Technical Expert at Tieto (TietoTechnical Expert)

Technical Expert in a strategic payment modernization program. Driving migration of domestic payments modules (Fund Check and Transaction Gate) from legacy mainframe to modern scalable architecture while ensuring business continuity and regulatory compliance. Owns solution architecture, data migration strategy, feature design, technical leadership, and performance optimization. Collaborates with business and engineering stakeholders to deliver high-performing payment capabilities and seamless transition to modern platforms. Also operates as Squad Solution Architect for Payment International (payment engine and bulker), bridging customers and engineering teams, aligning solutions to business objectives, and delivering business-critical production implementations. Works on ISO 20022 message upgrades across clearing systems, SWIFT GPI message flows, cash position reporting, and adoptions including P27, SEPA, and NBO implementations. Supports product configuration and production go-lives

Solution Architect and Senior Application Developer at Tata Consultancy Services (Client: DNB)

Solution architect and senior application developer for corporate payments and regulatory/industry initiatives. Worked across the SDLC including requirement gathering, analysis, design, estimation, unit testing, SIT/UAT, and deployment. Developed and maintained solutions for highly critical production scenarios and incidents when required. Scoped and supervised analysis of new enhancements/requirements. Delivered from scratch through deployment for multiple banking initiatives including eFraud, PSD2, IntraGroup Payments for corporate customers, and GDPR-related work, plus decommissioning efforts (Merva, SGN, AU).

Senior Application Developer at Tata Consultancy Services (Client: CITI Bank, Singapore)

Built and delivered a Wealth Management insurance portal for Asia Pacific covering 8 countries. Implemented web services using Java and Spring with mainframe as backend. Participated in agile deliveries across design, build, test, and deployment of the solutions. Worked on integration and service development supporting portal capabilities across multiple markets.

System Developer at Tata Consultancy Services (Client: Canadian repository for securities)

Worked on FX Initiative (Foreign Exchange Solution) as an application developer. Supported new development and maintenance of system modules implemented using Java and mainframe technologies. Delivered components as part of ongoing development and support responsibilities; worked within waterfall delivery contexts for the assignment.