C++ Developer – High Frequency Trading Systems

At Flowdesk, our mission is to establish a leading global financial institution for digital assets, meticulously crafted to ensure market integrity and operational efficiency.In a fast-paced and ever-changing market environment, we adopt a structured, first-principles approach across all our operations. This methodology is reflected in our core offerings, which include institutional liquidity provision, advanced trading solutions, OTC execution, and comprehensive treasury management services. Our focus is on navigating the complexities of the market to develop resilient and scalable systems across various business lines.We are in search of passionate individuals who resonate with this systematic philosophy. Becoming part of Flowdesk means you will contribute significantly to the creation and enhancement of a more transparent and efficient infrastructure for financial markets.Are you eager to seize a thrilling opportunity within a newly established quant trading team at an innovative crypto trading firm? As a Quantitative Developer, you will play a crucial role in developing and scaling our cutting-edge HFT platform built in Rust. Your responsibilities will include but are not limited to:Algorithm Development: Design and enhance trading algorithms for low-latency, high-frequency trading.Front-Office System Development: Build and optimize systems for algorithmic trading, covering data analysis, risk management, live trading, and post-trade processes.Integration with DeFi Venues: Implement real-time data feeds from decentralized finance protocols.Model Backtesting: Evaluate algorithms with historical data to verify their effectiveness and identify areas for improvement.Founded in 2020, Flowdesk is a pioneering technology and crypto financial services firm operating globally, catering to a diverse clientele. Our ambition is to become a premier technology provider within this industry while adhering to the highest standards of compliance and efficiency. The newly formed team is led by a renowned HFT expert with a track record of building some of the most successful trading desks in the sector.Work Location: Remote or hybrid for candidates based in London, Paris, or Singapore.

Position Overview:Join Squarepoint Capital as an Ultra Low Latency Platform Engineer, where you will play a pivotal role in enhancing our global colocation (COLO) infrastructure, encompassing over 400 servers across 30 locations worldwide. In this dynamic position, you will lead project delivery, manage support escalations, and oversee monitoring, automation, security, documentation, and capacity management for our low latency systems. Collaborate with various stakeholders, including business partners, application owners, clients, vendors, and internal teams such as SRE, Network, Application Support, Application Development, and Quantitative Analysts, to deliver comprehensive end-to-end solutions promptly.

Position Overview: The Quantitative Development team collaborates closely with quantitative researchers to architect, implement, deploy, and utilize cutting-edge software for research and trading purposes. As an integral part of the technology team, we embrace modern software development methodologies and work alongside peers to innovate and enhance these tools for broader applications. Quantitative developers lead cross-functional initiatives with both technologists and quantitative researchers across diverse asset classes to fulfill Squarepoint’s strategic objectives. Engage with quantitative researchers to design and construct robust and scalable workflows for research and trading. Work collaboratively with team members and technical peers to ensure global consistency and maximize the reuse of software components. Take full ownership of projects throughout their complete engineering lifecycle. Provide level 2 support for mission-critical components.

Note: Please apply only to the position that aligns best with your skills and experience. If we believe you may be a better fit for another position, we will reach out to discuss that opportunity.About the Role:At Squarepoint Capital, we leverage C++ to develop our core low-latency, high-performance trading systems that play a pivotal role in our trading operations. Your contributions will directly influence our trading success by optimizing trading processes, delivering real-time market data, and ensuring critical market connectivity for our daily operations. You may take on the challenge of designing and implementing trading frameworks, centralized services that handle vast amounts of data, or other high-volume distributed applications at Squarepoint.Regardless of the project, you will be at the forefront of high-performance software development, advancing your skills in a collaborative and engaging environment.

Position Overview Join our dynamic and collaborative team as a Quantitative Developer specializing in C++. In this role, you will be instrumental in developing and maintaining high-performance trading systems and signal logic while supporting critical infrastructure. You will work closely with quantitative researchers and traders, assisting in the implementation of trading strategies and various research projects. Your collaboration with technology teams will involve providing strategy and signals containers, ensuring seamless integration with Squarepoint's comprehensive infrastructure. The ideal candidate will thrive in a fast-paced environment, adeptly balancing rapid tactical delivery with long-term strategic initiatives. Strong communication skills are essential for driving cross-team projects and daily interactions with quant researchers and traders. A solid work ethic, enthusiasm for cutting-edge technology, and the determination to navigate complex challenges are key attributes for success in this role. Attention to detail and experience with defensive programming are vital. Research and implement trading strategies and signals logic, including backtesting, simulations, and processing frameworks. Develop advanced tooling for analyzing large data sets using statistical methods to identify trading opportunities and assess impacts over time. Gain a thorough understanding of market operations and structures to effectively apply domain knowledge to software design and development. Focus on long-term design improvements and maximizing code reuse. Support quantitative researchers with technical aspects of trading strategies and contribute to R&D efforts. Participate in the strategic design and roadmap for high-performance trading infrastructure. Provide production support, primarily in a Level 2 capacity, with Level 1 support during specific strategy rollouts. Collaborate with cross-functional teams (feed handlers, order gateways, reference data) to drive initiatives including latency monitoring and product rollouts.

C# / .NET Developer for Front Office Electronic Trading SystemsJoin MARGO in the UK (London) – Permanent and Contracting OpportunitiesMARGO is a technology-driven consultancy that provides exceptional IT expertise to the financial services sector.We specialize in intricate software engineering environments where performance, reliability, and scalability are paramount: including real-time systems, low-latency architectures, distributed computing, and high-throughput data processing.By joining MARGO, you'll be immersed in challenging Front Office and Trading IT environments while enjoying a close-knit structure with personalized support and tailored training programs.Business ContextYou will be an integral part of the Front Office/Trading IT environment of one of our tier-1 investment banking or trading partners.The teams are responsible for designing and maintaining mission-critical C# / .NET systems that support electronic trading, real-time risk, and analytics platforms across various asset classes including Equities, Fixed Income, Commodities, Foreign Exchange, and Derivatives.These systems run in close proximity to trading desks and electronic trading platforms, adhering to stringent performance, reliability, and production stability standards.The working environment is characterized by:· Real-time and event-driven architectures· Low-latency and high-throughput processing demands· Strong production stability and reliability constraints· Close collaboration with trading, quantitative, and risk management teams· High engineering standards and rapid delivery cycles

Galaxy Digital Services is seeking a Vice President of Quantitative Development to join the Crypto trading desk in London. This position partners closely with traders, quantitative analysts, and developers to design, implement, and refine market-making and quantitative trading strategies. Role overview The Vice President of Quantitative Development will focus on building and enhancing trading systems that support the firm's activities in digital assets. Collaboration is central: expect to work alongside experts in trading, quantitative research, and software engineering. The role requires a strong foundation in software development and quantitative analysis, with particular emphasis on financial markets such as FX and Crypto. What you will do Design and implement quantitative trading strategies for the crypto trading desk Enhance and maintain market-making systems Work closely with traders and quantitative analysts to identify and execute new opportunities Contribute to the ongoing improvement of the trading platform Requirements Proven experience in software development and quantitative analysis Strong understanding of financial markets, with a focus on FX and Crypto trading Ability to collaborate with cross-functional teams Our values Pursue Excellence Selectivity for Effectiveness High Alignment, Loose Coupling Transparent Disagreement Encourage Independent Decision-Making Create Dream Teams Galaxy Digital brings together a diverse team of thinkers and achievers, united by a mission-first mentality and a commitment to transparency and accountability. The company supports institutions, startups, and developers at the intersection of finance and technology, shaping the future of Web3 and AI.

We are seeking a driven and innovative Quantitative Developer who is enthusiastic about leveraging financial data to create impactful products for traders and researchers. At Intropic, you'll become an integral part of a dynamic fintech startup, where engineers tackle challenging, open-ended problems spanning research, data, and product development — we pride ourselves on our proactive approach, rather than just responding to JIRA tickets.In a typical week, you will engage in a variety of tasks including Python and SQL development, implementing infrastructure changes, enhancing features of financial data products, collaborating on strategic planning with team leads, and attending client meetings to communicate your work and gather valuable feedback. We are looking for someone who enjoys delivering production-grade code, thrives in uncertain environments, works closely with analysts and product teams, and takes pride in maintaining clean, well-tested systems that support actual trading and research workflows.At Intropic, we prioritize hiring the right individual over just a polished CV. If you are passionate about taking full ownership of projects and want to influence both product and research trajectories, we invite you to apply. This is a full-time position expected to commence in the first half of 2026.

Legal & General Investment Management is seeking a Quantitative Developer to join its asset management team in London. This role centers on developing and enhancing tools that directly support investment decision-making. Key responsibilities Collaborate with portfolio managers and quantitative analysts to design, build, and refine tools for investment support. Use quantitative techniques to strengthen investment strategies and improve portfolio results. Create and implement solutions that help optimize performance across a range of portfolios. Location This position is based in London.

Are you passionate about leveraging quantitative analysis to drive innovative solutions? As a Quantitative Developer at Intropic, you will play a pivotal role in developing and implementing cutting-edge quantitative models that enhance our services. You will collaborate with a dynamic team of experts, utilizing your analytical skills to tackle complex challenges and contribute to the success of our projects.

Role Overview Optro is hiring a Business Development Manager for the EMEA region, based in London. This role focuses on driving growth and building partnerships to support Optro’s expansion into new markets and strengthen client relationships. What You Will Do Identify new business opportunities across the EMEA region Develop solutions tailored to client needs Build and maintain strategic partnerships Work with teams across the company to deliver strong service to clients Collaboration This role works closely with colleagues from different functions to ensure clients receive reliable support and solutions that fit their requirements.

Queueco is seeking a skilled Quantitative Developer with a focus on High-Frequency Trading (HFT) to become a vital member of our compact team. In this pivotal role, you will be key in the design, enhancement, and optimization of our trading engines and systems, ensuring they excel in performance and efficiency.Your collaboration with traders and researchers will be crucial in comprehending exchange architectures, protocols, market data, and order entry APIs. Your ability to translate this knowledge into our low-latency solutions will enable us to trade profitably on major exchanges. This position demands a strong focus, impeccable attention to detail, outstanding programming capabilities, and ideally, a passion for financial markets.Please note that this is an onsite role; remote work options are not available.

At Wayve, we are dedicated to fostering a diverse, equitable, and respectful work culture that values individual skills and perspectives, irrespective of sex, race, religion, belief, ethnic or national origin, disability, age, citizenship, marital status, sexual orientation, gender identity, veteran status, pregnancy-related conditions, or any other basis protected by applicable law.About UsEstablished in 2017, Wayve stands at the forefront of Embodied AI technology. Our innovative AI software and foundational models empower vehicles to perceive, comprehend, and navigate intricate environments, significantly enhancing the usability and safety of automated driving systems.Our mission is to develop autonomy that drives the world forward. With intelligent, mapless, and hardware-agnostic AI solutions designed for automakers, we are accelerating the shift from assisted to fully automated driving. In our dynamic environment, we tackle significant challenges head-on, embracing uncertainty to unlock transformative solutions. We strive for excellence while remaining humble, continuously learning and evolving to create a smarter, safer future.Your contributions at Wayve are invaluable. We celebrate diversity, welcome varied perspectives, and cultivate an inclusive workplace where we support each other in making a meaningful impact.Join Wayve and let us shape the experience that defines your career!Software Developer, Fleet OperationsWe are seeking a Low-Code Developer to become a part of our Operational Systems and Insights team, responsible for designing advanced internal systems that power our fleet operations.

Join Rotork plc as a Business Development Manager for the EMEA region and drive our growth strategy across diverse markets. In this pivotal role, you will leverage your expertise to identify new business opportunities, foster client relationships, and enhance our market presence. You will work closely with our cross-functional teams to develop and implement strategies that align with our business objectives.

Fama is an innovative SaaS company headquartered in the US, rapidly expanding its international footprint. Following significant organic growth outside of the US, we are on the lookout for a seasoned Go-To-Market (GTM) leader to be our inaugural on-the-ground representative in the UK. This pivotal role will focus on accelerating our growth trajectory in the EMEA region and broadening our customer and partner base.As a senior-level self-starter reporting directly to US leadership, you will be the regional expert, spearheading GTM strategies and delivering valuable market insights to our US executive team. As our operations expand, you will be instrumental in identifying talent requirements to further enhance our EMEA presence. The ideal candidate will combine extensive background screening knowledge with a strong commercial acumen, serving as a key brand ambassador for Fama throughout the region.This position may necessitate occasional in-person collaboration within London or nearby areas. Candidates should reside within a reasonable commuting distance (approximately 2 hours).Market Expansion & Regional SupportTransition from organic, word-of-mouth international growth to a regionally focused, proactive client service strategy. Establish the foundational elements for our Western European expansion strategy.Meet regional performance objectives in close coordination with US leadership, ensuring alignment with global corporate goals.Enhance the customer journey within the region, providing local insights to marketing, sales, RevOps, and support teams to boost brand awareness and retention.Utilize Fama’s enthusiastic customer base to reflect local market insights, ensuring the UK value proposition is culturally relevant and compelling.Partner & Customer EngagementAct as the primary regional contact and brand representative for Fama’s existing customer and reseller partner network.Lead as the technical consultant and product advocate for Fama’s social media screening technology, fostering regional trust and credibility.Represent Fama at industry events and strategic partner meetings to enhance customer enablement and market visibility.Support Fama's reseller network, which significantly contributes to our HR revenue, by providing localized enablement materials and resources.

Join Squarepoint Capital as a Quantitative Developer specializing in High Performance Computing with expertise in Python. In this pivotal role, you will contribute to the development and optimization of advanced quantitative models, leveraging your technical skills to enhance performance in a fast-paced environment. Your work will directly influence trading strategies and investment decisions, making a significant impact on the firm's success.

Join Maven Securities Holding Ltd as a Quantitative Developer specializing in Systematic Equities Trading. In this dynamic role, you will leverage your expertise in Python to develop innovative trading strategies and robust quantitative models. Collaborate with a multidisciplinary team of traders and quants to enhance our trading platform and improve performance metrics.As a key contributor, you will engage in data analysis, algorithm development, and implementation of systematic trading strategies. Your insights will be critical in driving our trading operations and achieving competitive advantages in the market.

Join Remote as a Sales Development Manager and play a pivotal role in shaping the future of global employment. In this dynamic position, you will lead our EMEA Sales Development Representatives, driving the generation of a robust pipeline of qualified business opportunities. Your leadership will not only contribute to our company’s growth but will also facilitate the development of high-caliber talent for future roles across our Go-To-Market teams. As the first point of contact for prospective clients, you will ensure that every interaction is positive, impactful, and sets the stage for successful long-term relationships.

About ClickHouseCelebrated as one of the most groundbreaking and rapidly expanding private cloud organizations, ClickHouse has earned a spot on the prestigious 2025 Forbes Cloud 100 list. With an impressive clientele of over 3,000 and an annual recurring revenue (ARR) surging by more than 250% year-over-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.The company’s remarkable growth trajectory was recently underscored by a successful $400M Series D funding round. In just the past three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or enhanced their existing engagements. These partnerships complement our established roster of AI pioneers and global brands, including Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize how organizations leverage data. Be a part of our exciting journey!Note: This position may be based in London, Berlin, or Amsterdam, with regular travel expected.