Mainframe Developer - Remote
YO AI Labs
Job DescriptionJob DescriptionCOBOL Developer – Remote Role Type: Contractor Location: RemoteRole Overview We are seeking experienced COBOL Developers to contribute their expertise to a high-impact customer project focused on training and improving next-generation AI systems. In this role, you will apply your deep knowledge of COBOL, mainframe environments, and legacy systems to evaluate technical content, document business logic, and provide expert feedback.No prior AI experience is required—your COBOL and mainframe expertise is what matters most.Key Responsibilities Analyze and interpret existing COBOL codebases, workflows, and business logic.Develop clear and accurate documentation of COBOL programs, system processes, and technical requirements.Review and evaluate COBOL code, pseudocode, and project scenarios for accuracy and completeness.Identify edge cases, ambiguities, potential defects, and areas requiring clarification.Annotate COBOL scripts and technical content to support the development of high-quality AI training datasets.Design and review test cases and scenarios representing real-world COBOL and mainframe applications.Provide expert guidance on legacy system architecture, integrations, and dependencies.Collaborate with project coordinators and technical experts through clear written and verbal communication.Ensure all submitted technical materials meet high standards of accuracy, consistency, and completeness.Support projects involving legacy-system modernization, migration, integration, or transformation where applicable.Required Qualifications Proven professional experience as a COBOL Developer or Mainframe Developer.Strong proficiency in COBOL programming and legacy application environments.Experience working with mainframe systems and related technologies.Strong understanding of complex legacy codebases, business rules, and system workflows.Excellent analytical and problem-solving skills.Ability to explain complex technical concepts clearly and accurately.Strong technical writing and documentation skills.Exceptional attention to detail.Ability to work independently and manage multiple deliverables in a remote environment.Preferred Qualifications Experience with large-scale mainframe migration, modernization, or integration projects.Familiarity with JCL, DB2, CICS, VSAM, or other common mainframe technologies.Experience reviewing or documenting legacy enterprise applications.Experience creating technical test scenarios or validating business logic.Experience working with distributed or remote technical teams.Prior experience contributing domain expertise to AI, data, or machine-learning projects is a plus, but not required.Skills COBOLMainframe DevelopmentLegacy SystemsJCLDB2CICSVSAMCode AnalysisTechnical DocumentationBusiness Logic AnalysisTest Case DesignProblem SolvingAttention to DetailTechnical CommunicationRemote Collaboration
- ...Job Title: Mainframe Developer Location: Remote (AZ or TX) Duration: Contract JD: • Develop and maintain core business applications using COBOL, JCL, CICS, and DB2. • Design and optimize batch processing, data extraction (DECAL), and reporting...Remote workMainframeContract work
$143.52k - $153.92k
...CTG is seeking to fill a High Availability Mainframe Developer position for our client. Location: Remote Duration: 12 months Duties: Develop, maintain, enhance, and support business-critical mainframe applications in a high-availability environment. Analyze...Remote workMainframeContract workLocal area- ...Job Title: Mainframe Developer Job Location: Remote( New York City,NY) Job Type:Contract Job descriptions : Role: Developing applications in a Mainframe environment with integration to distributed environment resolving complex and conflicting...Remote workMainframeContract work
$104k - $114.4k
...CTG is seeking to fill a Mainframe Developer – CA-MMIS position for our client. Location: Remote; candidates local to Sacramento, CA preferred Duration: 11 months Duties: Analyze business requirements and translate them into technical specifications and program...Remote workMainframeContract workLocal area- ...Senior Mainframe Developer - COBOL/DB2/JCL Irving, TX- Remote is OK (local candidates are preferred) Long Term Contract Mandatory Skills: IBM Mainframes, COBOL, DB2 SQL, JCL, Prod support, AI tools usage (GHCP, Gemini), automation (not mandatory but...Remote workMainframeLong term contractLocal area
- ...Role: Mainframe Developer IV Location: Cincinnati, OH Duration: Contract Pay Rate: $65- $70/hour on W2 Work Type: Remote TECHNICAL SKILLS Must Have Base SAS Programmer CICS COBOL COBOL Dev, QA Direct experience with AMTrust/AMAdministrator...Remote workMainframeContract workImmediate start
- ...Mainframe DeveloperLocation: Atlanta, GA (Remote) Need local to Atlanta Rate: 55JD:8+ years of Mainframe development experienceStrong in COBOL, CICS, JCL, SAS, DB2, VSAM, IAM, EZT, ICETOOL, SORT and REXXNeed to understand API for integrationNeed to understand databases...Remote workMainframeLocal area
- ...Ensono is seeking a Mainframe Systems Programmer focusing on CICS to provide premium support for z/OS environments. This role involves handling CSOs, problem resolution, and maintenance of CICS TS and related OEM products in a 24/7 global context. You will collaborate...Remote workMainframe
$100k - $110k
...Mainframe Professional Opportunity Triunity Software is looking for a talented Mainframe... ...to join our growing team in Austin, TX (Remote). This is an exciting opportunity to... ...you! Responsibilities Design, develop, and maintain mainframe applications and...Remote workMainframeWork experience placement- ...NAVA Software solutions is looking for a Sr. Mainframe Engineer Details: Role: Sr. Mainframe Engineer Location... ..., Somerset NJ, Austin TX, St. Louis MO, Morristown NJ Remote to start - Hybrid from Nov onwards Duration: 6-12...Remote workMainframe
- ...Ensono is seeking a Mainframe Systems Programmer to provide premium support for CICS and WAS on z/OS. The role focuses on installation,... ...deep knowledge of CICS TS/WAS, and proficiency with IBM SMP/E. Remote work within the United States is supported as part of a client-...Remote workMainframe
- ...Systems Programmer SeniorLocation: 100% remote (client location Charlotte North Carolina)Duration: 6+ MonthsES environment Data management... ..., diagnostics and issue resolution expertiseIBM z/OS mainframe support background including CICS experienceES Server System Administration...Remote workMainframe
- ...Role: Senior Mainframe Developer Location: Westlake TX (2 weeks onsite and 2 weeks remote) Job Type: Long Term Contract Rate: $55/hr C2C Candidate must have: The candidate should have at least 10+ years of experience in below :...Remote workMainframeLong term contract
- ...Job Summary: The Mainframe Developer will be responsible for analyzing, designing, coding, testing, and maintaining mainframe applications... ...with possibility of extension. Hybrid work schedule: 2 days in-office in Trenton, NJ, and 3 days remote per week....Remote workMainframeContract workFor contractorsWork at office3 days per week
- ...Working remotely on a contract basis, the Mainframe Developer will analyze and extend legacy Enterprise COBOL and Natural applications within an IBM z/OS environment to support composite reservoir accounts while ensuring data integrity and reliable production changes....Remote workMainframeContract work
- ...Title : Mainframe Cobol Developer Location: REMOTE The need is for a right-to-hire development resource with hands on IBM zOS Connect development experience supplemented by mainframe experience with COBOL/CICS and Endevor CAM experience . Of less importance...Remote workMainframe
- ...The Role ~ Client is seeking two mainframe developers f or code review and reverse engineering of mainframe to identify data source, data analysis and business logic for over 160 view direct reports. The Expertise You Have ~7+ years of experience as...Remote workMainframe
- ...About the job Lead Mainframe Programmer ***W2 only*** Position: Lead Mainframe Programmer Work Authorization: Any Location: 100% Remote ~ One should have min 110 linked connections & send profiles with work authorization copy Description:...Remote workMainframe
- ...Ensono seeks a Mainframe Systems Programmer – DB2 for premium DB2 sysprog support to mainframe clients. The role involves DB2 upgrades, administration, tuning, backups, restores, and performance analysis on z/OS environments. You will collaborate with vendor personnel...Remote workMainframe
- ...Ensono is seeking a Mainframe Systems Programmer – DB2 for the United States. Provide premium DB2 sysprog support and services to Ensono mainframe clients, upgrading DB2 software and performing administration and tuning to support customer environments. Work with vendor...Remote workMainframe
- ...Ensono is seeking a Mainframe Systems Programmer – DB2 with strong DB2 administration and mainframe z/OS experience. You will provide premium DB2 support, perform software upgrades, and ensure DR procedures and backups for clients. Expect on-call duties and 24/7 support...Remote workMainframe
- ...Ensono is seeking a Mainframe Systems Programmer – DB2 (Remote - United States) to deliver premium DB2 sysprog support for mainframe DB2 systems. The role includes upgrades, administration, tuning, and 24x7 support across multiple time zones. You will work with vendors...Remote workMainframe
- ...Overview: Job Title : Main Frame Developer Location : Remote Job Type : Long -Term Contract Provides counsel and advice to top management... ...complex Information Management assignments. • 5+ years mainframe experience, using Cobol, JCL, DB2 and VSAM •...Remote workMainframeLong term contractFlexible hours
- Job Title Job Requirements: - BM z/OS Operating System – installation, configuration, customization, and upgrades. - JCL (Job Control Language) – creating, debugging, and optimizing batch jobs. - System Utilities & Tools – ISPF, TSO, SDSF, REXX, CLIST. - System...Remote workMainframe
- Years Required/Preferred Experience 5 Required Experience with z/OS Systems Programming 5 Required Experience with JES2, z/OS Unix System Services (OMVS), Storage Management Subsystem (SMS) 3 ...Remote workMainframe
- ...Supporting client development efforts, the remote Senior Hogan IDS Developer will provide Hogan IDS development capabilities, including technical... ...with 10+ years of experience Strong technical skills in Mainframe/COBOL Bachelor's degree or equivalent combination of education...Remote workMainframe
- ...Just got an urgent request for Mainframe Developer that we need in by EOD. Do not need to screen, just if you have a Mainframe developer... ...Send it you got them! Fidelity 100% Remote Mainframe Developer $60 - $90 HR C2C...Remote workMainframeContract work
- Rocket Software is seeking a Principal Conversion Specialist to join our Conversion Engineering team in the USA. You will analyze environments, lead complex IBM Z security conversions, and work with customers and internal teams to implement migrations and enhance tooling...Remote workMainframe
- ...Job Description The Senior Application Developer is responsible for the design, development, and implementation of Legacy Systems... ...to analyze and understand existing processes and code ~ Mainframe Background a plus ESSENTIAL DUTIES AND RESPONSIBILITIES...Remote workMainframe
- ...Ensono is seeking a Mainframe Systems Programmer to provide premium support for CICS TS and WAS in a remote US setting. You will install, test, and maintain z/OS system software, monitor performance, and help with migrations and DR planning. The role requires 5+ years...Remote workMainframeFlexible hours
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