Crypto Market Access Lead - C++

Location: London Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology and trading expertise has shaped QRT’s collaborative mindset which enables us to solve the most complex challenges. QRT’s culture of innovation continuously drives our ambition to deliver high quality returns for our investors. Your future role within QRT Own the architecture and technical direction of crypto market connectivity, supporting QRT’s trading activities across digital asset exchanges and liquidity providers. Lead the design, development, validation, deployment and production support of low-latency trading gateways and market data handlers for crypto venues. Oversee market data ingestion, sequencing, normalisation, order book construction and downstream distribution across fragmented venues with differing protocols and data standards. Own exchange integrations, connectivity upgrades and venue onboardings, including gap analysis, implementation and testing, working directly with exchanges and third-party providers. Develop frameworks for data quality monitoring, gap detection, reconciliation, recovery and replay, addressing inconsistent schemas and varying levels of data quality across venues. Drive improvements in latency, throughput, resilience and operational stability within a 24/7 trading environment, defining technical KPIs and operational metrics to measure progress. Partner with traders, quantitative researchers and developers to deliver reliable market data and execution connectivity that support crypto trading strategies. Scale connectivity systems to support new exchanges, digital assets, spot and derivatives products, and evolving market structures. Work closely with infrastructure, operations, compliance and risk teams to ensure effective integration with upstream and downstream systems. Mentor and develop engineers, establishing high standards for technical ownership, code quality and delivery. Your present skillset Significant experience building low-latency trading infrastructure, with strong experience in crypto exchange connectivity or digital asset trading systems. Expert-level C++ development experience on Linux, alongside strong Python and bash scripting skills. Deep expertise in exchange trading gateways, market data feed handlers or connectivity platforms. Strong understanding of crypto exchange architecture and connectivity across major venues such as Binance, OKX, Bybit etc. Experience with exchange APIs and protocols, including WebSocket, REST, FIX and binary protocols where available. Experience designing and implementing real-time distributed systems, with strong knowledge of networking, multithreading, concurrency and memory optimisation. Strong understanding of market data sequencing, normalisation, order book construction and replay mechanisms. Experience implementing recovery and reconciliation processes to manage unreliable data sources, connectivity interruptions and exchange-specific behaviours. Good knowledge of crypto market structure, liquidity fragmentation, spot markets and derivatives, including perpetual futures. Proven ability to lead technical initiatives, influence architectural decisions and mentor engineers while remaining hands-on. A track record of delivering production systems with measurable improvements in performance, reliability or trading capability. Excellent communication and problem-solving skills, with the ability to collaborate effectively across engineering, trading, quantitative research and operational teams. Experience with decentralised exchange connectivity or traditional market access systems would be advantageous. QRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and respectfully to achieve collective success. In addition to professional achievement, we are offering initiatives and programs to enable employees achieve a healthy work-life balance.