Business Systems Analyst (API Designer)

System One; Dallas (TX); Hybrid; USD 90,000 - 120,000; Full time

Job summary

System One is seeking a Senior Business Systems Analyst (API Designer) in the Dallas area to work with major financial institutions in the US. The candidate will focus on designing high-performance RESTful APIs and event-driven services, collaborating with various business and technical teams.

Responsibilities include gathering and analyzing requirements, designing Java-based RESTful APIs, and participating in production incident analysis. Required qualifications include 6+ years of experience in API design, strong experience with Java, REST APIs, and Agile methodologies.

Qualifications

• 6+ years of experience as a Business Systems Analyst focused on API design.
• Strong experience with REST APIs, Swagger/OpenAPI, and Kafka Event Streaming.
• Mandatory experience testing REST APIs using Postman.

Responsibilities

• Gather and analyze business requirements and translate them into API designs.
• Design Java-based RESTful APIs and Kafka event-driven services.
• Support technical planning, estimation, development, testing, and UAT activities.

Skills

REST APIs

APIs Design

Kafka

Java

Technical Documentation

Analytical Skills

Tools

Postman

Jira

Confluence

MongoDB

Oracle

SOAP

Job description

Senior Business Systems Analyst (API Designer)

Contract to hire

Dallas, TX / Pittsburgh, PA / Cleveland, OH

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.

Responsibilities

• Gather 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 Qualifications

• 6+ 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 Services
• JSON
• XML
• XSD
• WSDL
• 3+ years of experience with:
• Oracle
• MongoDB
• SQL
• Experience designing Java RESTful services.
• Strong technical documentation and communication skills.
• Excellent analytical, interpersonal, and problem-solving abilities.

Preferred Skills

• IBM MDM AE
• API Security & Authentication
• Event-Driven Architecture
• Enterprise Integration Design
• Financial Services Domain Experience

Key Technologies

Java | REST APIs | Swagger/OpenAPI | Kafka | Postman | IBM MDM AE | MongoDB | Oracle | SQL | SOAP | JSON | XML | XSD | WSDL | UML | Jira | Confluence | Agile