Jun 2023 – Jun 2024 · 1 yr · United States · On-site

• Participated in database migration activities across MySQL, MS SQL Server, and Oracle environments to support enterprise system upgrades and infrastructure changes.
• Installed, configured, and maintained database servers, ensuring optimal performance, stability, and high availability.
• Implemented database security policies and access control mechanisms to protect sensitive enterprise data.
• Developed and maintained business logic using VB.NET for enterprise applications supporting multiple internal business operations.
• Maintained and enhanced Windows Applications and Windows Services, ensuring continuous system functionality and reliability.
• Created real-time monitoring dashboards (Grafana) for pipeline health and system performance.
• Developed Web APIs using ASP.NET MVC framework and VB.NET to enable integration with other enterprise systems.
• Implemented schema mapping automation to standardize data across heterogeneous sources.
• Designed enterprise data ingestion pipelines from ERP, CRM, and finance systems into centralized data platform.
• Developed data quality monitoring system with anomaly detection for missing, duplicate, or inconsistent data.
• Built data lineage tracking system to trace data flow from ingestion to reporting layers.
• Performed database administration tasks, including user access management, schema updates, and database performance tuning.
• Enforced data privacy policies (masking, encryption, access control) across enterprise datasets.
• Managed application access and database permissions using enterprise security frameworks including PAM (Privileged Access Management).
• Performed daily batch monitoring and job scheduling, ensuring successful execution of automated system processes.
• Diagnosed and resolved database performance issues, query bottlenecks, and system errors to maintain application availability.

May 2021 – Jun 2023 · 2 yrs 1 mo · WP. Kuala Lumpur · On-site

• Participated in cloud migration initiatives, assisting in migrating legacy applications and storage systems to Azure cloud infrastructure.
• Configured and mapped Azure File Share (AFS) paths to enable secure file storage and data sharing across multiple application environments.
• Developed and enhanced enterprise BackOffice applications using C#, ASP.NET MVC, and .NET Framework to support insurance operations and internal workflows.
• Designed and implemented RESTful Web APIs using ASP.NET MVC 4.5 and C# to support integration between internal systems, mobile applications, and web applications.
• Worked with React 16.8 front-end applications to support modern web interfaces used in BackOffice portals and customer-facing systems.
• Supported mobile and web applications by integrating backend APIs and ensuring seamless data communication with the front-end applications.
• Built customer 360 platform combining policy, claims, and interaction data for personalized insurance recommendations.
• Developed churn prediction and LTV models to identify high-risk customers and optimize retention campaigns.
• Developed responsive and scalable web applications using React 16.8 (Hooks, Functional Components), delivering seamless user experiences across enterprise web and mobile platforms.
• Built reusable UI components using React Hooks (useState, useEffect, useContext), improving maintainability and reducing code redundancy.
• Implemented event-driven architecture (Kafka) to capture user actions (policy updates, claims, payments) in real-time.
• Implemented efficient state and lifecycle management using React Hooks, replacing legacy class components and improving performance.
• Created AI-driven recommendation engine for cross-selling insurance products based on customer behaviour.
• Integrated React 16.8 frontend with .NET Core RESTful APIs, enabling real-time data rendering and seamless user interactions.

Apr 2020 – Apr 2021 · 1 yr · WP. Kuala Lumpur · On-site

• Developed and maintained manufacturing support applications using C#.NET and Java technologies to assist semiconductor production operations.
• Built backend communication services using WCF to enable data exchange between production machines and centralized monitoring systems.
• Worked with SQL Server and Oracle databases to store and manage manufacturing data, machine logs, and operational metrics.
• Performed data engineering tasks using SQLite and Python to process and manage semi-structured and unstructured manufacturing data before loading it into Oracle SQL Developer databases.
• Developed Python scripts to analyze wafer processing and beam line production data to track wafer printing counts and validate production outputs.
• Automated data extraction and transformation workflows to move production data from machine logs into centralized databases for reporting and analysis.
• Created Excel Macros and automation utilities for production reporting, data validation, and operational monitoring.
• Developed predictive maintenance models to detect equipment failures and reduce downtime.
• Built anomaly detection algorithms to identify defects in wafer production processes.
• Designed data pipelines for machine logs and sensor data ingestion and processing.
• Automated data transformation workflows using Python and SQLite for semi-structured data.
• Created real-time monitoring dashboards to track production performance and system health.
• Built data pipelines to ingest machine logs and sensor data into centralized systems for analysis.
• Optimized manufacturing processes and software workflows to improve production efficiency and reduce manual intervention.
• Created real-time dashboards for monitoring wafer production metrics and system performance.
• Implemented anomaly detection algorithms to identify production defects and irregular patterns.

Sep 2019 – Apr 2020 · 7 mos · WP. Kuala Lumpur · On-site

• Developed a Windows-based KIOSK application using C#, WPF, and .NET Framework to support automated self-service transactions.
• Implemented hardware device integrations including card payment terminals, barcode scanners, and thermal printers to enable smooth KIOSK operations.
• Built backend communication services using WCF (Windows Communication Foundation) for interaction between KIOSK applications and centralized servers.
• Implemented Payment Gateway integrations (GHL and CARDBIZ APIs) to process secure card transactions and validate payment responses.
• Integrated CRM APIs to synchronize customer data, transaction records, and service information between the KIOSK system and CRM platform.
• Gathered and analyzed Software Requirement Specifications (SRS) from stakeholders to understand system functionality, hardware specifications, and business requirements.
• esigned and optimized SQL Server database structures, stored procedures, and queries to manage transaction and device data.
• Developed modules to read card terminal payments and validate transaction responses from external payment systems.
• Implemented data synchronization using KMS server to share data across multiple KIOSK machines located in different outlets.
• Developed content management features to display banners, advertisements, promotional videos, and slide shows on KIOSK screens.
• Implemented logging, exception handling, and monitoring mechanisms to improve system reliability and troubleshoot device communication issues.
• Collaborated with hardware engineers and system integration teams to ensure seamless communication between software applications and KIOSK devices.
• Participated in application development, testing, debugging, and deployment within strict project deadlines.
• Provided production support and system enhancements to improve performance and stability of deployed KIOSK systems.

Dec 2016 – Aug 2019 · 2 yrs 8 mos · WP. Kuala Lumpur · On-site

• Developed and maintained the Hospital Management System (HCMS) using C#.NET, ASP.NET MVC, Angular 4,
• and SQL Server to manage patient records, appointments, and hospital inventory.
• Integrated CRM APIs to synchronize patient information, customer interactions, and service records between the Hospital Management System and external CRM platforms.
• Designed and implemented RESTful API integrations for seamless communication between internal hospital modules and third-party CRM systems.
• Implemented secure API authentication mechanisms for CRM services to ensure safe exchange of sensitive healthcare data.
• Built Angular-based UI components for patient management, appointment scheduling, and billing modules.
• Developed backend services in ASP.NET MVC to process patient registration, treatment records, and billing workflows.
• Created and optimized SQL Server stored procedures, views, and triggers to efficiently handle patient and inventory data.
• Implemented role-based access control for doctors, nurses, and administrative staff to ensure secure data access.
• Worked closely with CRM and accounting system integrations to maintain accurate patient billing and service history.
• Developed inventory tracking modules to monitor medical supplies, pharmaceuticals, and equipment availability.
• Implemented data validation and exception handling to maintain application stability and prevent incorrect medical records.
• Participated in requirement analysis, system design, development, testing, and deployment phases of the project lifecycle.
• Troubleshot and resolved API integration issues with CRM systems, ensuring reliable communication between systems.
• Provided production support and system enhancements to improve system functionality and hospital operational efficiency.
• Collaborated with business analysts and healthcare stakeholders to gather requirements and improve hospital workflows.

Jun 2014 – Oct 2016 · 2 yrs 4 mos · Hyderabad · On-site

• Analyzed and developed both Business Requirement Specifications and System Requirement Specifications.
• Designed and developed front end for this web-based application with help of HTML.
• Responsible for setting up AngularJS for UI development. Developed html views with HTML5, CSS3, JSON and AngularJS, CSS, and Java Script.
• Expertise in ADO.NET components such as Datasets, Data Adapter, Data Reader, Data View, Data Table and expertise in Web Forms.
• Developed and designed MSSQL database for this web application
• Created stored procedures for fast retrieval of data.
• Business logic was implemented with the help of C# and .net frameworks.
• Backend database connections were implemented with the help of LINQ.
• User Interface modules of this website were tested with the help of Selenium Web driver.
• User Interface modules were tested with the help of XPATH.
• Developed Data Model Classes with Entity Framework and business rules that are implemented within model layer using C#.
• Extensive understanding of creating and managing View Models, Views and Partial Views using ASP.NET MVC.