Senior Engineer / Architect – Electronic Trading, Market Data & Smart Order RoutingLocation: Toronto, ON (Hybrid - 2 days/week onsite)Employment Type: 12-Month ContractWe are partnering with a leading financial services organization to hire a Senior Engineer / Architect with deep expertise in electronic trading, market data, smart order routing, and capital markets technology. This role is ideal for a senior technical professional who combines hands‐on engineering capabilities with a strong understanding of trading systems, market structure, and execution workflows.Key ResponsibilitiesDesign, build, and enhance low-latency electronic trading and market data platforms.Develop solutions across the full trading technology stack, including:Order management and executionSmart Order Routing (SOR)Market data ingestion, normalization, and distributionMarket-making and liquidity management workflowsPartner with trading desks, product teams, quants, operations, and compliance stakeholders to translate business requirements into scalable technical solutions.Architect and optimize real-time streaming and event-driven applications.Design and support FIX connectivity, execution management, and trade lifecycle processing.Leverage Spark and distributed data technologies for analytics, surveillance, and operational workflows.Drive platform modernization initiatives focused on performance,



scalability, resiliency, and regulatory readiness.Provide technical leadership through architecture reviews, design discussions, code reviews, and mentoring.Required Qualifications5+ years of software engineering experience within electronic trading or capital markets technology.Deep understanding of exchange ecosystems, order books, market data, trade lifecycles, execution workflows, and liquidity provision.Strong knowledge of low-latency market data processing and distribution.Experience with market-making, pricing, quoting, or liquidity management systems.Robust programming experience with:JavaPythonReal-time analytics engines such as 3forge or DeephavenExperience with Apache Spark, PySpark, or Scala Spark.Experience with Kafka or similar real-time messaging and streaming technologies.Strong understanding of FIX Protocol and electronic trading connectivity.Solid SQL, distributed systems, and performance optimization experience.Strong communication skills with the ability to collaborate across technical and business stakeholders.Why Apply?This is an opportunity to work on mission-critical trading systems within a sophisticated capital markets environment, helping shape the future of electronic trading, market data, and execution technology.

📌 Senior Engineer (Toronto)
🏢 Experis
📍 Toronto