Mainframe Development
471 open positions
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Winter 2027 Co-op: COBOL Mainframe Developer (4 months)↗ CGIMontréal, QC, CA $0k–$0k12d Intern role focused on analyzing, correcting, developing, and testing COBOL programs within a Mainframe environment.
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?Application Development AS400 Developer / Administrator↗ Oklahoma City, OK, US 12d Develop, maintain, and administer legacy RPG-based applications and DB2 databases within an IBM AS/400 (IBM iSeries) environment for the Oklahoma Insurance Department.
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Senior Application Programmer – Mainframe Systems↗ AdvancioRemote 12d Design, develop, test, and maintain complex mainframe applications and enterprise systems, focusing on transaction processing and system modernization.
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Consultant - Datacom BroadcomUSA-TX Plano Legacy Drive Suite 700 $73k–$73k12d Consultant providing architectural design, development, and application support for Datacom and DBMS systems, serving clients and management.
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Business Analyst (React/TypeScript/Java)↗ Zenith InfotechSingapore, S00, SG 12d Translate business needs into technical requirements and support the development, testing, and maintenance of React/TypeScript frontend and Java backend applications.
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Application Engineer III (COBOL, Java) VanguardMalvern, PA 12d Modernize legacy mainframe platforms to cloud-based solutions, focusing on COBOL-to-Java conversion, data integration, and stored procedure optimization for Vanguard's wealth management systems.
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DESENVOLVEDOR COBOL (CWI Software)↗ JobbolRemote 12d Develop and maintain COBOL programs for existing systems, perform adjustments and corrections to support operational continuity, and support testing and validation of developed applications.
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Developer Senior ILE COBOL / IBM i (AS/400)↗ AvengaCórdoba, X, AR 12d Develop, maintain, and support mission-critical core banking applications and interfaces on the IBM i platform.
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Mainframe Lead Software Engineer↗ JPMorganChaseJersey City, NJ, US 13d Lead software engineer designing, developing, and maintaining secure, scalable technology products on z/OS mainframe and Java-based platforms for JPMorganChase's Consumer and Community Banking division.
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Technical Delivery Manager (Banking Domain) Ntt Singapore Pte. Ltd.Singapore 13d Manage system development, implementation, and support of strategic card projects and compliance on the mainframe platform, delivering solutions across the Cards technology stack.
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Développeur Cobol H/F EverienceVannes, Brittany, fr 14d Cobol developer responsible for the full product lifecycle including analysis, design, development, integration, and testing of solutions within an agile team.
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Technical Support Lead Analyst - Cigna Healthcare CignaBengaluru, India 15d Level 2 production support for business-critical applications on the IBM i / AS400 platform, ensuring stability during critical transaction windows and overnight batch processing.
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Hogan Core Banking COBOL Developer↗ Etek It Services, Inc.Remote $114k–$114k15d Develop, maintain, and enhance Hogan Core Banking platform applications, specifically focusing on CASA and Deposits modules.
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Techno-Functional Business Analyst↗ Ariston Services Pte. Ltd.Geylang, S00, SG 15d Bridge business needs with technical implementation for enterprise and custom solutions, focusing on frontend enhancements, backend stability, and legacy system maintenance.
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Senior Technical Lead↗ HCLTechKA, IN 15d Lead the design, development, and delivery of mainframe solutions, ensuring technical quality and guiding engineers in translating requirements into robust, secure, and maintainable production systems.
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Mainframe developer( Cobol, JCL, DB2)↗ UstKA, IN 15d Senior Mainframe Developer responsible for developing, maintaining, and supporting online and batch applications on IBM z/OS.
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Senior Mainframe COBOL Developer (Debit Card Processing)↗ TechnovalRemote $0k–$0k15d Design, develop, enhance, and maintain COBOL batch and online applications on IBM z/OS Mainframe for high-volume banking transaction systems supporting debit card authorization and batch processing.
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Software Engineer↗ Elliott Moss Consulting Pte. Ltd.City Hall, S00, SG 15d Develop, maintain, and troubleshoot web applications and legacy systems while performing data analysis and batch processing support.
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Mainframe Developer – BAU - (W2 position)↗ Syncreon ConsultingNew York, NY, US 15d Mainframe developer supporting business-as-usual operations and leading modernization projects to migrate legacy systems to distributed architectures.
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Assembler Developer – SDE I↗ CsgRemote 15d Design, develop, and test high-quality software applications and support mainframe assembler development activities.
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Application Developer↗ Leader Communications IncorporatedOklahoma City, OK, US 15d Maintain, modify, and optimize custom legacy application code and manage databases for a hosted IBM AS/400 (IBM i) environment.
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Release Programmer (RPG)↗ Jack Henry & AssociatesRemote $57k–$75k16d Provide programming support for new releases and existing software enhancements for the Card Processing Solutions (CPS) platform serving financial institutions.
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Senior Mainframe Engineer - Wealth/Trust Services MtbWilmington, DE $107k–$107k16d Design, develop, and maintain high-quality batch processes and solutions for Trust Reporting (TRS/WSE) systems while advancing mainframe ecosystem modernization.
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Senior Mainframe Support Engineer DxctechnologyHUN - BU - BUDAPEST 16d Senior Mainframe Support Engineer responsible for deep-level troubleshooting, incident management, and maintaining z/OS, CICS, DB2, and related infrastructure.
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US Principal, IT Software Engineer HenryscheinFort Worth - Texas $170k–$170k16d Design, develop, test, and maintain complex software applications and reports for business-critical production environments, specifically within distribution business systems and warehouse management software.
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COBOL Developer InetumLisbon, Lisbon, pt 16d Develop, maintain, and enhance critical Custody Services applications on mainframe systems to ensure stability and business continuity.
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Lead Data Engineer - DB2 DBA J-P-MorganUSA $61k–$61k17d Lead Data Engineer responsible for maintaining, supporting, and optimizing Db2 database applications in a mainframe environment.
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IBM z/OS Integration Consultant↗ Ntt DataMadrid, MD, ES 17d Design, configure, and support enterprise integration solutions connecting distributed applications with core banking services on IBM z/OS.
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Core Developer I (Card Squad)↗ Corelation IncSan Diego, CA, US 17d C++ software developer supporting card conversion and data modification within Db2 environments.
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CICS Mainframe Systems Programmer NttlimitedMadrid, Spain 17d Ensure stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment.
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SSDD (Mainframe) AccentureMexico City 17d Mainframe professional responsible for DB2 z/OS database optimization, COBOL application development/maintenance, and batch process automation for banking clients.
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COBOL DB2 Senior Software Engineer Sopra-SteriaChennai, Tamil Nadu, in 17d Coding, unit testing, application development/support, bug fixing, and incident resolution for legacy systems.
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Software Developer (m/f/d)↗ FujitsuRemote 18d Develop core operating system components for the BS2000 mainframe and support the full software lifecycle.
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Sr. Software Engineer (Mainframe - Cobol) UsbankIrving, TX, US $120k–$120k18d Design, develop, test, debug, document, and maintain complex Mainframe applications supporting critical business functions in the financial sector.
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?Softwareentwickler AS/400 (m/w/d) Remote 19d Developing new software solutions and applications within an existing AS/400 system landscape, maintaining and upgrading ERP software.
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WoW Software Engineer - Host↗ Natwest GroupTN, IN 19d Engineer and maintain innovative, customer-centric, high-performance, secure, and robust solutions for business-critical Tier 1 applications.
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Software Development Engineering - Sr Professional II FiservGurgaon, India 19d Design, develop, install, support, and maintain VisionPLUS functional solutions (CMS and FAS modules) in a mainframe environment to enhance card processing and financial services delivery.
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TECHNICAL LEAD L1↗ WiproMH, IN 20d Develop and review module-level code, create replication patterns, and perform root cause analysis to ensure stable application solutions.
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DevSecOps Engineer↗ Nielsen40, TH 21d Design, build, and maintain high-volume business logic on mainframes while refactoring legacy code to enable modern cloud and mobile application integration.
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?COBOL Developer with wealth and asset management experience↗ Remote $125k–$125k21d Develop and maintain mainframe applications for wealth and asset management systems, specifically handling stock market corporate actions and system interfaces.
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RPG Developer – Remote 2865↗ XideralRemote 21d Develop, maintain, and support business-critical applications on the IBM i (AS/400) platform, focusing on RPG programming and database management.
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Staff Engineer, Mainframe (Natural-Adabas) NagarroRemote, in 21d Develop, maintain, and support applications using Natural-Adabas technologies on mainframe systems.
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