MATHAN JEYAPRAKASH
Chennai
Summary
Results-driven Lead Software Engineer with 11+ years of experience in Mainframe Modernization, Cloud Migration, and Application Development. Proven expertise in transforming legacy mainframe systems into scalable, cloud-native architectures on AWS. A versatile team player with passion for learning and growing with an Organization.
Overview
11
11
years of professional experience
Work History
Fidelity Business Services India Pvt Ltd
Lead Software Engineer
06.2019 - Current
- Successfully migrated a monolithic Mainframe application (InvestOne) to AWS, rearchitecting it into microservices.
- Led a 5-member team, overseeing design, development, and deployment of modernized applications.
- Integrated Kafka-based event-driven processing to replace batch-driven workflows.
- Ensured high availability & scalability by deploying services on AWS EKS with auto-scaling and ALB.
- Designed and implemented a daily batch processing pipeline to convert DB2 and VSAM data from EBCDIC to ASCII, securely transfer it via SFTP to Amazon S3, and load it into AWS Oracle RDS for analytical processing.
- Conducted in-depth analysis of core mainframe modules, documenting business logic for seamless migration to Java-based microservices.
- Assessed and optimized Oracle DB configurations (tablespace, indexing, partitioning) to efficiently handle high data volume and ensure low-latency access.
- Executed batch job workloads on AWS, monitored performance metrics, and fine-tuned EC2 instance auto-scaling thresholds to optimize resource usage.
- Identified cost optimization opportunities by evaluating compute, storage, and data transfer costs, leading to significant performance improvements and cost reductions.
- Writing application program as per customer requirements, identifying and providing the fix for production bugs.
- Providing support from Offshore by solving priority tickets, handling Enhancements
Royal Bank of Scotland (RBS)
Software Designer
02.2018 - 06.2019
- Modernized Customer DB, a legacy system managing retail customer records.
- Developed multiple MQ-based integrations to communicate with third-party applications.
- Analyzed and optimized DB2 queries, reducing processing time by 30%.
- Supported deployments and production fixes, ensuring minimal downtime.
Sopra Steria
Senior Software Development Engineer
09.2013 - 02.2018
- Provided end-to-end support for Supply Chain Management applications on Mainframe.
- Built automated environment provisioning scripts to streamline deployments.
- Led defect analysis and resolution, ensuring compliance with SLAs.
- Knowledge sharing on resolution steps to team for critical defects.
- Create knowledge item for critical defects.
Education
B. Tech - Information Technology
Anand Institute Of Higher Technology
Chennai05.2012
Higher Secondary -
C Sri Kannika Parameswari Hr. Sec. School
Theni04.2008
SSLC -
C Sri Kannika Parameswari Hr. Sec. School
Theni04.2006
Skills
- Programming: COBOL, JCL, REXX, Easytrieve
- Transaction Processing: CICS, IMS DB
- Database Management: DB2 (z/OS), VSAM
- Tools & Utilities: Control-M, IBM ADDI, CA7, Abend-AID, Expeditor, File AID, InterTest, SMF etc
- Version Control: ENDEVOR
- Logs : ViewProd
- Operating Systems: z/OS, MVS
Technical Skills - Mainframe
- Cloud: AWS (EC2, EKS, S3, RDS, Lambda, API Gateway, VPC, IAM, CloudWatch, ELB, Route 53)
- Programming: Java, Spring Boot, Shell Scripting
- UI Technologies: Angular 8, TypeScript, HTML5, CSS
- CI/CD & DevOps: Jenkins, GitHub Actions, UDeploy, Terraform, SonarQube
- Messaging & Streaming: Kafka, MQ
- Database: Oracle SQL Developer
- Monitoring Tools: Datadog, Splunk
Technical Skills - Cloud & Distributed
Profile Snapshot
- 11+ years of IT experience in design, development, and support of Mainframe and Cloud-based applications for large enterprises.
- Mainframe Expertise (8-9 years): COBOL, JCL, CICS, DB2, VSAM, IMS DB, REXX, EASYTRIEVE.
- Cloud & Modernization (3+ years): Hands-on experience in Amazon Web Services (AWS) including EC2, EKS, VPC, S3, EBS, ELB, CloudFront, IAM, RDS, CloudWatch, AWS Lambda, and API Gateway.
- Mainframe Modernization: Led initiatives to modernize legacy mainframe applications by migrating workloads to AWS, leveraging API-based integration, and implementing DevOps best practices.
Accomplishments
- Recognized as the Impact Player of the Year for saving 4,000 Mainframe CPU hours through MIPS reduction.
- Awarded Star Performer for outstanding technical contributions to the project.
Personal Information
- Date of Birth: 06/28/91
- Gender: Male
- Marital Status: Married
Languages
- English
- Tamil
Disclaimer
I hereby declare that all the details and particulars furnished above are correct to my knowledge.
Timeline
Fidelity Business Services India Pvt Ltd
Lead Software Engineer
06.2019 - Current
Royal Bank of Scotland (RBS)
Software Designer
02.2018 - 06.2019
Sopra Steria
Senior Software Development Engineer
09.2013 - 02.2018
B. Tech - Information Technology
Anand Institute Of Higher Technology
Higher Secondary -
C Sri Kannika Parameswari Hr. Sec. School
SSLC -
C Sri Kannika Parameswari Hr. Sec. School
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