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  • Senior Systems Programmer - Storage

     ...Senior Systems Programmer - StorageRemote - United StatesJR012900 At Ensono, our Purpose is to be a relentless ally, disrupting the...  ...: In this role you will be joining a team of technical Mainframe Disaster Recovery professionals supporting a large-scale Disaster... 
    Mainframe
    Senior
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Ensono

    Jefferson City, MO
    2 days ago

  • Senior Software Engineer (Mainframe/COBOL)

    $115k - $184k

     ...realize their greatest potential. Title and Summary Senior Software Engineer (Mainframe/COBOL) Overview . Minimum 4 Years of Mainframe...  ...• Core Payments of MasterCard is involved in developing Authorization, Clearing, Debit and other major functionalities... 
    Mainframe
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    2 days ago

  • Sr. Mainframe Application Developer

     ...customer experiences, and fully integrate data across the enterprise. What You'll Do Teradata is looking for a skilled Mainframe Developer to join our Customer Developer Tools (CDT) organization. This role is critical in supporting and evolving our mainframe-based... 
    Mainframe
    Senior
    Permanent employment
    Flexible hours

    Teradata

    Jefferson City, MO
    1 day ago

  • Mainframe developer

     ...Hello All, I hope you're doing well. Role: Mainframe developer Location: Jefferson City, MO Hybrid role weekly three days onsite Type: C2C/W2 Duration: 6+ Months Client : Wipro/State of MO Job Description:... 
    Mainframe

    My3Tech Inc

    Jefferson City, MO
    1 day ago

  • Senior Developer - AWS M2

    $86k - $144k

     ...promises.  We are looking for a highly skilled and experienced Senior Developer with over 10 years of experience in software development,...  ...(LOB). The ideal candidate will have deep expertise in AWS Mainframe Modernization (AWS M2) , strong secondary skills in Power... 
    Mainframe
    Senior
    Work at office

    Kemper

    Saint Louis, MO
    more than 2 months ago

  • Mainframe Developer with Medicaid

     ...Hello Job Title: Mainframe Developer with Medicaid Location: Remote Contract: 6+Months Job Description: Must have strong expexperience with MMIS/Medicaid along with below. Responsible for supporting and enhancing Medicaid-related mainframe... 
    Mainframe
    Contract work
    Remote work

    My3Tech Inc

    Jefferson City, MO
    3 days ago

  • Senior Mainframe System Programmer - zOS

    $80k - $148k

     ...Senior Mainframe System Programmer - zOSRemote - United StatesJR013018 Position Summary The Senior Mainframe Systems Programmer provides support for on-going projects that require the installation, testing, and implementation of new z/OS operating systems and... 
    Mainframe
    Senior
    Full time
    Temporary work
    Work experience placement
    Remote work
    Work from home
    Flexible hours

    Ensono

    Jefferson City, MO
    1 day ago

  • Mid-Senior Mainframe Operator - IBM z/OS & Automation

    A technology firm is seeking an IT Mainframe Operator to manage IBM mainframe systems. The operator will oversee system tasks, ensuring normal operation and communicate with system programming staff. Required skills include decision making and proficiency in IBM technologies... 
    Mainframe
    Senior
    Full time

    Nexlogica

    California, MO
    1 day ago

  • Senior Manager, Corporate Systems Apps (Cloud/Mainframe)

    A leading beverage company located in St. Louis, MO is seeking a Senior Manager of Corporate Systems. In this role, you will oversee financial and procurement projects within the Corporate Systems application group. The successful candidate will have a Bachelor's degree... 
    Mainframe
    Senior

    Anheuser-Busch

    Saint Louis, MO
    4 days ago

  • Mainframe Developer

     ...Role: Mainframe Developer Duration: 12+ Months Location: Remote Only W2 We are seeking a Mainframe Developer to develop, enhance, and support mission-critical applications on IBM z/OS. This role includes batch and/or online transaction processing,... 
    Mainframe
    Work experience placement
    Remote work

    Apolis

    Saint Louis, MO
    2 days ago

  • Senior Mainframe Systems Programmer - Run Automation

    $85k - $148k

     ...Senior Mainframe Systems Programmer - Run AutomationRemote - United StatesJR012893 Position Summary As part of Mainframe Automation, this position will be part of a team focused on accelerating the design and performance of our development of automation, integration... 
    Mainframe
    Senior
    Full time
    Temporary work
    Remote work
    Work from home
    Flexible hours

    Ensono

    Jefferson City, MO
    17 days ago

  • COBOL Developer

     ...Hope you are doing well, POSITION: Cobol Developer LOCATION: Jefferson City, MO 65109 Onsite 5 days a...  ...QUALIFICATIONS: Experience in COBOL programming, and programming in a mainframe environment Knowledge of : COBOL, JCL, DB2, VSAM, CICS... 
    Mainframe

    My3Tech Inc

    Jefferson City, MO
    9 hours ago

  • Mainframe Developer Modernization Engineer

     ...Must Have Technical/Functional Skills • Mainframe Developer - COBOL, CICS, JCL, VSAM, DB2, File-aid and other utilities • Healthcare Claims experience is a must • Working on environment readiness and SIT/UAT region support • Modernization experience preferred... 
    Mainframe

    Tata Consultancy Services

    Missouri
    9 hours ago

  • Mainframe Developer - Medicaid

    $70k - $100k

     ...Job Title: Mainframe Developer - Medicaid City: Jefferson City State/Province: Missouri Posting Start Date: 1/22/26 Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and consulting company focused on... 
    Mainframe
    Minimum wage
    Contract work
    Work experience placement
    Local area

    Wipro

    Jefferson City, MO
    3 days ago

  • Software Engineer (Mainframe)

     ...Overview The Software Engineer designs, develops, tests, and supports UniGroup's core business applications running in a mainframe environment. This role plays a critical...  ...testing, and source control Partner with senior engineers to test, validate, and support work... 
    Mainframe
    Permanent employment

    UniGroup Drivers

    Fenton, MO
    2 days ago

  • RPA Developer

    $59 - $79 per hour

    Job Summary: Our client is seeking a RPA Developer to join their team! This position is...  ...SeaTac, Washington.Duties:Contribute as a senior developer on a scrum delivery team, collaborating...  ...... Job Summary:Our client is seeking a Mainframe Developer to join their team! This... 
    Mainframe
    Local area
    Remote work

    KellyMitchell Group

    Saint Louis, MO
    3 days ago

  • Senior Developer- Data & AI

     ...Insight global is looking for a senior developer to join our client's data team. This person will be managing and harnessing the power of their project execution data. The first project will focus on the company's archives for metadata creation and management. You will... 
    Senior
    Contract work

    Insight Global

    Kansas City, MO
    9 hours ago

  • Senior Workflow Developer - Financial Services

    $140k - $150k

    A leading technology firm is seeking a full-time Workflow Developer in Kansas City, MO. The ideal candidate will build and optimize business process flows, translating functional requirements into technical workflows. This role requires a Bachelor's degree in Information... 
    Senior
    Full time

    Mitchell Martin Inc.

    Kansas City, MO
    3 days ago

  • Senior Sensor Solutions Sales Engineer

    $120k - $140k

    A leading manufacturing firm is seeking an experienced Outside Sales Engineer to enhance business development in the sensor industry. With a base salary of $120,000 to $140,000, the position involves cultivating relationships with customers and partners, achieving KPIs...
    Senior

    Sales Recruiters Inc

    California, MO
    3 days ago

  • Senior Magento 2 E-Commerce Developer

    A leading software outsourcing company in the United States seeks a Magento Developer with over 2 years of Magento 2 experience. You will design and develop e-commerce solutions while collaborating in a professional environment. Candidates with skills in Vue JS/React JS... 
    Senior

    Netbase JSC

    California, MO
    3 days ago

  • Senior Java Developer

     ...Job title: Senior Java developer Location: St. Louis, MO (Onsite -First day) Duration: Long term contract Job Description: Senior Java (must have 8+ years of experience as a Java developer) - (Client is very active on hiring. Onsite Interview... 
    Senior
    Long term contract
    Remote work

    Maintec Technologies

    Saint Louis, MO
    2 days ago

  • PeopleSoft Senior Developer

     ...Apply Description PeopleSoft Senior Developer: At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated... 
    Senior
    Full time
    Contract work
    Work at office
    Local area

    Bart & Associates

    Saint Louis, MO
    4 days ago

  • Senior API Developer

     ...Senior API Developer Anywhere Type: Contract Category: Development Industry: Insurance Workplace Type: Remote Reference ID: JN -032026-106098 Date Posted: 03/23/2026 Shortcut: Description Recommended Jobs Description: Remote... 
    Senior
    Hourly pay
    Contract work
    Local area
    Remote work

    Eliassen Group

    Jefferson City, MO
    2 days ago

  • Senior Developer - Oil, Gas, & Chemical (KC)

     ...Description The Senior Developer will lead the design and implementation of backend systems, APIs, and data-processing workloads across enterprise platforms. The role includes evaluating potential solutions and informing buildvsbuy recommendations, while ensuring robust... 
    Senior
    Full time
    Work at office

    Burns & McDonnell

    Kansas City, MO
    2 days ago

  • Remote Senior eLearning Content Developer

    A leading financial technology company is seeking an experienced eLearning Content Development Specialist II to design and manage impactful learning programs. The role requires expertise in instructional design, proficiency with various eLearning authoring tools, and a...
    Senior
    Remote work

    Affirm

    California, MO
    9 hours ago

  • Senior Java Engineer & Mid-Level Java Engineer

     ...Title: Senior Java Engineer & Mid-Level Java Engineer Duration: 24+ Months Location: St. Louis, MO Interview Process: Hacker Test followed by IN PERSON INTERVIEW---Tuesday, August 27th. Required Skills: Java 8 Spring/Springboot... 
    Senior

    Avani Technology Solutions

    Saint Louis, MO
    2 days ago

  • Lead Software Engineer (Mainframe/COBOL)

    $140k - $231k

     ...greatest potential. Title and Summary Lead Software Engineer (Mainframe/COBOL) Job Overview: Leads software engineering...  ...manage complex issues within functional area of expertise. • Develop overall strategic technical plan and create architecture... 
    Mainframe
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    2 days ago

  • Senior Wireless SoC Firmware Engineer

    A leading technology company seeks an Embedded FW Engineer for their Wireless Connectivity team. The role involves developing firmware for SoCs and collaborating with product teams on RF calibrations. Candidates should have a bachelor's degree and over 10 years of experience... 
    Senior

    Apple Inc.

    California, MO
    3 days ago

  • Senior Developer Experience Architect (Hybrid/Remote)

    $100k - $150k

    A leading technology company is seeking a Senior Developer Services Specialist to act as a technical leader, enabling developers to design and build solutions on the platform. Responsibilities include guiding complex developments, mentoring peers, and collaborating across... 
    Senior
    Remote job

    Relativity

    Louisiana, MO
    2 days ago

  • Senior Wireless SoC Firmware Engineer — Bring-Up & Protocols

     ...technology company in California is seeking an experienced engineer for the Wireless Connectivity team. You will be responsible for developing embedded firmware for SoC bring-up, working closely with software engineering teams and resolving issues in product testing. The... 
    Senior

    Apple Inc.

    California, MO
    2 days ago