Director of Infrastructure at Atto Trading | New York

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 Our Team as a Staff Trading Infrastructure EngineerLocation: New York (On-site)Employment Type: Full-timeCompensation: $200K - $250KAt mlabs, a rapidly growing fintech startup, we are crafting a cutting-edge trading application that simplifies access to complex on-chain assets for everyday users. Our platform enables instant access to digital assets, eliminating the hassle of external wallets and bridges, while incorporating advanced social trading features and institutional-grade execution data.Our engineering team is made up of exceptional crypto-native professionals hailing from industry leaders such as dYdX, Uniswap, and OpenSea. With our recent move to a spacious office in Soho, we are looking for a Staff Trading Infrastructure Engineer who will lead the advancement of our trading infrastructure, focusing on transaction speed, MEV prevention, and liquidity routing.Key Responsibilities:Infrastructure Optimization: Drive the development and enhancement of transaction landing infrastructure to ensure unparalleled speed and reliability.Routing & Solvers: Design and implement proprietary routing systems and cross-chain solvers to maximize swap efficiency for our users.Feature Development: Architect and deploy sophisticated trading functionalities, including cross-chain limit orders and custom gas sponsorship infrastructure.Strategic Planning: Proactively identify bottlenecks in existing trading flows and execute technical roadmaps to sustain our competitive edge in a multichain environment.Technical Leadership: Act as a subject matter expert for a nimble team of frontend and backend engineers, upholding high standards for code quality and performance.

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

About KnotAt Knot, we are on a mission to revolutionize the way consumers and businesses interact through seamless merchant and banking experiences. Think of us as the 'Plaid for merchant connectivity.' Our innovative platform is designed to connect merchants with the multitude of applications that enhance everyday transactions. Our flagship product, CardSwitcher, empowers consumers to effortlessly update and manage their payment methods across various online merchant accounts like Netflix and PayPal. Additionally, our advanced solution, TransactionLink, allows for the retrieval of detailed transaction data, paving the way for new product development on our unique merchant connectivity platform. We invite you to join us in building these exciting new solutions!Founded in 2021 by brothers and Thiel Fellows Rory and Kieran O’Reilly, Knot currently facilitates connected online payment experiences for hundreds of thousands of users. Our technology is trusted by industry leaders like American Express, PayPal, Current, BILT, and Step, who integrate Knot’s SDK into their applications to deliver exceptional experiences to their customers.Backed by a distinguished group of investors including Nava Ventures, 8VC, and prominent figures from companies such as Twitter, Warby Parker, and DraftKings, Knot is well-positioned for continued growth and innovation.Working at KnotWe pride ourselves on having a world-class team from diverse backgrounds, with a strong emphasis on engineering talent. As we expand our footprint in NYC, we aim to be at the forefront of the financial services landscape.Our team is dedicated to building exceptional products for our users, balancing a serious approach to our work with a fun and engaging work environment. We believe both aspects are integral to our success.Your RoleDesign, architect, deploy, document, and oversee our cloud-based network infrastructure.Take ownership of critical API infrastructure that handles hundreds of requests per second.Lead technical decisions, providing justification for designs and coordinating with other teams to ensure alignment on values and requirements.Continuously enhance your knowledge of our infrastructure's long-term needs and capabilities.Manage and troubleshoot complex technical issues and incidents, providing support and solutions as necessary.

At Genius Sports, we combine cutting-edge technology with premier live data to revolutionize the sports experience for fans around the globe. Our mission is to create more immersive, interactive, and personalized experiences than ever before. Discover more about us at geniussports.com.The Role - Staff Engineer - Infrastructure Platform We are on the lookout for an exceptional Staff Engineer to spearhead critical projects within our core infrastructure platform. Genius Sports is currently integrating its diverse tech teams and acquisitions under a cohesive technical strategy, and our infrastructure platform is the foundation of this transformation. Our primary objective is to empower engineering teams to efficiently build, deploy, and manage Genius Sports’ extensive product catalog in a consistent manner. In this role, you will collaborate with fellow InfraPlat leaders to define and execute the technical vision and implementation across an array of projects. These initiatives encompass multi-account and region Kubernetes clusters, MLOps, standardized deployment processes, and a centralized authentication platform. You will also engage with stakeholders from product engineering teams to assess requests, identify common challenges, and prioritize initiatives.

Are you an experienced engineer who excels at developing intricate, high-impact applications from the ground up? Do you find joy in leveraging your profound knowledge of trading systems to design robust, enterprise-grade solutions? If you’re eager to work alongside product and design teams in a dynamic environment where your input significantly influences the product, we would love for you to join our innovative team. As a Staff Software Engineer within Ridgeline’s Order Generation team, you will play a pivotal role in crafting our Trade Order Management solution, a core component of our industry-leading cloud platform for investment management. This is your chance to shape the design and development of a foundational product by utilizing modern technologies in a collaborative and creative setting. You will engage hands-on in product architecture, guide fellow engineers, and utilize AI tools such as GitHub Copilot and ChatGPT to enhance development speed, foster innovation, and improve code quality. At Ridgeline, our work culture is as significant as the products we create. Ridgeliners embody ownership, prioritize growth over comfort, and communicate transparently. We embrace positive intent, favor action, and present solutions instead of just problems. We celebrate victories, learn from challenges, and flourish in a resilient, collaborative, high-performing atmosphere. If this resonates with you, we are eager to connect! Note: You must be work authorized in the United States without the need for employer sponsorship.

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.

Join Gauntlet, a pioneer in quantitative research and optimization of decentralized finance (DeFi) economics. We specialize in managing market risk, optimizing growth, and ensuring the economic integrity of protocols that facilitate the majority of spot trading, borrowing, and lending activities within the DeFi space. Our commitment is to protect and enhance the largest protocols and networks, building institutional-grade vaults that provide risk-adjusted on-chain yields for capital at scale, crafted by some of the sharpest quantitative minds in the crypto industry, guided by extensive research.As of November 2025, we proudly manage over $2 billion in total value locked (TVL) across our vaults and optimize risk and incentives for over $42 billion in customer TVL. Our cutting-edge research continuously shapes our risk models, alerts, and analysis, making us one of the most cited institutions in the realm of DeFi, including among academic circles. Operating as a Series B company, we are home to approximately 75 talented employees, embracing a remote-first approach with a primary base in New York City.At Gauntlet, we harness automated risk models and off-chain intelligence to create institutional-grade vaults that deliver scalable, risk-adjusted DeFi yields. Our curated strategies span platforms such as Morpho, Drift, Symbiotic, and Aera, with a robust portfolio of Prime, Core, and Frontier vaults.Our mission is to foster understanding and adoption of future financial systems. We operate with the discipline of seasoned traders and the skepticism of risk managers: sizing trades carefully, applying rigorous stress testing, and executing decisions decisively. We believe that transparency is key: the label, package, and contents must align perfectly, ensuring no surprises—only dependable, predictable vaults.As a Senior Software Engineer on our derivatives trading team, you will play a pivotal role in developing the core infrastructure that powers our product offerings and trading systems. Collaborating with a team rich in experience across technology and finance, you will help build the backbone of our high-performance derivatives trading strategies. This role places you close to trading operations, allowing you to take ownership of critical infrastructure from end to end and to deploy systems that manage real capital in active crypto markets.

Join Privy as a Senior Infrastructure Engineer and play a pivotal role in shaping the future of online privacy and user ownership. Our team is dedicated to creating innovative developer tools that prioritize users, leveraging cutting-edge cryptography to redefine digital ownership. You will collaborate with a passionate engineering team to design and manage robust multi-tenant infrastructures that support billions of requests monthly, ensuring high performance and reliability across our services.

Hudson River Trading is hiring a Junior Trading Systems Engineer to join its Trading Systems Infrastructure team. This group is responsible for designing, building, and maintaining the high-performance infrastructure that supports the firm's global trading operations. The focus is on ensuring reliability and efficiency for ultra low-latency operating systems, automation tools, and platforms that keep trading strategies running around the clock. Key responsibilities Contribute to projects within a real-time trading environment Address challenges that demand high availability, high throughput, and ultra low-latency solutions Support the maintenance and improvement of core infrastructure for global trading systems Assist in developing and automating tools that back trading operations What we look for Strong interest in coding and automation Willingness to learn new skills and technologies to work with a complex technical stack Ability to solve technical problems in a demanding setting Locations Chicago, Illinois, United States London, United Kingdom New York, NY, United States

Join Virtu Financial, a premier financial technology firm at the forefront of modern trading solutions. We harness innovative technology to provide unparalleled liquidity to global markets and deliver transparent trading experiences for our clients. As a market maker, we offer deep liquidity that fosters efficiency in markets across the globe, executing trades in over 19,000 securities at more than 235 venues in 36 countries. Atlas Software Engineer Become a part of our dynamic Atlas Development team, composed of skilled software engineers dedicated to advancing Virtu's client trading infrastructure that supports a diverse client base. In your role as a Software Engineer, you will be instrumental in designing, developing, and maintaining our comprehensive trading infrastructure, which encompasses the entire trading lifecycle including order management, exchange connectivity, smart order routing, internalization, and clearing. Your responsibilities will involve enhancing existing trading systems, as well as improving the scalability, performance, and overall efficiency of our infrastructure. We seek self-motivated and passionate developers who possess a solid technical foundation and a desire to explore advanced technologies and programming languages. Strong communication skills are essential, as the ability to articulate complex technical issues is key to thriving in our collaborative culture. We offer a fast-paced and meritocratic working environment with a flat hierarchy. While a finance background is not required, you will have the opportunity to learn the intricacies of the intersection between trading and technology within the global financial landscape. Our teams are committed to continuous improvement and elevating standards; learning and teaching are fundamental to Virtu’s culture.

Overview Role: Lead Software Engineer - DevOps and Infrastructure On-site role at our New York City headquarters, 5 days a week Annual base salary: $175,000 - $250,000 Equity: Competitive initial equity package along with refreshers Minimum of 3 years of relevant experience required About Stratos Labs Stratos Labs is revolutionizing commodity risk management for the $10 trillion physical economy. Our innovative platform merges real-time market data with AI-driven exposure modeling and automated trade generation, empowering operators with precise tools to manage volatility. From instantaneous trade execution to ongoing monitoring, alerts, and actionable recommendations, Stratos Labs transforms complex market risks into a seamless, always-on hedging solution. Founded in 2023 by a former macro market-maker from Barclays and a trading systems engineer from Coinbase, we have successfully raised over $20 million in funding from esteemed investors including Andreessen Horowitz (a16z), Crucible Capital, Neo, and DST Global. Key Responsibilities Manage and Optimize AWS Cloud: Take complete ownership of our AWS environment, architecting, scaling, and optimizing our cloud infrastructure to enable new services while ensuring it is cost-effective and integrated with our core trading systems. Infrastructure Architecture: Lead the transition to a full Infrastructure as Code (IaC) model by developing a sophisticated Terraform stack that eliminates manual configurations. Security and Compliance: Act as the gatekeeper for our environments, managing container security, CVE remediation, and ensuring compliance with SOC2 standards without hindering team productivity. Observability Strategy: Design a comprehensive monitoring strategy to proactively identify bottlenecks before they lead to outages. CI/CD Pipeline Refinement: Enhance our GitHub Actions and CI/CD workflows to streamline the process of deploying Go, C++, and TypeScript services from commit to production. Reliability and Incident Response: Participate in on-call rotations, conducting thorough post-mortems to ensure that recurring issues are resolved effectively.

Role overview Braze, Inc. is hiring a Senior Staff Platform Infrastructure Engineer based in New York City. This position centers on designing and improving the core infrastructure that supports Braze’s products and services. The engineer will guide complex technical projects and partner with teams throughout the company. What you will do Design and enhance platform infrastructure to strengthen Braze’s offerings Take the lead on technical projects, managing them from initial planning through execution Work closely with colleagues across departments to deliver reliable and scalable solutions Share ideas and technical knowledge to help drive improvements and innovation in the platform

Role Overview Squarepoint Capital is seeking a Lead Trading Infrastructure Support Specialist to guide its global Trading Infrastructure Support (TIS) team. This leadership role focuses on keeping essential infrastructure, systems, and application services highly available across APAC, EMEA, and AMER regions. The position can be based in Montreal, London, New York, or Singapore. What You Will Do Manage a 24x5 global support schedule, including participation in a weekend on-call rotation. Set policies, processes, roadmaps, and best practices that align with service-level agreements and support business growth. Work with service teams to build automation, self-service tools, and runbooks. Ensure the team is trained and equipped to remove obstacles and improve efficiency. Identify and resolve workflow and operational inefficiencies before they impact the business. Lead and coordinate technical projects and initiatives across the global support team. Take a hands-on approach to troubleshooting and lead recovery efforts during major outages to reduce business disruption.

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!

Harvey develops AI-driven solutions for legal and professional services, serving over 1,000 organizations in more than 60 countries. The company is growing rapidly and has strong support from leading investors. Harvey’s team values ownership, quick decision-making, and close collaboration. Engineers work side by side with leadership and customers to address practical challenges. The company operates in person in New York City and provides relocation support for new hires. Role overview The Staff Software Engineer - Core Infrastructure joins a team responsible for designing, building, and scaling Harvey’s core infrastructure. This platform handles billions of prompt tokens and millions of daily requests, forming the backbone of Harvey’s global legal AI services. The work involves both creating new systems and maintaining high operational standards. Reliability, scalability, and security are central as Harvey continues to expand its reach among top law firms and professional service providers. This is a full-time, in-person position based in New York City. Relocation assistance is available. What you will do Design and build scalable, fault-tolerant infrastructure systems that support Harvey’s AI platform across multiple cloud regions. Take ownership of and improve multi-cloud infrastructure (Azure, GCP), focusing on Kubernetes orchestration, networking, and container management. Lead technical projects in areas such as observability, incident response, and performance optimization.

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 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.