Sunayana Devi Galla
Hyderabad
Summary
Senior Mainframe Developer with extensive knowledge in CICS, Cobol, VSAM, and JCL.
10 Years experience in end-to-end software development, production support, and the ability to lead projects. Committed to effective team collaboration, client business success, and support of organizational goals. Looking forward to leveraging my current skill set, highly adept and open to learning new technologies.
Overview
10
10
years of professional experience
Work History
Senior Mainframe Developer
IBM
Hyderabad
09.2015 - Current
- A Mainframe Specialist with experience in the roles of Senior Mainframe Application Developer, Production Support, and Technical Lead.
- Part of the Development and Production Support team.
- Good hands-on experience in mainframe-related skills such as CICS, COBOL, JCL, VSAM, DB2, Easytrieve, and CICS web services.
- Understands the working principles and has experience with tools like GIT and Postman.
- Integrated mainframe legacy with open system via PCF and ZIP layer, also communication with open system via CICSWEB as a part of mainframe modernization/migration.
- Ability to learn new technologies and processes rapidly, and implement them in the project.
- Collaborated with business users, customer support, and cross-functional teams to gather and analyze user requirements.
- Have experience in end-to-end development of software products from requirement gathering, analysis, designing, coding, testing, debugging, documentation, implementation, and troubleshooting applications on IBM Mainframes using COBOL, DB2, VSAM, CICS, and web services for banking requirements.
- Created and maintained JCLs to execute batch jobs on the mainframe system.
- Provided technical support and training to junior developers, and other members of the development team.
- Conducted code reviews to ensure adherence to coding standards and best practices.
- Supported customer queries and batch processing abends in the role of L1/L2 production support.
- An effective communicator with excellent relationship-building and interpersonal skills. Strong analytical, problem-solving, and organizational abilities, with experience working across development and support teams.
Education
Bachelor in Engineering - Electronics & Communications Engineering
Andhra University
Visakhapatnam, Andhra Pradesh05-2015
Skills
Core skills: CICS, COBOL, JCL, VSAM, Easytrieve, DB2, and CICSWEB
Development methodologies: Waterfall model and Agile model
Operating systems: ZOS
Middleware: MQ Series
Utilities/Tools: XPEDITOR, FILE-AID, Abend-Aid, SPUFI, SDF, Infoman, OPC, Fault Analyzer, OMEGAMON, JIRA board, Confluence, Postman
Version control tools: Changeman
Understand the working principles, and have hands-on experience of GitHub, Bitbucket, and JSON mapping
Languages
- English, Hindi, Telugu
Professional Experience
- Project: Development Bank of Singapore (DBS) is the largest bank in Southeast Asia, trusted as the world's safest bank I have supported DBS since the start of my career, where I joined as a graduate hire and have mainly held roles in development, testing, production support, and tech lead
- Domain: Banking (Card Management System)
- Development model: Agile
- Roles & Responsibilities :
2015 - 2016: Card processing batch support, attending to production calls, providing fixes, and communicating the resolution onsite
Coordinated and interacted with various teams across the project to support system testing, user acceptance testing, and performance testing
2016 - 2021: Development activities including requirement gathering, analysis, coding, unit testing, peer reviews, communicating with CICS resources for setting up environments, and maintaining proper documentation of the tasks at hand
2021 - 2022: Worked on mainframe modernization projects with hands-on experience in CICSWEB services, JSON mapping, POSTMAN, and Bitbucket
Business analysis activities, including requirements gathering and high-level architecture design
2022 - 2026 (current): Currently in the role of senior developer and tech lead, working on mainframe modernization projects with hands-on experience in CICS, web services, JSON mapping, and Postman
Conduct meetings with customers, coordinate internal team meetings, and plan release-related activities
Providing business users, customer query support, and after-hours batch processing production support
Knowledge transfer sessions for new team members
Have received multiple consecutive client appreciation and awards for Putting the customer first and going extra mile in supporting the business.
Learnings & Certifications
- IBM Banking Industry Jumpstart
- IBM Banking Insights & Solutions(Bronze)
Timeline
Senior Mainframe Developer
IBM
09.2015 - Current
Bachelor in Engineering - Electronics & Communications Engineering
Andhra University