Mainframe Development
414 open positions
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DESENVOLVEDOR COBOL (CWI Software)↗ JobbolRemote 15d Develop and maintain COBOL programs for existing systems, perform adjustments and corrections to support operational continuity, and support testing and validation of applications.
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Mainframe Lead Software Engineer↗ JPMorganChaseJersey City, NJ, US 16d 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 17d 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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Techno-Functional Business Analyst↗ Ariston Services Pte. Ltd.Geylang, S00, SG 18d 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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Winter 2027 Co-op: AS400 / IBM i Developer (4 months)↗ CGIMontréal, QC, CA $0k–$0k18d Intern role focused on application maintenance, development, and support on the IBM i / AS400 platform.
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Software Engineer↗ Elliott Moss Consulting Pte. Ltd.City Hall, S00, SG 18d Develop, maintain, and troubleshoot web applications and legacy systems while performing data analysis and batch processing support.
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Application Support Analyst - Contract↗ Zenith InfotechSingapore, S00, SG 18d Bridge business needs and technical delivery by supporting React/TypeScript, Java, and legacy COBOL/JCL systems.
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Senior Technical Lead↗ HCLTechKA, IN 18d 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 18d Senior Mainframe Developer responsible for developing, maintaining, and supporting online and batch applications on IBM z/OS.
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REMOTE - PEP Mainframe / COBOL Developer↗ Etek It Services, Inc.Remote $114k–$114k18d Maintain and enhance Fiserv PEP+ applications to ensure smooth ACH transaction processing and resolve production issues.
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Senior Mainframe COBOL Developer (Debit Card Processing)↗ TechnovalRemote $0k–$0k18d 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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Application Developer↗ Leader Communications IncorporatedOklahoma City, OK, US 18d Maintain, modify, and optimize custom legacy application code and manage databases for a hosted IBM AS/400 (IBM i) environment.
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Mainframe Developer – BAU - (W2 position)↗ Syncreon ConsultingNew York, NY, US 18d Mainframe developer supporting business-as-usual operations and leading modernization projects to migrate legacy systems to distributed architectures.
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Technical Support Lead Analyst - Cigna Healthcare CignaBengaluru, India 18d 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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Assembler Developer – SDE I↗ CsgRemote 18d Design, develop, and test high-quality software applications and support mainframe assembler development activities.
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US Principal, IT Software Engineer HenryscheinFort Worth - Texas $170k–$170k19d 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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Senior Mainframe Support Engineer DxctechnologyHUN - BU - BUDAPEST 19d Senior Mainframe Support Engineer responsible for deep-level troubleshooting, incident management, and maintaining z/OS, CICS, DB2, and related infrastructure.
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Senior Mainframe Engineer - Wealth/Trust Services MtbWilmington, DE $107k–$107k19d 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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Release Programmer (RPG)↗ Jack Henry & AssociatesRemote $57k–$75k19d Provide programming support for new releases and existing software enhancements for the Card Processing Solutions (CPS) platform serving financial institutions.
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COBOL Developer InetumLisbon, Lisbon, pt 20d Develop, maintain, and enhance critical Custody Services applications on mainframe systems to ensure stability and business continuity.
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CICS Mainframe Systems Programmer NttlimitedMadrid, Spain 20d Ensure stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment.
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CICS Mainframe Systems Programmer↗ Ntt DataMadrid, MD, ES 20d Ensure stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment.
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SSDD (Mainframe) AccentureMexico City 20d Mainframe professional responsible for DB2 z/OS database optimization, COBOL application development/maintenance, and batch process automation for banking clients.
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Core Developer I (Card Squad)↗ Corelation IncSan Diego, CA, US 20d C++ software developer supporting card conversion and data modification within Db2 environments.
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Senior Product Manager BroadcomUnited Kingdom-Remote Location 20d Drive strategy, vision, and roadmap for Open Mainframe Solutions (Zowe API Mediation Layer, CLI, VS Code extensions) to empower customers to modernize, automate, and integrate mainframe applications.
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COBOL DB2 Senior Software Engineer Sopra-SteriaChennai, Tamil Nadu, in 21d Coding, unit testing, application development/support, bug fixing, and incident resolution for legacy systems.
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Sr. Software Engineer (Mainframe - Cobol) UsbankIrving, TX, US $120k–$120k21d Design, develop, test, debug, document, and maintain complex Mainframe applications supporting critical business functions in the financial sector.
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Software Developer (m/f/d)↗ FujitsuRemote 21d Develop core operating system components for the BS2000 mainframe and support the full software lifecycle.
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WoW Software Engineer - Host↗ Natwest GroupTN, IN 22d Engineer and maintain innovative, customer-centric, high-performance, secure, and robust solutions for business-critical Tier 1 applications.
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?Softwareentwickler AS/400 (m/w/d) Remote 22d Developing new software solutions and applications within an existing AS/400 system landscape, maintaining and upgrading ERP software.
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TECHNICAL LEAD L1↗ WiproMH, IN 23d Develop and review module-level code, create replication patterns, and perform root cause analysis to ensure stable application solutions.
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?COBOL Developer with wealth and asset management experience↗ Remote $125k–$125k24d Develop and maintain mainframe applications for wealth and asset management systems, specifically handling stock market corporate actions and system interfaces.
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DevSecOps Engineer↗ Nielsen40, TH 24d 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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RPG Developer – Remote 2865↗ XideralRemote 24d 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 25d Develop, maintain, and support applications using Natural-Adabas technologies on mainframe systems.
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Senior z/OS Systems Programmer EnsonoHyderabad, India 25d Senior z/OS Systems Programmer maintaining and advancing core mainframe operating system environment, designing digital platform services, ensuring quality/security/reliability, and optimizing Parallel Sysplex configurations.
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System Engineer - Information Technology Division, Rakuten General Insurance Co., Ltd.(Secondment) RakutenTokyo, Japan 25d System Engineer leading in-house development projects for non-life insurance operations, translating business requirements into system specifications and managing full-cycle development.
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Software Engineer, Mainframe & Legacy Platforms – Expert-Lead↗ 4solution GroupRemote 25d Leading modernization of mainframe and legacy platforms, resolving critical issues, and transferring knowledge.
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Actuarial Senior Software Engineer, Mainframe NorthwesternmutualMilwaukee, WI Corporate $119k–$119k25d Develop and maintain mainframe-based reinsurance systems handling customer premiums, claim payments, and reserve calculations.
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?Softwareentwickler (m/w/d) Mainframe & Java Hamburg, HAMBURG 26d Senior Mainframe & Java engineer leading the transformation of legacy insurance systems to modern cloud-native architectures.
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Mainframe Developer↗ CibcRemote 26d Lead planning, technical design, and development of complex, enterprise-scale mainframe applications to support financial governance, operational excellence, and decision-making.
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?Softwareentwickler (w/m/d) Cobol Remote 26d Modernizing IBM Mainframe legacy applications (Cobol, z/OS) and ensuring their evolution, replacement, and integration into heterogeneous environments.
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Senior Programmer (IBM iSeries-RPG IV)↗ Brown & Brown InsuranceRemote, US $80k–$80k26d Analyze and resolve technical system and application issues on the IBM iSeries platform, oversee ongoing operations and maintenance, and lead projects from definition through implementation.
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