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

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.
Connect with the team
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
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
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
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
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.
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.
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.
Position : SQL Database Developer
Experience : 10+ Years
Domain : Mutual Fund / Capital Markets
Location : Noida
Work Mode : Hybrid
Role Overview :
We are looking for a Senior SQL Developer with 10+ years of experience in SQL Server and T-SQL development, preferably with experience in the Mutual Fund / Capital Markets / Financial Services domain.
Mandatory Skills :
- SQL Server & T-SQL
- Stored Procedures, Functions, Triggers, Views & SQL Jobs
- Complex SQL Queries & Data Manipulation
- Query Performance Tuning & Optimization
- Indexing, Execution Plans & Partitioning
- Data Migration, Porting, Transformation & Validation
- Database Troubleshooting
- SQL Server Performance Monitoring
- Version Control / Git
- Database Security & Data Integrity
Domain Knowledge :
- Mutual Fund / Capital Markets experience preferred.
- Understanding of financial transactions, reporting, reconciliation, and business processes.
Key Responsibilities :
- Develop and optimize T-SQL queries, stored procedures, views, functions, and triggers.
- Perform query tuning, indexing, execution plan analysis, and performance optimization.
- Handle data migration, transformation, porting, validation, and reconciliation.
- Troubleshoot database and production/UAT issues.
- Ensure data accuracy, integrity, consistency, and security.
- Work with developers, BAs, QA teams, and business stakeholders.
- Independently own database development and optimization activities.
- Education: Bachelor's degree in Computer Science, IT, Engineering, or related field.
Role overview:
· Technology Expertise & DBA Skill Set
· Cloud Platforms: AWS, Azure
· Database IaaS: Oracle, Microsoft SQL Server, PostgreSQL
· Database PaaS: CosmosDB, MySQL, SQL Managed Instance, RDS Aurora, MongoDB
· Infrastructure as Code: Terraform, Ansible
· CI/CD & Automation: GitHub Actions, GitLab, Azure DevOps
· Programming & Scripting: Python, Bash/Shell, PowerShell
· Operating Systems: Linux/Unix (RHEL, Ubuntu), Window
Database Team Overview
Our Database Team is the foundation of enterprise-grade databases delivering secure, compliant and high-performing database platforms across Azure and AWS. We provide managed services for Oracle and Microsoft SQL Server, operating in a system DBA role to ensure platform reliability, resilience, and operational excellence. In addition, we support PaaS and RDS database services by acting as the platform team defining policies, enforcing security standards, and managing networking configurations while enabling self-service capabilities for application teams to consume these services efficiently.
What would you do here:
· Database Security & Compliance: Implement robust security controls, encryption, and auditing to safeguard sensitive data and meet regulatory requirements.
· Lifecycle Management: Oversee patching, upgrades, and end-of-life transitions to maintain platform stability and minimize risk.
· Performance Optimization: Monitor and tune databases for optimal performance across diverse workloads.
· Automation & Operational Excellence: Design and deploy automation for provisioning, monitoring, and maintenance to achieve “brilliant basics” and reduce manual intervention.
· Business-Critical Certification: Validate and certify database environments to support mission-critical applications with high availability and disaster recovery strategies.
· Incident & Problem Management: Provide rapid response and root-cause analysis for database-related incidents to ensure business continuity.
· Capacity Planning & Scalability: Forecast growth and optimize resources to support evolving business needs.
Best Regards!










