Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

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

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Mainframe Developer - Remote in San Francisco, CA vacancy
  •  ...Job Description Senior Mainframe Developer (COBOL / Hogan) – 12+ month contract - 100% Remote (EST) Optomi, in partnership with a national banking organization, is seeking a Senior Software Engineer to support and enhance critical banking systems. This role focuses... 
    Remote job
    Mainframe
    Contract work

    Optomi

    West Virginia
    2 days ago
  •  ...Job Description Remote Position MAINFRAME DEVELOPER //Des Moines, IA 50319 /IA MAINFRAME DEVELOPER 510 E. 12th St, Office 1, Des Moines, IA 50319 100% Remote $/hr on W2 The State is undertaking a modernization initiative to replace an aging eligibility... 
    Remote work
    Mainframe
    Work at office

    Career Soft Solutions Inc

    Des Moines, IA
    2 days ago
  •  ...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 work
    Mainframe
    Local area

    E-Solutions

    Atlanta, GA
    1 day ago
  •  ...: 25516042Reference Number: 25-00442Title: Mainframe DeveloperLocation: Wayne, NJ, 07470Posted Date...  ...2-9491Company: HAN StaffingRole: Mainframe Developer Location: Wilmington DE-5 days onsite must.-Relocation is okay but NO REMOTE Candidates with mentioned skills please... 
    Remote work
    Mainframe
    Relocation

    HAN Staffing

    Wayne, PA
    3 days ago
  •  ...Lead Mainframe ProgrammerPosition: Lead Mainframe ProgrammerWork Authorization: AnyLocation: 100% Remote***W2 only***Description:10+ years of experience.Candidate must have recent experience in leading an offshore teamSkills using COBOL, DB2 or similar DataBase(IMS), VSAM... 
    Remote work
    Mainframe

    Knack Solutions

    Idaho Springs, CO
    5 days ago
  •  ...their own expense prior to starting. This position can work 100% remotely (within the state of WI). Job Description Software...  ...experience with Ca-Gen development analysis and design in a mainframe DB2 Client server environment. ~ Good oral and written communication... 
    Remote work
    Mainframe
    Relocation

    Kaav Inc.

    United States
    4 days ago
  •  ...To support a project with the State of South Carolina, the contract Senior Mainframe Developer will work remotely to enhance an existing mainframe accounting platform, focusing on Composite Reservoir Accounts and modifying COBOL programs while ensuring accurate financial... 
    Remote work
    Mainframe
    Contract work
    Night shift

    Virtual Vocations Inc

    United States
    3 days ago
  •  ...Mainframe Assembler DeveloperLocation: Hybrid in Addison, TX or Charlotte, NC (3 days in office 2 days remote) Relo candidates are fineDuration: 12+ Month Contract to hireWe are seeking...  ...experienced Mainframe Assembler Developer to support and enhance a mission-critical... 
    Remote work
    Mainframe
    Contract work
    Work at office

    Anveta

    Charlotte, NC
    5 days ago
  • $50 per hour

     ...Back Mainframe Developer Application Development Columbia , South Carolina Contract 100% Remote Oct 29, 2026 Mainframe Developer Job at a Glance Title: Mainframe Developer Location: Columbia, SC - Remote Contract: W2 only Pay: $ 50/hour + optional... 
    Remote work
    Mainframe
    Contract work

    CEI

    Columbia, SC
    4 days ago
  •  ...Senior Mainframe/COBOL DeveloperWe are seeking a senior-level Mainframe/COBOL Developer. This role involves new development, adding features, and enhancing functionality...  ...Warren, MI from Tuesday to Thursday each week and remote work on Monday and Friday.Key... 
    Remote work
    Mainframe
    Monday to Friday

    Saxon Global

    Warren, MI
    1 day ago
  •  ...Mainframe Systems Programmer (Tivoli) Duration: 6+ months Location: Remote Visa type: only USC, GC Interview mode: telephonic, skype Note: Overall they are looking out for 9+ years of experience. BMC Auto Operator to IBM Tivoli Automation - seasoned... 
    Remote work
    Mainframe

    Kaav Inc.

    United States
    4 days ago
  •  ...Supporting client mainframe network environments, the full-time remote Mainframe Systems Programmer will plan, install, administer, and maintain network-related...  ...or equivalent work experience Experience in developing, leading, and managing system programming projects... 
    Remote work
    Mainframe
    Full time
    Work experience placement

    Virtual Vocations Inc

    United States
    2 days ago
  • $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 work
    Mainframe
    Contract work
    Local area

    Computer Task Group, Inc

    Remote
    21 days ago
  • $55 per hour

     ...Job DescriptionJob Description Job title: Sr Mainframe Developer Rate: $55/hr Role is remote Years of experience required: 10 Mandatory skills: COBOL, DB2, MQ, CICS Required Skills & Experience Strong experience in Mainframe technologies, COBOL, JCL, DB2, VSAM, CICS and... 
    Remote work
    Mainframe

    Diverse Lynx

    Hartford, CT
    4 days ago
  •  ...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 work
    Mainframe
    Contract work
    Immediate start

    CBTS

    Lorain, OH
    23 hours ago
  •  ...Job DescriptionJob DescriptionCOBOL Developer – Remote Role Type: Contractor Location: RemoteRole Overview We are seeking experienced COBOL...  ...In this role, you will apply your deep knowledge of COBOL, mainframe environments, and legacy systems to evaluate technical content... 
    Remote work
    Mainframe
    For contractors

    YO AI Labs

    Dallas, TX
    3 days ago
  • $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 work
    Mainframe
    Contract work
    Local area

    Computer Task Group, Inc

    Remote
    21 days ago
  • Ensono is seeking a Senior Mainframe Systems Programmer - CICS to provide premium mainframe support focused on CICS TS and OEM products...  ...knowledge, and excellent communication skills. The role offers remote-friendly options and on-call responsibilities. #J-18808-Ljbffr... 
    Remote job
    Mainframe

    African American Talent

    Los Angeles, CA
    16 hours ago
  • $94.15k - $135.01k

     ...is currently hiring for Natural ADABAS Developer with 8+ years of experince to analyze and...  ...Top Secret clearance and will be a fully remote position within the United States....  ...Experience of large-scale applications on a mainframe platform or client server environment developing... 
    Remote work
    Mainframe
    Full time
    Currently hiring

    Govcio LLC

    Remote
    17 days ago
  •  ...Job DescriptionJob DescriptionHansen Talent Group is seeking a strong COBOL developer with in-depth experience supporting Mainframe applications. This role is open to remote candidates able to obtain a security clearance. The COBOL developer will be responsible for the... 
    Remote work
    Mainframe

    Hansen Talent Group

    Columbia, SC
    3 days ago
  • $55 - $60 per hour

     ...sponsorship at this moment." Location: Remote Duration: 12 Months Pay rate: $55-60 /hr...  ...write complex Teradata SQL, understand mainframe batch processes, and have hands-on scripting...  ...by 2x Get notified about new Teradata Developer jobs in United States . Related jobs Senior... 
    Remote work
    Mainframe
    Full time
    Contract work
    Part time

    ASK Consulting LLC

    New York, NY
    5 days ago
  •  ...Senior Mainframe COBOL Developer With Insurance FunctionsLocation: Remote (local to Dallas preferred as candidate can visit the office as and when required). Duration: Longterm Contract• 10+ years of hands on experience developing and supporting mainframe applications... 
    Remote work
    Mainframe
    Contract work
    Work at office
    Local area

    E-Solutions

    Dallas, TX
    1 day ago
  •  ...team of 15-20 engineers on a large-scale mainframe modernization initiative. You will help...  ...modern replacement systems. This is a 100% remote role with no on-call support required....  ...preserved Partner with architects and developers to align legacy system behavior with new... 
    Remote work
    Mainframe

    EPAM Systems

    New York, NY
    1 day ago
  •  ...To support ongoing projects, the contract Mainframe Application Developer will design, develop, and maintain mainframe applications while collaborating with cross-functional teams. Key responsibilities Design and implement mainframe applications based on project requirements... 
    Remote work
    Mainframe
    Ongoing contract

    Virtual Vocations Inc

    United States
    5 days ago
  •  ...division of the Trimarc Group Inc., is currently seeking a Mainframe Systems Programmer for a REMOTE CONTRACT position. This qualified individual will be...  ...us to combine our experiences in the IT industry to develop effective, customized solutions quickly and efficiently... 
    Remote work
    Mainframe
    Permanent employment
    Contract work

    Precision Resources

    Birmingham, AL
    5 days ago
  •  ...Senior Mainframe Developer – Job Description: Job Summary: We are seeking an experienced Senior Mainframe Developer to design, develop, maintain, and enhance enterprise mainframe applications. The ideal candidate will have strong experience with IBM mainframe technologies... 
    Remote work
    Mainframe
    Permanent employment

    EnIn Systems

    Newark, NJ
    2 days ago
  •  ...Senior Software Development Engineer – Mainframe (Claims)The Senior Software Development Engineer – Mainframe (Claims) is a senior individual contributor responsible for developing, enhancing, and supporting enterprise claims adjudication and financial processing systems... 
    Remote work
    Mainframe

    Insight Global

    Chemung, NY
    1 day ago
  •  ...Sr. Software Engineer Location: Remote in the U.S. (must reside in Eastern or Central...  ...-level systems language ~ Familiarity developing software in an Agile environment...  ...Authorizations, Systems Programming, SDLC, TAL, HPNS, Mainframe, Mission-Critical Systems... 
    Remote work
    Mainframe
    Contract work

    Agile Resources Inc

    United States
    4 days ago
  •  ...Description Remote ~ Candidates must be located in these states: Arizona, Connecticut,...  ...Wisconsin Our client seeks experienced .NET Developers to support a large-scale modernization initiative replacing legacy mainframe applications with modern .NET-based... 
    Remote work
    Mainframe
    Contract work

    Eliassen Group

    New York, NY
    5 days ago
  •  ...To support mainframe operations, the remote Azure Cloud Engineer will manage outsourcing providers, oversee troubleshooting and optimization of mainframe...  ..., providing first-line support across organizations Develop performance reports and streamline operations by creating... 
    Remote work
    Mainframe

    Virtual Vocations Inc

    United States
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mainframe Developer - Remote. Be the first to apply!