Lead Trading Systems Engineer

Role overview Keyrock seeks a Lead Engineer to oversee the Options Engineering team in New York. This role centers on systematic options trading, with responsibilities that include building and refining trading infrastructure as well as enhancing the options trading platform. The team’s scope includes automated quoting, execution, risk management, pricing workflows, and maintaining the reliability of production systems. What you will do Guide the Options Engineering team in developing and improving the systematic options trading platform Drive efforts in automated quoting, execution, and risk management Support pricing workflows and ensure production reliability Requirements Proven experience leading engineering teams, particularly in trading or financial technology Strong interest in advancing automated trading systems and platform reliability Located in a European time zone or the US East Coast About Keyrock Founded in 2017, Keyrock is a market maker and digital asset firm with a team of over 200 professionals representing 42 nationalities. The company operates primarily remotely, with hubs in New York, London, Madrid, Brussels, Singapore, and Paris. Collaboration takes place both online and in person, supporting a diverse and connected team. Keyrock’s services include market making, options trading, high-frequency trading, OTC and DeFi trading desks, and asset and wealth management. The company aims to grow into a full-service capital markets and asset management institution through organic growth and strategic expansion.

Keyrock seeks a Director of Engineering to lead its Options Trading engineering group. This role centers on systematic options trading, with a focus on advancing the trading platform and strengthening the underlying infrastructure. Role overview The Director will guide the Options Engineering team, providing leadership and technical direction. The position involves hands-on oversight of both the team and the systems that power automated options trading at Keyrock. What you will do Lead and mentor the Options Engineering team, supporting professional growth and collaboration Oversee improvements to automated quoting and execution strategies for options trading Develop and maintain risk management controls and pricing workflows Ensure production systems remain reliable and perform at a high level Location This position is open to candidates based in European time zones or on the US East Coast.

Join our dynamic team at Jane Street as an Exotic Options Trader, where you will engage in high-stakes trading activities on a global scale. Your role will involve analyzing complex financial instruments, executing trades, and strategizing to maximize profits while managing risk. We seek individuals with a passion for finance and a keen analytical mind.

Trexquant is on the lookout for a seasoned quantitative researcher to spearhead our Systematic ETF Strategy Team. In this leadership role, you will guide a team of dedicated researchers focused on the design, execution, and trading of systematic ETF-based strategies, all within Trexquant’s robust quantitative framework. Your vision and expertise will be pivotal in scaling ETF strategies into a significant asset class for our firm.Key ResponsibilitiesLead and mentor a team of researchers, driving the expansion of ETF capabilities through the identification of innovative data sources, signals, and strategies.Oversee the development, backtesting, and implementation of systematic ETF trading strategies.Collaborate closely with the development team to enhance the performance, robustness, and scalability of our ETF simulation and trading infrastructure.Work in partnership with execution and financing teams to optimize trade execution and improve capital efficiency.Engage with the risk management team to establish monitoring frameworks, controls, and capital allocation processes specifically tailored for ETF exposures.Present ETF research initiatives and progress updates to senior management, ensuring alignment with the firm’s overarching trading and investment strategies.Qualifications5+ years of demonstrated experience in researching and trading quantitative ETF-based strategies.A Bachelor’s, Master’s, or Ph.D. in Mathematics, Statistics, Computer Science, or a relevant STEM field.Proven leadership experience in managing quantitative research teams.Strong quantitative, analytical, and problem-solving capabilities.Expertise in Python; familiarity with large-scale data analysis and backtesting frameworks is advantageous.BenefitsCompetitive salary with performance-based bonuses.A collaborative, casual, and friendly work environment.Comprehensive health, dental, and vision insurance fully covered for you and your dependents.Pre-tax commuter benefits.Weekly catered meals.Applications are currently being accepted for our NYC office, set to open in September 2026.The base salary range is $130,000 to $200,000, dependent on the candidate’s educational and professional background. The base salary is only one component of Trexquant’s total compensation, which may include discretionary and performance-based bonuses.Trexquant is an Equal Opportunity Employer.

Galaxy Digital Services stands at the intersection of finance and technology, focusing on digital assets and data center infrastructure. The company develops products and services that support advancements in blockchain, digital asset trading, and artificial intelligence. With a platform that includes trading, investment banking, asset management, staking, self-custody, and tokenization technology, Galaxy Digital works with institutions, startups, and developers as they navigate the evolving digital economy. Headquartered in New York City, Galaxy Digital maintains a presence across North America, Europe, the Middle East, and Asia. The team brings together deep cryptocurrency knowledge and institutional experience, working under the leadership of CEO and Founder Michael Novogratz. The company also invests in and operates data centers designed for AI and high-performance computing, addressing the growing need for scalable energy and computing solutions in the United States. Our values Galaxy Digital’s culture centers on high performance, transparency, and a mission-first approach. The team values feedback, independent thinking, and collaboration. Individuals who thrive here are comfortable making decisions autonomously and contributing to exceptional teams. Pursue Excellence. Be Selective for Effectiveness. Align Closely, Operate Independently. Engage in Transparent Disagreement. Encourage Autonomous Decision-Making. Build Exceptional Teams. To learn more about Galaxy Digital’s businesses and products, visit www.galaxy.com.

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 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

Join Hudson River Trading (HRT) as an Options Compliance Officer within our dynamic Americas Compliance team in New York City. Reporting directly to the Americas Chief Compliance Officer, you will play a crucial role in ensuring compliance across all facets of HRT's U.S.-listed options and futures operations.The ideal candidate will possess extensive knowledge of U.S.-listed options and futures trading regulations, as well as an understanding of the intricate technical aspects of algorithmic and high-touch proprietary trading and market-making activities.

Join the Institutional Fabric of the Digital Asset MarketFounded in 2018, Talos Trading is at the forefront of providing institutional-grade trading technology for the global digital asset market, empowering leading entities within the crypto ecosystem. Our mission is to facilitate the widespread adoption of digital assets by effectively connecting institutions to the digital asset landscape. We are dedicated to creating the most innovative and reliable platform globally, supporting every aspect of the trading lifecycle.At Talos, we cultivate an environment that promotes kindness, respect, and inclusivity. We value diverse perspectives and believe that each team member contributes unique insights that propel Talos forward. Our culture is built on trust, integrity, collaboration, and collective growth.Our team is a close-knit, globally distributed group of seasoned engineers and business leaders, with offices in New York, London, Singapore, and Cyprus. In our hybrid-friendly setting, whether working from the office or remotely, your individual skills and insights will be essential in building something exceptional.Client Services Engineer RoleWe are seeking a seasoned client-facing engineer who will play a pivotal role in supporting our customers within a dynamic, 24/7 global digital asset trading environment. This essential position will contribute significantly to client success and the overall stability of our trading systems.

Virtu Financial is a premier financial services firm that utilizes advanced technology to provide liquidity to global markets and innovative, transparent trading solutions for our clients. As a market maker, Virtu contributes significantly to the efficiency of markets worldwide by offering deep liquidity. Our expertise in market structure, comprehensive diversification, and cutting-edge execution technology allows us to present competitive bids and offers across more than 19,000 securities at over 235 venues in 36 countries globally. Our complementary core offerings—market making, client execution services, and trading venues—equip Virtu with a distinct competitive edge in the development and application of innovative tools that enhance operational efficiency and performance throughout the organization. We are continuously advancing our technology, trading strategies, and risk management systems to drive superior, scalable trading platforms. We are seeking an experienced Quantitative Strategist to elevate our technological capabilities in the options trading domain. Quantitative Strategist - Options Desk ROLE OVERVIEW As a Quantitative Strategist on our Options desk, you will work alongside a team of seasoned traders, quants, and developers in a collaborative and collegiate environment that promotes global cross-team engagement. KEY RESPONSIBILITIES Utilize your expertise to design new predictive models, generate actionable signals, and transform them into effective trading strategies. Collaborate with the team to implement and integrate new signals into our existing trading infrastructure. Calibrate strategies across various products and adapt to evolving market conditions. Partner with traders to refine existing processes and systems. Employ observational skills and modern statistical techniques to construct effective predictive models. Research and implement innovative volatility trading strategies and signals. Analyze and optimize current strategies to enhance performance metrics. Develop advanced risk models and frameworks to manage cross-product portfolio risks in volatile market conditions.

IEX Group, Inc. is a technology-driven exchange based in New York, dedicated to making capital markets more transparent and fair. Since 2012, the company has focused on investor protection and competitive trading through its proprietary systems and market expertise. Role overview The Market Operations Specialist - Options will join IEX’s Market Operations team to support the daily functions of the options trading desk. This position centers on the U.S. options market and involves both operational and technical responsibilities. What you will do Support the day-to-day operations of IEX’s options trading systems Work with external market participants to improve access to the IEX market Collaborate with product, technology, and regulatory colleagues across IEX Analyze trading data and participate in automation projects Requirements Understanding of U.S. options market structure Programming and automation skills Experience with data analysis Background supporting complex technology systems Ability to stay composed and effective in high-pressure trading situations Strong teamwork and collaboration skills Interest in technology, trading systems, and data This position suits someone who values collaboration, enjoys working with technology, and is eager to contribute to a team focused on market operations.

IEX Group, Inc. is a technology and exchange company based in New York, dedicated to improving capital markets through transparency and competition. Since 2012, IEX has developed a securities exchange that prioritizes investor protection and distinctive market structure, applying proprietary technology and market expertise across multiple asset classes. Role overview The Senior Market Operations Specialist - Options will join the Market Operations desk in New York. This senior-level position centers on supporting IEX’s options market, combining expertise in U.S. options, programming, automation, and data analysis. The role requires a steady hand during periods of high activity and a collaborative approach to problem solving within a technology-driven trading environment. What you will do Support the daily operations of IEX’s options market, maintaining smooth and reliable performance Engage directly with IEX Member firms and industry participants to enhance market access and understanding Work closely with internal teams, including product, technology, and regulatory groups Use programming and automation skills to streamline workflows and analyze market data Requirements Extensive knowledge of U.S. options market structure Proficiency in programming, automation, and data analysis Experience supporting advanced technology systems in trading or financial markets Ability to stay calm and focused under pressure Strong teamwork and communication skills Interest in technology, trading systems, and data-driven problem solving This position provides the opportunity to collaborate with a variety of internal teams and external partners, contributing to IEX’s mission of advancing transparency and fairness in the financial markets.

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.

Trexquant seeks a Lead Trading Systems Engineer in New York to strengthen the core platforms behind the firm's trading and research activities. This position focuses on building, refining, and scaling the systems that underpin strategy development, simulation, and execution. Collaboration with quantitative researchers and engineers is central to expanding simulation and execution capabilities. Main responsibilities Design and enhance infrastructure supporting trading, research, and operations, integrating closely with the Order Management System (OMS). Develop a high-performance simulation and backtesting platform for equities, futures, fixed income, and derivatives, supporting research and strategy deployment. Analyze and improve existing systems, addressing performance bottlenecks and strengthening scalability, security, and reliability. Partner with quantitative researchers and cross-functional teams to align technical direction with infrastructure goals, including accurate modeling of market conditions and execution behaviors. Build and optimize data and compute infrastructure for low-latency, high-throughput processing of large-scale market data for both simulation and live trading. Advance caching, time-series data management, and distributed computation to ensure modular, scalable simulation and backtesting frameworks. Lead development, integration, and deployment of systems and tools using C++ and Python in Linux environments. Mentor engineers and researchers, offering technical guidance and keeping up with new technologies and industry standards. Location This position is based in New York, New York, United States.

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.

Join the Options Graduate and Placement ProgrammeLocation: New YorkSalary: CompetitiveWhy Work with Options?At Options, we prioritize the development and engagement of our employees as a critical component of our business strategy. We are on the lookout for ambitious and driven individuals who are eager to learn and enhance their skills in the dynamic field of financial technology.About UsOptions is the largest global financial technology firm based in Belfast, leading the charge in banking and trading infrastructure. We cater to clients worldwide, with offices in New York, Chicago, Toronto, London, Cambridge, Paris, Hong Kong, Tokyo, Singapore, and Auckland. Our services are integral to the latest global tech innovations, including high-performance Networking, Cloud Solutions, Security, and Artificial Intelligence.Why Choose Options?Global travel opportunities across our various offices.Continuous career development through professional skill enhancement and technical training.Become part of a dynamic and successful team working in a fast-paced environment with a focus on innovation.Receive a competitive salary along with bonus incentives and comprehensive employee benefits.Role OverviewThe position is full-time and based in New York initially, with potential opportunities to work from other company locations.

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.