Mainframe Developer at Wissen Technology · Bengaluru (Bangalore) · 4 - 7 years · Profitable · Posted 15 Oct 2025
Required Experience:
Skill Set:
- Primary skills
- Experienced Database resource with 4+ years of experience in following Mainframe technologies:
- DB2
- DB2 Stored Procedures, native SQL
- COBOL, JCL
- UDB- Universal Database DB2 on Linux/Unix
- Batch Processing
- MQ
- Good to have skills
- Knowledge of distributed applications and Unix scripting, Python is good to have.
- Prior experience on Mainframe modernization.
- Prior Morgan Stanley or Financial Services experience is a plus
Shubham Vishwakarma
Full Stack Developer - Averlon
About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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We are hiring a Mainframe Developer to develop and maintain business-critical mainframe applications.
Responsibilities
- Develop and enhance COBOL programs
- Write and maintain JCL for batch processing
- Work with DB2 databases and VSAM files
- Build and support CICS online transactions
Requirements
- 2+ years of mainframe development experience
- Strong COBOL, JCL and DB2 skills
- Experience with CICS and VSAM
🚨 **WE ARE HIRING – MAINFRAME DEVELOPER | MUMBAI** 🚨
Looking for experienced **Mainframe Developers** with strong expertise in **COBOL, JCL, and IMS DB**.
🔹 **Role:** Mainframe Developer
🔹 **Experience:** 6+ Years
🔹 **Location:** Mumbai
🔹 **Notice Period:** Immediate to 15 Days Preferred
🔹 **CTC:**
• **6+ Years:** Up to 23 LPA
• **8+ Years:** Up to 30 LPA
💻 **Mandatory Skills**
✅ COBOL
✅ JCL
✅ IMS DB
⚠️ **Important:** Please **do not share Production Support profiles**. We are looking for **Development profiles** with hands-on experience in COBOL, JCL, and IMS DB.
📌 **Key Responsibilities**
• Develop and maintain Mainframe applications using **COBOL**
• Work extensively with **JCL** for job processing and execution
• Work with **IMS DB** for database development and data management
• Analyze requirements and develop technical solutions
• Perform coding, debugging, unit testing, and application enhancements
• Troubleshoot application-level issues and optimize code
• Collaborate with technical and business teams throughout the development lifecycle
Mainframe developer
Mandatory : COBOL + JCL + IMS DB
6+yrs -23LPA
8+yrs- 30LPA
Mumbai immediate to 15 days
role: Mainframe developer
Mandatory skill : COBOL + JCL + IMS DB
COBOL — Common Business-Oriented Language
JCL — Job Control Language
IMS DB — Information Management System Databas
Mumbai
immediate to 15 days
Job Summary
We are looking for an experienced Mainframe Developer with strong hands-on expertise in COBOL, JCL, and VSAM. The candidate will be responsible for developing, enhancing, maintaining, and supporting enterprise mainframe applications running on IBM z/OS.
Key Responsibilities
- Develop, maintain, and enhance mainframe applications using COBOL.
- Create and maintain JCL for batch job execution and production processing.
- Design, access, and maintain VSAM datasets.
- Analyze business and technical requirements and translate them into technical solutions.
- Perform coding, unit testing, debugging, and implementation of mainframe programs.
- Troubleshoot batch failures, application issues, and production incidents.
- Perform root cause analysis and provide permanent solutions for recurring issues.
- Optimize COBOL programs and batch jobs for performance and reliability.
.
Job Description – Mainframe Developer
Position: Mainframe Developer
Experience: 6+ Years
Location: Chennai & Pune
Work Mode: Work From Office (WFO)
Joining: Immediate Joiners Preferred
Key Skills Required
- Strong hands-on experience in COBOL
- Good knowledge of JCL
- Strong experience with DB2
- Hands-on experience with VSAM
- CICS knowledge/experience is good to have
- Strong understanding of Mainframe application development and support
Role & Responsibilities
- Develop, enhance, maintain, and troubleshoot Mainframe applications
- Write and modify COBOL programs
- Create and maintain JCL jobs
- Work with DB2 databases and SQL queries
- Handle VSAM files and related processing
- Analyze production issues and provide timely resolutions
- Perform debugging, root-cause analysis, and code fixes
- Participate in application enhancements, testing, and deployment activities
- Collaborate with onsite/offshore teams and business stakeholders
- Follow standard development, testing, and release processes
Candidate Requirements
- 6+ years of relevant Mainframe development experience
- Strong proficiency in COBOL, JCL, DB2, and VSAM
- CICS knowledge will be an added advantage
- Good problem-solving and debugging skills
- Strong communication and interpersonal skills
- Candidates who can relocate to Chennai or Pune are welcome
Location & Relocation
📍 Chennai / Pune
✅ Relocation candidates can be considered
❌ Hyderabad-based candidates are strictly not eligible
Notice Period
⚡ Immediate Joiners preferred
Interested candidates can share their updated resume along with current location, preferred location, total experience, relevant experience, current CTC, expected CTC, and notice period.
Mainframe Developer
Experience: 6+ Years
Location: Mumbai
Notice Period: Immediate to 15 Days
Mandatory Skills:
- Strong experience in COBOL
- Hands-on experience with JCL
- Strong knowledge of IMS DB
- Experience in Mainframe application development and enhancement
- Good understanding of Mainframe development lifecycle and coding practices
Important Note:
- Production Support profiles will not be considered.
- Candidates should have strong Mainframe Development experience.
Roles & Responsibilities:
- Design, develop, and maintain Mainframe applications using COBOL, JCL, and IMS DB.
- Develop and enhance application modules based on business requirements.
- Perform coding, debugging, unit testing, and defect resolution.
- Analyze existing applications and implement required enhancements.
- Collaborate with business and technical teams throughout the development lifecycle.
Job Title: Remote AS400 Professional (7+ years of experience)
We're seeking an experienced AS400 professional to join our team remotely! The ideal candidate will have a strong background in IBM iSeries (AS400) systems, including system administration, database management, and application development.
Key Responsibilities:
- System administration, configuration, and security
- Application development using RPG, Java, PHP, C++, .NET, and SQL
- Integration with other platforms, such as ERP, CRM, and SCM systems
- Troubleshooting and resolving technical issues
- Collaborating with stakeholders, including business users, IT teams, and management
Required Skills:
- 7+ years of experience with AS400 systems
- Proficiency in RPG, CL, COBOL, or other programming languages
- Strong analytical and problem-solving skills
- Excellent communication and teamwork skills
Nice to Have:
- Experience with system upgrades and migrations
- Knowledge of IBM iSeries security and compliance
- Familiarity with industry-specific regulations (e.g., HIPAA, PCI-DSS)
Job Title: Remote AS400 / IBM i Professional
Experience: 6+ Years
Work Mode: Remote
Job Summary
We are looking for an experienced AS400 / IBM i Professional with 6+ years of hands-on experience in IBM iSeries (AS400) environments. The ideal candidate should have strong knowledge of system administration, database management, application development, security, troubleshooting, and platform integration.
The candidate will work closely with business users, IT teams, and management to support, enhance, and maintain AS400-based enterprise applications and infrastructure.
Key Responsibilities
- Perform AS400 / IBM i system administration, configuration, monitoring, and maintenance.
- Manage IBM i environments, system objects, libraries, jobs, subsystems, and related components.
- Develop, enhance, maintain, and support applications running on the AS400 platform.
- Work with programming languages such as RPG, CL, COBOL, and other relevant technologies.
- Develop and maintain database solutions using DB2 for i / SQL.
- Troubleshoot application, system, database, and integration-related issues.
- Perform root-cause analysis and implement permanent solutions for technical problems.
- Support system upgrades, migrations, patches, and environment changes.
- Manage and troubleshoot integrations between AS400 and external enterprise platforms such as ERP, CRM, and SCM systems.
- Work with cross-functional teams to understand business requirements and provide technical solutions.
- Coordinate with business stakeholders, IT teams, and management for application support and enhancements.
- Ensure system availability, performance, security, and reliability.
- Maintain technical documentation, system procedures, and application support documentation.
- Follow organizational security, compliance, and change-management standards.
Required Skills
- 6+ years of experience working with AS400 / IBM i / iSeries systems.
- Strong hands-on experience in AS400 system administration and application support.
- Proficiency in one or more of the following:
- RPG / RPGLE
- CL / CLLE
- COBOL
- Other AS400 programming languages.
- Strong knowledge of DB2 for i / DB2-400 and SQL.
- Experience with AS400 troubleshooting, debugging, and production support.
- Understanding of IBM i system architecture, jobs, libraries, objects, and subsystems.
- Experience with application and system integrations.
- Strong analytical and problem-solving capabilities.
- Excellent communication and teamwork skills.
Nice-to-Have Skills
- Experience with AS400 / IBM i system upgrades and migrations.
- Knowledge of IBM i security, user access management, and compliance.
- Experience with ERP, CRM, or SCM integrations.
- Knowledge of enterprise security and compliance standards.
- Familiarity with industry-specific regulations such as HIPAA and PCI-DSS.
- Exposure to modern technologies such as Java, PHP, C++, .NET, or related integration technologies.
- Experience working in Agile or other structured development environments.
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Experience: 6+ Years
Work Mode: Remote
Job Summary
We are looking for an experienced AS/400 Developer with strong hands-on experience in IBM i (AS/400) development. The ideal candidate should have solid expertise in RPG, CL, DDS, DB2/400, and SQL, along with experience in application development, maintenance, troubleshooting, and production support.
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* Design, develop, test, and maintain applications on the IBM i (AS/400) platform.
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* Develop, enhance, and maintain application programs, modules, and interfaces.
* Write efficient SQL queries and perform SQL/database performance tuning.
* Work with DB2/400, Query/400, and related IBM i database technologies.
* Troubleshoot, debug, and resolve application and production issues.
* Perform root-cause analysis and implement appropriate fixes.
* Integrate AS/400 applications with external systems using APIs, web services, flat files, and other interfaces.
* Participate in application enhancements, testing, deployment, and maintenance activities.
* Ensure code quality, performance, security, and adherence to development standards.
* Collaborate with functional teams and other technical teams to understand requirements and deliver solutions.
* Prepare and maintain technical documentation as required.
Required Skills
* 6+ years of hands-on experience in AS/400 / IBM i development.
* Strong expertise in RPG IV / ILE RPG / Free-Form RPG.
* Strong knowledge of CL/CLLE, DDS, DB2/400, and SQL.
* Experience with SQL queries, stored procedures, and performance tuning.
* Good understanding of IBM i architecture and application development.
* Experience in debugging and production support.
* Experience working with system interfaces, APIs, web services, and file handling.
* Knowledge of source/version control tools such as Git or SVN is an advantage.
* Strong analytical, problem-solving, and debugging skills.
* Good communication and teamwork skills.
Preferred Qualifications
* Experience working on enterprise-level AS/400 applications.
* Experience with application modernization or integration with modern technologies.
* Ability to work independently in a remote environment.
* Strong understanding of SDLC and software development best practices.
Work Mode
Remote Opportunity
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Full Stack Developer - Averlon