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Algorithmic Trader - Equity Execution Services

France, Paris · Job Posted February 14, 2026
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Job Description

KCx is seeking an Algorithmic Trader to join its team in Paris. The role sits at the intersection of trading, quantitative analytics, and client execution advisory, and is a core front-office position within KCx’s execution franchise. The successful candidate will act as both an execution specialist and product expert, responsible for monitoring algorithmic trading performance, delivering bespoke execution analytics, and driving continuous improvements to KCx’s algorithmic and Smart Order Routing (SOR) offering. This role involves direct interaction with sophisticated institutional clients including quantitative hedge funds, systematic asset managers, and performance-driven execution clients, requiring strong technical execution expertise and the ability to translate analytics into actionable trading and product improvements.

Job Responsibility

  • Monitor and optimise algorithmic trading performance across low-touch, program trading, and high-touch execution channels
  • Provide real-time oversight of live algorithmic order flow, ensuring stable execution and rapid escalation of production issues (SOR behaviour, market data, venue connectivity, platform performance)
  • Coordinate with Trading, Quant Development, and Technology teams to diagnose and resolve execution incidents while minimising client impact and drive targeted algorithmic or routing improvements
  • Act as a technical execution partner for institutional clients on algorithmic strategy design and SOR behaviour
  • Deliver bespoke execution analytics and TCA to support performance reviews and wheel allocation decisions
  • Conduct data-driven analysis of venue interaction, liquidity capture, and execution behaviour across market regimes
  • Translate client objectives and analytical insights into algorithmic and routing enhancements
  • Contribute to the development of internal execution analytics and monitoring tools
  • Partner with Quant Development and Engineering teams to enhance algorithmic trading strategies and Smart Order Routing capabilities
  • Participate in the design, testing, and rollout of new execution strategies, routing logic, and venue integrations
  • Act as a liaison between trading, quant, sales, and technology teams, translating execution insights into product enhancements
  • Support client onboarding, bespoke execution solution design, and evolution of KCx’s electronic execution roadmap

Requirements

  • Experience in Trading or Sales Trading is required
  • Strong understanding of equity market microstructure, venue dynamics, and electronic execution workflows
  • Experience analysing algorithmic trading performance, execution quality metrics, and benchmark-driven strategies (e.g. VWAP, Implementation Shortfall, liquidity-seeking execution)
  • Demonstrated experience producing or interpreting Transaction Cost Analysis (TCA) and execution performance analytics
  • Strong quantitative and analytical skillset with proficiency in Python, SQL analysis tools, including experience working with large trading datasets
  • Ability to translate quantitative insights into execution improvements, routing enhancements, or product evolution
  • Experience interacting with institutional buy-side clients or supporting execution advisory initiatives
  • Strong stakeholder management skills across trading, sales, quantitative, and technology teams
  • Ability to communicate complex execution and technical concepts to both technical and commercial audiences
  • Fluent French and English required

What we offer

  • A highly collaborative front-office execution environment with direct visibility on trading performance and client outcomes
  • Direct involvement in algorithmic strategy, with the opportunity to influence next-generation execution solutions
  • Close interaction with leading global institutional investors, including quantitative hedge funds and systematic asset managers
  • A performance-driven compensation structure, aligned with individual contribution, execution impact, and business growth
  • Exposure to a rapidly expanding electronic execution franchise offering strong career development and leadership opportunities
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