Mainframe developer
AceStack LLC
Senior Mainframe DeveloperRole: Mainframe developer Employment Type: Full-Time Location: Charlotte, NC /Newark, DE / Plano, TXPrimary Skill: Mainframes, Cobol, JCL, DB2Secondary: Agile, CICSExperience: 7 to 10+ yearsJob Summary We are seeking a Senior Mainframe Developer with deep expertise in IBM mainframe technologies to design, develop, maintain, and modernize mission-critical enterprise applications.The ideal candidate will play a key role in system stability, performance optimization, and mentoring junior developers while collaborating with cross-functional teams.Key ResponsibilitiesDesign, develop, test, and maintain mainframe applications using COBOL, PLI, and JCL. Analyze business requirements and translate them into technical solutions.Maintain and enhance existing legacy systems to ensure performance, reliability, and scalability.Debug production issues and perform root-cause analysis.Optimize batch and online processing for efficiency and reliability.Work with DB2, IMS, VSAM, and other mainframe data stores.Participate in system upgrades, migrations, and modernization initiatives.Ensure compliance with security, audit, and regulatory standards. Provide technical leadership and mentor junior developers.Collaborate with QA, operations, business analysts, and infrastructure teams.Required Qualifications7 years of hands-on mainframe development experience. Strong proficiency in COBOL and JCL.Experience with CICS and/or IMS transaction processing.Solid knowledge of DB2 and SQL.Experience working in large-scale batch and online systems.Strong problem-solving and analytical skills.Excellent communication and documentation abilities.Preferred Qualifications Experience with PLI, REXX, or Assembler.Exposure to mainframe modernization or cloud integration projects.Familiarity with DevOps tools (Endevor, Changeman, Git, CICD pipelines).Knowledge of financial, insurance, healthcare, or government systems.Experience working in Agile or SAFe environments.Technical SkillsOS IBM zOS Languages COBOL, JCL, CICS, IMS Data DB2, VSAM Tools Batch scheduling tools (e.g., Control-M, CA-7) Other Debugging and performance tuning tools Soft Skills Leadership and mentoring. Strong attention to detail. Ability to work independently and in team environments.
- Job ID: 25810926Reference Number: 25-00716Title: Mainframe DeveloperLocation: Wilmington, DE, 08830Posted Date: 2025-06-30Company: HAN StaffingJob Title: Mainframe DeveloperLocation : Wilmington DEExperience - 8+RTTO - Day 1Required Skills:• Mandatory Skills- COBOL, MQ,...Mainframe
- Job ID: 23464194Reference Number: 24-01107Title: Mainframe DeveloperLocation: Wilmington, DE, 08830Posted Date: 2024-11-05Company: HAN StaffingPosition: Mainframe Developer with IMS BackgroundLocation: Wilmington, DE (Day 1 Onsite is Must)Duration: ContractNote: We need...Mainframe
- Job ID: 25501695Reference Number: 25-00417Title: mainframe DeveloperPosted Date: 2025-05-09Company: HAN StaffingLocation : Wilmington DE Job Description: Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile methodologies Process...Mainframe
- ...Mainframe DeveloperLocation: Wilmington, DE/Plano, TX/Columbus, OH (Day 1 Onsite)Duration: 6-12+ MonthsJob Description:Fully participates in development, testing, implementation, and support of mainframe COBOL based application systemsUnderstand and comply to Project Life...Mainframe
Zortech Solutions
Wilmington, DE10 hours ago - ...Skills: Programming Languages: Strong proficiency in COBOL Mainframe Operating Systems: In-depth knowledge of z/OS Database... ...Must Have: IMS/DB, CICS, COBOL and JCL Responsibilities: Develop and maintain mainframe applications using languages like COBOL...Mainframe
Longfinch Technologies
Wilmington, DE3 days ago $46 - $51 per hour
...Prepares architecture and design documents for complex Banking applications keeping in mind design constraints that translate to coding.Develops secure and high-quality code that runs in sync with other highly efficient sub systems.Thinks out-of-the-box proactively and is...MainframeCynet Systems
Wilmington, DE3 days ago- Job title: Sr Mainframe Developer Location: Wilmington, DE, 19803 hybrid (minimum of 3 days in office) Job Description: · Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving operational...MainframeWork at office
- Job-ID31842506Reference26-00371 Job Title: Senior Mainframe Application DeveloperLocation : Wilmington, DE OnsiteContractRTTO - 5 Days... ...UtilitiesStrong Analytical and debugging skills and experience in developing, debugging, and maintaining code in a large corporate...Mainframe
- ...Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.Job Title: Mainframe Developer (COBOL & Modernization)Location: Wilmington, DE (5 days a week onsite)Job Description:OverviewWe are seeking an experienced...Mainframe
- Veriipro is seeking a skilled developer to create and support mainframe applications using COBOL, PL/I, and Assembler. The candidate should be proficient in CICS and IMS for managing transactions and data processing efficiently. This role demands solid experience with JCL...Mainframe
- ...Sr Mainframe DeveloperDuration: Long Term50-57/hr on w2Location: Wilmington, DE onsiteMainframe SkillsExperience (10+ years) in developing, debugging, and maintaining code in a large corporate environment with IBM-Z/OS Mainframe applicationsExperience with Mainframe development...Mainframe
Diverse Lynx
Wilmington, DE4 days ago - ...transformation of its cheque payment platform. You will code in Java, guide a scrum team, and modernise core payment systems from legacy mainframes to cloud-native microservices, embedding AI-driven practices into development and quality assurance. You will architect and...Mainframe
$107.12k - $160.68k
...Applications DevelopmentCompany: CitiThis is a hands-on technical developer role for a Applications Development Java Programmer. The... ...and LLMs is a plus.Experience in architecting integrations for mainframe applications with Kafka or APIs is a plus.Subject Matter Expert...MainframeFull time$156.16k - $234.24k
...coding in Java with platform strategy ownership, guiding a scrum team through the modernisation of core payment systems from legacy mainframe architectures to cloud-native microservices. This is a rare opportunity to architect and deliver at scale while embedding AI-...MainframeFull timeWork at officeRemote work$95k - $125k
A leading IT consulting firm is seeking a mid-level Business Analyst in Newark, Delaware. The role involves coordinating project delivery activities and requires at least 5 years of technology delivery experience. The ideal candidate will excel in agile environments and...Mainframe- ...Security Information Monitoring tools, network and host based intrusion detection systems, firewall logs, system logs (Unix & Windows), mainframes, midrange, applications and databases. • Monitors and analyzes attempted efforts to compromise security protocols. Identifies and...Mainframe
$18 per hour
...data entry. Filing Mail run between offices (3rd floor to 1st floor) Account research/analysis, reviewing employer accounts in our mainframe system Receive and review source documents, compare to database information, edit, code, correct, or return documents. Create...MainframeContract workWork at office- ...Job Description DESCRIPTION: Duties: Design, develop and implement software solutions. Solve business problems through innovation... ...applications using COBOL, ensuring robust and efficient mainframe solutions; using Apache Kafka to build real-time data pipelines...MainframeFull time
- ...Mulesoft DeveloperResponsible for designing, developing, implementing, and supporting enterprise integration solutions using MuleSoft's Anypoint Platform. This role partners closely with business stakeholders, architects, product teams, and application development teams...
Delan Associates Inc
Newark, DE4 days ago - ...risks of the solutions and providing recommendations 7 years of experience in Technology, Data Engineering field in architecting, developing end-to-end scalable data applications and data pipelines; work with product manager and scrum masters and lead the team in...
Ecclesiastes Inc
Newark, DE2 days ago - ...Sr Hadoop Developer Location: Newark, DE, Plano TX, Charlotte,NC Fulltime Skill: Hadoop Developer ~ Experienced in Hadoop, Unix shell scripting. ~7+ Years of experience in the data warehousing architectural approaches and minimum 3 years...Full time
SARIAN Co
Newark, DE3 days ago - ...Datastage Architecture, Stages/Transformations, Design, ETL flow, advanced SQLs Knowledge of data loading techniques using Datastage.Develop Datastage Parallel Extender jobs using different stages like Aggregator, Join, Merge, Lookup, Source dataset, External Filter, Row...Permanent employmentFull timeWork experience placementH1b
$95k - $125k
...Experience working with agile development teams consisting of developers, scrum masters, analysts, product owners, and testers. Experience... ...Skills Primary: Business Analyst Secondary: Agile tools, Mainframe Experience: 5 to 10 years Employee Benefits Summary...MainframeFull time- ...EADEssential Job Functions:• Provides basic help desk support for problems and service requests related to hardware, software, network/mainframe connectivity and application support within a 24x7x365 support team.• Acts as representative of technical services to its...Mainframe
Infotree Global Solutions
Wilmington, DE5 days ago - ...Experienced Web Developer (WordPress/PHP + Ruby on Rails) Power is looking for a developer with 3-5 years of experience with Wordpress/PHP to join our Business Technology team at our headquarters, just outside of Philadelphia, PA. While the majority of your time will be...
Power Home Remodeling
Newark, DE1 day ago - ...Job Title: Mainframe IMS and CICS ( Should be flexible for on call support) Location : Wilmington DE (5 Days Onsite) Contract/Fulltime Required Skills: ( Should be flexible for on call support) • Programming Languages: Strong proficiency in COBOL...MainframeFull timeContract workFlexible hours
Lorven Technologies
Wilmington, DE4 days ago - Collabera is seeking a seasoned WebMethods Developer for a 12-month contract across multiple locations in the US. The role requires extensive experience with the WebMethods suite and integration concepts, including working with SOAP/REST services and XML/JSON data formats...Contract work
$65 - $68 per hour
...Industry: Banking Duration: 12 Months Contract Quick Interviews and Offer. Must Haves: 7+ years of proven experience as a WebMethods Developer with a strong understanding of integration concepts and technologies. Proficiency in the WebMethods suite of tools, including...Hourly payContract workTemporary work- ...work some after-hours and weekends as needed. Knowledge of Open Source technologies (Ant, Anthill, Maven2). Extensive experience in developing UI interfaces Knowledge and experienced in IVR application development and break/fix (Convergys/Intervoice Preferred) Knowledge...Contract workWeekend work
- DEW Softech Inc is seeking a Workday Extend Developer to enhance client experiences. The role demands over 5 years in Workday configuration and 3+ years in Extend development. This remote position encompasses application design, evaluation, and collaborative interfacing...Remote job
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