Jayathilak Bhaktan Sumaja
Carrollton,TX
Summary
Results-driven IT professional with 21 years of experience in software development and maintenance, including 18 years specializing in mainframe technologies. Proven expertise in COBOL, JCL, DB2, CICS, VSAM, and Teradata, with functional knowledge across Healthcare, Banking, and Financial Services domains. Adept at leading teams, modernizing legacy systems, and delivering solutions aligned with business goals. Skilled communicator with the ability to present complex technical concepts to diverse audiences. Experienced in both Waterfall and Agile methodologies across all phases of the SDLC.
Meticulous Technical Lead strictly adheres to both client-provided technical requirements and internal business goals. Balances project prioritization to fulfill both contractual obligations and internal revenue requirements. Provides foresight and management designed to grow satisfied customer bases and revenue figures.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Tech Lead / Manager – Projects
Cognizant Technology Solutions
10.2007 - Current
- Led a team of 10 developers to modernize legacy mainframe systems, reducing processing time by 30%.
- Spearheaded the design, development, and testing of new products for the Point of Sale (POS) system, providing subject matter expertise in Accumulators.
- Collaborated closely with clients to define requirements and deliver customized solutions.
- Mentored and coached junior developers on coding standards, system analysis, and best practices.
- Managed full project lifecycle activities using Agile methodologies.
Mainframe Developer
Crown Solutions P LTD
02.2006 - 10.2007
- Developed and maintained COBOL programs for large-scale financial applications.
- Conducted system analysis, prepared functional and technical designs, and implemented enhancements based on client requirements.
- Participated in system migrations, integration testing, and user acceptance support.
Education
Bachelor of Engineering - Computer Science & Engineering
MS University
Skills
- IBM Mainframes
- COBOL, JCL, CICS, VSAM, MQ, Python, REXX
- DB2, Teradata, MongoDB Compass, Oracle SQL Developer
- Tableau, CA7 Scheduler
- Agile Project Management
- Stakeholder Communication
- Software Development Lifecycle (SDLC) – Waterfall & Agile
- Python
- Machine Learning , Data Science using Python
- Generative AI
- Design development
- Quality assurance standards
- Technological advancement
Accomplishments
Deleivered Multiple Projects in Healthacre,Banking & financial Sevices domain with zero defects & customer satisfaction
Certification
- DB2 Programming – Brainbench (2013)
- Machine Learning Using Python
- Master’s Program in Artificial Intelligence Engineer
Technical Tools & Platforms
- Operating Systems: MVS/ESA, Windows
- Programming Languages: COBOL, JCL, CICS, VSAM, MQ, Python, REXX
- Databases & Tools: DB2, Teradata, MongoDB Compass, Oracle SQL Developer
- Data Visualization: Tableau
- Schedulers & Utilities: CA7, FILEAID, SPUFI, QMF, OMEGAMON, NDVR, ChangeMan, File Manager
Target Role
IT Manager / Senior Mainframe Architect / Senior Mainframe Developer
Languages
English
Full Professional
Tamil
Native or Bilingual
Malayalam
Elementary
Interests
- I like trying new recipes and food trends
Timeline
Tech Lead / Manager – Projects
Cognizant Technology Solutions
10.2007 - Current
Mainframe Developer
Crown Solutions P LTD
02.2006 - 10.2007
Bachelor of Engineering - Computer Science & Engineering
MS University
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