Business Systems Analyst (API Designer)

System One • Dallas, TX • 1d ago

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

M1

DI-CB2

L1 - KB1

Ref: #404-IT Pittsburgh

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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