Engineering (TDOE) team. In this pivotal role, you will contribute to the firm’s success by developing and maintaining the desk infrastructure that facilitates the trading of thousands of financial products across 200 venues in over 45 countries. As a Trading Desk Operations Engineer, you will play a multifaceted role in managing the operational aspects of the trading desk’s activities while collaborating with various teams within the firm to ensure precision and efficiency in our operations. Your responsibilities will include: Managing and optimizing infrastructure and operational processes Supporting trading systems and workflows through data queries and stakeholder coordination Designing and implementing innovative solutions to address various trading and operational challenges Communicating with clearing firms and external counterparties to facilitate trade settlement and clearance Our trading desks are at the heart of our collaborative work culture, and we believe that an interactive, hands-on approach is the best way to onboard new talent. You will receive mentorship from experienced TDOEs, traders, and developers as you engage in numerous development and training programs during your initial months. A background in finance is not a prerequisite; we value curiosity and problem-solving skills above all. Your thought process and eagerness to learn are what matter most to us. This role is fundamentally hands-on; you will be instrumental in crafting the tools that enable our firm to function seamlessly and execute trades effectively. By applying your coding expertise, organizational skills, and collaborative problem-solving abilities, you will deliver smart, innovative solutions that enhance our trading operations. At Jane Street, we cherish the notion that great ideas can originate from anywhere, and we are always receptive to fresh perspectives. As you gain experience and hone your expertise, the impact you will have on the firm will only grow. About You We are on the lookout for intelligent individuals who thrive on solving intriguing challenges. What you know is less important than your analytical mindset and learning ability. You should possess: A strong technical foundation with a keen interest in expanding your programming skills The ability to leverage technical knowledge and collaboration skills to achieve effective solutions A flexible and adaptive problem-solving approach A humble attitude regarding your expertise