QualityKiosk Technologies

Job Description :

As a Mainframe Developer, you will be responsible for the full software development lifecycle for our mainframe applications.

This includes analyzing requirements, designing technical solutions, writing and testing code, debugging issues, and providing ongoing support.

You will collaborate with business analysts, system architects, and other IT professionals to deliver high quality solutions that meet our business needs.

Your expertise in mainframe technologies and your ability to understand and maintain complex legacy systems will be essential to your success in this role.

Responsibilities :

- Design, develop, code, test, and debug mainframe applications using languages such as COBOL and PL/I.

- Maintain, enhance, and support existing mainframe applications, ensuring their stability and performance.

- Analyze and understand complex business logic within existing mainframe systems.

- Develop and maintain batch processing jobs using JCL (Job Control Language).

- Work with online transaction processing systems such as CICS (Customer Information Control System).

- Design and implement database changes using DB2 or VSAM (Virtual Storage Access Method).

- Write and optimize SQL queries for data retrieval and manipulation.

- Understand database structures and relationships within the mainframe environment.

- Analyze business requirements and translate them into technical specifications.

- Create and maintain technical documentation,1 including program specifications, data flow diagrams, and system documentation.

- Perform unit testing, system testing, and integration testing of mainframe applications.

- Identify and resolve software defects and performance issues.

- Participate in code reviews to ensure adherence to coding standards and best practices.

- Troubleshoot and resolve production issues related to mainframe applications.

- Provide on-call support as needed to ensure system availability.

- Analyze system dumps and logs to diagnose problems.

- Work effectively with cross-functional teams, including business analysts, system administrators, and other developers.

- Communicate technical information clearly and concisely to both technical and non-technical audiences.

- Keep abreast of advancements in mainframe technologies, tools, and methodologies.

- Participate in training and development activities to enhance your skills.

- Follow established coding standards, security guidelines, and best practices for mainframe development.

- Participate in the continuous improvement of development processes.

Required Skills :

- Strong proficiency in COBOL and JCL.

- Familiarity with PL/I is a plus.

- Experience with CICS for online transaction processing.

- Solid understanding of DB2 and/or VSAM.

- Ability to write and optimize SQL.

- Familiarity with the z/OS operating system and related utilities (e., TSO/ISPF, SDSF).

- Proven ability to debug and troubleshoot mainframe applications using relevant tools (e., Abend-AID, IBM Debug Tool).

- Excellent analytical and problem-solving skills with a strong attention to detail.

- Strong verbal and written communication skills.

- Ability to work effectively both independently and as part of a team.

- Familiarity with the Software Development Life Cycle (SDLC).

- Experience with mainframe modernization techniques and tools.

- Knowledge of other mainframe-related technologies (e., IMS, MQ Series).

- Familiarity with DevOps concepts and tools in a mainframe environment.

- Experience with scheduling tools (e., CA-7, Tivoli Workload Scheduler).

- Understanding of security concepts relevant to mainframe systems (e., RACF).

- Experience working in an Agile development environment