Prakash Vairavan
Senior Technical Lead | Scrum Master | Mainframe Modernization Specialist
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About
Hybrid Senior Technical Lead and Scrum Master with 16+ years of experience delivering mission-critical banking and enterprise systems on IBM z/OS. Combines deep hands-on expertise in COBOL, DB2, IMS, and batch systems with strong Agile leadership and Scrum facilitation. Proven ability to drive delivery excellence, improve team velocity, and lead cross-functional teams in high-pressure environments.
Experienced in stakeholder management, production stability, and legacy modernization, making a strong fit for Ireland's financial services and technology sectors.
Experience
Senior Technical Lead & Scrum Master - Accenture (Client: BNP Paribas Fortis) - Brussels, Belgium
(2020-05)
Acting Scrum Master since March 2025, leading Agile ceremonies and improving team delivery predictability. Key Achievement: Successfully combined Technical Lead and Scrum Master responsibilities, improving both delivery speed and system stability in a highly regulated banking environment.
- Increased team velocity and sprint predictability through structured planning and continuous improvement
- Removed delivery impediments and coached team on Scrum best practices
- Partnered with Product Owners on backlog prioritization and roadmap alignment
- Delivered 20+ annual enhancements across high-volume COBOL/DB2 systems
- Provided L3 production support, achieving high SLA compliance and 98% incident resolution
- Reduced incident backlog by 30% through proactive problem management
- Led CI/CD adoption using Jenkins and Endevor within mainframe environment
- Managed and mentored offshore teams, improving productivity and code quality
- Coordinated releases and stakeholder communications for critical banking systems
Mainframe Technical Lead & Senior Mainframe Developer - Accenture (Client: BNP Paribas Fortis) - Chennai, India
(2014-10 - 2020-05)
- Delivered scalable COBOL/DB2 solutions supporting European banking platforms
- Optimized batch processing, reducing failures and improving performance
- Led cross-location teams and ensured alignment with business priorities
- Supported UAT, releases, and production stability
Associate Software Developer - Cognizant Technology Solutions (Client: Aetna) - Chennai, India
(2009-08 - 2014-10)
- Developed and maintained healthcare mainframe applications
- Improved batch performance and scheduling reliability
- Contributed to legacy system analysis and documentation
Education
Master's Degree - Mathematics - Madras Christian College, Chennai, India (2008-04)
Bachelor's Degree - Mathematics - Madras Christian College, Chennai, India (2006-04)