We are a leading securities firm in Vietnam, growing rapidly with a strong focus on technology, professional trading, and innovation. Our mission is to deliver world-class trading solutions and empower both professional and institutional clients.We are looking for a Business Analyst (Professional Trading) with strong expertise in securities and financial trading, especially in professional trading, derivatives, and algorithmic trading. This role acts as a bridge between trading desks, risk, compliance and technical teams (quants, developers, data engineers) to deliver and optimize end-to-end trading solutions.Key ResponsibilitiesGather, analyze, and clarify business requirements from Trading Desk, Risk Management, Compliance, and Operations teams.Prepare and maintain Business Requirement Documents (BRD), User Stories, and Use Cases for trading systems (OMS/EMS/HMM), risk, and settlement platforms.Analyze and design trading workflows: order routing, margining, risk controls, algo-trading execution.Collaborate closely with Quantitative Researchers, Data Scientists and Developers to implement automated trading strategies.Support Product Owner/Project Manager in defining priorities for the trading product backlog.Ensure requirements and solutions comply with regulations from SSC (State Securities Commission of Vietnam), Stock Exchanges, and international standards (e.g., FIX Protocol, ISO 20022).Participate in User Acceptance Testing (UAT) and support traders during go-live phases.Monitor solution effectiveness and propose continuous improvements.