Business Systems Analyst (API Designer)

Senior Business Systems Analyst (API Designer)Senior Business Systems Analyst (API Designer) with expertise in designing secure, scalable, and high-performance RESTful APIs and event-driven services. The selected candidate will work with one of the largest financial institutions in the United States, collaborating with business and technical teams to design enterprise integration solutions leveraging Java, Kafka, IBM MDM, MongoDB, and modern API technologies.ResponsibilitiesGather and analyze business requirements and translate them into API designs.Design Java-based RESTful APIs and Kafka event-driven services integrating with external systems.Define API endpoints, data formats, authentication methods, and security standards.Build integration solutions using IBM MDM AE, MongoDB, and Kafka.Analyze user requirements and define technical scope and project assumptions.Create low-level technical design documentation for new and existing systems.Support technical planning, estimation, development, testing, and UAT activities.Participate in production incident analysis and issue resolution.Work within Agile teams using Jira and Confluence.Collaborate with business stakeholders, architects, developers, and external partners.Research and recommend tools, frameworks, and reusable components.Required Qualifications6+ years of experience as a Business Systems Analyst focused on API design.Strong experience with REST APIs, Swagger/OpenAPI, and Kafka Event Streaming.5+ years of experience with UML and workflow design.4+ years of experience testing REST APIs using Postman. (Mandatory)3+ years of experience with:SOAP Web ServicesJSONXMLXSDWSDL3+ years of experience with:OracleMongoDBSQLExperience designing Java RESTful services.Strong technical documentation and communication skills.Excellent analytical, interpersonal, and problem-solving abilities.Preferred SkillsIBM MDM AEAPI Security & AuthenticationEvent-Driven ArchitectureEnterprise Integration DesignFinancial Services Domain ExperienceKey Technologies Java | REST APIs | Swagger/OpenAPI | Kafka | Postman | IBM MDM AE | MongoDB | Oracle | SQL | SOAP | JSON | XML | XSD | WSDL | UML | Jira | Confluence | Agile