{"schemaVersion":"jobsearcher.job.v1","id":"a492f2e92eed9981e7b86b16","url":"https://jobsearcher.com/jobs/a492f2e92eed9981e7b86b16","canonicalUrl":"https://jobsearcher.com/jobs/a492f2e92eed9981e7b86b16","title":"Senior Java L3 Application Support Engineer - Core Banking & Payments","description":"Company Overview:\nReq ID: 388381\nNTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.\nNTT DATA's Client is seeking a Senior Java L3 Application Support Engineer - Core Banking & Payments to join our team in Dallas, Texas (US-TX), United States (US).\n\nJob Description – Senior Java L3 Application Support Engineer – Core Banking & Payments\nProvide Level 3 application support for critical banking platforms, including payments, clearing, settlement, digital banking, and related transaction-processing systems.\nLead troubleshooting and resolution of high-severity production incidents affecting transaction message flows, ledger processing, payment gateways, and other critical banking services.\nPerform code-level debugging of multi-threaded Java applications to identify and resolve complex application defects, data discrepancies, memory leaks, concurrency issues, and performance bottlenecks.\nConduct detailed Root Cause Analysis (RCA) for critical production incidents and implement appropriate corrective and preventive actions.\nDesign, develop, test, and deploy application enhancements, API hotfixes, patches, and structural bug fixes within an Agile Software Development Life Cycle (SDLC).\nAnalyze application logs, transaction flows, database execution paths, and system behavior to identify and resolve production issues.\nMonitor transaction processing and scheduled Unix/Linux batch jobs to identify failed transactions, processing errors, and abnormal system behavior.\nTroubleshoot and support enterprise Java applications developed using Spring, Spring Boot, Hibernate, and microservice-based architectures.\nInvestigate and resolve application integration and financial messaging issues involving RESTful APIs, Apache Camel, JMS, Kafka, ISO 20022, SWIFT, and related technologies.\nPerform advanced database troubleshooting using SQL across Oracle, PostgreSQL, and/or PL/SQL environments, including complex queries, joins, data validation, and indexing analysis.\nUse application monitoring and observability tools such as Splunk, Dynatrace, Datadog, and Grafana to analyze live production issues and application performance.\nSupport application uptime, availability, reliability, performance, and security for business-critical banking platforms.\nFollow established ITIL incident-management, problem-management, and change-management processes.\nApply secure coding and application support practices to protect sensitive banking and financial data.\nCollaborate with development, infrastructure, database, operations, business, and other technology teams to resolve production issues and implement application changes.\nBasic Qualifications:\nMinimum 5+ years of experience in enterprise Java application development, application support, production support, or a related technical role.\nHands-on experience with Java 8/11/17+, including multithreading, collections, object-oriented programming concepts, code-level debugging, and application troubleshooting.\nHands-on experience with enterprise Java frameworks and technologies such as Spring, Spring Boot, Hibernate, and/or microservices.\nExperience working with RESTful APIs and application integrations.\nExperience with messaging and integration technologies such as Apache Camel, JMS, Kafka, ISO 20022, and/or SWIFT.\nAdvanced experience with SQL and relational databases, including complex querying, joins, data analysis, troubleshooting, and indexing validation using Oracle, PostgreSQL, and/or PL/SQL.\nExperience troubleshooting live production systems using monitoring and observability tools such as Splunk, Dynatrace, Datadog, and/or Grafana.\nExperience performing Root Cause Analysis, production incident troubleshooting, code-level debugging, and application defect resolution.\nExperience supporting Unix/Linux-based environments, including troubleshooting scheduled batch processes and application jobs.\nExperience working within Agile SDLC, incident-management, change-management, and secure coding practices.\nMinimum 1+ year of experience working within Banking or Financial Services, including Investment Banking, Retail Banking, Corporate Banking, Wealth Management, Payments, or a related financial-services environment.\nTravel:\nNot specified in the source job description.\nDegree:\nDegree requirement not specified in the source job description.\nNice to Have:\n(But not a must)\nExperience supporting core banking or payment-processing platforms.\nExperience supporting clearing, settlement, ledger-processing, or digital-banking applications.\nExperience working with ISO 20022 or SWIFT financial messaging standards.\nExperience supporting highly available and business-critical financial applications.\nExperience working with ITIL-based incident, problem, and change-management processes.\nExperience troubleshooting performance issues involving multithreading, concurrency, memory utilization, and high-volume transaction processing.\n#LI-NorthAmerica\nAbout NTT DATA:\n\nNTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com\n\nNTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.","company":"NTT Data","rawCompany":"ntt data","city":"Dallas","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-09-06T13:28:56.102Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"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":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Java L3 Application Support Engineer - Core Banking & Payments","description":"Company Overview:\nReq ID: 388381\nNTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.\nNTT DATA's Client is seeking a Senior Java L3 Application Support Engineer - Core Banking & Payments to join our team in Dallas, Texas (US-TX), United States (US).\n\nJob Description – Senior Java L3 Application Support Engineer – Core Banking & Payments\nProvide Level 3 application support for critical banking platforms, including payments, clearing, settlement, digital banking, and related transaction-processing systems.\nLead troubleshooting and resolution of high-severity production incidents affecting transaction message flows, ledger processing, payment gateways, and other critical banking services.\nPerform code-level debugging of multi-threaded Java applications to identify and resolve complex application defects, data discrepancies, memory leaks, concurrency issues, and performance bottlenecks.\nConduct detailed Root Cause Analysis (RCA) for critical production incidents and implement appropriate corrective and preventive actions.\nDesign, develop, test, and deploy application enhancements, API hotfixes, patches, and structural bug fixes within an Agile Software Development Life Cycle (SDLC).\nAnalyze application logs, transaction flows, database execution paths, and system behavior to identify and resolve production issues.\nMonitor transaction processing and scheduled Unix/Linux batch jobs to identify failed transactions, processing errors, and abnormal system behavior.\nTroubleshoot and support enterprise Java applications developed using Spring, Spring Boot, Hibernate, and microservice-based architectures.\nInvestigate and resolve application integration and financial messaging issues involving RESTful APIs, Apache Camel, JMS, Kafka, ISO 20022, SWIFT, and related technologies.\nPerform advanced database troubleshooting using SQL across Oracle, PostgreSQL, and/or PL/SQL environments, including complex queries, joins, data validation, and indexing analysis.\nUse application monitoring and observability tools such as Splunk, Dynatrace, Datadog, and Grafana to analyze live production issues and application performance.\nSupport application uptime, availability, reliability, performance, and security for business-critical banking platforms.\nFollow established ITIL incident-management, problem-management, and change-management processes.\nApply secure coding and application support practices to protect sensitive banking and financial data.\nCollaborate with development, infrastructure, database, operations, business, and other technology teams to resolve production issues and implement application changes.\nBasic Qualifications:\nMinimum 5+ years of experience in enterprise Java application development, application support, production support, or a related technical role.\nHands-on experience with Java 8/11/17+, including multithreading, collections, object-oriented programming concepts, code-level debugging, and application troubleshooting.\nHands-on experience with enterprise Java frameworks and technologies such as Spring, Spring Boot, Hibernate, and/or microservices.\nExperience working with RESTful APIs and application integrations.\nExperience with messaging and integration technologies such as Apache Camel, JMS, Kafka, ISO 20022, and/or SWIFT.\nAdvanced experience with SQL and relational databases, including complex querying, joins, data analysis, troubleshooting, and indexing validation using Oracle, PostgreSQL, and/or PL/SQL.\nExperience troubleshooting live production systems using monitoring and observability tools such as Splunk, Dynatrace, Datadog, and/or Grafana.\nExperience performing Root Cause Analysis, production incident troubleshooting, code-level debugging, and application defect resolution.\nExperience supporting Unix/Linux-based environments, including troubleshooting scheduled batch processes and application jobs.\nExperience working within Agile SDLC, incident-management, change-management, and secure coding practices.\nMinimum 1+ year of experience working within Banking or Financial Services, including Investment Banking, Retail Banking, Corporate Banking, Wealth Management, Payments, or a related financial-services environment.\nTravel:\nNot specified in the source job description.\nDegree:\nDegree requirement not specified in the source job description.\nNice to Have:\n(But not a must)\nExperience supporting core banking or payment-processing platforms.\nExperience supporting clearing, settlement, ledger-processing, or digital-banking applications.\nExperience working with ISO 20022 or SWIFT financial messaging standards.\nExperience supporting highly available and business-critical financial applications.\nExperience working with ITIL-based incident, problem, and change-management processes.\nExperience troubleshooting performance issues involving multithreading, concurrency, memory utilization, and high-volume transaction processing.\n#LI-NorthAmerica\nAbout NTT DATA:\n\nNTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com\n\nNTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.","datePosted":"2026-09-06T13:28:56.102Z","dateModified":"2026-09-06T13:28:56.102Z","hiringOrganization":{"@type":"Organization","name":"NTT Data","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Dallas","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"a492f2e92eed9981e7b86b16"},"url":"https://jobsearcher.com/jobs/a492f2e92eed9981e7b86b16"}}