RANJITHKUMAR CHELLADURAI

● Source Data Capture Design: Designed a system to capture requests/responses of multiple services which utilized event hub for data ingestion, azure blob storage for persistence and table storage for indexing, enhancing diagnostics accuracy and system robustness by 50%.

● Virtual Credit Card Integration: Architected a system to incorporate any virtual credit card provider into an existing flight booking system for supplier payment with UI to control settings, achieving business transaction efficiency by 80%.

● Layered Architecture Design: Migrated the complex admin portal backend to a layered architecture which utilized domain model for business logic and repository pattern for persistence, improving code quality and maintainability by 40%.

● Front-End Architecture: Pioneered the design of React based single page application to adopt various features and functions, established a reusable component library, optimized the codebase using advanced react patterns, improving maintainability by 50%.

● Code Refactoring: Utilized various design patterns like factory, chain of responsibilities, and template method to refactor the existing code to meet coding standards, increasing maintainability by 50%.

● Code Quality Improvements: Took initiative to integrate eslint and prettier with various plugins covering various standards to ensure code quality and formatting, and successfully migrated the existing code to meet the new standards, improving code quality by 50%

● Platform Updates: Updated platforms and frameworks to latest versions, migrated app secrets to CSI driver based azure key vault in azure Kubernetes environment which improved security and performance by 30%, fused the latest theme provider in ant design, improving UI consistency by 30%.

● Development Efficiency: Took initiative to implement hot module replacement and decoupled front-end from backend, improving development efficiency by 30%.

● Collaboration and Leadership: Mentored junior developers, providing guidance on best practices, code reviews, and technical design.

● Architecting and Scaling Systems:Architected scalable appointment reminder system which will send SMS notifications for more than hundred hospitals by leveraging event driven architecture and integrating third-party messaging service which improved efficiency by 80%.

● Microservices and Sagas: Crafted multiple REST based microservices and implemented distributed transactions using saga orchestration which boosted transaction efficiency by 30%.

● Leadership and Collaboration: Led teams to implement features like scheduler notes and dynamic forms, boosting team productivity and reducing project delivery time by 25%.

● Custom Visualizations and Certifications: Produced 30 custom Power BI visuals, achieved Microsoft certification, increasing client satisfaction and reporting accuracy by 20%.

● Enhancing User Experience: Created a dynamic appointment scheduler, potentially increasing appointment bookings by 30% and reducing scheduling conflicts by 50%, leading to boosted customer satisfaction and operational efficiency.

● Project Management and Collaboration: Improved project communication and efficiency through onsite collaboration and Scrum adoption, potentially reducing development cycle time by 20% and decreasing project uncertainties by 40%.

● Dynamic UI and Data Management Enhancement: Developed intelligent form and versatile calendar, improving data accuracy by 40% and user efficiency by 30% and implemented material design data table, enhancing data exploration speed by 50% and overall user satisfaction by 25%.

● Dashboard Creation and Collaboration:Designed a unified, feature-rich dashboard that refined data accessibility for four projects and collaborated with the API team, enhancing efficiency by reducing development time by 30%.

● Project Leadership and Delivery: Coordinated with the onsite team to deliver ElementData project on time, earning recognition from 10+ stakeholders for effective management and integrated the workflow visualization, enhancing user experience by improving clarity of relationships among objects.

● Innovation and Technology Integration:Spearheaded projects like a voice-enabled web app and sophisticated data tables, enhancing user experience and reducing onboarding time by 30%.

● Enhancing System Reliability: Achieved 100% code coverage on 20+ features, significantly improving code quality.

● Project Management System: Engineered modules like User Management and Purchase Order, reducing project delivery time, improving user onboarding and increasing system adoption by 30%.

● Workflow Management: Built an interactive workflow designer, editing controls, and streamlined approval processes, reducing approval time and boosting user satisfaction and enhancing workflow efficiency by 25%.

● Chat Application: Delivered private/group chat, online presence modes, chat history, and notifications, increasing user engagement, reducing communication delays and improving user satisfaction by 30%.

● Groups Management: Formulated Google-like group management with drag-and-drop functionality, lazy loading, and paging for users and groups and enhanced group management efficiency, reduced loading times and increased user management productivity by 30%.

● jQuery Plugin/Widget Development: Authored jQuery plugins and UI widgets, improving UI component reusability and reducing development time by 30%.

● Astrology Prediction Web App: Built UI, consumed web services, and enabled Facebook sharing via OAuth, increasing user engagement, social media shares and enhancing overall user experience by 35%.

● Open ID/OAuth Integrations (AstroVed.com): Simplified sign-up with Google, Yahoo, Facebook, and Twitter integrations at AstroVed.com, boosting user sign-ups by 50% in two months.

● Instant Insight App: Created private chat app for users and astrologers, deployed with Facebook and iGoogle, increasing user engagement, communication efficiency and user satisfaction by 25%.

Live Stream and Advertisement Integration: Devised an advertisement rotator for live streaming video, and included news ticker and social media sharing plugins, resulting in a 50% increase in live stream views, 40% higher ad click-through rates, and 35% more social media interactions.