• Worked in Product: OCS(Online Charging System), which is a integral part ofNCC(Nokia Converged Charging).• Enhanced system performance by optimizing code for System properties,resulting in reduction of cache usage and increase in application speed andresponsiveness by about 10%.• Implemented and managed versioning strategies for the Notification ServerAPIs achieving a 95% backward compatibility rate and smooth transitions forclients.• Dynamically enhanced the Notification Server APIs by adding new attributesresulting in a 30% improvement in adaptability to evolving requirementswithout disrupting existing functionality.• Developed robust error-handling mechanisms within callback handlers,reducing error response time by 25% and gracefully managing exceptions andproviding meaningful error responses to clients.• Implemented a custom Sonarqube plugin tailored to Nokia’s coding standards,improving code quality and readability and reducing the technical debt by 5%.• Automated over 15 Nokia specific Sonarqube rules.• Collaborated with global teams to define system requirements, resulting in a15% acceleration in project timelines and drive seamless integration.

• Experience with Charging, Policy, 3GPP, Diameter (4G) and NCHF (5G) callhandling, involving diverse call flows in telecommunications.• Contributed to DevOps initiatives by spearheading the implementation ofCo-pilot in NCC as part of the team.• Led the integration of Sonarqube Server and conducted in-depth research todevelop a custom plugin tailored specifically for Nokia’s requirements.