Senior Frontend Software Engineer

Join Virtu FinancialAs a pioneering leader in financial technology, Virtu Financial harnesses state-of-the-art technology to provide liquidity to global markets. We pride ourselves on delivering innovative and transparent trading solutions, along with industry-leading analytics tools to our clients. As a market maker, Virtu plays a pivotal role in enhancing market efficiency by offering deep liquidity across more than 19,000 securities at over 235 venues in 36 countries worldwide.We foster a dynamic, meritocratic environment characterized by a flat organizational structure. A background in finance is not required, making this an excellent opportunity for aspiring professionals eager to embark on a career in financial technology.YOUR ROLEWe are seeking a talented Software Engineer specializing in C# to join our Triton Development team. Our mission is to build a cutting-edge, multi-asset class Execution Management System that is revolutionizing the investment processes of the world’s largest hedge funds and institutional investors. The Triton Execution Management System is a global, broker-neutral platform that integrates Virtu’s innovative liquidity, execution, analytics, and workflow solutions into a cohesive and customizable interface.The Triton Development team is composed of highly skilled software engineers who are passionate about delivering exceptional software. In this highly visible role, you will:Enhance the scalability and performance of C# software components and user experiences through Agile methodologies.Contribute by assessing and recommending new technologies and optimal designs for next-generation features.Collaborate effectively with team members across various departments.Manage multiple concurrent projects while swiftly adapting to changing priorities.

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 Sonsoft Inc. as a .Net Software Engineer and take your career to the next level! We are looking for talented individuals who are passionate about developing high-quality software solutions. You will work in a dynamic team environment, contributing to the design, development, and implementation of .Net applications that meet our clients' needs.

Trexquant is a systematic fund in New York specializing in quantitative finance. The firm’s team brings together researchers and engineers who focus on advancing its quantitative platform and trading operations. Role overview The C++ Trading and Simulation Engineer will be part of Trexquant’s technology group. This role centers on building and enhancing trading systems and analytics platforms that underpin the firm’s algorithmic strategies. What you will do Collaborate with quantitative researchers and traders to design, implement, and optimize high-performance systems for algorithmic trading. Develop and maintain infrastructure for trading simulations, including data pipelines and low-latency execution platforms. Contribute to the ongoing development and improvement of tools supporting trading and research. Requirements Extensive experience with C++ development. Background in building scalable, low-latency, high-throughput systems. Demonstrated ability to develop and maintain complex infrastructure for trading or related applications. Location This position is based in New York, NY.

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 ClayAt Clay, our mission is to empower organizations to transform their growth aspirations into tangible successes.We believe that growth is a creative endeavor rather than a mere formula. Identifying and engaging your ideal customers necessitates innovative thinking and ongoing refinement. In a landscape where AI accelerates execution and makes strategies easily replicable, creativity stands as the ultimate differentiator. We proudly support a diverse array of clients — including Anthropic, Notion, Google, and Ramp — in their market journeys through unique data insights, signals, and AI-driven research.In 2025, we achieved a remarkable milestone of $100M in revenue and secured a $100M Series C at a $5B valuation, supported by top-tier investors such as Sequoia, CapitalG, and First Round. Our commitment to our stakeholders is evident as we completed our second employee tender offer and initiated a community equity round for our customers, agency partners, and club members.Here are some key insights about our organization:Our community comprises over 11,000 customers, 150+ integration partners, 125+ agencies, 50+ Clay clubs, and 30,000 members on Slack.Our unique culture fosters creativity both in and outside of work. Our team is comprised of DJs, activists, writers, clowns, marathon runners, skydivers, psychedelic therapists, social workers, and much more.All employees have access to complimentary sessions with world-class coaches specializing in creativity, management, and other fields.Our operating principles — including negative maintenance and non-attached action — inform our workflow. Discover more about them here.For more insights about our company, check out our feature in the New York Times.

Role overview Trexquant Investment LP is hiring an experienced Software Engineer in New York to focus on high-frequency trading systems. This position centers on developing and refining high-performance infrastructure that supports independent trading activities. The work brings together collaboration with researchers and technologists and the autonomy to deliver solutions that directly affect trading performance. What you will do Design and optimize short-term trading signals for high-frequency strategies. Enhance trading workflows to improve scalability and reduce latency. Write clean, maintainable, and well-tested C++ code for real-time trading applications. Analyze and improve system performance, focusing on software and Linux environments. Collaborate with researchers and technologists to bring new concepts into production, while also managing projects independently with minimal supervision.

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.

Join our innovative team at hifi as a Frontend Software Engineer, where you will play a critical role in developing cutting-edge web applications. You will collaborate with designers and backend engineers to create seamless user experiences and responsive interfaces that meet the needs of our clients.

Join our dynamic team at 360 IT Professionals as a skilled Developer specializing in Java and C#.Net. We are looking for passionate individuals who are eager to contribute to innovative projects and enhance our software solutions. You will be involved in all phases of the software development lifecycle, from requirements gathering to deployment and maintenance.Your expertise will help us drive the development of high-quality applications and systems that meet our clients' needs. Collaborate with cross-functional teams and leverage your knowledge of Oracle databases to create robust solutions.

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 our dynamic team at Sonsoft Inc. as a .NET Developer! In this role, you will be instrumental in developing and maintaining high-quality software solutions. We are looking for innovative thinkers who thrive in a collaborative environment.

Join Thread AI as a Frontend Software EngineerAt Thread AI, we are dedicated to revolutionizing the way enterprises and public sector agencies harness the power of AI through our innovative AI-native workflow orchestration engine. We are expanding our dynamic team and seek passionate individuals to contribute to our mission of simplifying infrastructure and maximizing AI potential.Based in the vibrant city of New York, our team comprises AI, product, and engineering professionals with extensive experience in crafting and implementing sophisticated workflows and infrastructure solutions.Our Engineering CultureWe pride ourselves on being a tight-knit, dedicated technical team that encompasses engineering, research, design, product development, and operations. Our philosophy revolves around the belief that a compact, collaborative team can innovate and deliver superior products more effectively than larger, hierarchical organizations.Role OverviewWe are on the lookout for a seasoned frontend engineer who thrives in a collaborative and iterative environment. You will play a vital role in delivering our technology to users worldwide, ensuring safe and reliable deployment. We value curious and creative individuals who excel at problem-solving and are eager to contribute in a fast-paced, ownership-driven atmosphere. Additionally, we seek team members who prioritize meaningful interactions among developers, subject matter experts, technology, and the community.

We are seeking a talented and motivated C# Developer to join our team, specializing in Trading Systems. In this role, you will be instrumental in building advanced Risk Management Systems and enhancing our trading capabilities.Key Responsibilities:Develop and maintain server-side applications using C#.Contribute to building robust Risk Management Systems.Utilize your expertise in financial trading, focusing on non-regulatory risk management.Work closely with market data and trade data in an investment banking environment.Visualize risk information and controls effectively.Engage with SQL Server or SQL Analysis Services.

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

Join Airgoods as a Frontend Software EngineerAirgoods is revolutionizing food and beverage distribution.We empower emerging brands, such as Fishwife, Ghia, and David Protein, to grow their wholesale business and secure placements in the nation’s premier specialty food retailers.Founded in January 2023, we have successfully raised $7M from esteemed investors including Y Combinator and Initialized Capital. Our team operates fully in-person, with our office located near Madison Square Park in New York City. Meet Your Future TeamPaolo (Co-founder and CTO): A Yale alum with a background in Computer Science and Economics, Paolo has previously engineered software at his brother’s startup Momence (YC S20) and is a sports enthusiast.Elian (Co-founder and COO): Another Yale graduate, Elian brings experience from his time at a VC fund and a passion for soccer.Aaron (Co-founder and CEO): With a strong background in economics and experience in wholesale distribution, Aaron is committed to driving Airgoods' vision forward.Join us and work alongside our talented engineering team to shape the future of food distribution.

Join Highbeam, the trailblazer in business banking and cash management.Our innovative platform merges cutting-edge AI agents, automated financial workflows, and seamlessly integrated financial products, all designed to optimize time and cost for brands.We are proud to support customers who have generated billions in sales, including renowned brands like Cuts, Tushy, NYON, Sabah, Still Here, Alice Mushrooms, Original Grain, and birddogs.Our team features accomplished professionals from top companies like Shopify, Square, Toast, Rippling, and McKinsey.With $42M in equity raised from esteemed investors such as Acrew, FirstMark, Mayfield, and Two Sigma Ventures, we are positioned for significant growth.About the RoleWe are seeking a talented Frontend Engineer dedicated to delivering features that are both functional and enjoyable for our users.Our technology stack includes Kotlin, TypeScript / React, Python, PostgreSQL, Terraform, and Google Cloud.This position is an in-person role based in New York or Toronto.Your ResponsibilitiesEnhance our existing React application and develop new featuresAct as the frontend specialist for your peers, assisting in debugging frontend challengesUtilize a modern frontend stack, including react, typescript, vite, storybook, react-router-dom, and radix-ui

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.

Jump Trading Group brings together experts in mathematics, physics, and computer science to push the boundaries of research in finance and technology. The company values collaboration, creativity, and intellectual honesty, encouraging team members to challenge themselves and each other while working toward shared goals. Research at Jump not only drives strong returns but also leads to technologies that support startups and research partnerships across industries. About the Core Development Team The Core Development team designs, builds, and maintains the advanced trading platforms that power Jump’s business. This group spans multiple locations and combines software and hardware engineering, data science, and research. Projects range from improving the core trading engine to developing custom hardware, all with the goal of supporting trading operations and strategic objectives. What You Will Do Design, build, and test systems and tools that keep Jump’s trading business moving forward Work closely with traders, quantitative researchers, and fellow technologists to solve complex technical problems Tackle challenges involving CPU architecture, operating systems, networking, and hardware integration Who We’re Looking For Strong problem solvers with a passion for technology and curiosity about how things work Comfortable working in a high-energy setting and collaborating with a diverse team Interest in both software and hardware engineering Locations Roles are available in Chicago, New York, and Austin.