Senior QA Engineer (Trading Tech)

At Jump Trading Group, we are dedicated to pioneering world-class research. Our mission is to empower brilliant minds in Mathematics, Physics, and Computer Science to explore scientific frontiers, break through them, and apply cutting-edge research to transform global financial markets. Our unique culture thrives on constant innovation, encouraging fearlessness, creativity, intellectual honesty, and a relentless competitive spirit. We believe in winning as a team and unlocking individual talents through collaboration and mutual respect. At Jump, the outcomes of our research extend beyond just superior risk-adjusted returns; we design, develop, and implement technologies that impact the world, fund startups across various sectors, and collaborate with leading global research organizations and universities to tackle complex challenges.Our trading teams are composed of a vibrant mix of traders, quantitative researchers, and software engineers who collaborate to analyze global markets, striving to understand the intricacies of various traded products and exchanges. They employ exceptional statistical analysis and data mining techniques, leveraging their research to predict market trends and develop profitable trading models.

Join the Institutional Fabric of the Digital Asset MarketFounded in 2018, Talos delivers cutting-edge trading technology for institutional clients in the global digital asset market, empowering key players in the cryptocurrency ecosystem.At Talos, we are driven by a clear mission: to facilitate the widespread adoption of digital assets by seamlessly connecting institutions to the digital asset ecosystem. Our commitment is to develop the most innovative and trusted platform that supports the entire trading lifecycle.Our workplace fosters an environment of respect and kindness, cherishing diverse perspectives and promoting inclusivity. Every team member contributes unique insights that propel Talos forward, and we believe in a culture of trust, collaboration, and mutual growth. Together, we are ambitiously building something remarkable, where your skills and insights are vital to our collective success.Our team is a close-knit yet decentralized group of accomplished engineers and business professionals, operating in a hybrid-friendly setting, with physical hubs in New York, London, Singapore, and Cyprus.Role OverviewAs a Software Engineer within our Trading Connectivity team, you will be responsible for designing, developing, and maintaining high-performance backend systems that interface with our extensive network of liquidity providers. You will collaborate closely with product managers, trading support, other engineering teams, and clients to facilitate the integration and support of new liquidity providers into the Talos network. Your contributions will be pivotal in enhancing the scalability, reliability, security, and performance of our platform while managing the complete integration process from requirements gathering to deployment.

Join Us as a Principal Software Engineer - Trade & BlockchainAre you ready to make a significant impact in the world of finance and blockchain technology? As a Principal Software Engineer at grvt, you will lead the development of critical production code within our complex platform, ensuring high reliability and operational excellence.Your ResponsibilitiesDevelop and manage high-stakes production code in the most intricate and essential areas of our platform.Oversee system performance in production, particularly during challenging scenarios like failures and high-stress conditions.Navigate through ambiguous problem spaces, clearly defining constraints and potential risks.Proactively identify and mitigate technical, operational, and product risks through thoughtful design and operational discipline.Simplify complex systems by removing unnecessary complexities and unsafe patterns.Establish technical direction through reference implementations and sustained ownership of key systems.Serve as a technical mentor by providing insightful code reviews and leading design discussions.Impact product and technical decisions through a deep understanding of system behaviors and long-term trade-offs.Actively engage in incident responses, ensuring improvements through thorough root-cause analysis.Elevate standards for correctness, reliability, and operational excellence.Qualifications We SeekWe are on the lookout for outstanding individual contributors who excel in our core competencies and leverage their unique strengths effectively.You should possess:A proven history of owning and advancing complex, production-critical systems.Exceptional engineering judgment in high-risk or uncertain environments.A strong understanding of failure modes, edge cases, and consequential effects.Robust operational ownership, including designing for observability and recovery.The talent to simplify complicated systems while maintaining essential correctness and safety.A track record of influencing others through code quality and technical credibility.

As the Head of Trading Engine at Gate.io, you will play a pivotal role in shaping our trading infrastructure. You will lead a talented team of engineers and developers to enhance our trading platform, ensuring scalability, reliability, and performance. Your expertise will be crucial in implementing innovative trading strategies and technologies that drive our market presence.

About WintermuteWintermute is a leading crypto-native algorithmic trading firm specializing in digital assets. We provide algorithmic liquidity across a multitude of cryptocurrency exchanges and trading platforms, offering a diverse range of OTC trading solutions. Additionally, we support notable blockchain projects and traditional financial institutions venturing into the crypto space. Wintermute Ventures, our investment arm, focuses on early-stage DeFi projects.Established in 2017 by industry pioneers, Wintermute has adeptly navigated the fluctuations of the crypto market. Our culture merges the high-tech standards of traditional high-frequency trading firms with the innovative and entrepreneurial spirit of tech startups. We view digital assets as more than a mere asset class; we believe in the transformative potential of blockchain technology and are committed to fostering a compliant and forward-thinking market. Read more here.Join Our Team at WintermuteWe are seeking a dynamic Trading Analyst with strong Python programming skills and a keen interest in high-frequency trading, market making, and cryptocurrency trading. In this role, you will collaborate closely with our trading team to enhance and optimize trading operations across various markets and strategies. You will gain valuable insights and be at the heart of the action, from supporting trading initiatives to coordinating with developers, while focusing on automation and scalability, and assisting the middle office in refining trade settlement and reconciliation processes.

About AirwallexAirwallex stands as the premier unified payments and financial platform designed for global enterprises. With our unique blend of proprietary technology and software, we empower over 200,000 businesses globally—such as Brex, Rippling, Navan, Qantas, and SHEIN—with comprehensive solutions that streamline everything from business accounts and payments to spend management and treasury, along with embedded finance on a global scale.Founded in Melbourne, our team comprises over 2,000 of the brightest minds in technology, operating from 26 offices worldwide. With a valuation of US$8 billion and support from industry-leading investors including T. Rowe Price, Visa, and Mastercard, Airwallex is at the forefront of constructing the future of global payments and financial platforms. If you're ready to embark on the most ambitious journey of your career, we invite you to join us.Attributes We ValueWe seek dynamic builders with an entrepreneurial spirit who desire significant impact, rapid learning, and genuine ownership. You bring a wealth of expertise and acute analytical skills while being motivated by our mission and operating principles. You act swiftly and judiciously, remain inquisitive, and make decisions based on fundamental principles, skillfully balancing speed and thoroughness.Being humble and collaborative, you transform innovative ideas into tangible products and ensure tasks are executed from start to finish. You leverage AI to enhance productivity and solve challenges swiftly. Here, you will take on intricate, high-stakes issues alongside exceptional colleagues and advance your career as we shape the future of global banking. If this resonates with you, let’s innovate together.About the RoleWe are on the lookout for talented Senior Software Engineers to influence and enhance Airwallex’s edge infrastructure—you will architect and develop the software foundations that drive Airwallex’s global edge. Your responsibilities will include crafting high-quality code, designing scalable services, and owning comprehensive features that elevate our API gateway, CDN layer, DNS routing, and perimeter security, making them smarter, faster, and more resilient.You will collaborate closely with product, platform, and security experts to convert real-world requirements into clean, maintainable code—and witness your contributions serve millions of requests daily.

Position Overview: The Trade Flow Support Engineer will join a highly skilled team dedicated to ensuring the seamless operation of Squarepoint Capital's essential services, including Infrastructure as a Service (IaaS), Build & Deploy, Research, and Trading. This role is crucial for delivering Level 1 and Level 2 support across our globally distributed services in the APAC, EMEA, and AMER regions. Monitor and provide L1/L2 support across all services, promptly addressing any outages to maintain high availability. Quickly identify, analyze, and rectify alerts and issues, escalating them when necessary to minimize trade flow disruptions and prevent outages. Engage extensively with the trading community, external vendors, and internal development and infrastructure teams. Oversee automated processes, scheduled jobs, and generate regular reports. Manage user requests, tracking progress through approval, updates, resolution, and closure. Identify and eliminate inefficiencies in repetitive tasks, manual processes, and suboptimal tools/workflows, driving continuous improvements through automation and collaboration.

Join our dynamic Quantitative Trading Team as a C++ Trading Developer in Singapore. Leverage your expertise to design and implement high-performance trading systems in the exciting world of cryptocurrency. Collaborate closely with traders and analysts to develop innovative trading strategies and algorithms that drive our business forward.

Join Our Team at AirwallexAt Airwallex, we are redefining the global financial landscape through our innovative payment and financial platform designed for businesses of all sizes. Serving over 200,000 enterprises worldwide, including prominent names like Brex, Rippling, and Qantas, we offer comprehensive solutions for business accounts, payments, spend management, and treasury services.Founded in Melbourne, we have expanded our footprint across 26 offices globally, with a talented team of over 2,000 individuals dedicated to technological innovation. With a valuation of US$8 billion and strong backing from esteemed investors such as T. Rowe Price and Visa, we are on a mission to build the financial framework of tomorrow. If you're eager to engage in ambitious projects and make a significant impact, we invite you to join us.What We Look ForWe seek passionate builders who possess an entrepreneurial spirit and a desire for true ownership and impact. You are a thoughtful problem solver with the ability to navigate challenges with curiosity and sound judgment. Your collaboration skills enable you to transform innovative ideas into tangible products, and you thrive in a fast-paced environment while ensuring quality outcomes.By leveraging AI and advanced technology, you will address complex, high-visibility challenges alongside an exceptional team. If you resonate with our mission and values, let’s embark on this journey together.Locations:San Francisco / SingaporeAbout the Growth TeamOur Growth Team is integral to Airwallex's mission, focusing on user acquisition and market expansion. We utilize data-driven insights and cutting-edge technologies to create seamless user experiences that engage millions. From optimizing onboarding processes to designing scalable architectures, our team's contributions are pivotal in shaping customer engagement strategies.

Join our dynamic Quantitative Trading team, dedicated to executing trades and managing the intricacies of risk across diverse cryptocurrency products, including both spot and derivative markets. Our team thrives in a fast-paced, complex trading environment, continuously developing and refining innovative trading strategies.We are on the lookout for a seasoned Trading Analytics Developer to enhance our Quant Trading team. In this crucial role, you will advance our data and AI infrastructure, merging traditional quantitative development with state-of-the-art AI platform engineering. Your focus will be on creating robust, scalable systems designed to handle both data analytics and artificial intelligence workloads. The ideal candidate will adeptly connect high-performance trading systems with modern AI capabilities, ensuring exceptional reliability, optimized performance, and actionable insights across both fields.

About Airwallex Airwallex is a unified payments and financial platform built for global businesses. Over 200,000 companies, including Brex, Rippling, Navan, Qantas, and SHEIN, use Airwallex to manage business accounts, payments, spend management, treasury, and embedded finance across borders. Founded in Melbourne, Airwallex employs more than 2,000 people across 26 offices worldwide. The company is valued at US$8 billion and is backed by investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital.

Join Talan as a Software Developer specializing in PL/SQL and .NET within our dynamic trading team. You will play a critical role in developing and optimizing trading applications, ensuring seamless functionality and performance.Responsibilities include collaborating with cross-functional teams, designing innovative solutions, and leveraging your technical expertise to enhance our trading systems.

Join a dynamic team at Wehrtyou as a Python Software Engineer, where your coding skills directly influence our success. At Wehrtyou, we're not just about trading; we are innovating the future of algorithmic trading through technology. You'll work in a supportive environment where your contributions are valued and essential to our operations. Your expertise in Python will help us monitor live trading, build a robust distributed computing platform, process extensive datasets, and develop vital internal tools, all while collaborating with top-tier researchers and engineers.

As a Senior Software Engineer at Caladan, you'll collaborate with intelligent and driven colleagues, leveraging diverse skill sets to provide a robust platform for your innovative ideas. Your contributions will directly impact our trading platform's development, enabling you to see the tangible results of your work.Your ResponsibilitiesAs a key member of our trading platform development team, you will:Design, develop, and maintain a highly efficient and adaptive trading platform that accesses various CeFi, DeFi, and OTC liquidity sources.Employ software development methodologies to enhance order management, compliance, exchange connectivity, market data, and routing capabilities.Create and implement our next-generation real-time trading platform.Oversee and support the global trading system's operations, effectively troubleshooting and resolving issues as they arise.Collaborate closely with traders and the business development team to swiftly implement new concepts.Mentor junior team members, guiding them in their professional development and serving as a role model.

Join the forefront of algorithmic trading at Hudson River Trading (HRT), one of the leading firms in the industry. Our research cluster is pivotal to our operations, serving as the creative engine for our trading strategies.We leverage a sophisticated, customized research environment equipped with state-of-the-art CPU and GPU computing, advanced storage solutions, and high-performance networking technology. Our team comprehensively addresses the software stack, from developing user-level APIs to enhancing performance through low-level caching. Our challenges range from theoretical concepts, such as equitable resource scheduling, to practical tasks, including optimizing run-time performance for traders' programs.As a Distributed Compute Engineer in a user-centric setting, you will craft and refine technical solutions that enhance research efficiency and accessibility. You will collaborate daily with a mix of talented quantitative traders and software engineers across various trading teams.

Join Hudson River Trading (HRT) as a C++ Software Engineering Intern for the Summer of 2026. We are on the lookout for enthusiastic and driven full-time students who are passionate about coding and eager to learn in a dynamic entrepreneurial atmosphere. At HRT, our engineers are crucial in developing and maintaining the technology and infrastructure that underpins our trading operations.What You Will ExperienceGain a hands-on introduction to the technical aspects of software engineering within the algorithmic trading sector.Engage in independent programming projects utilizing C or C++, tailored to project requirements.Transition into project work within your first week through structured training and hands-on experiences.Explore HRT's research and trading infrastructure, gaining insights even in areas outside your direct responsibilities.Enhance your understanding of global financial markets alongside your technical project work and mentorship.

Join Our Team at AirwallexAt Airwallex, we are transforming the global payments landscape with our cutting-edge financial platform designed for businesses worldwide. We support over 200,000 companies, including industry leaders such as Brex, Rippling, Navan, Qantas, and SHEIN, by providing a comprehensive suite of integrated solutions for managing everything from business accounts to payments and embedded finance.Founded in Melbourne, our dynamic team of over 2,000 innovative minds operates across 26 offices globally. Our valuation has soared to US$8 billion, backed by prestigious investors such as T. Rowe Price, Visa, Mastercard, and Sequoia. If you’re eager to embark on the most ambitious work of your career, we invite you to join us on this exciting journey.

Join our dynamic team at Hudson River Trading (HRT) in Singapore as a Software Engineer specializing in low-level programming with C++. You will be pivotal in driving our expansion into the Asia-Pacific markets, collaborating closely with our algorithmic trading and operations teams to enhance our trading strategies and performance. Your contributions will directly influence our trading operations, allowing HRT to establish and grow its presence in new markets while optimizing existing strategies for increased profitability. This role is a unique opportunity to blend technical expertise with strategic insight, making a significant impact on the company’s bottom line.

Lead the design and optimization of critical trading infrastructure, including matching engines and order management systems. Spearhead code development ensuring the platform can handle high-concurrency trading operations and deliver low-latency responses at millisecond precision. Conduct performance tuning for high-frequency trading scenarios, employing advanced technologies such as lock-free queues, memory pools, and zero-copy networking to enhance throughput and minimize latency.Create cohesive architectural solutions to facilitate the rapid development of products such as spot, perpetual contracts, and options, eliminating redundant workflows. Possess an in-depth understanding of derivative mechanisms to guarantee the precise implementation of complex product logics and effective risk management.Oversee troubleshooting and performance enhancements in production settings to maintain optimal system availability. Develop comprehensive end-to-end monitoring systems for real-time alerts on key metrics and performance insights.Keep pace with industry advancements, advocate for the integration of innovative technologies, and persistently refine the architecture of the trading system.