Senior Software Engineer – Multi-Asset Order Management

Senior Software Engineer – Multi-Asset Order Management System (OMS) New York, NY | Hybrid Competitive Salary + Excellent Benefits Our client is a well-funded financial technology business building a next-generation, multi-asset Order Management System (OMS) from the ground up. The platform will support trading across equities, fixed income, options, futures, FX, digital assets and alternative investments through a single, unified platform. This is a senior, hands-on opportunity for an engineer who enjoys building complex financial infrastructure, solving challenging distributed systems problems and having genuine ownership over architecture and development. The Role You'll play a key role in designing and building a mission-critical trading platform from the ground up. You'll be responsible for: Designing and developing a scalable multi-asset OMSOwning the full trade lifecycle, including order routing, execution, allocations, positions and reconciliationBuilding FIX, exchange, custodian and third-party trading integrationsDeveloping high-performance market data and execution pipelinesDesigning resilient, event-driven distributed systemsScaling the platform to support high volumes of concurrent orders and multiple asset classesEvolving the platform towards a fully real-time trading environmentWorking closely with technical and executive leadership on long-term architecture About You You'll be an experienced trading systems engineer with a strong background building production systems that handle live capital. You'll bring: 8+ years' experience building production trading systemsExpert-level Python for backend services, integrations and data processingStrong C++ experience in high-performance or low-latency environmentsExperience with Smart Order Routing and exchange connectivityDeep knowledge of distributed systems, event-driven architecture and messagingExperience with Kafka, RabbitMQ, SQS or similar technologiesStrong PostgreSQL and high-volume data processing experienceExperience building real-time streaming systems and scalable data pipelinesStrong understanding of financial markets, execution, reconciliation and trading workflowsExperience supporting highly available, mission-critical production environmentsExcellent communication skills and the ability to work with both technical and executive stakeholders Nice to Have Low-latency trading systems experienceAWS and cloud architectureAlgorithmic execution strategies such as VWAP, TWAP or implementation shortfallTrading risk and exposure managementCustodian or brokerage integrationsExperience across digital assets, private markets, hedge funds or alternative investments The Opportunity Join a well-funded and rapidly growing FinTech businessBuild core trading infrastructure from the ground upWork across multiple asset classes and complex financial systemsSignificant technical ownership and influenceSolve challenging distributed systems and real-time trading problemsWork alongside experienced technical and business leadershipHelp shape the architecture of a next-generation trading platform If you're a senior engineer with deep trading systems experience and want to build something genuinely complex from the ground up, we'd love to hear from you. Certus Recruitment Group is a specialist recruitment consultancy focused on Technology, Sales, Marketing and Executive Search across North America, the UK, Europe and Australia. For over 25 years, we've been connecting exceptional talent with some of the world's most innovative businesses.