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4 cobol developer jobs at 4 companies in Delaware

2w
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Mainframe Developer
Newark, Delaware, United States
$100k-$110k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
7+ YOE7+ years mainframe development experience with COBOL 370, JCL/PROCS, EZTrieve Plus, IMS, VSAM, DB2, and IBM utilities; Agile experience and strong written/verbal communication.
COBOL 370, EZTrieve Plus, JCL, PROCS, FILEMANAGER, SYNCSORT, SUPERC, COMPAREX, IEBGENER, IMS DC/DB, VSAM, DB2, NDM, CA7 Scheduler, ISPW, Agile
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1mo
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Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Tampa
$156k-$234k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
Hands-on .Net engineering for high-throughput payment platforms, microservices, Kafka, Oracle/MongoDB, cloud-native (OpenShift/AWS), Kubernetes/Docker, CI/CD, Jenkins, and platform leadership; AI/ML integration and strong stakeholder communication.
.Net, React, Kafka, Oracle, Microsoft SQL, MongoDB, Spring MVC, Spring Boot, REST APIs, Jenkins, Gradle, Maven, Grafana, OpenShift, AWS, Kubernetes, Docker, GitHub Copilot, Gemini, LLMs, JVM, CI/CD, TDD, Python, Pinecone, Weaviate, LangChain, AutoGen, COBOL, Assembler, C++
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1mo
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Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Irving
$156k-$234k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
10+ YOE10+ years .Net experience, microservices, Kafka, Oracle/MongoDB, cloud-native (OpenShift/AWS), Kubernetes/Docker, CI/CD (Jenkins, Gradle/Maven), JVM performance tuning, API design, secure engineering, Agile/SAFe. Bachelor's required; Master's preferred.
.Net, REST APIs, Spring MVC, Spring Boot, Kafka, Oracle, Microsoft SQL, MongoDB, OpenShift, AWS, Kubernetes, Docker, CI/CD, Jenkins, Gradle, Maven, Grafana, GitHub Copilot, LLMs, Gemini, JVM, Python, Pinecone, Weaviate, LangChain, AutoGen, COBOL, Assembler, C++, React
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1w
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Technical Professional Services - Sr Professional II
Omaha or Wilmington
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
4+ YOE4+ years in software implementations, data conversions, or professional services; experience analyzing complex data sets, developing conversion specifications, coordinating testing, and communicating with clients and stakeholders.
Fiserv Optis, Microsoft Office, Microsoft Excel, COBOL, IBM Job Control Language (JCL), TSO/TPX, API
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