Mainframe devloper at Vysystem pvt Ltd · Hyderabad · 6 - 10 years · ₹5L - ₹20L / yr · Profitable · Posted 27 Jul 2026

Job Summary
We are seeking a skilled Mainframe Developer with strong experience in COBOL, JCL, DB2, and VSAM. The ideal candidate will be responsible for developing, enhancing, maintaining, and supporting enterprise mainframe applications while ensuring high performance, reliability, and quality.
Key Responsibilities
- Develop, maintain, and enhance mainframe applications using COBOL.
- Create and modify JCL for batch processing and job scheduling.
- Design, develop, and optimize DB2 databases, SQL queries, and stored procedures.
- Work with VSAM datasets, including KSDS, ESDS, and RRDS.
- Analyze business requirements and translate them into technical solutions.
- Perform unit testing, integration testing, and support user acceptance testing (UAT).
- Troubleshoot production issues and provide timely resolutions.
- Participate in code reviews and ensure adherence to coding standards.
- Collaborate with business analysts, testers, and cross-functional teams.
- Prepare technical documentation and maintain application support documentation.
Required Skills
- Strong programming experience in COBOL.
- Good knowledge of JCL and batch processing.
- Hands-on experience with DB2, SQL, and database performance tuning.
- Experience with VSAM file structures and file handling.
- Knowledge of CICS and IBM z/OS is an advantage.
- Familiarity with source control and change management tools such as Endevor or Changeman.
- Strong analytical and problem-solving skills.
- Good verbal and written communication skills.

About Vysystem pvt Ltd
Similar jobs (10)
🚨 **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
Job Description
We are looking for an experienced Mainframe Developer with strong hands-on experience in COBOL, JCL, and IMS DB. The candidate will be responsible for developing, enhancing, testing, and maintaining mainframe applications.
Key Responsibilities
- Develop and maintain applications using COBOL.
- Create and maintain JCL jobs for application execution and batch processing.
- Work extensively with IMS DB for database design, development, and data access.
- Analyze business requirements and translate them into technical solutions.
- Perform coding, unit testing, debugging, and production support.
- Troubleshoot batch job failures and application issues.
- Perform impact analysis and implement enhancements to existing applications.
- Prepare technical documentation and support application releases.
- Collaborate with business analysts, QA teams, and other technical teams.
Mandatory Skills
- COBOL
- JCL
- IMS DB
- Mainframe development and debugging
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
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.
Mainframe developer
Mandatory : COBOL + JCL + IMS DB
Mumbai
immediate to 15 days
COBOL – Common Business-Oriented Language
JCL – Job Control Language
IMS DB – Information Management System Database
Mainframe developer
Mandatory : COBOL + JCL + IMS DB
6+yrs -23LPA
8+yrs- 30LPA
Mumbai immediate to 15 days
Hiring: Mainframe DB2 Developer / SQL Server Developer
Experience: 5+ Years
Role: IT Developer / Development Lead
We are looking for experienced developers with strong expertise in Mainframe technologies and SQL Server to design, develop, maintain, and optimize enterprise applications. The role involves database development, performance tuning, stored procedures, and backend application support within a Wealth Management Technology environment.
Must-Have Skills:
- Mainframe
- COBOL
- DB2
- SQL
- JCL
Key Responsibilities: Develop and maintain Mainframe applications, build and optimize database objects and complex SQL queries, troubleshoot performance issues, collaborate with global teams, and deliver secure, high-quality solutions.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Position: AS/400 Developer
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.
Key Responsibilities
* Design, develop, test, and maintain applications on the IBM i (AS/400) platform.
* Develop and maintain programs using RPG/ILE RPG, RPG IV, Free-Form RPG, CL, DDS, and SQL.
* Analyze business requirements and translate them into effective technical solutions.
* 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
Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
? Good knowledge of the JVM with an understanding of performance and memory optimization.
? Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
? Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
? Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
? Expert level understanding of Object-Oriented Concepts and Data Structures
? Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
Must have
Experience in the Core Java development
Good understanding of Object Oriented Design, Design Patterns and data structure algorithms
Experience in Multi-threading, Hashmaps, Collection arrays
Experience in Java collections
Experience in developing applications using Spring Boot
Proficient in building Micro Services with Java 1.8 or higher, J2EE, Spring, Spring Boot.
Proficient with No SQL and Relational Databases
Hands on experience in Unit testing frameworks like Junit / Mockito OR TDD










