CrawlJobs Logo

Mainframe Developer

United States, Alpharetta · Job Posted February 21, 2026
Apply Position
Job Link Share

Job Description

We are seeking experienced MAINFRAME Developers with a strong background in legacy mainframe systems and tools. The ideal candidate(s) will have extensive expertise in COBOL, DB2, Web Services, JCL and batch processing on the mainframe and documentation skills.

Job Responsibility

  • Analyze and document CICS and Batch programs
  • Collaborate with application owners / SMEs on application documentation and functional verification

Requirements

  • An associate’s degree in computer Programming or related discipline is required, but a Bachelor’s degree in IT or a related discipline is preferred
  • Minimum 8 to 15 years of relevant experience in application development
  • Extensive expertise in COBOL, DB2, Web Services, JCL and batch processing on the mainframe and documentation skills

Nice to have

  • Experience with iSeries, Unisys, and/or other mainframe technologies
  • Experience with C programming
  • Experienced with source management tools including GIT or similar tools
  • Agile and/or DevOps experience
  • Knowledgeable in industry standard software design patterns, development, data modelling, and SOLID principals
  • Knowledgeable in test driven development (TDD) and automated functional testing including tools like UFT, Postman, and Selenium
  • Ability to resolve architectural problems including scalability, performance, reliability, usability & security
  • A strong knowledge of the relationship between software and hardware interaction
  • Strong leadership skills
  • Demonstrated ability to work independently with little direction or as part of a team
  • Demonstrated ability to work on work on highly complex projects within tight timelines
  • The ability to clearly communicate complex technical specifications, and a motivation to achieve best-in-class results
  • Financial industry interest and experience is beneficial
  • Experience with CICS

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Mainframe Developer

8 matching positions

New

Mainframe Developer

We are seeking a talented and motivated Mainframe Developer with 2.5 to 4 years ...
Location
Location
India , Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3+ Years of total experience
  • Strong proficiency in COBOL
  • In-depth knowledge and hands-on experience with Job Control Language (JCL)
  • In-depth knowledge and hands-on experience with DB2 (Database 2)
  • In-depth knowledge and hands-on experience with CICS (Customer Information Control System)
  • In-depth knowledge and hands-on experience with VSAM (Virtual Storage Access Method)
  • In-depth knowledge and hands-on experience with TSO/ISPF (Time Sharing Option/Interactive System Productivity Facility)
  • Experience with mainframe utilities, debugging tools, and version control systems (e.g., Endevor, Changeman)
  • Familiarity with z/OS
  • Excellent problem-solving and analytical capabilities
Job Responsibility
Job Responsibility
  • Design, code, and implement new applications or enhancements to existing mainframe systems using COBOL, JCL, DB2, and CICS
  • Perform routine maintenance, debugging, and troubleshooting of mainframe applications to ensure optimal performance and reliability
  • Optimize mainframe applications for performance, efficiency, and scalability
  • Develop and execute unit, integration, and system tests to validate application functionality and data integrity
  • Create and maintain comprehensive technical documentation, including design specifications, program flows, and operational procedures
  • Work closely with business analysts, project managers, and other developers to understand requirements, define solutions, and resolve technical issues
  • Diagnose and resolve production incidents and problems in a timely manner
  • Participate in code reviews to ensure adherence to coding standards, best practices, and system architecture
  • Fulltime
Read More
Arrow Right

Mainframe Developer

We are seeking a highly skilled and experienced Mainframe Developer to join our ...
Location
Location
India , Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field
  • 3+ years of professional experience in mainframe application development
  • Proficient in COBOL, JCL, REXX, PL/I
  • Strong experience with DB2, IMS DB
  • Expertise in CICS, IMS DC
  • Familiarity with VSAM, TSO/ISPF, Endevor (or similar SCM), File Manager, Debuggers
  • In-depth knowledge of z/OS
  • Understanding of batch processing, online transaction processing, and data transfer protocols
  • Experience with mainframe source code management tools
  • Excellent problem-solving and analytical abilities
Job Responsibility
Job Responsibility
  • Design, develop, and implement new mainframe applications and enhancements to existing systems using COBOL, JCL, DB2, CICS, and other relevant mainframe technologies
  • Provide ongoing maintenance, support, and troubleshooting for production mainframe applications, including debugging, performance tuning, and incident resolution
  • Work closely with business analysts and stakeholders to gather and understand business requirements, translating them into technical specifications and viable mainframe solutions
  • Conduct comprehensive unit, integration, and system testing to ensure the quality, reliability, and performance of mainframe applications
  • Create and maintain detailed technical documentation, including design specifications, program flows, and operational procedures
  • Collaborate with other development teams, infrastructure teams, and operations teams to ensure seamless integration and deployment of mainframe solutions
  • Participate in code reviews to ensure adherence to coding standards, best practices, and system architecture
  • Analyze and resolve complex technical issues, often under time pressure, ensuring minimal impact on business operations
  • Fulltime
Read More
Arrow Right

Mainframe Developer

The Applications Development Intermediate Programmer Analyst is an intermediate ...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5-8 years of relevant experience in the Financial Service industry
  • Good technical programming skill sets on mainframe COBOL, JCL, DB2, mainframe optimization and modernization will be the key pre-requisites
  • This role requires close collaboration with solution lead, senior application development analyst, technical InfoSec officer in translating the design into functional code
  • The scope of work includes understanding of the business requirement, application solutioning and design, InfoSec implications, user story ownership, quality and on time application deliveries (development, testing and implementation)
  • Intermediate level experience in Applications Development role
  • Application domain knowledge is required in any of the Banking and Payment applications such as Customer Demographics, Debit Card Processor, Checking and Savings, Loans, Payments, Customer Statements and Advices,…, etc
  • A good working knowledge of EMV Chip technology, 3D Secured and debit card authentication & authorization will definitely be an added advantage
  • The applicant must be willing to adopt and learn the AI tools provided by the organization to challenge status quo and provide value add productivity to the organization
  • Consistently demonstrates clear and concise written and verbal communication
  • Demonstrated problem-solving and decision-making skills
Job Responsibility
Job Responsibility
  • Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
  • Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
  • Apply fundamental knowledge of programming languages for design specifications
  • Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
  • Serve as advisor or coach to new or lower level analysts
  • Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
  • Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
  • Has the ability to operate with a limited level of direct supervision
  • Can exercise independence of judgement and autonomy
  • Acts as SME to senior stakeholders and /or other team members
  • Fulltime
Read More
Arrow Right

Mainframe Developer

Location
Location
India , Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ Strong mainframe experience with COBOL/JCL/CICS/VSAM/ DB2
  • Strong design and development skills in the above mentioned technical stack
  • Financial services domain experience
  • Excellent communication, analytical skills and problem-solving experience for implementation, debugging and testing
  • Work proactively & independently to address project requirements, and articulate issues/challenges with enough lead time to address project delivery risks
  • Able to work as part of a virtual team in a culturally diverse background
  • Good time management skills
  • Bachelor’s degree/University degree or equivalent experience
Job Responsibility
Job Responsibility
  • Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
  • Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
  • Apply fundamental knowledge of programming languages for design specifications
  • Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
  • Serve as advisor or coach to new or lower level analysts
  • Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
  • Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
  • Has the ability to operate with a limited level of direct supervision
  • Can exercise independence of judgement and autonomy
  • Acts as SME to senior stakeholders and /or other team members
  • Fulltime
Read More
Arrow Right

Mainframe Developer

The Applications Development Intermediate Programmer Analyst is an intermediate ...
Location
Location
Singapore , Singapore
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of IT experience
  • Expertise in Mainframe environment covering COBOL, CICS, DB2, JCL, VSAM, zAPI
  • Experience with Agile development methodologies
  • Integration & Security - WebSphere MQ (Messaging and inter-system communication), CICS MRO (Multi-region operation – CICS to CICS communication)
  • APIs (JSON/REST/SOAP integrations with mainframes via z/OS connect)
  • Working experience in a multi tech stack environment with Java front end and mainframe on the backend
  • Good communicator and capable of handling stakeholders in other regions
  • Bachelor’s degree/University degree or equivalent experience
Job Responsibility
Job Responsibility
  • Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
  • Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
  • Apply fundamental knowledge of programming languages for design specifications
  • Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
  • Serve as advisor or coach to new or lower level analysts
  • Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
  • Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
  • Has the ability to operate with a limited level of direct supervision
  • Can exercise independence of judgement and autonomy
  • Acts as SME to senior stakeholders and /or other team members
  • Fulltime
Read More
Arrow Right

Mainframe Developer

We are seeking an experienced Mainframe Developer with strong Wealth Management ...
Location
Location
United States , Cincinnati; Troy; Dallas
Salary
Salary:
Not provided
realign-llc.com Logo
Realign
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 9 years of experience in Mainframe Development
  • Strong experience with: COBOL, JCL, DB2, CICS, VSAM
  • Experience working with mainframe batch and online processing systems
  • Strong understanding of banking or wealth management systems
  • Experience with application support, debugging, and performance optimization
  • Knowledge of SDLC, Agile, and DevOps practices
Job Responsibility
Job Responsibility
  • Design, develop, test, and maintain mainframe applications supporting Wealth Management systems
  • Work on COBOL, JCL, DB2, CICS and other mainframe technologies for application development and enhancement
  • Analyze business requirements related to wealth management, portfolio management, or financial advisory systems
  • Develop and optimize batch and online transaction processing programs
  • Perform code reviews, debugging, and performance tuning of existing applications
  • Support system integration, data processing, and interface development with other banking platforms
  • Participate in SDLC processes, including design documentation, testing, deployment, and production support
  • Collaborate with business analysts and stakeholders to translate financial requirements into technical solutions
  • Ensure data integrity, security, and compliance with banking and regulatory standards
Read More
Arrow Right

Mainframe Developer

Join us as a Mainframe Developer at Barclays, where you'll spearhead the evoluti...
Location
Location
United Kingdom , Knutsford
Salary
Salary:
Not provided
barclays.co.uk Logo
Barclays
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Extensive working knowledge of Mainframe operating system tools, including COBOL, Hogan
  • In-depth knowledge of mainframe technologies, including JCL, DB2, CICS
  • Solid understanding of system performance, optimisation, and monitoring techniques
Job Responsibility
Job Responsibility
  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
  • Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
  • Stay informed of industry technology trends and innovations and actively contribute to the organization's technology communities to foster a culture of technical excellence and growth
  • Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
  • Implementation of effective unit testing practices to ensure proper code design, readability, and reliability
What we offer
What we offer
  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
  • Fulltime
Read More
Arrow Right

Mainframe Developer

Role: Mainframe Developer Loc: Jersey City, NJ___onsite Full - time Job Descr...
Location
Location
United States , Jersey City
Salary
Salary:
118000.00 USD / Year
realign-llc.com Logo
Realign
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • COBOL
  • JCL
  • VSAM
  • CICS (online processing)
  • DB2
  • SQL
  • File utilities (IDCAMS, SORT, IEBGENER)
  • Debugging tool (Fault Analyzer)
  • Job scheduler (CA-11)
  • Version control (Endevor, ISPW)
Job Responsibility
Job Responsibility
  • Develop and maintain COBOL, JCL, DB2, and CICS-based banking applications
  • Analyze business and technical requirements to implement application changes
  • Create and schedule batch jobs
  • resolve job failures and production abends
  • Write efficient SQL queries and manage DB2 data
  • Perform unit testing and support SIT/UAT cycles
  • Collaborate with BAs, QA, and support teams to deliver solutions
  • Document code changes, job flows, and impact analysis
  • Support system integration via MQ/zOS Connect (API/web services)
  • Provide KT and mentor junior team members
  • Fulltime
Read More
Arrow Right