Cognizant

Senior Java API Integration Engineer

Cognizant • $81K — $136K *
Buffalo, NY 14221In-Person
Finance & Insurance
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on experience implementing banking or payment-service API integrations.
  • Strong proficiency in Java and Spring Boot development.
  • Demonstrated experience with REST and SOAP API integrations using JSON and WSDL.
  • Knowledge of secure service-to-service communication and API gateways.
  • Experience implementing OAuth 2.0 and TLS/mTLS secure authentication practices.
  • Strong SQL skills and experience relevant to financial services applications.
  • Professional background in the banking or financial sector.

Responsibilities

  • Implement and integrate Fiserv PEP+ Direct APIs for essential banking functions.
  • Develop and maintain REST and SOAP API integrations focusing on JSON and OpenAPI/Swagger.
  • Support critical ACH processes including exceptions and reconciliations.
  • Participate in all stages of the integration lifecycle from design to production support.
  • Troubleshoot and resolve operational and integration issues promptly.
  • Manage API gateways, subscriptions, token management, and secure communications.
  • Collaborate cross-functionally with stakeholders to enhance payment solutions.

Benefits

  • Medical, dental, and vision coverage.
  • Paid time off and holidays.
  • 401(k) contributions.
  • Disability coverage and parental leave.
  • Employee stock purchase plan.
Full Job Description
About the role

As a Java API Integration Engineer, you will make an impact by designing, developing, and supporting secure integrations that enable customer onboarding, ACH origination, transaction inquiries, and payment-status tracking. You will be a valued member of the technology team and collaborate with business, operations, risk, fraud, infrastructure, and vendor stakeholders.

In this role, you will:
  • Implement and integrate Fiserv PEP+ Direct APIs for customer onboarding, ACH origination, inquiries, and status tracking.
  • Develop and maintain REST and SOAP API integrations using JSON, WSDL, and OpenAPI/Swagger.
  • Support ACH exception, return, investigation, and reconciliation processes.
  • Participate in technical design, testing, implementation, deployments, and production support.
  • Troubleshoot integration and operational issues, identify root causes, and coordinate timely resolution.
  • Support API gateways, secure service-to-service communication, API publishing, subscriptions, token management, and webhooks.
  • Collaborate with business and technology teams to deliver reliable payment solutions.

Location: Buffalo, New York.

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring three days per week onsite and two days remote in Buffalo, New York.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations.

Visa sponsorship

This position is not eligible for visa transfer or sponsorship, now or in the future.

Compensation

The annual salary for this position is $81,337 to $136,000 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans. The salary and other compensation information is accurate as of the date of this posting and may change subject to applicable law.

Cognizant offers benefits for eligible employees, including medical, dental, and vision coverage; paid time off and holidays; 401(k) contributions; disability coverage; parental leave; and an employee stock purchase plan.

What you need to have to be considered
  • Hands-on experience implementing banking or payment-service API integrations.
  • Strong Java and Spring Boot development experience.
  • Experience developing and integrating REST and SOAP APIs using JSON, WSDL, and OpenAPI/Swagger.
  • Knowledge of API gateways, API publishing, subscriptions, and secure service-to-service communication.
  • Experience with OAuth 2.0, TLS/mTLS, certificates, tokens, and secure authentication practices.
  • Experience developing webhooks or event-driven integrations.
  • Strong SQL skills and experience supporting financial-services applications.
  • Professional experience working in banking or financial services.

These will help you stand out
  • Experience implementing or integrating Fiserv PEP+ or PEP+ Direct.
  • Experience integrating with mainframe platforms, including z/OS and DB2 for z/OS.
  • Knowledge of Treasury Management or embedded-banking solutions.
  • Understanding of ACH processing, NACHA rules, credits, debits, returns, NOCs, and CCD and CTX transaction types.
  • Experience supporting ACH onboarding, origination, warehouse inquiries, payment-status workflows, exceptions, reconciliation, and fraud controls.
  • Experience providing production support in regulated or high-volume payment environments.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Compensation information is accurate as of the date of posting. Cognizant reserves the right to modify salary, other compensation, and benefits information at any time, subject to applicable law.

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

Cognizant Careers

Join the vibrant team at Cognizant, a leading provider of information technology, consulting, and business process services. Cognizant is not just a company; it's a community where innovation, leadership, and diversity are valued and where every team member is encouraged to thrive.

Work You’ll Do

At Cognizant, we are dedicated to helping the world's leading companies build stronger businesses — not just for today but for the future. This commitment to growth and sustainability is what makes Cognizant a unique place to advance your career.

Explore Job Opportunities

Whether you're looking for an entry-level position or a more senior role, Cognizant offers a plethora of job opportunities that could be perfect for you. Our hiring process is designed to be transparent and engaging, ensuring that every candidate is able to showcase their skills and potential fully.

Innovative Work

Join a team where innovation is at the core of everything we do. Cognizant’s professionals are not just part of a company; they're part of a groundbreaking environment that combines technology, insights, and leadership to foster innovation across global industries.

Internship Programs

Kickstart your career with Cognizant’s internship programs. These opportunities allow you to gain hands-on experience, develop your professional skills, and network with experts in your field. An internship at Cognizant is a stepping stone to full-time employment and a chance to see how your studies apply in the real world.

Professional Growth and Development

Cognizant is committed to the professional growth of its employees. With access to cutting-edge training, leadership programs, and diversity initiatives, you can build a career that’s equipped for the demands of tomorrow’s business landscape.

Benefits and Culture

Our employees enjoy a range of benefits designed to support their physical, financial, and emotional well-being. Cognizant’s culture is built on a foundation of respect and inclusivity, where everyone’s contribution is valued. Join us and be part of a team that celebrates diversity and is driven to make a positive impact on the world.

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Join Our Team Search open positions that match your skills and interests. We look for passionate, curious, creative, and solution-driven team players. Ready to take the next step in your career journey? Explore the exciting employment and career opportunities waiting for you at Cognizant.

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Networking and Interviews

Enhance your career prospects at Cognizant through our robust networking events. Prepare your resume, sharpen your interview skills, and connect with leaders across the industry to unlock new career paths. At Cognizant, we don’t just offer jobs; we offer career journeys. Be part of a team that’s committed to your long-term career growth and professional development. Join Cognizant today and be a part of our success story.
Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Information Technology
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ
CTSH
* Ladders Estimates

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