API Test Engineer Manual Testing - FIX Protocol l Capital Market

Job Description:We are looking for an experienced API Test Engineer with strong expertise in Manual API Testing, FIX Protocol, and Capital Markets. The ideal candidate should have hands-on experience testing trading APIs, validating FIX connectivity, and working with Equity and Derivatives trading systems. Role & responsibilities :Validate TCP/IP Socket-based proprietary Equity and Derivatives Trading APIs.Perform Manual API Testing for Order Management and Market Connectivity using FIX Protocol.Test FIX API workflows including:LogonOrder EntryOrder ModifyOrder CancelTrade ConfirmationLogoutValidate Heartbeat, Keep Alive, Sequence Numbers and Session Management.Analyze network packets using Wireshark, Packet Sender or similar tools.Develop Python scripts for API validation and test automation support.Prepare detailed Test Cases, Test Scenarios and Traceability Matrix from API specifications.Validate API Endpoints, Payloads, Response Codes and Headers.Perform Functional, Regression and Stress Testing of APIs.Work closely with Developers and Business Teams to identify and resolve defects.Ensure high quality and reliability of trading applications.Preferred candidate profile:Experience in Capital Market applications.Strong understanding of Equity and Derivatives trading.Excellent API testing skills.Hands-on experience with FIX Protocol.Strong analytical and debugging skills.Good communication skills. .