Chennai, Tamil Nadu, India
Results-driven Java professional with 15 years of experience in the Banking (Auto Finance) domain, specializing in enterprise Java development, large-scale data migration, system integration, and infrastructure modernization. Strong hands-on experience in designing, developing, and supporting robust, scalable Java-based applications in complex enterprise environments. Most recently worked as a Solution Designer for large-scale ETL data migration projects, focusing on data flow design, transformation logic, reconciliation, and quality controls, while working closely with engineering and business teams. Recognized as a Technical Lead with strengths in core Java, backend architecture, SQL, system analysis, documentation, stakeholder management, and team leadership. Known for balancing clean code, performance, and maintainability while delivering high-quality outcomes. Currently seeking opportunities in Java Development, Backend Engineering, and Data Engineering, with growing interest in applying Java alongside modern data and AI-driven systems. Portfolio: smvishnu.github.io/analyst-site Email: [email protected] Phone: +91 93843 62651 Availability: Immediate Skills: Java | Core Java | Backend Development | Enterprise Applications | System Integration | Data Migration | SQL | Data Engineering | Python (Pandas, NumPy) | Generative AI | Tableau | Excel
Upskilled in Data Analytics
Projects: Large-scale divestment data migration • Designed and led two large-scale divestment data migration projects. • Managed procurement, configuration, and governance of ETL platforms across Test, Production, and Disaster Recovery environments. • Implemented privileged access controls using CyberArk and configured Active Directory LDAP for user access. • Automated code deployments, data transfers (PowerShell), and large-scale document extraction (Java). • Oversaw change management (ServiceNow), including change requests, coordination, and implementation. • Led incident management during Dress Rehearsals and Production changes. • Engaged in stakeholder management, collaborating with internal teams and external vendors. • Authored key documentation: Solution Design, Technical Design, Non-Functional Requirements, and Operational Handover. • Tools Used: Confluence, MS Word, ServiceNow, CyberArk, PowerShell, Java.
Project: B2B Application Migration – Public Cloud to Private Hybrid Infrastructure • Led the migration of a critical B2B application from Public Cloud to Private Hybrid Infrastructure, earning the ‘Super Tech’ award. • Implemented SSL encryption for securing application integration points. • Configured LDAP integration, defining roles, permissions, and managing user/service account access. • Managed secure integration with External and Internal API Gateways. • Coordinated with project and network teams to configure F5 LTM and GTM layers. • Diagnosed and resolved network, database, LDAP, and API Gateway issues throughout the project lifecycle. • Developed Post-Implementation Verification (PIV) test cases and conducted load balancing & automatic failover testing. • Set up SFTP servers (Reflection) for secure file transfers and SMTP servers for email notifications. • Configured and scheduled daily/monthly batch jobs. • Led the post-production handover to the Operations team.
Project: WebSphere & Citrix Infrastructure Upgrade • Led the infrastructure stack upgrade from Citrix 4.5 – Windows 2003 (physical) – Java application to Citrix 7.6 – Windows 2012 (virtual). • Upgraded Windows 2003 (physical) – WebSphere 6.0 – Java 1.6 to Linux 8.5 (virtual) – WebSphere 8.5 – Java 1.8. • Managed the end-to-end setup of St. George Bank’s Auto Finance application on the new Citrix infrastructure. • Automated document migration from Novell FS to NetApp FS using ROBOCOPY scripting. • Defined NetScaler proxy requirements in coordination with the Network team. • Automated code deployments on new Citrix servers using NETUSE and ROBOCOPY. • Established Citrix Storefront application setup and Active Directory group access provisioning. • Led SIT and Performance Volume Testing. • Conducted SCRUM stand-ups using JIRA Kanban board. • Managed version control of deployment scripts and application artifacts in SVN. • Assisted in setting up and testing NetIQ Access Manager (NAM) proxy servers. • Contributed to the Disaster Recovery (DR) environment setup and testing. • Led vendor coordination and stakeholder management for project execution. • Authored Technical Design and Support Handover documentation.
Project(s): Auto Finance Application Modernisation • Performed as an Environment Manager for a crucial B2B Auto Finance application revamp • Received client appreciations for high value adding System Manual Technical Documents (SMTD) delivery, which facilitated the smooth knowledge transition to BAU team • Configured and managed multiple environments, which involved Websphere server configuration, OpenDJ LDAP integration and database integration • Automated application deployments on WebSphere servers using Linux bash and Jython scripting • Developed/enhanced SOAP webservices, UI and database enhancements for two major releases of an Auto Finance B2B application • Setup and execution of Jenkins Continuous Integration/Deployments • Setup/patch SSL certificates for Websphere Application Servers and Tomcat webservers • Responsible for defect fixes requests during warranty and support • Coordinated between environment, development and testing team
Project(s): Disruption Management System - Analyzed requirements, designed system architecture, and set up project environments. - Created design diagrams for Java modules, including class diagrams, sequence diagrams, use cases, and User Case Realizations (UCRs). - Developed web components using Struts and implemented business services with Spring. - Configured LDAP authentication server using WebLogic’s built-in tools. - Designed and developed web services, including WSDLs, XSD definitions, and Spring-based business logic. Managed key stakeholder communications, ensuring alignment and project success