{"schemaVersion":"jobsearcher.job.v1","id":"a8856ac0f82be2f7e318735b","url":"https://jobsearcher.com/jobs/a8856ac0f82be2f7e318735b","canonicalUrl":"https://jobsearcher.com/jobs/a8856ac0f82be2f7e318735b","title":"Senior Java API Integration Engineer","description":"About the role\nAs 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.\nIn this role, you will:\nImplement and integrate Fiserv PEP+ Direct APIs for customer onboarding, ACH origination, inquiries, and status tracking.\nDevelop and maintain REST and SOAP API integrations using JSON, WSDL, and OpenAPI/Swagger.\nSupport ACH exception, return, investigation, and reconciliation processes.\nParticipate in technical design, testing, implementation, deployments, and production support.\nTroubleshoot integration and operational issues, identify root causes, and coordinate timely resolution.\nSupport API gateways, secure service-to-service communication, API publishing, subscriptions, token management, and webhooks.\nCollaborate with business and technology teams to deliver reliable payment solutions.\nLocation: Buffalo, New York.\nWork model\nWe 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.\nThe 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.\nVisa sponsorship\nThis position is not eligible for visa transfer or sponsorship, now or in the future.\nCompensation\nThe annual salary for this position is $81,337 to $136,000 depending on experience and other qualifications of the successful candidate.\nThis 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.\nCognizant 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.\nWhat you need to have to be considered\nHands-on experience implementing banking or payment-service API integrations.\nStrong Java and Spring Boot development experience.\nExperience developing and integrating REST and SOAP APIs using JSON, WSDL, and OpenAPI/Swagger.\nKnowledge of API gateways, API publishing, subscriptions, and secure service-to-service communication.\nExperience with OAuth 2.0, TLS/mTLS, certificates, tokens, and secure authentication practices.\nExperience developing webhooks or event-driven integrations.\nStrong SQL skills and experience supporting financial-services applications.\nProfessional experience working in banking or financial services.\nThese will help you stand out\nExperience implementing or integrating Fiserv PEP+ or PEP+ Direct.\nExperience integrating with mainframe platforms, including z/OS and DB2 for z/OS.\nKnowledge of Treasury Management or embedded-banking solutions.\nUnderstanding of ACH processing, NACHA rules, credits, debits, returns, NOCs, and CCD and CTX transaction types.\nExperience supporting ACH onboarding, origination, warehouse inquiries, payment-status workflows, exceptions, reconciliation, and fraud controls.\nExperience providing production support in regulated or high-volume payment environments.\nWe'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.\nCompensation 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.","company":"Cognizant","rawCompany":"cognizant","city":"Buffalo","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-08-19T12:53:16.460Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"522320","title":"Financial Transactions Processing, Reserve, and Clearinghouse Activities","slug":"financial-transactions-processing-reserve-and-clearinghouse-activities"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Java API Integration Engineer","description":"About the role\nAs 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.\nIn this role, you will:\nImplement and integrate Fiserv PEP+ Direct APIs for customer onboarding, ACH origination, inquiries, and status tracking.\nDevelop and maintain REST and SOAP API integrations using JSON, WSDL, and OpenAPI/Swagger.\nSupport ACH exception, return, investigation, and reconciliation processes.\nParticipate in technical design, testing, implementation, deployments, and production support.\nTroubleshoot integration and operational issues, identify root causes, and coordinate timely resolution.\nSupport API gateways, secure service-to-service communication, API publishing, subscriptions, token management, and webhooks.\nCollaborate with business and technology teams to deliver reliable payment solutions.\nLocation: Buffalo, New York.\nWork model\nWe 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.\nThe 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.\nVisa sponsorship\nThis position is not eligible for visa transfer or sponsorship, now or in the future.\nCompensation\nThe annual salary for this position is $81,337 to $136,000 depending on experience and other qualifications of the successful candidate.\nThis 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.\nCognizant 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.\nWhat you need to have to be considered\nHands-on experience implementing banking or payment-service API integrations.\nStrong Java and Spring Boot development experience.\nExperience developing and integrating REST and SOAP APIs using JSON, WSDL, and OpenAPI/Swagger.\nKnowledge of API gateways, API publishing, subscriptions, and secure service-to-service communication.\nExperience with OAuth 2.0, TLS/mTLS, certificates, tokens, and secure authentication practices.\nExperience developing webhooks or event-driven integrations.\nStrong SQL skills and experience supporting financial-services applications.\nProfessional experience working in banking or financial services.\nThese will help you stand out\nExperience implementing or integrating Fiserv PEP+ or PEP+ Direct.\nExperience integrating with mainframe platforms, including z/OS and DB2 for z/OS.\nKnowledge of Treasury Management or embedded-banking solutions.\nUnderstanding of ACH processing, NACHA rules, credits, debits, returns, NOCs, and CCD and CTX transaction types.\nExperience supporting ACH onboarding, origination, warehouse inquiries, payment-status workflows, exceptions, reconciliation, and fraud controls.\nExperience providing production support in regulated or high-volume payment environments.\nWe'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.\nCompensation 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.","datePosted":"2026-08-19T12:53:16.460Z","dateModified":"2026-08-19T12:53:16.460Z","hiringOrganization":{"@type":"Organization","name":"Cognizant","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Buffalo","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"a8856ac0f82be2f7e318735b"},"url":"https://jobsearcher.com/jobs/a8856ac0f82be2f7e318735b"}}