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Temporary Postman Api Jobs (NOW HIRING)

Fiserv, Inc.

Senior Business Analyst

Jacksonville, FL · On-site

$85K - $110K/yr

Use tools such as Postman, API documentation, logs, data extracts, and test simulators to validate ... Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or ...

Monitise

Senior Business Analyst

Jacksonville, FL

$85K - $110K/yr

Use tools such as Postman, API documentation, logs, data extracts, and test simulators to validate ... Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or ...

Monitise

Senior Business Analyst

King Of Prussia, PA

$92K - $119K/yr

Use tools such as Postman, API documentation, logs, data extracts, and test simulators to validate ... Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or ...

Avani Technology Solutions, Inc.

Sr.Developer

Creve Coeur, MO · On-site

$51.50 - $65.50/hr

Remote Option: Temporary Skill set: Net Core, C#, GO, Mongo/SQL, API, KAFKA, XUnit, GITHUB, Jenkins, JIRA, and POSTMAN Must have skill: This individual must be hands-on and strong in C#,.net ...

CEDENT

Salesforce QA w Automation

Denver, CO · On-site

$40 - $60/hr

Integration Testing using APIs Postman tool and SQL queries testing of ETLSQL workflows linked with ... API/Microservices RestAssured Testing, Appium-Java -Testing, QTP/UFT -Testing, Salesforce Sales CPQ ...

Monitise

Senior Java Developer

Alpharetta, GA · On-site

$56 - $71.25/hr

Enhance API solutions to offer simple, easy to consume APIs for payment customers. * Participate in ... Experience in Integration Testing APIs with Postman, JMeter etc. * Fundamentals of AI/ML, including ...

Fiserv, Inc.

Senior Java Developer

Alpharetta, GA · On-site

$56 - $71.25/hr

Enhance API solutions to offer simple, easy to consume APIs for payment customers. * Participate in ... Experience in Integration Testing APIs with Postman, JMeter etc. * Fundamentals of AI/ML, including ...

BOK Financial

Technical Analyst IV

Tulsa, OK · Hybrid

... , Postman products for API utilization, and integration with both internal and external ... temporary tables, window functions and indexes and query optimization for performance tuning as ...

BOK Financial

Technical Analyst IV

Tulsa, OK · Hybrid

... , Postman products for API utilization, and integration with both internal and external ... temporary tables, window functions and indexes and query optimization for performance tuning as ...

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Infographic showing various Temporary Postman Api job openings in the United States as of July 2026, with employment types broken down into 1% Locum Tenens, 88% Full Time, 4% Part Time, and 7% Contract. Highlights an 76% Physical, 5% Hybrid, and 19% Remote job distribution.
Senior Business Analyst

Senior Business Analyst

Fiserv, Inc.

Jacksonville, FL • On-site

$85K - $110K/yr

Full-time

Posted 7 days ago

Fiserv rating

7.7

Company rating: 7.7 out of 10

Based on 95 frontline employees who took The Breakroom Quiz

104th of 150 rated financial services

Job description

Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Senior Business Analyst
About your role:
As a Senior Business Analyst, you will support the delivery of card and core banking capabilities by translating complex business needs into clear, actionable requirements. You will work across product, engineering, delivery, and business teams to define solutions that support debit card, credit card, payment processing, and account servicing workflows. Your work will help ensure solutions are scalable, integrated, and aligned to business and operational requirements.
What you'll do:
  • Elicit, analyze, and document business, functional, and integration requirements for debit card, credit card, core banking, and payment processing capabilities
  • Translate complex business processes into user stories, use cases, process flows, data mappings, business rules, and acceptance criteria
  • Analyze card transaction lifecycles including account setup, card issuance, authorization, memo posting, clearing, settlement, reversals, adjustments, disputes, chargebacks, representments, and exception handling
  • Define and support integrations across core banking platforms, card processors, payment networks, digital channels, fraud systems, servicing platforms, and third-party providers using application programming interfaces (APIs), events, files, and message-based interfaces
  • Apply working knowledge of payment and card standards including ISO 8583, ISO 20022, REST APIs, batch files, and processor or network message specifications to support solution definition and delivery
  • Use tools such as Postman, API documentation, logs, data extracts, and test simulators to validate integration behavior and confirm alignment to documented requirements
  • Facilitate workshops and working sessions with cross-functional teams to support shared understanding, decision-making, backlog refinement, solution design, certification, and post-production support
  • Identify process gaps, document downstream impacts, and maintain business analysis artifacts across card processing and core banking workflows
  • Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Experience you'll need to have:
  • 6+ years of experience in business analysis within financial services, payments, card issuing, card processing, core banking, or a related domain
  • 6+ years of experience documenting business, functional, and integration requirements using user stories, use cases, process flows, data mappings, business rules, and acceptance criteria
  • 6+ years of experience supporting debit card and credit card processing functions including authorization, clearing, settlement, disputes, chargebacks, reversals, adjustments, and cardholder servicing
  • 6+ years of experience working with core banking concepts, account processing, and system integrations across payment and servicing platforms
  • Experience with ISO 8583, ISO 20022, REST APIs, API-first integration patterns, file-based exchanges, event-driven integrations, and message-based interfaces
  • Experience using Postman or similar tools to review, test, and validate APIs and integration scenarios
  • Bachelor's degree or higher in Business Administration, Finance, Information Technology, or a related field, or equivalent combination of education, related experience and/or military experience

Experience that would be great to have:
  • Experience with payment network integration and processor or network certification processes
  • Experience with fraud systems, PCI DSS, card network rules, regulatory compliance, audit requirements, and operational risk management
  • Experience supporting digital banking channels and card lifecycle management
  • Experience working in software delivery environments across the full software development lifecycle

How you'll work:
  • This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.
  • This role requires use of a computer and audio equipment.

Sponsorship:
You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.
This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine or Washington.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.
Thank you for considering employment with Fiserv. Please:
  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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