OTC Crypto Trader

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.

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.

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 KalshiKalshi is pioneering a groundbreaking sector in finance: prediction markets. Our platform empowers individuals to trade on the outcomes of various events, transforming any future question into a financial opportunity. After years of advocacy, we successfully legalized prediction markets in the U.S., establishing ourselves as the fastest-growing financial market in the nation, with thousands of markets spanning politics, economics, finance, weather, technology, AI, culture, and beyond.We envision a world where prediction markets become the largest financial marketplace globally, enabling anyone to engage and invest in the future.Our vision: To construct the largest financial market on Earth.Our mission: To bring greater truth to the world through the power of markets.At Kalshi, our culture revolves around hiring exceptional talent, fostering hard work, and enjoying the journey together. We seek ambitious and remarkable individuals to join our compact team and help build the next generation of financial markets.Your RoleAs a vital member of Kalshi, you will be instrumental in crafting a next-generation financial ecosystem—akin to the NYSE or CME—starting from the ground up. You will engage with various platforms, including core exchange systems, clearinghouses, API infrastructure, and broker connectivity. In our agile team environment, your responsibilities will scale quickly, making your contributions significant and visible.Key ResponsibilitiesDevelop order matching and trade execution algorithms and data structures.Create high-performance data feeds and trading APIs for clients.Design robust clearing systems with high availability, including margining and collateral management.Lead integration efforts with external market makers, brokers, and hedge funds.Conduct stress tests on large-scale systems to ensure their durability and maintainability.Optimize database access patterns and service algorithms for enhanced performance.Innovate new market structures, including non-binary markets and futures.Maintain close contact with customers to define features, launch products, and iterate based on feedback.Deliver rapid and quality deployments, ensuring high standards in your work.

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 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.

ABOUT US:Established in 2020, Regal Voice is the leading AI Agent Platform empowering businesses to enhance customer communication through innovative AI Agents. Our platform connects seamlessly to your data, allowing for easy customization, monitoring, and 24/7 availability to take action. We help businesses improve their support, sales, and operational processes with significantly reduced effort. Our founders, Alex Levin and Rebecca Greene, previously scaled Angi (Angie's List, HomeAdvisor, and Handy) to over $1.5 billion in revenue.Located in Manhattan, we foster a vibrant in-person culture of entrepreneurs driven to create meaningful impact. Supported by top-tier investors like Founder Collective, Homebrew, and Emergence Capital, we invite you to be part of our journey.Join us in crafting a category-defining company and follow Regal's company page on LinkedIn to stay updated on our journey and current job openings!We are growing rapidly, and our achievements reflect our commitment:- Collaborating with enterprise brands such as Google, AAA, Ro, and Coursera- Raised $82 million from leading investors including Emergence and Homebrew- Completed over 250 million calls- Generated $7 billion in revenue for our customers- Achieved significant scaling with $## ARR- Cultivated an exceptional in-office culture in Midtown NYCABOUT THE ROLE:We are seeking a highly skilled Senior DevOps / Platform Engineer to architect and manage our internal platform that enables our engineering teams to deliver software quickly, safely, and reliably.This position transcends traditional infrastructure management; you will develop systems that automate deployment, observability, scaling, and incident response, making these processes increasingly self-service for our product teams.A crucial aspect of this role is supporting our AI-native engineering strategy by providing the tools, environments, and workflows that empower our engineers to work efficiently with AI coding assistants and agentic workflows at scale.OUR STACK:Cloud: AWSCompute: ECS Fargate, Lambda, Event-Driven Services...

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.

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!

Verve For Advertisers helps brands and agencies reach audiences at pivotal moments, using a combination of on-site search intent data, direct SDK integrations from top apps, and partnerships with over 3 million websites and LLMs. Their platform focuses on understanding both consumer actions and motivations, supporting precise audience targeting and actionable insights across a wide range of channels. Role overview This contract Platform Engineer position sits within the dev ops team. The role centers on supporting, managing, and scaling a variety of technical projects. Flexibility is built in: work fully remote from anywhere in the US or abroad. Collaboration with the US-based engineering team during their business hours is required. Key details Title: Platform Engineer Type: Contract Location: Remote (US or international) Collaboration: Availability during US business hours is essential

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.

Join a dynamic team as a Senior DevOps Engineer at a premier SaaS platform located in the heart of Manhattan, New York City. We offer a competitive base salary ranging from $160,000 to $190,000, commensurate with your expertise. This hybrid role requires you to be on-site three days a week while allowing for two days of remote work. You will have the autonomy to take charge of our cloud infrastructure, deployment pipelines, and monitoring systems.Essential SkillsProficiency in AWS (including Lambda, CloudFormation, Step Functions, S3, ECS, EFS, Route 53, and CloudFront), Azure DevOps (CI/CD, Repository, and Account Management), Datadog (Monitoring, Alerting, and Incident Response), and automation using Bash and PowerShell.Key ResponsibilitiesTake full ownership of the AWS serverless stack and optimize our infrastructure for peak performance.Design and manage Azure DevOps pipelines while overseeing account-level users and permissions.Proactively troubleshoot infrastructure issues from start to finish, ensuring reliability prior to production deployments.Lead efforts in observability with Datadog to establish advanced monitoring frameworks.Strive for operational excellence, targeting reduced incident rates and uncovering cost-saving measures.Collaborate with engineering teams to guarantee that new services are both production-ready and innovative.

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.

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.

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

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

About YouAs a Senior Platform Engineer at Copia Automation, you are a problem-solver who thrives on tackling challenging, unique, and impactful projects alongside passionate team members. Your expertise spans Site Reliability Engineering, DevOps, and Infrastructure Engineering, allowing you to take ownership of technical projects and provide invaluable thought leadership.In this role, you will make critical architectural decisions, mentor fellow engineers, and influence the technical trajectory of our products. Working in the industrial automation sector, you will delve into a range of topics that are rarely encountered in conventional software engineering roles. About UsCopia Automation is at the forefront of providing cutting-edge disaster recovery technology for the industrial automation landscape. Our innovative product suite introduces modern developer tools to the operational technology (OT) space, including a unique Git-based source control solution tailored for automation professionals. We are a well-funded startup with a rapidly expanding customer base within the industrial sector. Why Choose Industrial Automation?The manufacturing industry is heavily reliant on industrial automation, utilizing computerized systems and robotics operating on Programmable Logic Controllers (PLCs). This domain employs a distinctive graphical language that does not align with standard developer tools like GitLab or GitHub, leading automation professionals to depend on outdated storage methods and partial solutions. With significant downtime costs, there is a pressing demand for improved development tools. Engineering Culture at CopiaOur engineering team thrives on collaboration, experimentation, and a sense of ownership. We tackle complex challenges together, testing our assumptions and valuing practical solutions that balance immediate needs with long-term objectives. We maintain an optimistic outlook, celebrating our achievements and supporting one another through unforeseen obstacles.